Lehrstuhl für Hochfrequenztechnik

Prof. Dr.-Ing. Michael Höft

Lehrstuhlinhaber

Kaiserstraße 2, 24143 Kiel ,R.D-009A
Telefon: +49 431 880-6150
Telefax: +49 431 880-6152
michael.hoeft@tf.uni-kiel.de

Profil von Prof. Dr.-Ing. Michael Höft

 

Werdegang

 

  • geb. 1972 in Lübeck
  • 1992-1997 TU Hamburg-Harburg: 
                   Studium Elektrotechnik (Mikroelektronik)
  • 1997-2002 TU Hamburg-Harburg, Institut für Hochfrequenztechnik
                   Wissenschaftlicher Mitarbeiter
                   - Submillimeterwellen-Schaltungstechnologien
  • 2002-2013 Panasonic in Lüneburg:
                   Gruppenleiter – F&E „Sensor & Network Devices”
                   - HF-Komponenten und Technologien für Mobilfunk
                   - Drahtlose Energieübertragung
                   - HF-Sensoren
  • 2013-heute: Professor für Hochfrequenztechnik an der Technischen Fakultät der CAU Kiel

 

Research Topics (Presentation in English)

 

Veröffentlichungen

  • [1] M. Höft, B. Schumann, R. Judaschke, M. Shahabadi: A 65 GHz Holographic Power Combiner, Proc. IEEE MTT-Symp., Anaheim, CA, USA, 13.-19. June 1999, pp. 1833-1836
  • [2] M. Höft, H.-G. Unger: Principles of Holographic Multi-Element Coupling at Infrared and Millimeter-Wave Frequencies, Proc. 25th Int. Conf. on Infrared and Millimeter Waves, Peking, China, 12.-15. Sept. 2000, pp. 345-346
  • [3] M. Höft, R. Judaschke: Analysis and Measurement of a Millimeter-Wave Holographic Power Combiner for 5 IMPATT Oscillators, Proc. 8th Int. Conf. on THz Electr., Darmstadt, Germany, 28.-29. Sept. 2000, pp. 145-147
  • [4] M. Höft, J. Weinzierl, R. Judaschke: Broadband Analysis of a D-Band Holographic Power Combining Circuit, Proc. IEEE MTT-Symp., Phoenix, AZ, USA, 20.-25. May 2001, pp. 1407-1410 
  • [5] B. Schumann, M. Höft, R. Judaschke: A Multi-Element 150/300 GHz Spatial Power Dividing / Combining Frequency Doubler, Proc. IEEE MTT-Symp., Seattle, WA, USA, 2.-7. June 2002, pp. 1539-1542
  • [6] M. Höft, J. Weinzierl, R. Judaschke: Broadband Analysis of Holographic Power Combining Circuits, Int. J. of Infrared and Millimeter Waves, Bd. 23 (2002) No. 7, pp. 1127-1146
  • [7] M. Höft, R. Judaschke: Analysis of a 150 GHz Spatial Power Divider / Combiner, Proc. 27th Int. Conf. on Infrared and Millimeter Waves, San Diego, CA, USA, 22.-26. Sept. 2002, pp. 117-118
  • [8] B. Schumann, M. Höft, M. Saglam, H.L. Hartnagel, R. Judaschke: A 5 Element 450 GHz HBV Frequency Tripler, Proc. IEEE MTT-Symp. Philadelphia, PA, USA, 8.-13. June 2003, pp. 759-762
  • [9] T. Magath, M. Höft, R. Judaschke: A Two-Dimensional Quasi-Optical Power Combining Oscillator Array with External Injection Locking, IEEE Trans. Microwave Theory Tech., Vol. 52 (2004) No. 2, pp. 567-572
  • [10] M. Höft: Spatial Power Divider/Combiner in D-Band, IEEE Trans. Microwave Theory Tech., Vol. 52 (2004) No. 10, pp. 2379-2384
  • [11] M. Höft, S. Burger: Q-factor Improvement of Combline Resonators, German Microwave Conference, Ulm, Germany, 5-7. April 2005, pp. 53-56
  • [12] R. Judaschke, M. Höft, K. Schünemann: Quasi-Optical 150GHz Power Combining Oscillator, IEEE Microwave and Wireless Comp. Letters, Vol. 15 (2005) No. 5, pp. 300-302
  • [13] J. Müller, M. Höft: Temperature Compensation of Resonators Using Different Materials and Suitable Dimensions, Proc. European Microwave Conf., Paris, France, 3.-7. Oct. 2005
  • [14] M. Höft, T. Magath, O. Bartz, S. Burger: Corner Rounding for increased Quality Factor of Cavity Resonators, Proc. Asia-Pacific Microwave Conf., Suzhou, China, 4.-7. Dec. 2005
  • [15] M. Höft, T. Magath: Compact Base-Station Filters Using TM-Mode Dielectric Resonators, German Microwave Conference, Karlsruhe, Germany, 28-30. March 2006
  • [16] M. Höft: Bottom Coupling of Combline Resonators for hybrid Dielectric / Air-Cavity Bandpass Filters, Proc. European Microwave Conf., Manchester, UK, 10.-15. Sept. 2006
  • [17] M. Höft, S. Burger, T. Magath, O. Bartz: Compact Combline Filter with Improved Cross Coupling Assembly and Temperature Compensation Proc. Asia-Pacific Microwave Conf., Pacifico Yokohama, Japan, 12.-15. Dec. 2006
  • [18] M. Tamura, T. Ishizaki, M. Höft, H. Tamai: Novel Vertical Split Ring Resonator Fabricated in LTCC Korea-Japan Microwave Conference, Naha, Okinawa, Japan, 15.-16. Nov. 2007
  • [19] M. Höft, A. Kronberger, O. Bartz: Tunable Bandpass Filters for Multi-Standard Applications, German Microwave Conference, Hamburg, Germany, 10-12. March 2008
  • [20] M. Höft, M. Tamura, T. Ishizaki: Self-Compensation of Alignment Tolerances for Series Capacitors in LTCC Filters with Stepped Impedance Resonators, German Microwave Conference, Hamburg, Germany, 10-12. March 2008
  • [21] M. Höft: New Concepts for Dielectric Multi-Mode Resonators with Branches, Proc. IEEE MTT-Symp. Atlanta, GA, USA, 15.-20. June 2008
  • [22] M. Höft, M. Tamura, T. Ishizaki: Self-Compensation of Alignment Tolerances for Couplings in LTCC Filters, Frequenz – Journal of RF-Engineering and Telecommunication, Vol. 62 (2008) No. 9-10, pp. 216-221
  • [23] M. Höft: Y-Shape Dielectric Dual-Mode Resonator, IEEE Trans. Microwave Theory Tech., Vol. 56.2 (2008) No. 12, pp. 3066-3071
  • [24] M. Höft: Tunable Capacitive Coupling for Cavity Resonator Filters, German Microwave Conference, Munich, Germany, 16-18. March 2009
  • [25] M. Höft: Hybrid TE/TM-Multi-Mode Resonators, German Microwave Conference, Munich, Germany, 16-18. March 2009
  • [26] M. Höft: Bandpass Filter using TM-Mode Dielectric Rod Resonators with Novel Input Coupling, Proc. IEEE MTT-Symp. Boston, MA, USA, 7.-12. June 2009
  • [27] M. Höft, T. Shimamura: Design of Symmetric Trisection Filters for Compact Low-Temperature Cofired Ceramic Realization IEEE Trans. Microwave Theory Tech., Vol. 58 (2010) No. 1, pp. 165-175
  • [28] M. Tamura, T. Ishizaki, M. Höft: Design and Analysis of Vertical Split Ring Resonator and its Application to Unbalanced-balanced Filter IEEE Trans. Microwave Theory Tech., Vol. 58 (2010) No. 1, pp. 157-164
  • [29] M. Höft: Hybrid TE/TM-Multi-Mode Resonators, German Microwave Conference, Berlin, Germany, 15-17. March 2010
  • [30] M. Höft, F. Yousif: Orthogonal Coaxial Cavity Filters With Distributed Cross-Coupling IEEE Microwave and Wireless Comp. Letters, Vol. 21 (2011) No. 10, pp. 519-521
  • [31] M. Kheir, M. Höft, R. Knöchel, A new simple UWB ring filter with flexible band-notch characteristics, IEEE International Conference on Ultra-Wideband, 462 - 466 (2014)
  • [32] S. Burger, M. Höft, Improved Filter Tuning in the Time Domain, 1st Australian Microwave Symposium, (2014)
  • [33] J. Reermann, G. Schmidt, I. Teliban, S. Salzer, M. Höft, A. Piorra, E. Quandt, Adaptive Acoustic Noise Cancellation for Magnetoelectric Sensors, IEEE Sensors Jounal, 15, 5804 - 5812 (2015)
  • [34] S. Salzer, M. Höft, R. Knöchel, P. Hayes, E. Yarar, A. Piorra, E. Quandt, Comparison of Frequency Conversion Techniques for Magnetoelectric Sensors, Prodedia Engineering, 120, 940 - 943 (2015)
  • [35]    F. Daschner, D. Christofzik, C. Dörfer, M. Höft: Suitability of Electrical Impedance Tomography for the Detection of Dental Pulp Inflammations, Proceedings of the 11th International Conference on Electromagnetic Wave Interaction with Water and Moist Substances, Florence, 2016

  • [36]    M. Schimmack, W. Taute, M. Höft: Modelling, Simulation and Experimental Analysis of a Metal-Polymer Hybrid Fibre Based Microstrip Resonator for High Frequency Characterisation, Procedia Engineering, 168, pp. 975-978, 2016

  • [37]    E. Yarar, S. Salzer, V. Hrkac, A. Piorra, M. Höft, R. Knöchel, L. Kienle, E. Quandt: Inverse bilayer magnetoelectric thin film sensor, Applied Physics Letters 109 (2), 022901, 2016

  • [38]    P. Hayes, S. Salzer, J. Reermann, E. Yarar, V. Röbisch, A. Piorra, D. Meyners, M. Höft, R. Knöchel, G. Schmidt, E. Quandt: Electrically modulated magnetoelectric sensors, Applied Physics Letters 108 (18), 182902, 2016

  • [39]    J. Reermann, C. Bald, S. Salzer, P. Durdaut, A. Piorra, D. Meyners, M. Höft, G. Schmidt, E. Quandt: Comparison of reference sensors for noise cancellation of magnetoelectric sensors, 2016 IEEE Sensors Conference, Orlando, 2016

  • [40]    S. Salzer, R. Jahns, A. Piorra, I. Teliban, J. Reermann, M. Höft, E. Quandt, R. Knöchel: Tuning Fork for Noise Suppression in Magnetoelectric Sensors 
    Sensors & Actuators: A. Physical, 237, pp. 91–95, 2016

  • [41]    S. Salzer, P. Durdaut, V. Röbisch, D. Meyners, E. Quandt, M. Höft, R. Knöchel: Generalised Magnetic Frequency Conversion for Thin Film Laminate Magnetoelectric Sensors, IEEE Sensors Journal, Vol. 17, Issue 5, 2016

  • [42]    P. Rezaee and M. Höft: A new compact microstrip slow wave open loop resonator filter with improved spurious-free band, Proc. German Microwave Conference, Bochum, pp. 217-220, 2016

  • [43]    P. Rezaee and M. Höft: A new class of compact dual-mode dielectric resonator filters, IEEE International Microwave Symposium (IMS), San Francisco, CA, USA, 2016

  • [44]    A. Reinhardt, A. Teplyuk, M. Höft: Measurement Setup for Characterization of a Bistatic Radar Sensor for Monitoring Particulate Matter, European Microwave Week, EuRAD, London, UK, 2016

  • [45]    J. Peters, W. Taute, K. Bartscher, C. Döscher, M. Höft, R. Knöchel, J. Breitkreutz: Design, development and method validation of a novel multiresonance microwave sensor for moisture measurement, Analytica Chimica Acta, vol. 961, pp. 119-127, 2017

  • [46]    J. Peters, K. Bartscher, C. Döscher, W. Taute, M. Höft, R. Knöchel, J. Breitkreutz: In-line moisture monitoring in fluidized bed granulation using a novel multi-resonance microwave sensor, Talanta, vol. 170, pp. 369-376, 2017

  • [47]    A. Reinhardt, H. Brüns, A. Teplyuk, M. Höft, L. Klinkenbusch: Noninvasive Characterization of Solid Particle Streams Enclosed in a Dielectric Pipeline by a Bistatic Doppler Radar, IEEE Transactions on Microwave Theory and Techniques, vol. 65, issue 12, pp. 5244-5250, 2017

  • [48]    A. Reinhardt, H. Brüns, A. Teplyuk, M. Höft, L. Klinkenbusch: Obstacle-free particle measurement with a bistatic CW-radar, Proc. IEEE Microwave Week, International Microwave Symposium 2017, pp. 56-59, 2017

  • [49]    P. Durdaut, V. Penner, C. Kirchhof, E. Quandt, R. Knöchel, M. Höft: Noise of a JFET Charge Amplifier for Piezoelectric Sensors, IEEE Sensors Journal, Vol. 17, No. 22, pp. 7364-7371, 2017

  • [50]    P. Durdaut, J. Reermann, S. Zabel, C. Kirchhof, E. Quandt, F. Faupel, G. Schmidt, R. Knöchel, M. Höft: Modeling and Analysis of Noise Sources for Thin-Film Magnetoelectric Sensors Based on the Delta-E Effect, IEEE Transactions on Instrumentation and Measurement, Vol. 66, No. 10, pp. 2771-2779, 2017

  • [51]    P. Durdaut, S. Salzer, J. Reermann, V. Röbisch, J. McCord, D. Meyners, E. Quandt, G. Schmidt, R. Knöchel, M. Höft: Improved Magnetic Frequency Conversion Approach for Magnetoelectric Sensors, IEEE Sensors Letters, Vol. 1, No. 3, pp. 1-4, 2017

  • [52]    P. Durdaut, S. Salzer, J. Reermann, V. Röbisch, P. Hayes, A. Piorra, D. Meyners, E. Quandt, G. Schmidt, R. Knöchel, M. Höft: Thermal-Mechanical Noise in Resonant Thin-Film Magnetoelectric Sensors, IEEE Sensors Journal, Vol. 17, No. 8, pp. 2338-2348, 2017

  • [53]    S. Salzer, P. Durdaut, V. Röbisch, D. Meyners, E. Quandt, M. Höft, R. Knöchel: Generalized Magnetic Frequency Conversion for Thin Film Laminate Magnetoelectric Sensors, IEEE Sensors Journal, Vol. 17, No. 5, pp. 1373-1383, 2017

  • [54]    S. Salzer, V. Röbisch, M. Klug, P. Durdaut, J. McCord, D. Meyners, J. Reermann, M. Höft, R. Knöchel: Noise Limits in Thin-Film Magnetoelectric Sensors with Magnetic Frequency Conversion, IEEE Sensors Journal, vol. 18, no. 2, pp. 596-604, http://dx.doi.org/10.1109/ JSEN.2017.2776039 , 2017

  • [55]    J. Reermann, P. Durdaut, S. Salzer, T. Demming, A. Piorra, E. Quandt, N. Frey, M. Höft, G. Schmidt: Evaluation of Magnetoelectric Sensor Systems for Cardiological Applications, Measurement (Elsevier), ISSN 0263-2241, https://doi.org/10.1016/j.measurement.2017.09.047, 2017 

  • [56]    M. Kheir, T. Kröger, M. Höft: A New Class of Highly-Miniaturized Reconfigurable UWB Filters for Multi-Band Multi-Standard Transceiver Architectures, IEEE Access, vol. 5, pp. 1714-1723, 2017

  • [57]    P. Rezaee, M. Höft: Pseudo-elliptic inline DR filters using nonresonating modes, Proc. 47th European Microwave Conference 2017, Nuremberg, Germany, pp.  11-914, 2017

  • [58]    J. Reermann, C. Bald, P. Durdaut, A.Piorra, D. Meyners, E. Quandt, M. Höft, G. Schmidt: Adaptive mehrkanalige Geräuschkompensation für magnetoelektrische Sensoren, Proc. DAGA, Kiel, Germany, 2017

  • [59]    J. Reermann, P. Durdaut, S. Salzer, T. Demming, A. Piorra, E. Quandt, N. Frey, M. Höft, G. Schmidt: Evaluation of Magnetoelectric Sensor Systems for Cardiological Applications, Measurement (Elsevier), ISSN 0263-2241, 2017

  • [60]    A. Reinhardt, H. Brüns, A. Teplyuk, M. Höft, L. Klinkenbusch: Noninvasive Characterization of Solid Particle Streams Enclosed in a Dielectric Pipeline by a Bistatic Doppler Radar, IEEE Transactions on Microwave Theory and Techniques, vol. 65, issue 12, pp. 5244-5250, Dec. 2017

  • [61]    A. Kittmann, P. Durdaut, S. Zabel, J. Reermann, J. Schmalz, B. Spetzler, D. Meyners, N. X. Sun, J. McCord, M. Gerken, G. Schmidt, M. Höft, R. Knöchel, F. Faupel, E. Quandt: Wide Band Low Noise Love Wave Magnetic Field Sensor System; Scientific Reports, vol. 8, no. 278, January 2018
    [62]    J. Peters, W. Taute, C. Döscher, R. Meier, M. Höft, R. Knöchel, J. Breitkreutz:

  • From laboratory- to pilot-scale: moisture monitoring in fluidized bed granulation by a novel microwave sensor using multivariate calibration approaches Drug Development and Industrial Pharmacy, Jan. 2018, DOI: 10.1080/03639045.2018.1425427

  • [63]    S. Burger, W. Taute, M. Höft: Accurate Permittivity Measurement of PTFE, 3rd Australian Microwave Symposium, Brisbane, Australia, Feb. 2018

  • [64]    D. Miek, C. Schuster, E. Polat, R. Jakoby, H. Maune, M. Höft: Fast and Accurate Tuning of a Cross-Coupled Split-Ring Resonator Filter, German Microwave Conference, Freiburg, Germany, Mar. 2018

  • [65]    F. Daschner, M. Höft: A Resonant Structure for the Permittivity Measurement of Materials with mm-Waves, International Conference on Electromagnetic Wave Interaction with Water and Moist Substances – ISEMA 2018, Lublin, Poland, June 2018

  • [66]    P. Durdaut, A. Kittmann, A. Bahr, E. Quandt, R. Knöchel, and M. Höft: Oscillator Phase Noise Suppression in Surface Acoustic Wave Sensor Systems; IEEE Sensors Journal, vol. 18, no. 12, pp. 4975-4980, June 2018

  • [67]    D. Miek, A. Reinhardt, F. Daschner, M. Höft: Improved Fully Canonical W-Band Waveguide Filter, IEEE International Microwave Symposium 2018, Philadelphia, PA, USA, June 2018

  • [68]    A. Reinhardt, A. Teplyuk, R. Knöchel, M. Höft: Remote Measurement of Particle Streams with a Multistatic Dual Frequency Millimeter Wave Radar Sensor,
    IEEE International Microwave Symposium 2018, Philadelphia, PA, USA, June 2018

  • [69]    D. Miek, M. Höft: Compensation of Cross-Dependencies in Computer Aided Tuning of Microwave Filters by Simplified Space Mapping Approach, IEEE MTT-S International Conference on Numerical Electromagnetic and Multiphysics Modeling and Optimization (NEMO), Reykjavik, Iceland, Aug. 2018

  • [70]    M. Höft, D. Miek: Complex Eigenmodes for Modelling of Dielectric Dual-Mode Resonators IEEE MTT-S International Conference on Numerical Electromagnetic and Multiphysics Modeling and Optimization (NEMO), Reykjavik, Iceland, Aug. 2018

  • [71]    A. Reinhardt, A. Teplyuk, R. Knöchel, M. Höft: Size Determination in Particle Streams using a Multistatic Dual Frequency Millimeter Wave Radar,
    European Microwave Week / EuRAD 2018, Madrid, Spain, Sept. 2018

  • [72]    D. Miek, A. Morán-López, J. A. Ruiz-Cruz, M. Höft: Fully Canonical Phase Equalized W-Band Waveguide Filter with Dispersive Coupling Inverter
    European Microwave Week, Madrid, Spain, Sept. 2018

  • [73]    M. Schimmack, W. Taute, M. Höft: Metal-Polymer Hybrid Embroidered Microwave Multiresonator for High-Frequency Sensing: Modelling, Simulation, and Experimental Analysis, European Microwave Week, Madrid, Spain, Sept. 2018

  • [74]    J. Schmalz, A. Kittmann, P. Durdaut, B. Spetzler, F. Faupel, M. Höft, E. Quandt, M. Gerken: Comparison of the fundamental and higher order Love waves’ sensitivities in a SAW based magnetic field sensor, SAW Symposium 2018, Dresden Oct. 2018

  • [75]    A. Reinhardt, H. Brüns, L. Klinkenbusch, M. Höft: Estimating Particle Dimensions in Streams Using a Multistatic Radar System,
    IEEE International Conference on Electromagnetics in Advanced Applications 2018, Cartagena de Indias, Columbia, Sept. 2018

  • [76]    D. Miek, S. Salzer, M. Höft: Realization of Cross-Coupled X- and Y-Shaped Dual-Mode Dielectric Resonator Filters,
    APMC Proc. Asia-Pacific Microwave Conf., Kyoto, Japan, Nov. 2018

  • [77]    S. Salzer, C. Kirchhof, E. Quandt, M. Höft, R. Knöchel: Magnetoelectric Microwave Magnetic Field Sensor at 3 GHz
    APMC Proc. Asia-Pacific Microwave Conf., Kyoto, Japan, Nov. 2018

  • [78]    A. Reinhardt, A. Teplyuk, R. Knöchel, M. Höft: Remote Characterization of Particle Streams With a Multistatic Dual Frequency Millimeter-Wave Radar, 
    IEEE Transactions on Microwave Theory and Techniques, Dec. 2018
     

 

Patente

[1]          J. Müller, M. Höft:
Microwave Band-Pass Filter
(Spurious Mode Suppression in Combline Resonator),

submitted to the European Patent Office at 29.
March 2005
Patentnumber EP 1 708 303 B1, granted at 25. July 2007

[2]          R. Sobrido, S. Burger, M. Höft:
Microwave Filters including a Capacitive Coupling Element,
submitted to the European Patent Office at 28.
Nov. 2005
Patentnumber EP 1 791 212  B1, granted at 15. July 2009

[3]          M. Höft, O. Bartz:
Tunable bandpass filter,
(Enabling tuning of filters by utilizing a 2 or 3 dimensional plate)
submitted to the European Patent Office at 24.
July 2006
Patentnumber EP 1 885 018  B1, granted at 02. Sept. 2009

[4]          M. Höft, O. Bartz:
Temperature Compensation of Combline Resonators using
Composite Inner Conductor,

submitted to the European Patent Office at 06.
Sept. 2005
Patentnumber EP 1 760 824  B1, granted at 11. Aug. 2010

[5]          M. Höft, O. Bartz, T. Magath, S. Burger, Y. Suehiro:
Analogue RF device for wireless telecommunication
(Closed Loop Software Defined Radio Filterpanel),
submitted to the European Patent Office at 13.
Dec. 2006
Patentnumber EP 1 933 460  B1, granted at 20. April 2011

[6]          T. Shimamura, M. Höft
Multi-layered device and electronic equipment using thereof
submitted to the Japanese Patent Office at 20. Aug. 2008
Patentnumber
US 8,106,722 B2, granted at 31. January 2012

[7]          M. Höft, H. Nakakubo, T. Ishizaki:
Laminated RF device with vertical resonators having stack
arrangement of laminated layers including dielectric layers

submitted to the European Patent Office at 07. Dec. 2007
Patentnumb
er US 8,451,073 B2, granted at 28. May 2013

 

Patentanmeldungen

[1]          M. Höft, J. Müller:
Temperature Compensation of Resonators Using Different Materials
for Housing and Inner Conductor as well as  Suitable Dimensions,

submitted to the European Patent Office at 21.
Dec. 2004
Applicationnumber 04030265.5

[2]          M. Höft:
Microwave Filter including an End-Wall Coupled Coaxial Resonator,
submitted to the European Patent Office at 30.
May 2005
Applicationnumber 05011608.6

[3]          M. Höft:
Dielectric TE Dual Mode Resonator,
submitted to the European Patent Office at 15.
May 2006
Applicationnumber 06009965.2

[4]          O. Bartz, M. Höft:
Tunable bandpass filter (Tunable filter by using high resolution crank axle),
submitted to the European Patent Office at 24.
July 2006
Applicationnumber 06015382.2

[5]          R. Sobrido, M. Höft:
Adjustable Coupling,
submitted to the European Patent Office at 31.
Aug. 2006
Applicationnumber 06119880.0

[6]          M. Höft:
Dielectric Multi Mode Resonator with Branches,
submitted to the European Patent Office at 21.
Feb. 2007
Applicationnumber 07003577.9

[7]          M. Höft:
Dielectric Dual and Triple Mode Resonator with Cross Shape
and contact to Two Sides of Housing,

submitted to the European Patent Office at 21.
Feb. 2007
Applicationnumber 07003578.7

[8]          M. Höft:
Y-Shape Dielectric Multi Mode Resonator,
submitted to the European Patent Office at 21.
Feb. 2007
Applicationnumber 07003579.5

[9]          M. Höft, M. Tamura, T. Ishizaki:
Self-Compensation of Alignment Tolerances for Series Capacitors,
submitted to the Japanese Patent Office at 25.
Oct. 2007
Applicationnumber JP2007277057A, published as JP2009105777A

[10]      T. Shimamura, M. Höft
Laminated devices and electronic equipment using thereof
(VR with horizontal part on same layer as capacitor),
submitted to the Japanese Patent Office at 29. Jan. 2009
Applicationnumber JP2009-17769, published as
JP2010178004A

[11]      M. Tamura, M. Höft
Balance/unbalance filter with impedance transfer and electronic equipment using thereof,
submitted to the Japanese Patent Office at 11.
Mar. 2009
Applicationnumber JP2009-57520, published as JP2010213029A

[12]      T. Shimamura, M. Höft
Stepped impedance resonator bandpass filter  with vias for high impedance section,
submitted to the Japanese Patent Office at 18.
Nov. 2009
Applicationnumber JP2009-262779, published as JP2011109449A

[13]      T. Shimamura, M. Höft
Folded stepped impedance resonator bandpass filter,
submitted to the Japanese Patent Office at 18.
Nov. 2009
Applicationnumber JP2009-262781, published as JP2011109450A

[14]      T. Shimamura, M. Höft
Multi-mode resonator bandpass filter with multi-layer low impedance part,
submitted to the Japanese Patent Office at 02.

Dec. 2009

Applicationnumber JP2009-274571, published as JP2011119907A