Issued Patents All Time
Showing 1–25 of 68 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9537194 | Multimode resonator and RFID tags using the same | Fuminori Sakai | 2017-01-03 |
| 9356333 | Transmission line resonator, band-pass filter and branching filter | Koji Wada, Morikazu Sagawa | 2016-05-31 |
| 9270008 | Transmission line resonator, bandpass filter using transmission line resonator, multiplexer, balanced-to-unbalanced transformer, power divider, unbalanced-to-balanced transformer, frequency mixer, and balance-type filter | Koji Wada, Morikazu Sagawa | 2016-02-23 |
| 6600451 | Ring resonator and antenna | Masahiro Mimura | 2003-07-29 |
| 6531991 | Dielectric resonator antenna for a mobile communication | Naoki Adachi, Takashi Fukagawa, Suguru Fujita, Kenichi Maeda, Kazuaki Takahashi +2 more | 2003-03-11 |
| 6407718 | Dielectric resonator antenna for a mobile communication | Naoki Adachi, Takashi Fukagawa, Suguru Fujita, Kenichi Maeda, Kazuaki Takahashi +2 more | 2002-06-18 |
| 6307449 | Filter with spurious characteristic controlled | Michiaki Matsuo, Hiroyuki Yabuki | 2001-10-23 |
| 6201458 | Plane type strip-line filter in which strip line is shortened and mode resonator in which two types microwaves are independently resonated | Michiaki Matsuo, Morikazu Sagawa | 2001-03-13 |
| 6198450 | Dielectric resonator antenna for a mobile communication | Naoki Adachi, Takashi Fukagawa, Suguru Fujita, Kenichi Maeda, Kazuaki Takahashi +2 more | 2001-03-06 |
| 6121861 | Plane type strip line filter in which strip line is shortened and dual mode resonator in which two types microwaves are independently resonated | Hiroyuki Yabuki, Morikazu Sagawa | 2000-09-19 |
| 5990768 | Millimeter waveguide and a circuit apparatus using the same | Kazuaki Takahashi | 1999-11-23 |
| 5880656 | Plane type strip line filter in which strip line is shortened and dual mode resonator in which two types microwaves are independently resonated | Hiroyuki Yabuki, Michiaki Matsuo, Morikazu Sagawa | 1999-03-09 |
| 5748059 | Plane type strip-line filter in which strip line is shortened and dual mode resonator in which two types microwaves are independently resonated | Hiroyuki Yabuki, Michiaki Matsuo, Morikazu Sagawa | 1998-05-05 |
| 5703546 | Strip line filter having dual mode loop resonators | Kazuaki Takahashi, Makoto Hasegawa, Munenori Fujimura | 1997-12-30 |
| 5697063 | Indoor radio communication system | Takaaki Kishigami, Makoto Hasegawa, Morikazu Sagawa | 1997-12-09 |
| 5684440 | Plane type strip line filter in which strip line is shortened and dual mode resonator in which two types microwaves are independently resonated | Hiroyuki Yabuki, Michiaki Matsuo, Morikazu Sagawa | 1997-11-04 |
| 5659274 | Strip dual mode filter in which a resonance width of a microwave is adjusted | Kazuaki Takahashi, Munenori Fujimura, Hiroyuki Yabuki | 1997-08-19 |
| 5623238 | Strip line filter having dual mode loop resonators | Kazuaki Takahashi, Makoto Hasegawa, Munenori Fujimura | 1997-04-22 |
| 5614876 | Dual mode multistage filter | Kazuaki Takahashi, Munenori Fujimura, Hiroyuki Yabuki | 1997-03-25 |
| 5587690 | Ring resonator oscillator usable in frequency synthesizers and communication apparatus | Hiroyuki Yabuki, Morikazu Sagawa | 1996-12-24 |
| 5559485 | Dielectric resonator | Michiaki Matsuo, Morikazu Sagawa | 1996-09-24 |
| 5541559 | Loop-shaded strip line dual mode multistage filter in which the strip line dual mode filters are arranged in series | Kazuaki Takahashi, Munenori Fujimura, Hiroyuki Yabuki | 1996-07-30 |
| 5534831 | Plane type strip-line filter in which strip line is shortened and dual mode resonator in which two types microwaves are independently resonated | Hiroyuki Yabuki, Michiaki Matsuo, Morikazu Sagawa | 1996-07-09 |
| 5530777 | Optical modulation device | Akira Enokihara, Kentaro Setsune, Morikazu Sagawa | 1996-06-25 |
| 5517163 | Dielectric coaxial resonator | Morikazu Sagawa | 1996-05-14 |