Issued Patents All Time
Showing 26–35 of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5486799 | Strip line filter and duplexer filter using the same | Katsuhiko Gunji, Kazushige Noguchi, Kunihiro Tanoie | 1996-01-23 |
| 5323127 | Branching filter having specific impedance and admittance characteristics | Katsuhiko Gunji, Norio Onishi, Akira Mashimo, Kouichi Ichikawa | 1994-06-21 |
| 5227747 | Dielectric filter having coupling amount adjusting patterns | Katsuhiko Gunji, Norio Onishi, Osamu Yamato, Akira Mashimo, Kouichi Ichikawa | 1993-07-13 |
| 5150089 | Dielectric filter having an attenuation pole tunable to a predetermined frequency | Katsuhiko Gunji, Norio Onishi, Akira Mashimo | 1992-09-22 |
| 5124675 | LC-type dielectric filter | Katsuhiko Gunji, Norio Onishi, Ichiro Iwase, Akira Mashimo | 1992-06-23 |
| 5097237 | Microstrip line type resonator | Katsuhiko Gunji, Norio Onishi, Ichiro Iwase, Akira Mashimo | 1992-03-17 |
| 5015973 | Duplexer with an isolating circuit on a dielectric plate | Izumi Kawakami, Katsuhiko Gunji, Norio Onishi, Yoshimitsu Sakurai, Hiroyuki Horii +1 more | 1991-05-14 |
| 5015974 | Isolating circuit and dielectric filter for use therein | Katsuhiko Gunji, Norio Onishi, Akira Mashimo | 1991-05-14 |
| 4891615 | Dielectric filter with attenuation pole | Katsuhiko Gunji, Norio Onishi, Yoshimitu Sakurai, Hiroyuki Horii, Akira Mashimo | 1990-01-02 |
| 4768003 | Microwave filter | Izumi Kawakami, Katuhiko Gunzi, Norio Onisi | 1988-08-30 |