Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6072376 | Filter with low-noise amplifier | Toshimitsu Matsuyoshi, Minoru Tachibana, Junichi Yoshizumi, Makoto Sakakura, Toshio Ishizaki +1 more | 2000-06-06 |
| 5986522 | Piezoelectric filter of the ladder type | Yasuteru Asakawa, Toshio Ishizaki, Osamu Kawasaki, Yukihiko Ise, Toru Yamada +1 more | 1999-11-16 |
| 5872487 | Fast frequency switching synthesizer | Hisashi Adachi, Hiroaki Kosugi, Takeshi Miura, Youichi Morinaga | 1999-02-16 |
| 5847489 | Piezoelectric device and a package | Yuki Satoh, Toshio Ishizaki, Tsuyoshi Sakaue, Koji Hashimoto, Tohru Yamada | 1998-12-08 |
| 5694089 | Fast frequency switching synthesizer | Hisashi Adachi, Hiroaki Kosugi | 1997-12-02 |
| 5589724 | Piezoelectric device and a package | Yuki Satoh, Toshio Ishizaki, Tsuyoshi Sakaue, Koji Hashimoto, Tohru Yamada | 1996-12-31 |
| 5539419 | Antenna system for mobile communication | Koichi Ogawa | 1996-07-23 |
| 5526003 | Antenna for mobile communication | Koichi Ogawa, Masao Takahashi | 1996-06-11 |
| 5400001 | Piezoelectric resonator and piezoelectric filter | Yasuteru Asakawa, Toshio Ishizaki, Yukihiko Ise, Hiroshi Fukushima, Yukio Kashiwagi | 1995-03-21 |
| 5321374 | Transverse electromagnetic mode resonator | — | 1994-06-14 |
| 5274388 | Antenna device | Toshio Ishizaki, Hiroaki Kosugi, Toshio Sekiguchi | 1993-12-28 |
| 4700194 | Small antenna | Koichi Ogawa, Hiroaki Kosugi, Junko Yamamoto | 1987-10-13 |
| 4656441 | Coaxial line-to-microstrip line transition device | Hiroshi Takahashi, Takashi Machida, Hirokazu Kitamura | 1987-04-07 |
| 4333062 | Temperature stabilized MIC solid-state oscillator | — | 1982-06-01 |
| 4331940 | Solid-state MIC oscillator | — | 1982-05-25 |