Issued Patents All Time
Showing 51–69 of 69 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5757835 | Semiconductor laser device | Kenichi Ono | 1998-05-26 |
| 5712604 | Dielectric filter including at least one band elimination filter | Hideyuki Kato, Haruo Matsumoto, Tatsuya Tsujiguchi | 1998-01-27 |
| 5696473 | Dielectric filter having a non-right angle stepped end surface | Tatsuya Tsujiguchi | 1997-12-09 |
| 5686873 | Antenna duplexer having transmit and receive portion formed in a single dielectric block | Hideyuki Kato | 1997-11-11 |
| 5684902 | Semiconductor laser module | — | 1997-11-04 |
| 5668822 | Integrated semiconductor laser device | — | 1997-09-16 |
| 5652555 | Dielectrical filters having resonators at a trap frequency where the even/odd mode impedances are both zero | Haruo Matsumoto, Hideyuki Kato | 1997-07-29 |
| 5642084 | Dielectric filter having respective capacitance gaps flushed with the inner surface of corresponding holes | Haruo Matsumoto, Yasuo Yamada, Yukihiro Kitaichi, Tadahiro Yorita, Hideyuki Kato +2 more | 1997-06-24 |
| 5629656 | Dielectric resonator apparatus comprising connection conductors extending between resonators and external surfaces | Hideyuki Kato, Tatsuya Tsujiguchi | 1997-05-13 |
| 5612654 | Dielectric filter having stepped resonator holes with offset hole portions | Tatsuya Tsujiguchi | 1997-03-18 |
| 5585309 | Method of making semiconductor laser | Kenzo Mori, Tadashi Kimura, Yoshitatu Kawama, Nobuaki Kaneno, Tatuya Kimura +1 more | 1996-12-17 |
| 5572175 | Coaxial dielectric resonator apparatus having a plurality of side recesses located on a mount substrate | Hiroshi Tada, Hajime Suemasa, Haruo Matsumoto, Takashi Maruyama, Hideyuki Kato +2 more | 1996-11-05 |
| 5537082 | Dielectric resonator apparatus including means for adjusting the degree of coupling | Hideyuki Kato, Tatsuya Tsujiguchi, Yukihiro Kitaichi, Tadahiro Yorita, Hisashi Mori +1 more | 1996-07-16 |
| 5525946 | Dielectric resonator apparatus comprising a plurality of one-half wavelength dielectric coaxial resonators having open-circuit gaps at ends thereof | Tatsuya Tsujiguchi, Tadahiro Yorita, Hideyuki Kato, Yukihiro Kitaichi, Haruo Matsumoto | 1996-06-11 |
| 5426658 | Semiconductor laser including ridge confining buffer layer | Nobuaki Kaneno, Hirotaka Kizuki, Norio Hayafuji, Tetsuo Shiba | 1995-06-20 |
| 5418799 | Semiconductor laser element structure | — | 1995-05-23 |
| 5390205 | Semiconductor laser | Kenzo Mori, Tadashi Kimura, Yoshitatu Kawama, Nobuaki Kaneno, Tatuya Kimura +1 more | 1995-02-14 |
| 5316967 | Method for producing semiconductor device | Nobuaki Kaneno, Hirotaka Kizuki, Norio Hayafuji, Tetsuo Shiba | 1994-05-31 |
| 5202653 | Band-pass filter including resonance elements coupled by a coupling line and a by-pass coupling line | Yasuo Yamada, Tadahiro Yorita | 1993-04-13 |