Issued Patents 1997
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |