Issued Patents All Time
Showing 26–43 of 43 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6034579 | Dielectric filter of the band elimination type | Hitoshi Tada | 2000-03-07 |
| 6014067 | Dielectric resonator filter having a portion of the outer surface closer to the resonators | Haruo Matsumoto, Yasuo Yamada, Yukihiro Kitaichi, Tadahiro Yorita, Hideyuki Kato +2 more | 2000-01-11 |
| 6005456 | Dielectric filter having non-conductive adjusting regions | Haruo Matsumoto, Yasuo Yamada, Yukihiro Kitaichi, Tadahiro Yorita, Hideyuki Kato +2 more | 1999-12-21 |
| 5949310 | Dielectric filter having a pattern electrode disposed within a dielectric body and manufacturing method thereof | Haruo Matsumoto, Tadahiro Yorita, Yasuo Yamada, Hideyuki Kato, Yukihiro Kitaichi +1 more | 1999-09-07 |
| 5905420 | Dielectric filter | Haruo Matsumoto, Hideyuki Kato | 1999-05-18 |
| 5896074 | Dielectric filter | Haruo Matsumoto, Yasuo Yamada, Yukihiro Kitaichi, Tadahiro Yorita, Hideyuki Kato +2 more | 1999-04-20 |
| 5867076 | Dielectric resonator and dielectric resonant component having stepped portion and non-conductive inner portion | Hitoshi Tada, Hideyuki Kato, Yukihiro Kitaichi, Tadahiro Yorita, Haruo Matsumoto +1 more | 1999-02-02 |
| 5841331 | Dielectric filter | — | 1998-11-24 |
| 5815056 | Dielectric resonator having an elongated non-conductive resonator gaps and manufacturing method thereof | Hitoshi Tada, Hideyuki Kato, Haruo Matsumoto | 1998-09-29 |
| 5712604 | Dielectric filter including at least one band elimination filter | Hitoshi Tada, Hideyuki Kato, Haruo Matsumoto | 1998-01-27 |
| 5712648 | Dielectric filter and antenna duplexer | — | 1998-01-27 |
| 5696473 | Dielectric filter having a non-right angle stepped end surface | Hitoshi Tada | 1997-12-09 |
| 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 |
| 5633617 | Dielectric bandpass filter | Haruo Matsumoto | 1997-05-27 |
| 5629656 | Dielectric resonator apparatus comprising connection conductors extending between resonators and external surfaces | Hitoshi Tada, Hideyuki Kato | 1997-05-13 |
| 5612654 | Dielectric filter having stepped resonator holes with offset hole portions | Hitoshi Tada | 1997-03-18 |
| 5537082 | Dielectric resonator apparatus including means for adjusting the degree of coupling | Hitoshi Tada, Hideyuki Kato, 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 | Tadahiro Yorita, Hitoshi Tada, Hideyuki Kato, Yukihiro Kitaichi, Haruo Matsumoto | 1996-06-11 |