Issued Patents All Time
Showing 1–25 of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6694601 | Method of adjusting characteristics of dielectric filter | Haruo Matsumoto, Yasuo Yamada, Yukihiro Kitaichi, Hideyuki Kato, Tatsuya Tsujiguchi +2 more | 2004-02-24 |
| 6466109 | Dielectric filter having non-conductive adjusting regions | Haruo Matsumoto, Yasuo Yamada, Yukihiro Kitaichi, Hideyuki Kato, Tatsuya Tsujiguchi +2 more | 2002-10-15 |
| 6401328 | Manufacturing method of dielectric filter having a pattern electrode disposed within a dielectric body | Haruo Matsumoto, Yasuo Yamada, Hideyuki Kato, Yukihiro Kitaichi, Hisashi Mori +1 more | 2002-06-11 |
| 6400238 | Dielectric filter having side surface indentation | Haruo Matsumoto, Yasuo Yamada, Yukihiro Kitaichi, Hideyuki Kato, Tatsuya Tsujiguchi +2 more | 2002-06-04 |
| 6353374 | Dielectric filter with recessed end surface | Haruo Matsumoto, Yasuo Yamada, Yukihiro Kitaichi, Hideyuki Kato, Tatsuya Tsujiguchi +2 more | 2002-03-05 |
| 6243564 | Dielectric filter having coupling windows between resonators, and transceiver using the dielectric filter | — | 2001-06-05 |
| 6184759 | Dielectric filter having inductive coupling windows between resonators, and transceiver using the dielectric filter | — | 2001-02-06 |
| 6122489 | Dielectric filter having capacitive coupling windows between resonators, and transceiver using the dielectric filter | — | 2000-09-19 |
| 6087910 | Dielectric filter having stepped resonators with non-conductive gap | Haruo Matsumoto, Yasuo Yamada, Yukihiro Kitaichi, Hideyuki Kato, Hisashi Mori | 2000-07-11 |
| 6078230 | Characteristic adjusting method for dielectric filter using a grinding tool | Haruo Matsumoto, Yasuo Yamada, Yukihiro Kitaichi, Hideyuki Kato, Tatsuya Tsujiguchi +2 more | 2000-06-20 |
| 6075975 | Dielectric filter having pairs of capacitive coupling windows between resonators and transceiver using the dielectric filter | — | 2000-06-13 |
| 6069542 | Dielectric filter having resonator electrodes, shield electrodes, and coupling electrodes disposed within a dielectric body | Haruo Matsumoto, Yasuo Yamada, Hideyuki Kato, Yukihiro Kitaichi, Hisashi Mori +1 more | 2000-05-30 |
| 6026281 | Dielectric filter having coupling windows between resonators, and transceiver using the dielectric filter | — | 2000-02-15 |
| 6014067 | Dielectric resonator filter having a portion of the outer surface closer to the resonators | Haruo Matsumoto, Yasuo Yamada, Yukihiro Kitaichi, Hideyuki Kato, Tatsuya Tsujiguchi +2 more | 2000-01-11 |
| 6005456 | Dielectric filter having non-conductive adjusting regions | Haruo Matsumoto, Yasuo Yamada, Yukihiro Kitaichi, Hideyuki Kato, Tatsuya Tsujiguchi +2 more | 1999-12-21 |
| 5949310 | Dielectric filter having a pattern electrode disposed within a dielectric body and manufacturing method thereof | Haruo Matsumoto, Yasuo Yamada, Hideyuki Kato, Yukihiro Kitaichi, Hisashi Mori +1 more | 1999-09-07 |
| 5896074 | Dielectric filter | Haruo Matsumoto, Yasuo Yamada, Yukihiro Kitaichi, Hideyuki Kato, Tatsuya Tsujiguchi +2 more | 1999-04-20 |
| 5867076 | Dielectric resonator and dielectric resonant component having stepped portion and non-conductive inner portion | Hitoshi Tada, Hideyuki Kato, Tatsuya Tsujiguchi, Yukihiro Kitaichi, Haruo Matsumoto +1 more | 1999-02-02 |
| 5831497 | Dielectirc resonator apparatus | Hirohumi Miyamoto | 1998-11-03 |
| 5737696 | Dielectric filter having inductive coupling windows between resonators and transceiver using the dielectric filter | — | 1998-04-07 |
| 5691674 | Dielectric resonator apparatus comprising at least three quarter-wavelength dielectric coaxial resonators and having capacitance coupling electrodes | Hirofumi Miyamoto | 1997-11-25 |
| 5642084 | Dielectric filter having respective capacitance gaps flushed with the inner surface of corresponding holes | Haruo Matsumoto, Yasuo Yamada, Yukihiro Kitaichi, Hideyuki Kato, Tatsuya Tsujiguchi +2 more | 1997-06-24 |
| 5546059 | Dielectric filter having a non-conductive region in each resonator hole | Yasuo Yamada, Hirohumi Miyamoto | 1996-08-13 |
| 5537082 | Dielectric resonator apparatus including means for adjusting the degree of coupling | Hitoshi Tada, Hideyuki Kato, Tatsuya Tsujiguchi, Yukihiro Kitaichi, 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, Hitoshi Tada, Hideyuki Kato, Yukihiro Kitaichi, Haruo Matsumoto | 1996-06-11 |