Issued Patents All Time
Showing 26–50 of 69 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6384955 | Light modulator | Tomoko Kadowaki | 2002-05-07 |
| 6359529 | Filtering device comprising filters, each having a resonance line, a coupling element coupled to said resonance line, and a switch for short-circuiting said resonance line | Kikuo Tsunoda | 2002-03-19 |
| 6353374 | Dielectric filter with recessed end surface | Haruo Matsumoto, Yasuo Yamada, Yukihiro Kitaichi, Tadahiro Yorita, Hideyuki Kato +2 more | 2002-03-05 |
| 6282009 | Light modulator and method of manufacturing the light modulator | Tomoko Kadowaki | 2001-08-28 |
| 6281768 | Dielectric filter, duplexer, and communication apparatus | Motoharu Hiroshima, Hideyuki Kato | 2001-08-28 |
| 6226310 | Semiconductor optical device | Kazuhisa Takagi | 2001-05-01 |
| 6177852 | Dielectric filter, dielectric duplexer, and transceiver | Hideyuki Kato | 2001-01-23 |
| 6157274 | Band elimination filter and duplexer | Hideyuki Kato | 2000-12-05 |
| 6087911 | Dielectric filter, duplexer, and communication system | Hideyuki Kato | 2000-07-11 |
| 6078230 | Characteristic adjusting method for dielectric filter using a grinding tool | Haruo Matsumoto, Yasuo Yamada, Yukihiro Kitaichi, Tadahiro Yorita, Hideyuki Kato +2 more | 2000-06-20 |
| 6054910 | Dielectric filter having an inner conductor with two open-circuited inner ends | Hiromi Ogura | 2000-04-25 |
| 6034579 | Dielectric filter of the band elimination type | Tatsuya Tsujiguchi | 2000-03-07 |
| 6023208 | Dielectric filter | Hiromi Ogura | 2000-02-08 |
| 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 |
| 6008707 | Antenna duplexer | Hideyuki Kato | 1999-12-28 |
| 6005456 | Dielectric filter having non-conductive adjusting regions | Haruo Matsumoto, Yasuo Yamada, Yukihiro Kitaichi, Tadahiro Yorita, Hideyuki Kato +2 more | 1999-12-21 |
| 5912603 | Dielectric filter having a longitudinal through-hole and a transverse connection conductor | Hiromi Ogura | 1999-06-15 |
| 5896074 | Dielectric filter | Haruo Matsumoto, Yasuo Yamada, Yukihiro Kitaichi, Tadahiro Yorita, Hideyuki Kato +2 more | 1999-04-20 |
| 5870006 | Dielectric filter | Hideyuki Kato | 1999-02-09 |
| 5867076 | Dielectric resonator and dielectric resonant component having stepped portion and non-conductive inner portion | Hideyuki Kato, Tatsuya Tsujiguchi, Yukihiro Kitaichi, Tadahiro Yorita, Haruo Matsumoto +1 more | 1999-02-02 |
| 5815056 | Dielectric resonator having an elongated non-conductive resonator gaps and manufacturing method thereof | Hideyuki Kato, Haruo Matsumoto, Tatsuya Tsujiguchi | 1998-09-29 |
| 5793267 | Dielectric block filter having first and second resonator arrays coupled together | Hideyuki Kato | 1998-08-11 |
| 5786234 | Method of fabricating semiconductor laser | Yutaka Nagai | 1998-07-28 |
| 5764117 | Method of manufacturing a dielectric resonant apparatus | Hiroshi Tada, Hajime Suemasa, Haruo Matsumoto, Takashi Maruyama, Hideyuki Kato +2 more | 1998-06-09 |
| 5760666 | Dielectric resonant component with resist film on the mount substrate | Hiroshi Tada, Hajime Suemasa, Haruo Matsumoto, Takashi Maruyama, Hideyuki Kato +2 more | 1998-06-02 |