Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6756865 | Resonator device, filter, duplexer, and communication apparatus using the same | Kenji Saito, Hiroki Wakamatsu | 2004-06-29 |
| 6573812 | Dielectric filter, duplexer, and communication apparatus | Hiroki Wakamatsu, Shin Abe, Kazuhiko Kubota | 2003-06-03 |
| 6518857 | Multimode dielectric resonator apparatus, filter, duplexer, and communication apparatus | Jun Hattori, Shin Abe, Hiroki Wakamatsu | 2003-02-11 |
| 6433652 | Multimode dielectric resonator apparatus, filter, duplexer and communication apparatus | Jun Hattori, Shin Abe, Hiroki Wakamatsu | 2002-08-13 |
| 6373351 | TM010 mode band elimination dielectric filter, dielectric duplexer and communication device using the same | Kazuhiko Kubota | 2002-04-16 |
| 6281763 | Dielectric resonator, dielectric filter, dielectric duplexer, and method for manufacturing dielectric resonator | Yohei Ishikawa, Seiji Hidaka, Norifumi Matsui | 2001-08-28 |
| 6255914 | TM mode dielectric resonator and TM mode dielectric filter and duplexer using the resonator | Yohei Ishikawa, Seiji Hidaka, Norifumi Matsui, Kazuhiko Kubota | 2001-07-03 |
| 6218914 | Dielectric filter and dielectric duplexer including a movable probe | Kazuhiko Kubota | 2001-04-17 |
| 6211755 | Dielectric resonator, dielectric filter, dielectric duplexer, communication device, and method of producing dielectric resonator | Kazuhiko Kubota | 2001-04-03 |
| 6137384 | Dielectric resonator dielectric filter dielectric duplexer and communication device | Kazuhiko Kubota | 2000-10-24 |
| 6066598 | Superconducting multilayer electrode and method of producing same | Yohei Ishikawa, Seiji Hidaka, Norihumi Matsui | 2000-05-23 |
| 6052041 | TM mode dielectric resonator and TM mode dielectric filter and duplexer using the resonator | Yohei Ishikawa, Seiji Hidaka, Norifumi Matsui, Kazuhiko Kubota | 2000-04-18 |
| 6016091 | Dielectric resonator device comprising a dielectric resonator and thin film electrode layers formed thereon | Seiji Hidaka, Norifumi Matsui, Kazuhiko Kubota | 2000-01-18 |
| 5920243 | Multi-layer thin-film electrode, for a high-frequency transmission line, resonator, and filter | Yohei Ishikawa, Seiji Hidaka, Norifumi Matsui | 1999-07-06 |