Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6888425 | Resonator, filter, composite filter, transmitting and receiving apparatus, and communication apparatus | Yuji Kintaka | 2005-05-03 |
| 6470198 | Electronic part, dielectric resonator, dielectric filter, duplexer, and communication device comprised of high TC superconductor | Yuji Kintaka | 2002-10-22 |
| 6281763 | Dielectric resonator, dielectric filter, dielectric duplexer, and method for manufacturing dielectric resonator | Yohei Ishikawa, Seiji Hidaka, Tomoyuki Ise | 2001-08-28 |
| 6255914 | TM mode dielectric resonator and TM mode dielectric filter and duplexer using the resonator | Yohei Ishikawa, Seiji Hidaka, Tomoyuki Ise, Kazuhiko Kubota | 2001-07-03 |
| 6144268 | High-frequency transmission line, dielectric resonator, filter, duplexer, and communication device, with an electrode having gaps in an edge portion | Seiji Hidaka, Yohei Ishikawa | 2000-11-07 |
| 6052041 | TM mode dielectric resonator and TM mode dielectric filter and duplexer using the resonator | Yohei Ishikawa, Seiji Hidaka, Tomoyuki Ise, Kazuhiko Kubota | 2000-04-18 |
| 6016091 | Dielectric resonator device comprising a dielectric resonator and thin film electrode layers formed thereon | Seiji Hidaka, Kazuhiko Kubota, Tomoyuki Ise | 2000-01-18 |
| 6011983 | Band-pass filter apparatus using superconducting integrated nonradiative dielectric waveguide | Yohei Ishikawa, Seiji Hidaka | 2000-01-04 |
| 5920243 | Multi-layer thin-film electrode, for a high-frequency transmission line, resonator, and filter | Yohei Ishikawa, Seiji Hidaka, Tomoyuki Ise | 1999-07-06 |