Issued Patents All Time
Showing 1–25 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7538638 | Resonator, filter, and communication unit | Seiji Hidaka | 2009-05-26 |
| 7511490 | Magnetic resonance imaging apparatus and magnetic resonance imaging method | — | 2009-03-31 |
| 7113058 | Resonator, filter, communication apparatus | Seiji Hidaka | 2006-09-26 |
| 7095301 | Resonator device, filter, duplexer and communication device | Seiji Hidaka | 2006-08-22 |
| 6972645 | Resonator, filter, communication apparatus | Seiji Hidaka | 2005-12-06 |
| 6943644 | Resonator, filter, duplexer, and communication apparatus | Seiji Hidaka | 2005-09-13 |
| 6940372 | Transmission line, resonator, filter, duplexer, and communication apparatus | Seiji Hidaka, Michiaki Ota | 2005-09-06 |
| 6937118 | High-frequency circuit device, resonator, filter, duplexer, and high-frequency circuit apparatus | Seiji Hidaka | 2005-08-30 |
| 6894587 | Coaxial resonator, filter, duplexer, and communication device | Seiji Hidaka, Shingo Okajima | 2005-05-17 |
| 6888426 | Resonator, filter, duplexer, and high-frequency circuit apparatus | Seiji Hidaka, Yasuo Fujii | 2005-05-03 |
| 6828882 | Multi-spiral element, resonator, filter, duplexer, and high-frequency circuit device | Seiji Hidaka, Yasuo Fujii | 2004-12-07 |
| 6781487 | Multimode dielectric resonator device, dielectric filter, composite dielectric filter, synthesizer, distributor, and communication device | Jun Hattori, Norihiro Tanaka, Toru Kurisu | 2004-08-24 |
| 6633207 | Continuous transmission line with branch elements, resonator, filter, duplexer, and communication apparatus formed therefrom | Seiji Hidaka, Michiaki Ota | 2003-10-14 |
| 6624727 | Resonator, filter, duplexer, and communication device | Seiji Hidaka, Michiaki Ota | 2003-09-23 |
| 6573805 | Resonator, filter, duplexer, and communication device | Seiji Hidaka, Michiaki Ota, Yasuo Fujii | 2003-06-03 |
| 6573812 | Dielectric filter, duplexer, and communication apparatus | Hiroki Wakamatsu, Tomoyuki Ise, Kazuhiko Kubota | 2003-06-03 |
| 6538527 | Resonator, filter, duplexer, and communication device | Seiji Hidaka, Michiaki Ota | 2003-03-25 |
| 6518857 | Multimode dielectric resonator apparatus, filter, duplexer, and communication apparatus | Jun Hattori, Hiroki Wakamatsu, Tomoyuki Ise | 2003-02-11 |
| 6509810 | Filter, duplexer, and communication device | Michiaki Ota, Seiji Hidaka, Yasuo Fujii | 2003-01-21 |
| 6507254 | Multimodal dielectric resonance device, dielectric filter, composite dielectric filter, synthesizer, distributor, and communication apparatus | Jun Hattori, Norihiro Tanaka, Toru Kurisu | 2003-01-14 |
| 6501345 | Filter, duplexer, and communications device | Michiaki Ota, Seiji Hidaka | 2002-12-31 |
| 6496087 | Multi-mode dielectric resonance devices, dielectric filter, composite dielectric filter, synthesizer, distributor, and communication equipment | Jun Hattori, Norihiro Tanaka, Toru Kurisu | 2002-12-17 |
| 6486754 | Resonator, filter, duplexer, and communication device | Seiji Hidaka, Michiaki Ota, Yohei Ishikawa | 2002-11-26 |
| 6456861 | High frequency low loss electrode having laminated main and sub conductors | Seiji Hidaka, Michiaki Ota | 2002-09-24 |
| 6438395 | High frequency low loss electrode with main and sub conductors | Seiji Hidaka, Michiaki Ota | 2002-08-20 |