Issued Patents 2003
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |