Issued Patents 2003
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6633207 | Continuous transmission line with branch elements, resonator, filter, duplexer, and communication apparatus formed therefrom | Seiji Hidaka, Shin Abe | 2003-10-14 |
| 6624727 | Resonator, filter, duplexer, and communication device | Seiji Hidaka, Shin Abe | 2003-09-23 |
| 6573805 | Resonator, filter, duplexer, and communication device | Seiji Hidaka, Yasuo Fujii, Shin Abe | 2003-06-03 |
| 6538527 | Resonator, filter, duplexer, and communication device | Seiji Hidaka, Shin Abe | 2003-03-25 |
| 6509810 | Filter, duplexer, and communication device | Seiji Hidaka, Yasuo Fujii, Shin Abe | 2003-01-21 |