Issued Patents 2003
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6642817 | Dielectric filter, dielectric duplexer, and communication device | Hirofumi Miyamoto, Jinsei Ishihara, Hideyuki Kato | 2003-11-04 |
| 6580338 | Dielectric filter, dielectric duplexer, communication apparatus, and method of designing dielectric resonator apparatus | Hideki Tsukamoto, Jinsei Ishihara, Hideyuki Kato | 2003-06-17 |
| 6580339 | Dielectric duplexer and communication apparatus | — | 2003-06-17 |
| 6549095 | Dielectric filter, dielectric duplexer, and communication apparatus | Hideki Tsukamoto, Jinsei Ishihara, Hideyuki Kato | 2003-04-15 |
| 6549093 | Dielectric filter, duplexer, and communication apparatus incorporating the same | Hideki Tsukamoto, Jinsei Ishihara, Hideyuki Kato | 2003-04-15 |
| 6545566 | Dielectric filter, dielectric duplexer, and communication device | Hideki Tsukamoto, Jinsei Ishihara, Hideyuki Kato | 2003-04-08 |
| 6535082 | Dielectric filter, dielectric duplexer, and communication device using the same | Jinsei Ishihara, Hideyuki Kato | 2003-03-18 |
| 6525625 | Dielectric duplexer and communication apparatus | Hideki Tsukamoto, Jinsei Ishihara, Hideyuki Kato | 2003-02-25 |