Issued Patents 2003
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6535077 | Dielectric filter, dielectric duplexer, and communication apparatus | Shohachi Nishijima, Hideyuki Kato | 2003-03-18 |
| 6535079 | Dielectric filter, dielectric duplexer, and communication apparatus | Shohachi Nishijima, Hideyuki Kato | 2003-03-18 |
| 6507250 | Dielectric filter, dielectric duplexer, and communication equipment | Hitoshi Tada, Hideyuki Kato, Haruo Matsumoto | 2003-01-14 |
| 6504455 | Dielectric filter, dielectric duplexer, communication system, and method of producing dielectric filter | Jun Toda, Hideyuki Kato | 2003-01-07 |