Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6556101 | Dielectric resonator, dielectric filter, dielectric duplexer, and communication device | Hideyuki Kato, Haruo Matsumoto | 2003-04-29 |
| 6507250 | Dielectric filter, dielectric duplexer, and communication equipment | Hideyuki Kato, Motoharu Hiroshima, Haruo Matsumoto | 2003-01-14 |