Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE40465 | Dielectric filter, dielectric duplexer, and communication apparatus | Motoharu Hiroshima, Katsuhito Kuroda, Hideyuki Kato, Haruo Matsumoto | 2008-08-26 |
| 6801101 | Dielectric filter, dielectric duplexer, and communication apparatus | Motoharu Hiroshima, Hideyuki Kato | 2004-10-05 |
| 6535077 | Dielectric filter, dielectric duplexer, and communication apparatus | Motoharu Hiroshima, Hideyuki Kato | 2003-03-18 |
| 6535079 | Dielectric filter, dielectric duplexer, and communication apparatus | Motoharu Hiroshima, Hideyuki Kato | 2003-03-18 |
| 6448864 | Balanced-unbalanced converting circuit, balanced-unbalanced converter, and communication device including the same | Motoharu Hiroshima, Hideyuki Kato | 2002-09-10 |
| 6448870 | Dielectric filter, dielectric duplexer, and communication apparatus using the same | Motoharu Hiroshima, Hideyuki Kato, Kikuo Tsunoda | 2002-09-10 |
| 6420942 | Dielectric filter, dielectric duplexer, and communication apparatus | Motoharu Hiroshima, Katsuhito Kuroda, Hideyuki Kato, Haruo Matsumoto | 2002-07-16 |
| 6380824 | Dielectric filter, composite dielectric filter, duplexer, and communication apparatus | Motoharu Hiroshima, Hideyuki Kato | 2002-04-30 |
| 6304158 | Dielectric filter, composite dielectric filter, antenna duplexer, and communication apparatus | Motoharu Hiroshima, Hideyuki Kato, Haruo Matsumoto | 2001-10-16 |
| 6150905 | Dielectric filter with through-hole having large and small diameter portions and a coupling adjustment portion | — | 2000-11-21 |
| 6002309 | Dielectric filter | Hiromi Ogura | 1999-12-14 |