Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6768383 | High-frequency amplifier | Hisayoshi Kato, Michiaki Tsuneoka | 2004-07-27 |
| 6747528 | Dielectric filter, antenna duplexer, and communications appliance | Tomoya Maekawa, Hiroshi Shigemura, Toru Yamada, Toshio Ishizaki, Hideaki Nakakubo | 2004-06-08 |
| 6696903 | Laminated dielectric filter, and antenna duplexer and communication equipment using the same | Emiko Kawahara, Toru Yamada, Hideaki Nakakubo | 2004-02-24 |