Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8008995 | Stripline filter and manufacturing method thereof | Tatsuya Tsujiguchi, Yasunori Takei | 2011-08-30 |
| 6963258 | Variable-frequency resonator circuit, variable-frequency filter, shared-antenna device, and communication device | Masayuki Atokawa, Kyoji Matsunaga | 2005-11-08 |
| 6848551 | One-way clutch | Isao Enomoto | 2005-02-01 |
| 6369668 | Duplexer and communication apparatus including the same | Masayuki Atokawa | 2002-04-09 |
| 6351195 | High frequency circuit device, antenna-sharing device, and communication apparatus having spaced apart ground electrodes | Masayuki Atokawa, Hajime Suemasa | 2002-02-26 |