Issued Patents 2004
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6822517 | Power amplifier module | Hidetoshi Matsumoto, Satoshi Tanaka, Kiichi Yamashita | 2004-11-23 |
| 6816017 | Power amplifier module | Kiichi Yamashita, Isao Ohbu, Kenji Sekine | 2004-11-09 |
| 6775525 | Radio communication apparatus and semiconductor device | Kiichi Yamashita | 2004-08-10 |
| 6771128 | Power amplifier module | Kiichi Yamashita, Shizuo Kondo | 2004-08-03 |
| 6710649 | Power amplifier module | Hidetoshi Matsumoto, Satoshi Tanaka, Kiichi Yamashita | 2004-03-23 |
| 6674323 | High frequency power amplifier, high frequency power amplifier module, and portable telephone | Osamu Kagaya, Masami Ohnishi, Kenji Sekine | 2004-01-06 |