Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6658243 | High frequency power amplifying apparatus having amplifying stages with gain control signals of lower amplitudes applied to earlier preceding stages | Nobuhiko Ishihara, Tetsuaki Adachi, Yasuhiro Nunogawa, Kogi Sugita | 2003-12-02 |
| 6617927 | High frequency power amplifier module, and wireless communications system | Masahito Numanami, Tsuyoshi Shibuya, Tetsuaki Adachi, Masatoshi Morikawa, Yasuhiro Nunogawa | 2003-09-09 |
| 6605999 | High-frequency power amplifier, wireless communication apparatus and wireless communication system | Kouichi Matsushita, Tomio Furuya, Tetsuaki Adachi, Nobuhiro Matsudaira | 2003-08-12 |