Issued Patents 2003
Showing 1–2 of 2 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 | Hitoshi Akamine, Nobuhiko Ishihara, Tetsuaki Adachi, Kogi Sugita | 2003-12-02 |
| 6617927 | High frequency power amplifier module, and wireless communications system | Masahito Numanami, Hitoshi Akamine, Tsuyoshi Shibuya, Tetsuaki Adachi, Masatoshi Morikawa | 2003-09-09 |