Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6483398 | Directional coupler, high frequency circuit module and wireless communication system | Hiroyuki Nagamori, Shun Imai, Satoshi Arai, Yasuhiro Nunogawa | 2002-11-19 |
| 6463267 | 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 | 2002-10-08 |
| 6433639 | High frequency power amplifier module and wireless communication system | Masahito Numanami, Tsuyoshi Shibuya, Tetsuaki Adachi, Masatoshi Morikawa, Yasuhiro Nunogawa | 2002-08-13 |