Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6865399 | Mobile telephone apparatus | Toru Fujioka, Isao Yoshida, Masatoshi Morikawa, Yoshikuni Matsunaga, Kenji Sekine +1 more | 2005-03-08 |
| 6535069 | High-frequency power amplifier module | Toru Fujioka, Isao Yoshida, Masatoshi Morikawa, Yoshikuni Matsunaga, Kenji Sekine +1 more | 2003-03-18 |
| 6384688 | High-frequency power amplifier module | Toru Fujioka, Isao Yoshida, Masatoshi Morikawa, Yoshikuni Matsunaga, Kenji Sekine +1 more | 2002-05-07 |
| 6366788 | Mobile telephone system | Toru Fujioka, Isao Yoshida, Masatoshi Morikawa, Yoshikuni Matsunaga, Kenji Sekine +1 more | 2002-04-02 |
| 5719429 | High frequency/high output insulated gate semiconductor device with reduced and balanced gate resistance | Isao Yoshida, Yasuo Maruyama | 1998-02-17 |
| 4492974 | DMOS With gate protection diode formed over base region | Isao Yoshida, Takeaki Okabe, Minoru Nagata, Toshiaki Masuhara, Kazutoshi Ashikawa +5 more | 1985-01-08 |
| 4213140 | Insulated-gate semiconductor device | Takeaki Okabe, Isao Yoshida, Hidefumi Ito, Masatomo Furumi, Shikayuki Ochi | 1980-07-15 |