Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10355130 | Semiconductor device | Shohei IMAI, Kazuhiro Iyomasa, Koji Yamanaka, Hiroaki Maehara, Ko Kanaya +1 more | 2019-07-16 |
| 9543902 | Power amplifier | Takayuki Matsuzuka, Junichi Udomoto, Hiromitsu Utsumi | 2017-01-10 |
| 9117742 | High electron mobility transistor with shortened recovery time | Hiroyuki Kinoshita, Yoshitsugu Yamamoto | 2015-08-25 |
| 8796697 | Semiconductor device including transistor chips having oblique gate electrode fingers | Seiichi Tsuji, Motoyoshi Koyanagi | 2014-08-05 |
| 8232609 | Semiconductor device including field effect transistor with reduced electric field concentration | Hirotaka Amasuga, Yoshitsugu Yamamoto, Youichi Nogami | 2012-07-31 |
| 7557389 | Field-effect transistor | Hirotaka Amasuga | 2009-07-07 |
| 7528443 | Semiconductor device with recessed gate and shield electrode | Yoshitsugu Yamamoto, Hirotaka Amasuga | 2009-05-05 |
| 7511575 | High-frequency power amplifier | Seiki Gotou, Akira Inoue, Toshikazu Oue | 2009-03-31 |
| 7304329 | Field effect transistor | Yoshitaka Kamo | 2007-12-04 |
| 7042053 | Semiconductor device with polymer insulation of some electrodes | Ryo Hattori, Hiroshi Kawata | 2006-05-09 |
| 6911837 | Method and apparatus for evaluating and adjusting microwave integrated circuit | Takahide Ishikawa, Yoshitsugu Yamamoto, Satoshi Suzuki, Hirotaka Amasuga | 2005-06-28 |
| 6713793 | Field effect transistor structure with bent gate | Satoshi Suzuki | 2004-03-30 |
| 6603190 | Semiconductor device | Katsuya Kosaki, Hirofumi Nakano | 2003-08-05 |
| 6335265 | Method for manufacturing semiconductor device and semiconductor device | Katsuya Kosaki, Hirofumi Nakano | 2002-01-01 |
| 6307245 | Semiconductor device | Naohito Yoshida | 2001-10-23 |
| 5883407 | Semiconductor device | Naohito Yoshida | 1999-03-16 |