Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9159654 | Semiconductor device | Hidetoshi Koyama, Yoshitsugu Yamamoto | 2015-10-13 |
| 8878333 | Semiconductor device having improved RF characteristics and moisture resistance and method for manufacturing the same | Hidetoshi Koyama, Yoshitsugu Yamamoto | 2014-11-04 |
| 8232609 | Semiconductor device including field effect transistor with reduced electric field concentration | Tetsuo Kunii, Hirotaka Amasuga, Yoshitsugu Yamamoto | 2012-07-31 |
| 5916411 | Dry etching system | — | 1999-06-29 |