Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9466705 | Semiconductor device and method of manufacturing the same | Akira Yoshioka, Toru Sugiyama, Yasunobu Saito | 2016-10-11 |
| 9184258 | GaN based semiconductor device and method of manufacturing the same | Akira Yoshioka, Toru Sugiyama, Yasunobu Saito | 2015-11-10 |
| 9059027 | Semiconductor device | Tetsuya Ohno | 2015-06-16 |
| 5336909 | Bipolar transistor with an improved collector structure | Riichi Katoh | 1994-08-09 |
| 5266818 | Compound semiconductor device having an emitter contact structure including an I.sub.nx Ga.sub.1 -.sub.x As graded-composition layer | Kouhei Morizuka | 1993-11-30 |