Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9220137 | Method for driving a light-emitting unit and circuit therefor | Yoshio Fujimura, Hiroshi Iizuka, Koudai Nakamura, Yuusuke Nishizaki, Kenpei En | 2015-12-22 |
| 8665922 | Driver circuit of light-emitting element | Yoshio Fujimura, Hiroshi Iizuka, Koudai Nakamura, Yuusuke Nishizaki, Kenpei En | 2014-03-04 |
| 8133788 | Method of manufacturing semiconductor device | Yasuyuki Sayama, Tetsuya Okada, Makoto Oikawa, Hiroyasu Ishida | 2012-03-13 |
| 7417295 | Insulated gate semiconductor device and manufacturing method thereof | Tetsuya Okada, Makoto Oikawa | 2008-08-26 |