Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6081248 | Color display device | Masao Hasegawa, Yoshinobu Inoue, Yoshimitsu Uzawa, Osamu Kawai | 2000-06-27 |
| 5140175 | Light-emitting diode drive circuit with fast rise time and fall time | Keiji Yagi, Kazuhiro Zenba, Fumio Ishikawa, Tetsuo Yamamoto, Takayuki Aoki | 1992-08-18 |