Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7287864 | Light amount adjusting device and projector using the same | Masahide Shirasu, Kazuhiro Fukasawa, Akira Hakozaki | 2007-10-30 |
| 4345241 | Analog-to-digital conversion method and apparatus | Rikichi Murooka, Jun Sakamoto | 1982-08-17 |