Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7647814 | Environment difference detector | Noritake Nakaso, Shingo Akao, Kazushi Yamanaka, Ichitaro Satoh, Tetsuya Miyagishi | 2010-01-19 |
| 6512625 | Light modulation device and system | Wenhui Mei, Kin F. Chan | 2003-01-28 |