Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8550731 | Blade drive device and optical device | Phichet Numnual | 2013-10-08 |
| 8368989 | Light amount adjusting device and optical device | Phichet Numnual, Takashi Nakano | 2013-02-05 |
| 8254008 | Blade drive device and optical device | Worachai Jaitham | 2012-08-28 |
| 8047733 | Blade drive device | Phichet Numnual, Takashi Nakano, Noppadol Ngernping | 2011-11-01 |