Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7866824 | Sealed lamp device and projector | Motohisa Haga, Kazuya Terasaki, Katsuhiro Yamashita, Takashi Nasu | 2011-01-11 |
| 7425793 | Lamp cooling device and projection display apparatus | Motohisa Haga, Kazuya Terasaki, Yukio Ito, Takuji Ohkubo, Hiroshi Hasegawa +5 more | 2008-09-16 |