Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6501084 | Lamp unit using short-wave light emitting device | Kazuhiro Sakai, Toshio Takahashi, Tadanobu Iwasa | 2002-12-31 |
| 6402339 | Passenger-cabin lighting device | Osamu Yamanaka, Tadanobu Iwasa, Hiroshi Sugihara | 2002-06-11 |
| 6402354 | Indirect lighting system for vehicle interior | Yasumasa Tatewaki, Tadanobu Iwasa, Osamu Yamanaka, Hiroshi Sugihara, Akihiro Misawa +1 more | 2002-06-11 |