Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7573203 | Mercury-free high-pressure discharge lamp and luminaire using the same | Takahito Kashiwagi, Mikio Matsuda, Kozo Uemura | 2009-08-11 |
| 6781292 | High pressure discharge lamp and luminaire | Sadao Sakaguchi, Shigemi Oku, Takahito Kashiwagi | 2004-08-24 |
| 6661176 | High pressure discharge lamp, high pressure discharge lamp lighting apparatus and luminaire therefor | Hisashi Honda, Sadao Sakuguchi, Seiji Ashida, Shigemi Oku, Takahito Kashiwagi | 2003-12-09 |
| D482142 | Lamp bulb | Hisashi Honda, Sadao Sakaguchi | 2003-11-11 |