Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5136208 | Metal halide lamp maintaining a high lumen maintenance factor over an extended operation period | Hiromichi Kawashima, Kazuo Honda, Yasuki Mori, Masakazu Shibuya, Mamoru Furuya | 1992-08-04 |
| 4835442 | Lamp for generating ultraviolet radiation | Takahiro Sugimoto, Hiroki Sasaki, Akihiro Yonezawa | 1989-05-30 |