Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6007210 | Discharge lamp device having a light distribution compound lens | Noboru Yamamoto, Kenji Yoneima, Masamichi Ishikawa, Hiroaki Okuchi | 1999-12-28 |
| 5755505 | Light source assembly and bulb unit therefor | — | 1998-05-26 |
| 5488545 | Lighting fixture control apparatus for vehicle | Hideyuki Kato, Ryoichi Sugawara, Yasutoshi Horii | 1996-01-30 |