Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4827176 | Metal vapor discharge lamp with radioactively impregnated ceramic material body | Kazuo Honda, Akihiro Kamiya | 1989-05-02 |
| 4799135 | Headlight for vehicle | Nobuyoshi Kuno, Hiroyoshi Takanishi, Hiroki Sasaki | 1989-01-17 |