Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4725298 | Method for making low pressure mercury vapor discharge lamp | Takao Takeda, Hitoshi Yamazaki, Yoshiteru Taniguchi, Hiroshi Ito, Minoru Uchida +1 more | 1988-02-16 |
| 4703227 | Low pressure mercury vapor discharge lamp and preparation thereof | Takao Takeda, Hitoshi Yamazaki, Yoshiteru Taniguchi, Hiroshi Ito, Minoru Uchida +1 more | 1987-10-27 |
| 4559470 | Fluorescent discharge lamp | Katsuo Murakami, Hitoshi Yamazaki, Hiroshi Ito | 1985-12-17 |