Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4208611 | Fluorescent lamp containing a green emitting rare earth silicate coactivated phosphor | Minoru Watanabe, Toshio Nishimura, Tadao Omi, Kotaro Koomoto, Kenichi Shimizu | 1980-06-17 |
| 4199707 | Fluorescent lamp | Junetsu Akiyama, Takayoshi Fuchida, Akira Taya, Kazunori Nagafuchi, Kohtaro Kohmoto | 1980-04-22 |