Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4208611 | Fluorescent lamp containing a green emitting rare earth silicate coactivated phosphor | Minoru Watanabe, Toshio Nishimura, Kotaro Koomoto, Tomohiko Kobuya, Kenichi Shimizu | 1980-06-17 |