Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4663563 | Halophosphate phosphor and fluorescent lamp using the same | Akira Taya, Yasuhiko Hagiwara, Keiji Hatakeyama | 1987-05-05 |
| 4527087 | Fluorescent lamp | Akira Taya, Jun Akiyama, Masao Asada, Hisami Nira | 1985-07-02 |
| 4500443 | Blue-green emitting halophosphate phosphor | Akira Taya, Masao Asada, Yoshio Kimura | 1985-02-19 |
| 4397885 | Method and apparatus for treating fluorescent substance | Yoshimi Akai, Akira Taya, Leo Mori, Masahiko Hirose | 1983-08-09 |