Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4663563 | Halophosphate phosphor and fluorescent lamp using the same | Akira Taya, Kazuo Narita, Keiji Hatakeyama | 1987-05-05 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4663563 | Halophosphate phosphor and fluorescent lamp using the same | Akira Taya, Kazuo Narita, Keiji Hatakeyama | 1987-05-05 |