Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5989455 | Aluminate phosphor, process for preparing the same, and vacuum ultraviolet-excited light emitting device | Takayuki Hisamune | 1999-11-23 |
| 5611959 | Aluminate phosphor | Naoto Kijima, Yasuo Shimomura, Chisato Miura, Takayuki Hisamune, Koichi Toriumi | 1997-03-18 |