Issued Patents All Time
Showing 51–54 of 54 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7029602 | Inorganic oxide and phosphor | — | 2006-04-18 |
| 7023019 | Light-emitting semiconductor device, light-emitting system and method for fabricating light-emitting semiconductor device | Toshihide Maeda, Katsuaki Iwama, Hiromi Kitahara, Tadaaki Ikeda, Hidenori Kamei +2 more | 2006-04-04 |
| 6740262 | Light-transmitting sintered body, light-emitting tube and electric discharge lamp using same | — | 2004-05-25 |
| 5879586 | Method for producing aluminate phosphor | Koji Kitamura, Teruaki Shigeta, Shigeru Horii, Takeshi Nishiura, Tomizo Matsuoka | 1999-03-09 |