Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7307674 | Back light unit for liquid crystal display device and method for manufacturing the unit | Takeshi Kitamura | 2007-12-11 |
| 7173677 | Back light unit for liquid crystal display device and method for manufacturing the unit | Takeshi Kitamura | 2007-02-06 |
| 5595718 | Process for producing a crystalline silicon nitride powder | Tetsuo Yamada, Takeshi Yamao, Hideo Nakamura, Tadayuki Mitani | 1997-01-21 |