Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8654810 | Light-emitting device and method of manufacturing the same | Hiroyuki Fukasawa, Yuichi Hamaguchi, Takeharu Asano, Noriyuki Banno | 2014-02-18 |
| 6614820 | Semiconductor laser driving method and optical disc apparatus | Shoji Hirata | 2003-09-02 |
| 6580737 | Semiconductor laser driving method and optical disc apparatus | Shoji Hirata | 2003-06-17 |
| 6567440 | Semiconductor laser driving method and optical disc apparatus | Shoji Hirata | 2003-05-20 |
| 5428232 | Field effect transistor apparatus | Mitsuhiro Hika, Shinichi Tanaka, Hidemi Takakuwa | 1995-06-27 |
| 4985597 | Optical semiconductor device | Takeshi Sekiguchi, Nobuo Shiga | 1991-01-15 |
| 4955683 | Apparatus and a method for coupling an optically operative device with an optical fiber | Nobuo Shiga, Takeshi Sekiguchi | 1990-09-11 |