Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8823033 | Nitride semiconductor ultraviolet light-emitting device | Shuichiro Yamamoto, Masataka Ohta | 2014-09-02 |
| 8212467 | Light emitting device | Makoto Sawamura, Shigetoshi Ito | 2012-07-03 |
| 7816162 | Semiconductor device manufacturing method | Katsuhiko Kishimoto | 2010-10-19 |
| 7760783 | Semiconductor device such as semiconductor laser device and manufacturing method therefor, and optical transmission module and optical disk unit employing the semiconductor laser device | Katsuhiko Kishimoto | 2010-07-20 |
| 7537945 | Semiconductor laser device and method of manufacturing the same, and optical transmission module and optical disk apparatus using the semiconductor laser device | Katsuhiko Kishimoto | 2009-05-26 |
| 7123641 | Semiconductor laser device and optical disc unit | Hidenori Kawanishi, Katsuhiko Kishimoto | 2006-10-17 |
| 7098064 | Semiconductor laser device and its manufacturing method, and optical disc reproducing and recording apparatus | — | 2006-08-29 |
| 7035304 | Semiconductor laser device and optical disk recording and reproducing apparatus | — | 2006-04-25 |
| 6813299 | Semiconductor laser device and optical disk reproducing and recording apparatus | Hidenori Kawanishi, Yoshie Fujishiro | 2004-11-02 |
| 6775311 | Semiconductor laser device and optical disk recording and reproducing apparatus | — | 2004-08-10 |
| 6670643 | Semiconductor laser device and its manufacturing method, and optical disc reproducing and recording apparatus | — | 2003-12-30 |