Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12308607 | Semiconductor laser element, method for manufacturing same, and semiconductor laser device | Motoharu Miyashita, Takehiro Nishida | 2025-05-20 |
| 9171760 | Method of manufacturing semiconductor device | Masato Negishi | 2015-10-27 |
| 8457451 | Semiconductor optical element | Takeshi Yamatoya, Yoshimichi Morita | 2013-06-04 |
| 7876799 | Integrated semiconductor optical device | Takeshi Yamatoya | 2011-01-25 |
| 7855096 | Method for manufacturing semiconductor device | Toru Takiguchi | 2010-12-21 |
| 7816160 | Manufacturing method for semiconductor device | Takashi Nagira | 2010-10-19 |
| 7720123 | Buried type semiconductor laser | Tohru Takiguchi | 2010-05-18 |
| 7656921 | Semiconductor laser device and method for manufacturing the same semiconductor laser device | — | 2010-02-02 |
| 7550304 | Method for manufacturing semiconductor laser element | Takashi Nagira | 2009-06-23 |
| 7544535 | Method for manufacturing semiconductor laser element | Toru Ota, Takashi Nagira | 2009-06-09 |
| 7298769 | Semiconductor laser | Masayoshi Takemi, Yuichiro Okunuki | 2007-11-20 |
| 6803597 | Semiconductor light-emitting device using graded multi quantum barrier | Yoshihiko Hanamaki | 2004-10-12 |