Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11437780 | Semiconductor laser device, semiconductor laser module, and welding laser light source system | Tougo Nakatani, Takahiro OKAGUCHI, Takeshi Yokoyama, Tomohito Yabushita, Toru Takayama | 2022-09-06 |
| 11171465 | Submount for semiconductor laser device on heat assisted recording device | Shinichi Ijima, Kazumasa Nagano | 2021-11-09 |
| 10985533 | Semiconductor laser device, semiconductor laser module, and laser light source system for welding | Tougo Nakatani, Takahiro OKAGUCHI, Takeshi Yokoyama, Tomohito Yabushita, Toru Takayama +1 more | 2021-04-20 |
| 10971897 | Semiconductor laser device, semiconductor laser module, and laser light source system for welding | Tougo Nakatani, Takahiro OKAGUCHI, Takeshi Yokoyama, Tomohito Yabushita, Toru Takayama | 2021-04-06 |
| 9897286 | Phosphor optical element and light-emitting device using the same | Kazuhiko Yamanaka | 2018-02-20 |
| 9605832 | Phosphor optical element and light-emitting device using the same | Kazuhiko Yamanaka | 2017-03-28 |
| 8189637 | Semiconductor light-emitting device and method for manufacturing the same | Hideki Kasugai | 2012-05-29 |
| 8119429 | Method for fabricating nitride semiconductor laser device and nitride semiconductor laser device | Satoshi Tamura, Hiroshi Ohno, Masao Kawaguchi | 2012-02-21 |
| 8000365 | Semiconductor laser device | Masao Kawaguchi, Masaaki Yuri | 2011-08-16 |
| 7720124 | Semiconductor device and fabrication method thereof | Satoshi Tamura | 2010-05-18 |
| 7613218 | Self-pulsation nitride semiconductor laser device and method for fabricating the same | Satoshi Tamura | 2009-11-03 |
| 7456034 | Nitride semiconductor device and method for fabricating the same | Yasuyuki Fukushima, Masaaki Yuri | 2008-11-25 |
| 7320898 | Semiconductor laser device and method for fabricating the same | Satoshi Tamura | 2008-01-22 |