Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12191634 | Semiconductor laser element | Kazuya Yamada, Hiroki Nagai, Masayuki Hata | 2025-01-07 |
| 11710941 | Semiconductor laser element | Masayuki Hata | 2023-07-25 |
| 11437780 | Semiconductor laser device, semiconductor laser module, and welding laser light source system | Norio Ikedo, Takahiro OKAGUCHI, Takeshi Yokoyama, Tomohito Yabushita, Toru Takayama | 2022-09-06 |
| 11322908 | Nitride light emitter | Toru Takayama, Tohru Nishikawa, Katsuya Samonji, Takashi Kano, Shinji Ueda | 2022-05-03 |
| 10985533 | Semiconductor laser device, semiconductor laser module, and laser light source system for welding | Takahiro OKAGUCHI, Norio Ikedo, 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 | Norio Ikedo, Takahiro OKAGUCHI, Takeshi Yokoyama, Tomohito Yabushita, Toru Takayama | 2021-04-06 |
| 10680414 | Nitride-based light-emitting device | Toru Takayama, Takashi Kano, Katsuya Samonji | 2020-06-09 |
| 7653104 | Semiconductor laser device | Yasuhiro Fujimoto, Toru Takayama, Isao Kidoguchi | 2010-01-26 |