Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12155177 | External resonator-type semiconductor laser device | Takashi Sekine, Yoshinori Kato, Norio Kurita, Toshiyuki Kawashima | 2024-11-26 |
| 9882354 | Semiconductor laser device | Hirofumi Kan | 2018-01-30 |
| 8477824 | Semiconductor laser apparatus having collimator lens and path rotator | Hirofumi Kan, Xin Gao | 2013-07-02 |
| 7733570 | Condenser | Hirofumi Miyajima, Hirofumi Kan | 2010-06-08 |
| 7693206 | Semiconductor laser device including laser array or stack first collimator, path rotator, and an optical element | Hirofumi Kan, Xin Gao | 2010-04-06 |
| 7622694 | Laser beam machine | Hirofumi Kan, Syunichi Gonda, Hirofumi Miyajima | 2009-11-24 |
| 7586968 | Heater-attached alkali-encapsulated cell and alkali laser apparatus | Minoru Niigaki, You Wang, Hirofumi Kan | 2009-09-08 |
| 7489447 | Optical condenser device | Hirofumi Miyajima, Hirofumi Kan | 2009-02-10 |
| 7424044 | Semiconductor laser device | Hirofumi Kan | 2008-09-09 |
| 7197058 | Semiconductor laser apparatus | Xin Gao | 2007-03-27 |