Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7599106 | Optical mask and MOPA laser apparatus including the same | Osamu Matsumoto, Toshiyuki Kawashima | 2009-10-06 |
| 7502396 | Solid-state laser apparatus | Toshiyuki Kawashima, Sadao Nakai, Hirofumi Kan | 2009-03-10 |