Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9225139 | Discharge-pumped gas laser device | Akihiko KUROSU, Junichi Fujimoto, Takashi Matsunaga, Osamu Wakabayashi | 2015-12-29 |
| 9059554 | Discharge-pumped gas laser device | Akihiko KUROSU, Junichi Fujimoto, Takashi Matsunaga, Osamu Wakabayashi | 2015-06-16 |
| 8549549 | Optical disk device having an air flow shielding portion | Koji Matsumoto | 2013-10-01 |
| 8332879 | Optical disk drive | Koji Matsumoto, Seiji Hamaie | 2012-12-11 |
| 8181190 | Optical disc apparatus | Koji Matsumoto | 2012-05-15 |
| 7877761 | Optical disc apparatus | Koji Matsumoto, Shinsuke Takatsuka | 2011-01-25 |
| 7725908 | Optical disk apparatus | Nozomu Harada, Shinsuke Takatsuka | 2010-05-25 |