Issued Patents All Time
Showing 26–32 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7778135 | Optical recording medium, method for recording/reproducing information to/from optical recording medium and apparatus for recording/reproducing information | Shinichi Kadowaki, Osamu Kajino, Masanari Mohri | 2010-08-17 |
| 7778140 | Optical head device and optical information device | Kousei Sano, Takayuki Nagata, Hideki Aikoh, Fumitomo Yamasaki | 2010-08-17 |
| 7773468 | Optical head and optical information recorder/reproducer | Fumitomo Yamasaki, Eishin Mori, Hideki Aikoh, Akihiro Arai | 2010-08-10 |
| 7656775 | Optical head, and information recording-and-regeneration apparatus | Eishin Mori, Akihiro Arai, Fumitomo Yamasaki | 2010-02-02 |
| RE40895 | Optical head and apparatus for and method of storing and reproducing optical information | Hideki Hayashi | 2009-09-01 |
| 6680894 | Optical head and apparatus for and method of storing and reproducing optical information | Hideki Hayashi | 2004-01-20 |
| 6278669 | Objective lens driving apparatus | Akihiro Yasuda | 2001-08-21 |