Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7852734 | Recording and playback apparatus and optical head | Noriaki Nishi, Motoi Kimura, Kenji Yamamoto, Masatoshi Nishino | 2010-12-14 |
| 7230903 | Recording and playback apparatus and optical head including a variable optical coupling efficiency device | Noriaki Nishi, Motoi Kimura, Kenji Yamamoto, Masatoshi Nishino | 2007-06-12 |
| 7231646 | Disk-drive device | Mitsuyoshi Kawaguchi, Naoki Inoue, Takuji Nakamura | 2007-06-12 |