Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8979274 | Display device | — | 2015-03-17 |
| 7420892 | Optical head device, and optical recording/reproducing device | Tetsu Watanabe, Kenji Yamamoto, Masahiro Yamada, Tadashi Taniguchi | 2008-09-02 |
| 7064906 | Optical pickup device with shielding to limit incident or emitted light | Masahiro Yamada, Takahiro Miura, Tetsu Watanabe, Sunao Aoki | 2006-06-20 |
| 6898027 | Optical element and manufacturing method for same | Masahiro Yamada, Takahiro Miura, Tetsu Watanabe, Sunao Aoki | 2005-05-24 |
| 6522621 | Disc cassette | Kiyoshi Ohmori, Sunao Aoki, Takatsugu Funawatari | 2003-02-18 |
| 6314076 | Optical pickup device in recording and/reproducing apparatus | Shizuo Arai, Yoshitaka Aoki, Akio Matsuda, Kiyoshi Ohmori, Sunao Aoki +1 more | 2001-11-06 |
| 6272092 | Recording and reproducing apparatus with lock and release mechanism | Shizuo Arai, Yoshitaka Aoki, Akio Matsuda, Kiyoshi Ohmori, Sunao Aoki +1 more | 2001-08-07 |
| 6188661 | Recording and reproducing apparatus having elevation mechanism | Shizuo Arai, Yoshitaka Aoki, Akio Matsuda, Kiyoshi Ohmori, Sunao Aoki +1 more | 2001-02-13 |
| 6154431 | Recording and reproducing apparatus | Shizuo Arai, Yoshitaka Aoki, Akio Matsuda, Kiyoshi Ohmori, Sunao Aoki +1 more | 2000-11-28 |
| 6046976 | Disc cartridge with grooves for a recording and reproducing apparatus | Shizuo Arai, Yoshitaka Aoki, Akio Matsuda, Kiyoshi Ohmori, Sunao Aoki +1 more | 2000-04-04 |
| 6021108 | Optical pickup device in recording and/reproducing apparatus | Shizuo Arai, Yoshitaka Aoki, Akio Matsuda, Kiyoshi Ohmori, Sunao Aoki +1 more | 2000-02-01 |