Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8887183 | Optical disc device and lens cleaner | Tomio Yamamoto, Akihiko Nishioka, Masahiro Inagaki | 2014-11-11 |
| 8584151 | Optical disc driving device | Ryo Matsubara, Kazuhiro Yamamoto, Yasuyuki Torii | 2013-11-12 |
| 8488421 | Lens cleaner and optical disc device | Takuya Wada | 2013-07-16 |
| 8146116 | Disk device having a clamper restricting member | Hideto Soga, Tomio Yamamoto, Tadashi Maeoka | 2012-03-27 |
| 6792614 | Optical disk apparatus and method of installing its spindle motor | Yoshihiko Yamada, Yasuhide Saito | 2004-09-14 |
| 5751687 | Disk loading apparatus | Yuji Ariyoshi | 1998-05-12 |
| 5224089 | Digital signal information reproduction apparatus | Masayoshi Nakamura | 1993-06-29 |
| 5199019 | Digital signal information reproduction apparatus enabling recording medium subsitution during reproduction of a prior recording medium | Masayoshi Nakamura | 1993-03-30 |