Issued Patents All Time
Showing 26–41 of 41 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6971114 | Optical pickup device and recording and/or reproducing device | Hideo Nagasaka | 2005-11-29 |
| 6880163 | Optical pickup device and recording and/or reproducing device | Hideo Nagasaka | 2005-04-12 |
| 6836460 | Disk drivingly rotating device with centering mechanism | Hideo Nagasaka, Renji Tamura | 2004-12-28 |
| 6430143 | Optical pickup device and optical disc recording and/or reproducing apparatus | Yoshihiro Kajiyama, Junzo Kumakura, Toshiyuki Kuroiwa, Hideo Nagasaka, Kaneshiro Kondo +5 more | 2002-08-06 |
| 6421191 | Apparatus for driving an objective lens | Hideo Nagasaka | 2002-07-16 |
| 6301219 | Device of loading recording medium | Takashi Kondo, Shinji Ito | 2001-10-09 |
| 5872765 | Disc loading device | — | 1999-02-16 |
| 5859827 | Movement apparatus and recording/reproducing apparatus | — | 1999-01-12 |
| 5859832 | Recording and/or reproducing apparatus with disc stocker and transport | — | 1999-01-12 |
| 5757740 | Recording and/or reproducing apparatus using cartridges within which recording media are accommodated and loading device for cartridge | — | 1998-05-26 |
| 5717681 | Movement apparatus and recording/reproducing apparatus | — | 1998-02-10 |
| 5335218 | Disc loading transfer mechanism for plural disc changer | — | 1994-08-02 |
| 5247408 | Disc chucking apparatus | Fumio Horie | 1993-09-21 |
| 4568989 | Mode changing apparatus for a tape recorder | Kenji Ohhara, Yoshinori Yamamoto, Masao Ri, Hisanori Watanabe | 1986-02-04 |
| 4547823 | Mode changing apparatus | Masao Ri, Kenji Ohhara, Yoshinori Yamamoto, Akira Takada, Hisanori Watanabe | 1985-10-15 |
| 4395778 | Undesired signal canceller | Takeo Nakagawa, Kimitake Utsunomiya | 1983-07-26 |