Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6813235 | Optical pickup apparatus an optical axis correcting element | Hitoshi Furuhata, Tomotaka Nishimura, Nobuo Ishida | 2004-11-02 |
| 6333818 | Optical pickup device | Akira Miura | 2001-12-25 |
| 5910937 | Optical pickup apparatus and identification apparatus for identifying the type of optical record medium | Akira Miura | 1999-06-08 |
| 5757742 | Optical pickup apparatus for optical record media and identification apparatus for identifying the type of optical record media | Akira Miura | 1998-05-26 |
| 5663841 | Optical pickup device having a magnetic circuit whose poles are configured along a common path within one pole within a focus coil | Osamu Ueda, Masayuki Koyama, Shigeyuki Sasanuma | 1997-09-02 |
| 5629809 | Optical pickup for reproducing information on a disc | Toshihiko Kurihara, Osamu Ueda, Shinichi Takahashi | 1997-05-13 |
| 5287337 | Optical pickup having flexible wiring plate with focusing effective length which eliminates plate restoring force induce pickup tilt during focusing | Yoshitsugu Araki, Toshihiko Kurihara | 1994-02-15 |
| 5146441 | Supporting device of an optical pickup | Yoshitsugu Araki, Toshihiko Kurihara | 1992-09-08 |
| 5105418 | Disk drive with means to play either side of a disk | Isami Kenmotsu, Yoshihisa Itoh, Toshihiko Kurihara, Yositsugu Araki, Tadashi Funabashi | 1992-04-14 |
| 4637004 | Optical data reading device | Yoshitsugu Araki | 1987-01-13 |
| 4545003 | Pick-up device positioning arrangement in an information disc player | Hiroyuki Hirano, Toshihiko Kurihara, Yositsugu Araki | 1985-10-01 |