Issued Patents All Time
Showing 26–50 of 61 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6285484 | Rotation detecting system for galvano mirror | Toshio Nakagishi | 2001-09-04 |
| 6278682 | Optical system for optical disc drive | Hiroshi Nishikawa | 2001-08-21 |
| 6249500 | Disk loading system for a magneto-optical disk drive | Hiroshi Kanazawa, Shimpei Shinozaki, Isao Okuda | 2001-06-19 |
| 6243333 | Magneto-optical disk drive | Hiroshi Kanazawa, Shimpei Shinozaki, Isao Okuda, Takeharu Shin | 2001-06-05 |
| 6018393 | Evaluating system for a dual focus lens | Toshiyuki Kase | 2000-01-25 |
| 6011673 | Vertical positioning system for a magnetic head base | Hiroshi Kanazawa, Shimpei Shinozaki, Isao Okuda, Takeharu Shin | 2000-01-04 |
| 5995333 | Positioning a magnetic head base of a magneto-optical disk drive | Hiroshi Kanazawa, Shimpei Shinozaki, Isao Okuda | 1999-11-30 |
| 5970037 | Magneto-optical disk apparatus | Hiroshi Kanazawa, Shimpei Shinozaki, Isao Okuda | 1999-10-19 |
| 5959956 | Loading drive mechanism for disk drive | — | 1999-09-28 |
| 5956214 | Magnetic head drive mechanism in photo-electro-magnetic disk drive device | Shimpei Shinozaki | 1999-09-21 |
| 5933291 | Magnetic head carriage locking system for magneto-optical disk drive | Hiroshi Kanazawa, Shimpei Shinozaki, Isao Okuda, Takeharu Shin | 1999-08-03 |
| 5920140 | Galvano mirror unit | Toshio Nakagishi, Hiroshi Yamamoto | 1999-07-06 |
| 5905696 | Magneto-optical disk drive | Hiroshi Kanazawa, Shimpei Shinozaki, Isao Okuda, Takeharu Shin | 1999-05-18 |
| 5768241 | Shutter operating mechanism for magneto-optical disk drive | Hiroshi Kanazawa, Shimpei Shinozaki, Isao Okuda, Takeharu Shin | 1998-06-16 |
| 5701216 | Shutter mechanism for disk drive cartridge insertion opening | Hiroshi Yamamoto, Shimpei Shinozaki | 1997-12-23 |
| 5617379 | Magneto-optical disk apparatus utilizing a leakage magnetic field from a magnetic driving mechanism | Shimpei Shinozaki, Hiroshi Yamamoto | 1997-04-01 |
| 5617387 | Optical system for optical information recording/reproducing apparatus | Takashi Morita, Isao Okuda | 1997-04-01 |
| 5608709 | Beam splitter arrangement for magneto-optical recording device | Isao Okuda, Shimpei Shinozaki, Hiroshi Kanazawa | 1997-03-04 |
| 5600494 | Objective lens system of an optical disk device | Wataru Kubo, Koichi Maruyama | 1997-02-04 |
| 5592447 | Control device for head unit having optical head and multiple magnetic heads | — | 1997-01-07 |
| 5587973 | Magneto-optical disk drive system with magnetic head retracting mechanism and manual cartridge ejecting mechanism | Hiroshi Kanazawa, Isao Okuda, Shimpei Shinozaki | 1996-12-24 |
| 5577008 | Magneto-optical disk drive system | Hiroshi Kanazawa, Isao Okuda, Shimpei Shinozaki | 1996-11-19 |
| 5544144 | Optical head structure having compactly arranged parts | Isao Okuda, Takashi Morita | 1996-08-06 |
| 5513159 | Device for selecting magnetic head to be operated together with an optical head | — | 1996-04-30 |
| 5477386 | Optical system for optical disc apparatus including anamorphic prisms | Isao Okuda, Masahiro Oono, Koichi Maruyama, Masato Noguchi | 1995-12-19 |