Issued Patents 1997
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |