Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6515821 | Floppy disk drive control apparatus capable of ensuring seek operation using a stepping motor having a low torque | Masaki Kato, Hideaki Hayasaka, Yoshihito Otomo | 2003-02-04 |
| 6351093 | Floppy disk drive control apparatus capable of ensuring seek operation using a stepping motor having a low torque | Masaki Kato, Hideaki Hayasaka, Yoshihito Otomo | 2002-02-26 |
| 6150651 | Photointerrupter driving circuit capable of decreasing the number of parts | Akira Shibata, Yoshihito Otomo | 2000-11-21 |
| 6028740 | Structure for preventing head judder of magnetic disk drive | Makoto Konno, Hisashi Shibata | 2000-02-22 |
| 5952800 | Integrated circuit for a flexible disk drive capable of always recognizing a correct function | Akira Shibata, Yoshihito Otomo | 1999-09-14 |
| 5946162 | DD motor in magnetic disk drive | Makoto Konno, Hisashi Shibata | 1999-08-31 |
| 5912789 | Cramping structure of guide bar for head carriage in magnetic disk drive | Makoto Konno, Hisashi Shibata | 1999-06-15 |
| 5805378 | Magnetic disk drive of a structure capable of being lightened in weight | Makoto Konno, Hisashi Shibata, Hisateru Komatsu, Makoto Takahashi, Akira Shibata +2 more | 1998-09-08 |
| 5661389 | Compact circuit for controlling a floppy disk driver | Yoshihito Otomo | 1997-08-26 |
| 5648883 | Disc drive having positional shift adjustment | Hiroshi Sampei, Kouichi Hosoya, Kenji Katoh, Masashi Sato, Mitsutoshi Ohizumi +4 more | 1997-07-15 |
| 5630008 | Control circuit for driving motor with reduced power consumption and disk unit having the control circuit | Yoshihiro Okuyama | 1997-05-13 |