Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7112956 | Method of generating an index signal with reduced parts | Akira Shibata | 2006-09-26 |
| 6891293 | Flexible disk drive with a gap between a main frame and a permanent magnet of a rotor so that the rotor does not fall although the rotor is upended to a stator | Akira Shibata | 2005-05-10 |
| 6769925 | Male connector terminal | Akira Shibata | 2004-08-03 |
| 6765754 | Flexible disk drive comprising an index detection hall element having an improved detection sensitive condition of a magnetic field | Akira Shibata | 2004-07-20 |
| 6574069 | Floppy disk drive control apparatus for inhibiting a seek operation when a floppy disk is not loaded in a floppy disk drive | Shinya Koseki | 2003-06-03 |
| 6515821 | Floppy disk drive control apparatus capable of ensuring seek operation using a stepping motor having a low torque | Masaki Kato, Hideaki Hayasaka, Koichi Seno | 2003-02-04 |
| 6429618 | Index signal generator | Akira Shibata | 2002-08-06 |
| 6351093 | Floppy disk drive control apparatus capable of ensuring seek operation using a stepping motor having a low torque | Masaki Kato, Hideaki Hayasaka, Koichi Seno | 2002-02-26 |
| 6150651 | Photointerrupter driving circuit capable of decreasing the number of parts | Akira Shibata, Koichi Seno | 2000-11-21 |
| 5952800 | Integrated circuit for a flexible disk drive capable of always recognizing a correct function | Akira Shibata, Koichi Seno | 1999-09-14 |
| 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 | Koichi Seno | 1997-08-26 |
| 5397186 | Bearing structure for rotating shaft | Takashi Watanabe, Yoshiaki Aboshi, Hiroyuki Saito | 1995-03-14 |