Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8035328 | State memorizing device for movable member | Kohei Noda, Soichiro Hozumi | 2011-10-11 |
| 6559616 | Rotational pulse generating circuit for motors | Koji Aoki, Nobuyasu Kimura, Hitoshi Ishikawa | 2003-05-06 |
| 6456028 | Pulse generating circuit for driving DC motor | Koji Aoki, Hitoshi Ishikawa | 2002-09-24 |
| 6326757 | Rotational pulse generating circuit for commutator DC motors | Kohji Aoki, Hitoshi Ishikawa | 2001-12-04 |
| 6320341 | Control device for movable member | Toshimitsu Oka, Kohji Aoki, Hitoshi Ishikawa | 2001-11-20 |
| 6172473 | Device for determining rotational number of DC motors | Toshimitsu Oka, Koji Aoki, Hitoshi Ishikawa | 2001-01-09 |