Issued Patents 2004
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6800970 | Motor and optical apparatus using the same | — | 2004-10-05 |
| 6798093 | Dual coil permanent magnet motor having inner annular member | — | 2004-09-28 |
| 6719463 | Drive apparatus, light quantity adjusting apparatus, and lens drive apparatus | — | 2004-04-13 |
| 6713985 | Drive control apparatus for stepping motor | — | 2004-03-30 |
| 6710563 | Driving device, light amount controller and shutter | Masao Mizumaki | 2004-03-23 |