Issued Patents 2004
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6815871 | Drive mechanism and drive method employing circuit for generating saw-tooth waveform voltage | Tomoyuki Yuasa | 2004-11-09 |
| 6803699 | Drive mechanism employing electromechanical transducer and drive method therefor | Tomoyuki Yuasa | 2004-10-12 |
| 6727635 | Driving device | Yasuhiro Okamoto, Haruyuki Nakano | 2004-04-27 |
| 6717329 | Drive mechanism employing electromechanical transducer and method for controlling the drive mechanism | Junichi Tanii, Yasuhiro Okamoto, Tomoyuki Yuasa | 2004-04-06 |