Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12117665 | Optical device actuator and lens barrel provided with same | Takeshi Sakakibara, Makoto Umeda, Naoki Yoshikawa, Tetsuya Morita | 2024-10-15 |
| 9541369 | Position detection device, drive device, and lens barrel | Makoto Umeda, Kenichi Miyamori | 2017-01-10 |