Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11169183 | Current sensor | Daisuke Nakagawa, Koki Sugihara | 2021-11-09 |
| 8275994 | Information storage apparatus and password collation method | Takeshi Funahashi, Sakiko Nagato | 2012-09-25 |
| 5742435 | Video-camera imaging-system zoom lens barrel | Kenichi Hamada, Koji Okajima, Kenji Hirano | 1998-04-21 |