Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11492226 | Method of transporting members and conveying apparatus | Naoki Hirai, Akinori Tomioka | 2022-11-08 |
| 9273771 | Method for manufacturing multi-stage gear, and multi-stage gear | Hirofumi Inoshita, Koji Shimoda, Akinori Tomioka, Toshiaki Masui, Hironori Aoyama | 2016-03-01 |