Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9618245 | Ejector | Yoshiyuki Yokoyama, Haruyuki Nishijima, Etsuhisa Yamada | 2017-04-11 |
| 9512858 | Ejector | Haruyuki Nishijima, Etsuhisa Yamada, Hideya Matsui, Kenta Kayano, Yoshiyuki Yokoyama +1 more | 2016-12-06 |