Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10335132 | Retractor | Haruhiko Yamasaki, Katsunori Mitsuhashi, Yoshiro Morishita | 2019-07-02 |
| D790694 | Retractor | Haruhiko Yamasaki, Katsunori Mitsuhashi, Yoshiro Morishita | 2017-06-27 |