Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D821577 | Retractor | Toshihiko Shibata, Haruhiko Yamasaki, Katsunori Mitsuhashi | 2018-06-26 |
| D819810 | Retractor | Toshihiko Shibata, Haruhiko Yamasaki, Katsunori Mitsuhashi | 2018-06-05 |