Issued Patents 2020
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10832882 | Electric circuit breaker device | Ryohei Yamada, Toshiyuki Sakai | 2020-11-10 |
| 10806863 | Needleless syringe | Ryohei Yamada, Yuzo Yamamoto | 2020-10-20 |
| 10685799 | Electric circuit breaker device | Toshiyuki Sakai | 2020-06-16 |