Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10821577 | Power tool | Ryunosuke Kumagai, Akira Tomonaga | 2020-11-03 |
| 10663037 | Helical gear device | Hiroshi Yorita, Taketsugu Sasaki, Kenichiro Tsukamoto, Manabu Hashimoto | 2020-05-26 |