Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11045926 | Impact tool | Ryunosuke Kumagai, Tokuo HIRABAYASHI, Manabu Sugimoto | 2021-06-29 |
| 10906163 | Power tool | Ryunosuke Kumagai, Koji Tsukamoto, Tomonori Kawase, Kosuke Ito, Tokuo HIRABAYASHI +1 more | 2021-02-02 |