Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11007629 | Gas combustion type driving tool | Yu Yamamoto, Eiichi Watanabe, Mitsuhiro Kimura | 2021-05-18 |
| 10940579 | Driving tool | Eiichi Watanabe, Yu Yamamoto, Mitsuhiro Kimura | 2021-03-09 |
| 10898997 | Driving tool | Yu Yamamoto, Eiichi Watanabe, Mitsuhiro Kimura | 2021-01-26 |