Issued Patents 2019
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10491148 | Electric working machine | Yoshitaka Ichikawa, Ryunosuke Kumagai | 2019-11-26 |
| 10478950 | Power tool | Hidenori Nagasaka, Ryunosuke Kumagai, Koji Tsukamoto, Tomonori Kawase, Kosuke Ito +1 more | 2019-11-19 |
| 10343268 | Rotary impact tool | Ryunosuke Kumagai, Takeshi Nishimiya, Goshi Ishikawa, Takuya Kusakawa | 2019-07-09 |
| 10322498 | Electric power tool | Goshi Ishikawa, Ryunosuke Kumagai, Takuya Kusakawa, Yoshitaka Ichikawa | 2019-06-18 |
| 10213907 | Impact tool | Ryunosuke Kumagai, Hidenori Nagasaka, Manabu Sugimoto | 2019-02-26 |
| 10213912 | Impact tool | Ryunosuke Kumagai | 2019-02-26 |