Issued Patents 2019
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10395505 | Communicator, electric working machine, and communication method | Masaaki Fukumoto | 2019-08-27 |
| 10343268 | Rotary impact tool | Tokuo HIRABAYASHI, Ryunosuke Kumagai, Takeshi Nishimiya, Goshi Ishikawa | 2019-07-09 |
| 10322498 | Electric power tool | Goshi Ishikawa, Ryunosuke Kumagai, Yoshitaka Ichikawa, Tokuo HIRABAYASHI | 2019-06-18 |