Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11411277 | Battery pack, power tool, and battery pack and power tool set | Tomomasa Nishikawa, Mitsutaka Sakamoto | 2022-08-09 |
| 9486867 | Chainsaw | Yasuo Etou, Kouji Sagawa, Miyoji Onose, Yasutaka Shimizu, Ai Nakayama | 2016-11-08 |
| 9381665 | Chainsaw | Miyoji Onose, Kouji Sagawa, Yasuo Etou, Ai Nakayama, Yasutaka Shimizu | 2016-07-05 |
| 9044875 | Chain saw | Yasutaka Shimizu, Kouji Sagawa, Yasuo Etou, Ai Nakayama, Miyoji Onose | 2015-06-02 |
| 7681661 | Electric power tool | Masato Sakai, Masanori Watanabe, Chikai Yoshimizu | 2010-03-23 |
| 7665541 | Electric power tool with cover | Masato Sakai, Masanori Watanabe, Chikai Yoshimizu | 2010-02-23 |
| 7108079 | Electric power tool | Masato Sakai, Masanori Watanabe, Chikai Yoshimizu | 2006-09-19 |