Issued Patents 2016
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |