Issued Patents 2022
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11365800 | Lubrication device for helicopter | Yuji Yamazaki, Masatoshi Matsumoto, Kenta Ogasawara | 2022-06-21 |
IF
Isao Fujii
Overall (2022): #422,406 of 548,613Top 80%
1
Patents 2022