Issued Patents 2017
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9791045 | Oil ring | Masaki Fukuma, Hiroaki Muranaka, Shuji Takuma | 2017-10-17 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9791045 | Oil ring | Masaki Fukuma, Hiroaki Muranaka, Shuji Takuma | 2017-10-17 |