Issued Patents 2016
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9409257 | Wire for I-shape oil rings and producing method of the same | Makoto Sasaki, Tomoyuki Satoh | 2016-08-09 |
| 9267461 | Wire for I-shape oil rings and producing method of the same | Makoto Sasaki, Tomoyuki Satoh | 2016-02-23 |