Issued Patents 2020
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10626991 | Segment, combination oil ring, and manufacturing method for a segment | Atsushi Nakazawa, Hironori Fujita | 2020-04-21 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10626991 | Segment, combination oil ring, and manufacturing method for a segment | Atsushi Nakazawa, Hironori Fujita | 2020-04-21 |