Issued Patents 2019
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10190185 | Hardening method of annular workpiece | Towako Matsui, Tsuyoshi Mikami | 2019-01-29 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10190185 | Hardening method of annular workpiece | Towako Matsui, Tsuyoshi Mikami | 2019-01-29 |