Issued Patents 2017
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9725779 | Si-killed steel wire rod and spring | Tomoko Sugimura | 2017-08-08 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9725779 | Si-killed steel wire rod and spring | Tomoko Sugimura | 2017-08-08 |