Issued Patents 2017
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9752636 | Helical compression spring and method for manufacturing same | Tohru Shiraishi, Yoshiki Ono, Keita Takahashi | 2017-09-05 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9752636 | Helical compression spring and method for manufacturing same | Tohru Shiraishi, Yoshiki Ono, Keita Takahashi | 2017-09-05 |