Issued Patents 2021
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10888906 | Method of manufacturing piercer plug | Yasuyoshi Hidaka, Naoya Shirasawa, Yuichi Yamanari | 2021-01-12 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10888906 | Method of manufacturing piercer plug | Yasuyoshi Hidaka, Naoya Shirasawa, Yuichi Yamanari | 2021-01-12 |