Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11065664 | Metal sheet molding method | Ugeun Shin, Hiroshi Matsui, Kazuma Fujiwara, Kuniaki Akutsu | 2021-07-20 |
| 10982767 | Piston ring | Hiroshi Shimizu, Takayuki Yoguchi, Takayuki Kondo | 2021-04-20 |