Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11143257 | Steel wire for spring | Taketoshi Sasaki, Takao Yamazaki | 2021-10-12 |
| 10760028 | Oil tempered wires | Sadamu Matsumoto, Takayuki Shiwaku | 2020-09-01 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11143257 | Steel wire for spring | Taketoshi Sasaki, Takao Yamazaki | 2021-10-12 |
| 10760028 | Oil tempered wires | Sadamu Matsumoto, Takayuki Shiwaku | 2020-09-01 |