Issued Patents 2021
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11148352 | Pipe-forming apparatus for spiral pipe and pipe-forming method thereof | Hiroshi Sugahara, Tatsurou Baba, Masahiro Yamasaki | 2021-10-19 |
| D924950 | Cutting tool | Yifan Wen, Yosuke Shimamoto | 2021-07-13 |
| D924951 | Cutting tool | Yifan Wen, Yosuke Shimamoto | 2021-07-13 |
| D910095 | Cutting tool | Yifan Wen, Yosuke Shimamoto | 2021-02-09 |