Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10010917 | Plastic working method of metals and plastic working apparatus | Koichi Sato, Masahiro Kubo, Tohru Yoshida | 2018-07-03 |
| 9878360 | Method of producing shaped steel changing in cross-sectional shape in longitudinal direction and roll forming apparatus for same | Masahiro Kubo, Hiroshi Yoshida, Seiichi Daimaru | 2018-01-30 |