Issued Patents All Time
Showing 26–26 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4880480 | High strength hot rolled steel sheet for wheel rims | Ichiro Kokubo, Kazuhiko Kourida, Shunichi Hashimoto, Zenichi Shibata | 1989-11-14 |
Showing 26–26 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4880480 | High strength hot rolled steel sheet for wheel rims | Ichiro Kokubo, Kazuhiko Kourida, Shunichi Hashimoto, Zenichi Shibata | 1989-11-14 |