Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4880480 | High strength hot rolled steel sheet for wheel rims | Ichiro Kokubo, Kazuhiko Kourida, Shunichi Hashimoto, Kazuhiro Mimura | 1989-11-14 |
| 4426235 | Cold-rolled high strength steel plate with composite steel structure of high r-value and method for producing same | Masatoshi Sudo, Hiromi Hori, Ichiro Tsukatani | 1984-01-17 |