Issued Patents 2018
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10066283 | High-strength cold-rolled steel sheet having excellent uniform elongation and hole expandability | Yuri Toda, Riki Okamoto, Nobuhiro Fujita, Hiroshi Yoshida, Toshio Ogawa | 2018-09-04 |
| 10060006 | High-strength cold-rolled steel sheet having excellent local deformability | Yoshihiro Suwa, Kazuaki Nakano, Kunio Hayashi, Riki Okamoto, Nobuhiro Fujita | 2018-08-28 |
| 9988697 | High-strength hot-rolled steel sheet having excellent local deformability and manufacturing method thereof | Yoshihiro Suwa, Kazuaki Nakano, Kunio Hayashi, Riki Okamoto, Nobuhiro Fujita | 2018-06-05 |
| 9970074 | Cold-rolled steel sheet, galvanized cold-rolled steel sheet and method of manufacturing the same | Kaoru Kawasaki, Masaharu Kameda, Riki Okamoto | 2018-05-15 |