Issued Patents All Time
Showing 26–36 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9580782 | Thick high-tensile-strength hot-rolled steel sheet having excellent low-temperature toughness and manufacturing method thereof | Hiroshi Nakata, Kinya Nakagawa | 2017-02-28 |
| 9493865 | Thick-walled high-strength hot rolled steel sheet with excellent low-temperature toughness and method of producing same | Hiroshi Nakata, Kinya Nakagawa | 2016-11-15 |
| 8784577 | Thick high-tensile-strength hot-rolled steel sheet having excellent low-temperature toughness and manufacturing method thereof | Hiroshi Nakata, Kinya Nakagawa | 2014-07-22 |
| 7879287 | Hot-rolled steel sheet for high-strength electric-resistance welded pipe having sour-gas resistance and excellent weld toughness, and method for manufacturing the same | Takashi Kobayashi, Hiroshi Nakata, Toru Inazumi, Shuji Kawamura | 2011-02-01 |
| 7501030 | Hot-rolled steel strip for high strength electric resistance welding pipe and manufacturing method thereof | Hiroshi Nakata, Nobuyuki Kageyama, Koji Iwata, Tetsuo Shimizu | 2009-03-10 |
| 7101445 | Cold rolled steel sheet and galvanized steel sheet having strain age hardenability and method of producing the same | Akio Tosaka, Takuya Yamazaki | 2006-09-05 |
| 7067023 | Cold rolled steel sheet and galvanized steel sheet having strain age hardenability and method of producing the same | Akio Tosaka, Takuya Yamazaki | 2006-06-27 |
| 6902632 | High tensile strength cold rolled steel sheet having excellent strain age hardening characteristics and the production thereof | Akio Tosaka, Kazunori Osawa, Shinjiro Kaneko, Takuya Yamazaki, Kaneharu Okuda +1 more | 2005-06-07 |
| 6899771 | High tensile strength cold rolled steel sheet having excellent strain age hardening characteristics and the production thereof | Akio Tosaka, Kazunori Osawa, Shinjiro Kaneko, Takuya Yamazaki, Kaneharu Okuda +1 more | 2005-05-31 |
| 6702904 | High tensile cold-rolled steel sheet having excellent strain aging hardening properties | Akio Tosaka, Kazunori Osawa, Shinjiro Kaneko, Takuya Yamazaki, Kaneharu Okuda +1 more | 2004-03-09 |
| 6695932 | Cold-rolled steel sheet having excellent strain aging hardening properties and method for producing the same | Akio Tosaka | 2004-02-24 |