CK

Chikara Kami

JS Jfe Steel: 4 patents #12 of 245Top 5%
Overall (2017): #49,939 of 506,227Top 10%
4
Patents 2017

Issued Patents 2017

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
9809869 Thick-walled high-strength hot rolled steel sheet having excellent hydrogen induced cracking resistance and manufacturing method thereof Kinya Nakagawa 2017-11-07
9752216 High-strength hot rolled steel sheet with excellent bendability and low-temperature toughness, and method for manufacturing the same Kazuhiko Yamazaki 2017-09-05
9708680 Hot rolled steel sheet for square column for building structural members Yuta Tamura, Takato Tamai, Shuji Kawamura 2017-07-18
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