YF

Yoshimasa Funakawa

JS Jfe Steel: 74 patents #1 of 1,401Top 1%
NC Nkk Co.: 4 patents #135 of 1,173Top 15%
Overall (All Time): #23,646 of 4,157,543Top 1%
78
Patents All Time

Issued Patents All Time

Showing 76–78 of 78 patents

Patent #TitleCo-InventorsDate
6666932 High strength hot rolled steel sheet Tsuyoshi Shiozaki, Kunikazu Tomita, Takanobu Saito, Hiroshi Nakata, Kaoru Sato +4 more 2003-12-23
6632295 High tensile strength hot-rolled steel sheet and method for manufacturing the same Hiroshi Nakata, Tadashi Inoue, Hiroyasu Kikuchi, Sadanori Imada, Akira Hiura +3 more 2003-10-14
6171413 Soft cold-rolled steel sheet and method for making the same Toru Inazumi, Hiroshi Sawada, Naoki Matsui, Jun Taniai, Kenichi Mitsuzuka 2001-01-09