RO

Riki Okamoto

NM Nippon Steel & Sumitomo Metal: 6 patents #4 of 478Top 1%
NS Nippon Steel: 1 patents #1 of 5Top 20%
Overall (2017): #14,047 of 506,227Top 3%
7
Patents 2017

Issued Patents 2017

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
9797024 Hot-rolled steel sheet for gas nitrocarburizing and manufacturing method thereof Tatsuo Yokoi, Hiroshi Shuto, Nobuhiro Fujita, Kazuaki Nakano, Takeshi Yamamoto 2017-10-24
9752217 Hot-rolled steel sheet and method of producing the same Tatsuo Yokoi, Hiroshi Shuto, Nobuhiro Fujita, Kazuaki Nakano, Takeshi Yamamoto 2017-09-05
9631265 Hot-rolled steel sheet and method for producing same Kohichi Sano, Kunio Hayashi, Kazuaki Nakano, Nobuhiro Fujita 2017-04-25
9587319 Hot-rolled steel sheet, cold-rolled steel sheet, galvanized steel sheet, and methods of manufacturing the same Nobuhiro Fujita, Kunio Hayashi, Manabu Takahashi, Tetsuo Kishimoto, Hiroshi Yoshida 2017-03-07
9587287 Bainite-containing-type high-strength hot-rolled steel sheet having excellent isotropic workability and manufacturing method thereof Tatsuo Yokoi, Hiroshi Shuto, Nobuhiro Fujita, Kazuaki Nakano, Takeshi Yamamoto 2017-03-07
9567658 Cold-rolled steel sheet Yuri Toda, Nobuhiro Fujita, Kohichi Sano, Hiroshi Yoshida, Toshio Ogawa +2 more 2017-02-14
9546413 Hot-rolled steel sheet and production method thereof Takayuki Nozaki, Manabu Takahashi, Nobuhiro Fujita, Hiroshi Yoshida, Shinichiro Watanabe +3 more 2017-01-17