TY

Tatsuo Yokoi

NM Nippon Steel & Sumitomo Metal: 4 patents #17 of 478Top 4%
Overall (2017): #36,615 of 506,227Top 8%
4
Patents 2017

Issued Patents 2017

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
9797024 Hot-rolled steel sheet for gas nitrocarburizing and manufacturing method thereof Hiroshi Shuto, Riki Okamoto, Nobuhiro Fujita, Kazuaki Nakano, Takeshi Yamamoto 2017-10-24
9752217 Hot-rolled steel sheet and method of producing the same Hiroshi Shuto, Riki Okamoto, Nobuhiro Fujita, Kazuaki Nakano, Takeshi Yamamoto 2017-09-05
9657364 High strength hot rolled steel sheet for line pipe use excellent in low temperature toughness and ductile fracture arrest performance and method of production of same Hiroshi Abe, Osamu Yoshida 2017-05-23
9587287 Bainite-containing-type high-strength hot-rolled steel sheet having excellent isotropic workability and manufacturing method thereof Hiroshi Shuto, Riki Okamoto, Nobuhiro Fujita, Kazuaki Nakano, Takeshi Yamamoto 2017-03-07