TY

Tatsuo Yokoi

NS Nippon Steel: 22 patents #44 of 4,423Top 1%
NM Nippon Steel & Sumitomo Metal: 17 patents #12 of 1,491Top 1%
Overall (All Time): #81,726 of 4,157,543Top 2%
39
Patents All Time

Issued Patents All Time

Showing 1–25 of 39 patents

Patent #TitleCo-InventorsDate
12428694 Hot-rolled steel sheet and method for manufacturing same Teruki Hayashida, Mutsumi SAKAKIBARA, Jun ANDO, Shinsuke Kai, Hiroshi Shuto 2025-09-30
12421567 High-strength hot-rolled steel sheet Yukiko Kobayashi, Jun Takahashi, Riki Okamoto, Takeshi Toyoda 2025-09-23
11492679 Hot-rolled steel sheet and method for manufacturing same Hiroshi Shuto, Teruki Hayashida, Jun ANDO, Mutsumi SAKAKIBARA 2022-11-08
11401571 Hot-rolled steel sheet Mitsuru Yoshida, Natsuko Sugiura, Hiroshi Shuto, Masayuki Wakita 2022-08-02
11208702 Hot-rolled steel sheet and manufacturing method thereof Akifumi SAKAKIBARA, Hiroshi Shuto, Yuuki Kanzawa, Masafumi Azuma 2021-12-28
11028458 Steel sheet and plated steel sheet Yuri Toda, Masafumi Azuma, Akihiro Uenishi, Eisaku Sakurada, Genichi Shigesato 2021-06-08
10913988 Hot-rolled steel sheet Hiroshi Shuto, Natsuko Sugiura, Mitsuru Yoshida, Masayuki Wakita 2021-02-09
10900100 Hot rolled steel sheet Nobuo Yoshikawa, Shigeru Yonemura, Kazuya Ootsuka 2021-01-26
10894996 Hot rolled steel sheet Nobuo Yoshikawa, Shigeru Yonemura, Kazuya Ootsuka 2021-01-19
10752972 Hot-rolled steel sheet Natsuko Sugiura, Mitsuru Yoshida, Hiroshi Shuto, Masayuki Wakita 2020-08-25
10689724 Steel sheet with strain induced transformation type composite structure and method of manufacturing same Hiroshi Shuto, Yuuki Kanzawa, Natsuko Sugiura 2020-06-23
10689737 Hot-rolled steel sheet Masayuki Wakita, Mitsuru Yoshida, Natsuko Sugiura, Hiroshi Shuto 2020-06-23
10590506 Hot-rolled steel sheet for tailored rolled blank and tailored rolled blank Eisaku Sakurada, Natsuko Sugiura, Kiyoyuki Fukui 2020-03-17
10384256 Tooling for punching steel sheet and punching method Yuzo Takahashi, Osamu Kawano, Junji Haji, Satoshi Horioka 2019-08-20
10364478 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 2019-07-30
10329637 Heat-rolled steel plate for tailored rolled blank, tailored rolled blank, and methods for producing these Eisaku Sakurada, Natsuko Sugiura, Kiyoyuki Fukui 2019-06-25
10260124 Hot-rolled steel sheet and manufacturing method thereof Akifumi SAKAKIBARA, Hiroshi Shuto, Yuuki Kanzawa, Masafumi Azuma 2019-04-16
10226800 Hot-rolled steel sheet Hiroshi Shuto, Daisuke Maeda, Eisaku Sakurada, Takeshi Toyoda 2019-03-12
10196726 High-strength hot-rolled steel sheet having excellent baking hardenability and low temperature toughness with maximum tensile strength of 980 MPa or more Masafumi Azuma, Hiroshi Shuto, Yuuki Kanzawa, Akihiro Uenishi 2019-02-05
10087499 Hot-rolled steel sheet and manufacturing method thereof Hiroshi Shuto, Yuuki Kanzawa, Nobuhiro Fujita, Ryohta Niiya, Shinya Saitoh 2018-10-02
9903023 Hot rolled steel sheet and method for manufacturing the same Naoki Maruyama, Hiroyuki Tanahashi, Atsushi Seto, Atsushi Itami 2018-02-27
9896737 Hot-rolled steel sheet Hiroshi Shuto, Daisuke Maeda, Eisaku Sakurada, Takeshi Toyoda 2018-02-20
9863026 Dual phase steel sheet and manufacturing method thereof Hiroshi Shuto, Eisaku Sakurada, Hiroyuki Okada 2018-01-09
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