KH

Koutarou Hayashi

NS Nippon Steel: 22 patents #44 of 4,423Top 1%
NM Nippon Steel & Sumitomo Metal: 4 patents #273 of 1,491Top 20%
DI Daikin Industries: 2 patents #1,262 of 2,957Top 45%
TO Toyota: 2 patents #10,861 of 26,838Top 45%
Overall (All Time): #120,538 of 4,157,543Top 3%
30
Patents All Time

Issued Patents All Time

Showing 1–25 of 30 patents

Patent #TitleCo-InventorsDate
12410150 Fluorolactone and method for producing same Moe HOSOKAWA, Yoshihiro Yamamoto, Akiyoshi Yamauchi, Yosuke KISHIKAWA, Yuuki Suzuki +2 more 2025-09-09
12392020 Hot-rolled steel sheet Kazumasa TSUTSUI, Hiroshi Shuto 2025-08-19
12331378 Steel sheet and method for producing same Takahiko Kohtake, Yoshihiro Suwa 2025-06-17
12297524 Hot-rolled steel sheet Hiroshi Shuto, Kazumasa TSUTSUI, Akifumi SAKAKIBARA, Jun ANDO, Shota ENDO 2025-05-13
12203157 Hot-rolled steel sheet Hiroshi Shuto, Kazumasa TSUTSUI, Hiroshi KAIDO 2025-01-21
12180557 Cold rolled steel sheet and method for producing same Shohei YABU, Akihiro Uenishi 2024-12-31
12123064 Hot-rolled steel sheet Hiroshi Shuto, Hiroshi KAIDO, Akifumi SAKAKIBARA, Jun ANDO, Tetsu Asato 2024-10-22
12116646 Hot-rolled steel sheet Mutsumi SAKAKIBARA, Hiroshi Shuto, Kazumasa TSUTSUI 2024-10-15
12060623 High-strength steel sheet with excellent ductility and hole-expandability Shohei YABU, Akihiro Uenishi 2024-08-13
12043606 Fluorolactone and method for producing same Moe HOSOKAWA, Yoshihiro Yamamoto, Akiyoshi Yamauchi, Makoto Matsuura, Yosuke KISHIKAWA 2024-07-23
12031203 Galvannealed steel sheet Mai NAGANO, Akihiro Uenishi 2024-07-09
11970758 Hot-rolled steel sheet Hiroshi Shuto, Akifumi SAKAKIBARA, Shinsuke Kai, Hiroshi KAIDO 2024-04-30
11732341 Metal coated steel sheet, manufacturing method of hot-dip galvanized steel sheet, and manufacturing method of alloyed galvannealed steel sheet Jun Haga, Kohichi Sano, Kunio Hayashi, Masaharu Kameda, Akihiro Uenishi +1 more 2023-08-22
11634802 Cold-rolled steel sheet Hiroshi KAIDO, Mai NAGANO 2023-04-25
11505855 High-strength steel sheet Mai NAGANO, Akihiro Uenishi 2022-11-22
11486028 High-strength steel sheet Mai NAGANO, Akihiro Uenishi 2022-11-01
11365465 Steel sheet Shohei YABU, Akihiro Uenishi 2022-06-21
11242583 Steel sheet Mai NAGANO, Akihiro Uenishi 2022-02-08
11225701 Hot dip galvanized steel sheet and hot dip galvannealed steel sheet Jun Haga, Kohichi Sano, Kunio Hayashi, Masaharu Kameda, Akihiro Uenishi +1 more 2022-01-18
10774405 Steel and method of manufacturing the same Akira Seki, Kazuya Mishio, Shuhei Shimokawa 2020-09-15
10745775 Galvannealed steel sheet and method for producing the same Kohichi Sano, Jun Haga, Hiroyuki Kawata, Riki Okamoto, Akihiro Uenishi 2020-08-18
10711322 Hot-pressed steel sheet member, method of manufacturing the same, and steel sheet for hot pressing Toshinobu Nishibata 2020-07-14
10508317 Steel product and manufacturing method of the same 2019-12-17
10501832 Plated steel sheet Akihiro Uenishi, Masaharu Kameda, Jun Haga, Kunio Hayashi, Kohichi Sano +1 more 2019-12-10
10344351 Hot-pressed steel sheet member, method of manufacturing the same, and steel sheet for hot pressing Toshinobu Nishibata 2019-07-09