MA

Masafumi Azuma

NS Nippon Steel: 35 patents #8 of 4,423Top 1%
NM Nippon Steel & Sumitomo Metal: 15 patents #22 of 1,491Top 2%
Overall (All Time): #53,220 of 4,157,543Top 2%
50
Patents All Time

Issued Patents All Time

Showing 1–25 of 50 patents

Patent #TitleCo-InventorsDate
12428689 Steel sheet and method for manufacturing same Masahiro Kubo, Hiroyuki Kawata, Masahiro Saito, Kenichiro Otsuka 2025-09-30
12428696 Cold-rolled steel sheet and method for producing same Takuya Nishio, Ryosuke Nakamura 2025-09-30
12416060 High-strength steel sheet Genki Abukawa, Hiroyuki Tanaka, Kazumasa TSUTSUI 2025-09-16
12344911 High-strength steel sheet and method for manufacturing same Eisaku Sakurada, Genki Abukawa, Kenichiro Otsuka, Takeshi Toyoda 2025-07-01
12331379 Cold-rolled steel sheet and manufacturing method thereof Takuya Nishio, Yoshimasa Narita, Shintaro OKURA 2025-06-17
12221661 Steel sheet and method for producing same Masahiro Kubo, Hiroyuki Kawata, Kenichiro Otsuka 2025-02-11
12215402 Hot-rolled steel sheet Genki Abukawa, Eisaku Sakurada, Shohei YABU 2025-02-04
12209300 Automobile undercarriage part Kenichiro Otsuka, Yoichiro Mori, Shinji Kodama, Masahiro Matsuba 2025-01-28
12194806 Suspension arm Kenichiro Otsuka, Koichi Hamada, Ryo Tabata, Ryo URUSHIBATA, Yuki Kitahara 2025-01-14
12163209 Automobile undercarriage part Kenichiro Otsuka, Yoichiro Mori, Shinji Kodama, Masahiro Matsuba 2024-12-10
12123095 Hot-dip galvanized steel sheet Shota Kikuchi 2024-10-22
12018344 High-strength steel sheet and method for manufacturing same Eisaku Sakurada, Genki Abukawa, Kenichiro Otsuka, Takeshi Toyoda 2024-06-25
12005960 Front pillar outer Kenichiro Otsuka, Naoki Kimoto 2024-06-11
11859260 Steel sheet and manufacturing method thereof Masahiro Kubo, Hiroyuki Kawata, Masahiro Saito, Kenichiro Otsuka 2024-01-02
11643147 Front pillar outer Kenichiro Otsuka, Naoki Kimoto 2023-05-09
11634178 Front pillar outer Kenichiro Otsuka, Naoki Kimoto 2023-04-25
11519061 Steel sheet Riki Okamoto, Hiroyuki Kawata, Akihiro Uenishi, Naoki Maruyama 2022-12-06
11473164 High-strength cold-rolled steel sheet and manufacturing method therefor Takuya Nishio, Kojiro AKIBA, Yoshimasa Narita, Kotaro Ohno, Satoshi Kato 2022-10-18
11208702 Hot-rolled steel sheet and manufacturing method thereof Akifumi SAKAKIBARA, Tatsuo Yokoi, Hiroshi Shuto, Yuuki Kanzawa 2021-12-28
11041225 Heat-treated steel sheet member and method for producing the same Yoshihiro Suwa, Shinichiro TABATA, Kazuo Hikida 2021-06-22
11028458 Steel sheet and plated steel sheet Yuri Toda, Akihiro Uenishi, Eisaku Sakurada, Tatsuo Yokoi, Genichi Shigesato 2021-06-08
10876181 Cold-rolled steel sheet and method of manufacturing same Kengo Takeda, Kunio Hayashi, Akihiro Uenishi, Takayuki Nozaki, Yuri Toda 2020-12-29
10822672 Steel sheet, hot-dip galvanized steel sheet, galvanized steel sheet, and manufacturing methods therefor Yuri Toda, Akihiro Uenishi, Hiroyuki Kawata, Naoki Maruyama, Genichi Shigesato 2020-11-03
10822680 Steel sheet for heat treatment Yoshihiro Suwa, Shinichiro TABATA, Kazuo Hikida 2020-11-03
10808291 Steel sheet, hot-dip galvanized steel sheet, galvannealed steel sheet, and manufacturing methods therefor Yuri Toda, Akihiro Uenishi, Hiroyuki Kawata, Naoki Maruyama, Genichi Shigesato 2020-10-20