Partial year: Data through Q3 2025 (Sept 30). Full-year totals not yet available.
KT

Kazumasa TSUTSUI

NS Nippon Steel: 4 patents #24 of 316Top 8%
Overall (2025): #33,873 of 469,880Top 8%
4
Patents 2025

Issued Patents 2025

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
12416060 High-strength steel sheet Genki Abukawa, Hiroyuki Tanaka, Masafumi Azuma 2025-09-16
12392020 Hot-rolled steel sheet Hiroshi Shuto, Koutarou Hayashi 2025-08-19
12297524 Hot-rolled steel sheet Hiroshi Shuto, Koutarou Hayashi, Akifumi SAKAKIBARA, Jun ANDO, Shota ENDO 2025-05-13
12203157 Hot-rolled steel sheet Koutarou Hayashi, Hiroshi Shuto, Hiroshi KAIDO 2025-01-21