HK

Hiroyuki Kurokawa

NS Nippon Steel: 3 patents #15 of 325Top 5%
NM Nippon Steel & Sumitomo Metal: 1 patents #116 of 340Top 35%
Overall (2019): #53,922 of 560,194Top 10%
4
Patents 2019

Issued Patents 2019

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
10464120 Method for producing forged crankshaft Kenji Tamura, Junichi Okubo, Ken-ichiro Yoshino, Kunihiro Yabuno, Tomohisa Yamashita +2 more 2019-11-05
10441995 Method for producing forged crankshaft Sho Takamoto, Kenji Tamura, Tomohisa Yamashita, Kunihiro Yabuno, Ken-ichiro Yoshino +2 more 2019-10-15
10413965 Method for producing forged crankshaft Sho Takamoto, Kenji Tamura, Tomohisa Yamashita, Kunihiro Yabuno, Ken-ichiro Yoshino +2 more 2019-09-17
10350671 Method for producing a forged crankshaft Kenji Tamura, Junichi Okubo, Koichiro Ishihara, Ken-ichiro Yoshino, Kunihiro Yabuno +2 more 2019-07-16