HK

Hiroyuki Kurokawa

NM Nippon Steel & Sumitomo Metal: 3 patents #41 of 466Top 9%
TO Toyota: 2 patents #683 of 3,405Top 25%
Overall (2018): #29,097 of 503,207Top 6%
5
Patents 2018

Issued Patents 2018

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
10124398 Method for producing a forged crankshaft Kenji Tamura, Junichi Okubo, Koichiro Ishihara, Ken-ichiro Yoshino, Kunihiro Yabuno +2 more 2018-11-13
10086425 Method for producing a forged crankshaft Kenji Tamura, Junichi Okubo, Koichiro Ishihara, Ken-ichiro Yoshino, Kunihiro Yabuno +2 more 2018-10-02
10058912 Method for producing a forged crankshaft Kenji Tamura, Junichi Okubo, Koichiro Ishihara, Ken-ichiro Yoshino, Kunihiro Yabuno +2 more 2018-08-28
9969440 Joining structure of vehicle framework members 2018-05-15
9868465 Vehicle frame structure 2018-01-16