KY

Kazumasa Yamazaki

NS Nippon Steel: 5 patents #528 of 4,423Top 15%
TO Toyota: 1 patents #15,335 of 26,838Top 60%
Overall (All Time): #1,046,387 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
6217675 Cold rolled steel sheet having improved bake hardenability Hirokazu Taniguchi, Koichi Goto 2001-04-17
5810948 Nitriding steel excellent in formability and susceptibility to nitriding and press formed article thereof Takeshi Nishiwaki, Kouichi Mine, Akio Hotta, Kenji Shimoda 1998-09-22
5192376 Process for producing automobile body reinforcing steel pipe Hiroto Tanabe 1993-03-09
5181974 Automobile body reinforcing steel pipe Hiroto Tanabe 1993-01-26
4957594 Process for producing a zinc or zinc alloy coated steel sheet having excellent spot weldability Yaichiro Mizuyama, Takashi Horita, Shinichi Suzuki 1990-09-18