NI

Naoki Iwama

SC Sanyo Special Steel Co.: 2 patents #20 of 109Top 20%
AW Aichi Steel Works: 1 patents #43 of 107Top 45%
DC Daido Metal Company: 1 patents #166 of 280Top 60%
Overall (All Time): #1,252,843 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
7445680 Lead-free steel for machine structural use with excellent machinability and low strength anisotropy Susumu Owaki, Masao Uchiyama, Isao Fujii, Syoji Nishimon, Norimasa Tsunekage +4 more 2008-11-04
7195736 Lead-free steel for machine structural use with excellent machinability and low strength anisotropy Susumu Owaki, Masao Uchiyama, Isao Fujii, Syoji Nishimon, Norimasa Tsunekage +4 more 2007-03-27
6886984 Bearing device for internal combustion engines Mitsuru Sugita, Yukihiko Kagohara, Osamu Ishigo, Yoshikazu Mizuno, Hiroshi Munetoki +5 more 2005-05-03
5362338 Non-heat treating steel for hot forging Ichie Nomura 1994-11-08