SK

Sei Kimura

KS Kobe Steel: 5 patents #293 of 1,773Top 20%
Overall (All Time): #998,832 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
9441695 High cleanliness spring steel and high cleanliness spring excellent in fatigue properties Tomoko Sugimura, Koichi Sakamoto, Atsuhiko Yoshida, Takeshi Inoue 2016-09-13
9359661 Bearing steel material with excellent rolling fatigue property and bearing part Masaki Shimamoto, Yosuke Shindo, Masaki Kaizuka, Akihiro OWAKI, Tetsushi Deura +1 more 2016-06-07
8668783 Steel wire rod having excellent drawability and fatigue properties, and manufacturing method of the same Tsuyoshi Mimura, Tetsushi Deura 2014-03-11
8613809 High cleanliness spring steel and high cleanliness spring excellent in fatigue properties Tomoko Sugimura, Koichi Sakamoto, Atsuhiko Yoshida, Takeshi Inoue 2013-12-24
6596227 Machine structure steel superior in chip disposability and mechanical properties and its method of making Yosuke Shindo, Hiroshi Yaguchi, Takehiro Tsuchida, Koichi Sakamoto, Masato Kaiso +2 more 2003-07-22