ST

Seiji Tada

JT Jtekt: 16 patents #49 of 1,969Top 3%
HI Hitachi: 1 patents #17,742 of 28,497Top 65%
KC Koyo Seiko Co.: 1 patents #363 of 749Top 50%
Overall (All Time): #257,299 of 4,157,543Top 7%
18
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
8986145 Power transmission chain and power transmission system Shigeo Kamamoto 2015-03-24
8979687 Torque transmission chain and torque transmission device Shigeo Kamamoto 2015-03-17
8894524 Power transmission chain and power transmission system including the same chain Kozue Matsumoto, Shigeo Kamamoto, Yasutaka Hojo 2014-11-25
8708851 Power transmission chain and power transmission system including same Shigeo Kamamoto 2014-04-29
8636611 Power transmission chain and power transmission apparatus Shigeo Kamamoto 2014-01-28
8617017 Power transmission chain Shigeo Kamamoto 2013-12-31
8100794 Power transmission chain and power transmission apparatus Shigeo Kamamoto 2012-01-24
8038559 Power transmission chain, method for manufacturing power transmission member of the power transmission chain, and power transmission device Shigeo Kamamoto 2011-10-18
7976224 Eccentric thrust bearing assembly 2011-07-12
7892127 Power transmission chain and power transmission device Shigeo Kamamoto 2011-02-22
7882689 Method of manufacturing power transmission chain and pretension load device used in manufacture of power transmission chain Kozue Matsumoto, Kazuo Rokkaku 2011-02-08
7874952 Power transmission chain and power transmission device Shigeo Kamamoto 2011-01-25
7575378 Offset thrust bearing 2009-08-18
D588325 Link for power transmitting chain Shigeo Kamamoto, Joel Kuster 2009-03-10
D581623 Link for power transmitting chain Shigeo Kamamoto, Joel Kuster 2008-11-25
D568573 Linking pin for power transmitting chain Shigeo Kamamoto, Joel Kuster 2008-05-06
7033081 Ball bearing 2006-04-25
4660110 Magnetic disk storage device with shroud enclosing disk assembly Muneo Iida, Jyosei Simizu, Masami Suzuki, Nobuyuki Okamoto, Toshinori Kazama +3 more 1987-04-21