TY

Tadasu Yamakawa

KC Koyo Seiko Co.: 2 patents #228 of 749Top 35%
JT Jtekt: 1 patents #1,102 of 1,969Top 60%
Overall (All Time): #1,235,292 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
8292053 One-way clutch and power transmission apparatus 2012-10-23
6196941 Auto tensioner Hideyuki Ohta 2001-03-06
6059679 Auto tensioner Takashi Tsutsui 2000-05-09
5005541 Hydraulic valve lifter Takeomi Yamamoto, Nariaki Endo, Yasushi Kadota 1991-04-09