YK

Yasuhei Kikuchi

UL Usui Kokusai Sangyo Kaisha Limited: 4 patents #38 of 145Top 30%
Overall (All Time): #1,289,647 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5575368 Fluid clutch Mitsuaki Hatori, Satoshi Tsuyuki 1996-11-19
5484045 Fluid clutch Mitsuaki Hatori, Satoshi Tsuyuki 1996-01-16
5199539 Fluid coupling having a vane pump system 1993-04-06
5117955 Temperature-controlled fluid friction coupling 1992-06-02