YG

Yasuharu Gotoh

HC Hitachi Construction Machinery Co.: 6 patents #208 of 1,234Top 20%
HI Hitachi: 1 patents #17,742 of 28,497Top 65%
📍 Tsuchiura, JP: #106 of 519 inventorsTop 25%
Overall (All Time): #766,420 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
5290369 Method of gas sulphonitriding Kazuyoshi Hatano, Ken Ichiryu, Morio Tamura, Eiji Kometani, Nobuyoshi Hidao 1994-03-01
5231912 Bent axis type variable displacement hydraulic machine Yoshimichi Akasaka, Ichiro Nakamura 1993-08-03
5187017 Sliding member, and method and apparatus for producing the same by gas sulphonitriding Kazuyoshi Hatano, Ken Ichiryu, Morio Tamura, Eiji Kometani, Nobuyoshi Hidao 1993-02-16
5182978 Bent axis type variable displacement hydraulic machine Yoshimichi Akasaka, Ichiro Nakamura 1993-02-02
5094144 Bent axis type variable displacement hydraulic machine Yoshimichi Akasaka, Ichiro Nakamura 1992-03-10
5085128 Variable displacement bent axis type hydraulic machine Shigetaka Nakamura, Eiki Izumi 1992-02-04
4788902 Thrust hydrostatic bearing device for use in axial piston machine Yoshimichi Akasaka, Ichiro Nakamura, Ken Ichiryu, Eiji Kometani 1988-12-06