HY

Hiroshi Yamaguchi

HI Hitachi: 2 patents #336 of 2,935Top 15%
📍 Staines-upon-Thames, NY: #1 of 1 inventorsTop 100%
Overall (1989): #25,493 of 140,708Top 20%
2
Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4868068 IC wiring connecting method and resulting article Mikio Hongo, Tateoki Miyauchi, Akira Shimase, Satoshi Haraichi, Takahiko Takahashi +1 more 1989-09-19
4799161 Control apparatus for maintaining traction in electric rolling stock Tetsuji Hirotsu, Kiyoshi Nakamura, Syoji Kasai, Eiji Kozu 1989-01-17