KT

Keiichi Tsuchiya

HI Hitachi: 1 patents #17,742 of 28,497Top 65%
Overall (All Time): #4,028,067 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4426162 Rotor shaft Katsukuni Hisano, Toshimi Tan, Masahiro Kobayashi, Kei Kobayashi, Kazuhiko Ueda +3 more 1984-01-17