RS

Ryoji Sakurai

SI Sumitomo Heavy Industries: 1 patents #5 of 50Top 10%
Overall (1994): #71,752 of 165,921Top 45%
1
Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5352163 Step-up or reduction gear series using internally meshing planetary gear structure Kiyoji Minegishi, Shigeru Toyosumi, Takashi Haga 1994-10-04