YT

Yo Tsurumi

SI Sumitomo Heavy Industries: 6 patents #59 of 917Top 7%
Overall (All Time): #865,196 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
7901316 Oscillating inner gearing planetary gear system 2011-03-08
7819770 Oscillating internally meshing planetary gear system Takashi Haga 2010-10-26
7534184 Oscillating inner gearing planetary gear system 2009-05-19
7510497 Internal teeth oscillating inner gearing planetary gear system Takashi Haga 2009-03-31
7070533 Internal teeth oscillation type inner gearing planetary gear system Takashi Haga 2006-07-04
7056253 Internal teeth oscillating inner gearing planetary gear system Takashi Haga 2006-06-06