SO

Seishiro Ogata

SI Sumitomo Heavy Industries: 2 patents #252 of 917Top 30%
Overall (All Time): #2,292,742 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5292289 Internally meshing planetary gear assembly Atsushi Takahashi, Hideyoshi Tanaka 1994-03-08
4898065 Planetary reduction gear Katsumi Taki 1990-02-06