HT

Hirotaka Tsubota

Kubota: 2 patents #849 of 2,059Top 45%
General Motors: 1 patents #9,361 of 18,328Top 55%
Overall (All Time): #2,288,139 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5454423 Melt pumping apparatus and casting apparatus Jiro Tsuchida, Hiroshi Yamaguchi, Donnie D. Rhum 1995-10-03
5433249 Hydraulic pilot valve Mitsuo Kato, Siro Sugiyama 1995-07-18