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Toyo Sumi

HI Hitachi: 1 patents #17,742 of 28,497Top 65%
Overall (All Time): #3,907,182 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4941326 Air conditioner having outdoor air introducing mechanism Motoshi Miyanaka, Keiji Sato, Yoshiki Hayata 1990-07-17