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William R. Ribbens

HA Hitachi America: 1 patents #46 of 97Top 50%
University of Michigan: 1 patents #1,906 of 4,352Top 45%
📍 Ann Arbor, MI: #3,831 of 6,071 inventorsTop 65%
🗺 Michigan: #49,615 of 86,293 inventorsTop 60%
Overall (All Time): #3,788,605 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5278760 Method and system for detecting the misfire of an internal combustion engine utilizing engine torque nonuniformity Yuzo Kadomukai, Giorgio Rizzoni 1994-01-11