Inventor · Kyoto, JP

Akinobu Sumiji

7Patents
3h-index
15Co-inventors
46Inventor score

Filing activity: Jan 19, 2012 → Oct 11, 2018

Most-cited inventions

PatentTitleAreaCited byStatus
US8587895B1 Bearing mechanism, motor and disk drive apparatus Mechanical Engineering; Lighting; Heating 9 Active
US8599513B1 Bearing mechanism, motor, and disk drive apparatus Mechanical Engineering; Lighting; Heating 5 Active
US8630063B2 Bearing mechanism, motor, and disk drive apparatus Mechanical Engineering; Lighting; Heating 4 Active
US8567067B2 Method of manufacturing fluid dynamic bearing mechanism, motor, and storage disk drive Emerging Cross-Sectional Technologies 3 Active
US9013829B2 Spindle motor and disk drive apparatus Mechanical Engineering; Lighting; Heating 0 Active
US10590989B2 Bearing apparatus, motor, and fan motor Electricity 0 Active
US10920787B2 Blower Electricity 0 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.