Inventor · Yokohama, JP

Shigeo Aonuma

7Patents
6h-index
10Co-inventors
56Inventor score

Filing activity: Jul 31, 1978 → Sep 5, 1989

Most-cited inventions

PatentTitleAreaCited byStatus
US4880719A Two component electrophotographic developer Physics 59 Expired
US4246332A Electrophotographic toner comprising low and high molecular weight blend of binder resins Physics 30 Expired
US4385107A Dry toners comprising a colorant and graph copolymer comprising a crystalline polymer and an amorphous polymer and processes using the same Emerging Cross-Sectional Technologies 30 Expired
US4504563A Toner for developing electrostatic latent image containing copolymer of vinyl compound and acid monomer Emerging Cross-Sectional Technologies 9 Expired
US4217406A Cross-linking reaction during melt kneading produces resinous electrophotographic toner Emerging Cross-Sectional Technologies 9 Expired
US4965162A Electrophotographic developer containing tin oxide Emerging Cross-Sectional Technologies 7 Expired
US4797340A Dry electrophotographic toner comprising graft copolymer Emerging Cross-Sectional Technologies 6 Expired

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