Inventor · Fairport, NY, US

Richard D. Manca

4Patents
3h-index
7Co-inventors
36Inventor score

Filing activity: Dec 5, 1986 → Oct 27, 1989

Most-cited inventions

PatentTitleAreaCited byStatus
US4752550A Toner compositions with inner salt charge enhancing additives Physics 15 Expired
US4963455A Developer compositions with suspension polymerized styrene butadiene resins Physics 11 Expired
US4820604A Toner and developer compositions with sulfur cotaining organopolysiloxane waxes Physics 9 Expired
US4837105A Imaging process with prevention of toner spots Physics 2 Expired

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