Inventor

CHANG SHAW-PING

US2 patents

⚠️ This page may combine multiple inventors who share the name “CHANG SHAW-PING”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

RICOH KK

1 patent

US4489150ADec 18, 1984

Electrophotographic polyester toner blends

RICOH KK9 citations69

MITSUBISHI CHEM AMERICA INC

1 patent

US5981131ANov 9, 1999

Electrostatic toner composition to enhance copy quality by rejection of ghosting and method of manufacturing same

MITSUBISHI CHEM AMERICA INC16 citations67