Inventor

KUMAGAI YUUGO

JP3 patents

Patents

3 patents

US4985328AJan 15, 1991

Dry toner, dry developer and process for forming electrophotographic images

HITACHI CHEMICAL CO LTD20 citations78

US4686166AAug 11, 1987

Electrophoto toner comprising imido group monomer unit in polymer

HITACHI CHEMICAL CO LTD11 citations72

US4950574AAug 21, 1990

Toner for developing electrostatic image comprising vinyl polymer having hydroxyl number of 50 to 350

HITACHI CHEMICAL CO LTD7 citations68