Inventor

AKIMARU SUSUMU

JP3 patents

Patents

3 patents

US5181129AJan 19, 1993

Electronic blackboard

HITACHI LTD20 citations81

US4822702AApr 18, 1989

Method for forming multi-color toner image

HITACHI LTD10 citations72

US4545325AOct 8, 1985

Developing apparatus

HITACHI LTD15 citations72