Inventor
TAKAMATSU JUNICHI
JP11 patents
Patents
11 patentsUS4974020ANov 27, 1990
Removable developing units for a copying machine and display for indicating the useful life of the machine
MITA INDUSTRIAL CO LTD78 citations95
US4873549AOct 10, 1989
Device for detecting the life of an image forming process unit, opening of a seal of the unit and attachment of the unit to an image forming apparatus
MITA INDUSTRIAL CO LTD99 citations94
US4894688AJan 16, 1990
Device for circulating developer
MITA INDUSTRIAL CO LTD47 citations92
US4875077AOct 17, 1989
Image-forming machine
MITA INDUSTRIAL CO LTD25 citations92
US4768055AAug 30, 1988
Image forming machine having a toner recycling unit
MITA INDUSTRIAL CO LTD55 citations92
US4908668AMar 13, 1990
Image-forming machine
MITA INDUSTRIAL CO LTD8 citations73
US4829334AMay 9, 1989
Image-forming machine having a cover member for covering part of an image bearing member
MITA INDUSTRIAL CO LTD16 citations73
USD308696SJun 19, 1990
Process unit for copying machine
MITA INDUSTRIAL CO LTD14 citations72
US5920749AJul 6, 1999
Image forming apparatus with time delayed cooling control
MITA INDUSTRIAL CO LTD15 citations71
US4975742ADec 4, 1990
Toner density control device
MITA INDUSTRIAL CO LTD6 citations58
USD312272SNov 20, 1990
Developer cartridge
MITA INDUSTRIAL CO LTD1 citations51