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Inventor
TADA TOMIO
JP
2 patents
Patents
2 patents
US4873549A
Oct 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 LTD
99 citations
94
US4975742A
Dec 4, 1990
Toner density control device
MITA INDUSTRIAL CO LTD
6 citations
58