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Inventor
SATO TATSUNARI
JP
2 patents
Patents
2 patents
US7215896B2
May 8, 2007
Image forming apparatus and method of detecting the detection characteristics of a reflection density sensor
RICOH PRINTING SYS LTD
19 citations
82
US7460804B2
Dec 2, 2008
Image forming device having an image detector
RICOH PRINTING SYS LTD
7 citations
71