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Inventor
NAKAYA KAZUHIKO
JP
2 patents
Patents
2 patents
US7525692B2
Apr 28, 2009
Method and apparatus for image reading capable of obtaining adequate white reference data for shading correction
RICOH KK
20 citations
85
US6851609B2
Feb 8, 2005
Image reading apparatus and copier
RICOH KK
16 citations
77