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Kouji Hayashi
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Yokohama, JP
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Patents Grants
last 30 patents
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Patent Grant
Image forming apparatus with color adjustment
Patent number
6,160,922
Issue date
Dec 12, 2000
Ricoh Company, Ltd.
Kouji Hayashi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Image forming apparatus
Patent number
6,055,071
Issue date
Apr 25, 2000
Ricoh Company, Ltd.
Kazumi Kuwata
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Patent Grant
Image forming apparatus with color adjustment
Patent number
5,982,947
Issue date
Nov 9, 1999
Ricoh Company, Ltd.
Kouji Hayashi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
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Patent Application
IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD
Publication number
20150015923
Publication date
Jan 15, 2015
RICOH COMPANY, LTD.
Kouji HAYASHI
H04 - ELECTRIC COMMUNICATION TECHNIQUE