22 Utility Patents
#2,159 in Yokohama
#31,851 in Japan
#147,523 in the World
Forward Citations = 128
Company Filing History:

Dai Nippon Printing Co., Ltd.
where one patent can have more than one assignee
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#2,159 in Yokohama
#31,851 in Japan
#147,523 in the World
Company Filing History:

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