41 Utility and 32 Design Patents
#2,472 in Tokyo
#11,255 in Japan
#54,104 in the World
rank by utility patentsForward Citations = 871
Company Filing History:



4. 5 out of 3,165
Dai Nippon Printing Co., Ltd.
5. 4 out of 39

where one patent can have more than one assignee
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