18 Utility and 12 Design Patents
#8,296 in Tokyo
#42,031 in Japan
#194,874 in the World
rank by utility patentsForward Citations = 618
Company Filing History:



4. 4 out of 3,181
Dai Nippon Printing Co., Ltd.
5. 3 out of 42,466

where one patent can have more than one assignee
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