12 Utility Patents
#13,137 in Tokyo
#69,486 in Japan
#325,348 in the World
Forward Citations = 305
Company Filing History:
Dai Nippon Printing Co., Ltd.


4. 1 out of 18
Lead Chemical Company, Limited
5. 1 out of 2,886
Victor Company of Japan, Limited
where one patent can have more than one assignee
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