36 Utility Patents
#3,205 in Tokyo
#14,564 in Japan
#68,882 in the World
Forward Citations = 126
Company Filing History:

Dai Nippon Printing Co., Ltd.

4. 3 out of 2,887
Victor Company of Japan, Limited
5. 2 out of 2
Seirin Kasei Co., Ltd.
where one patent can have more than one assignee
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