23 Utility Patents
#6,034 in Tokyo
#29,888 in Japan
#138,545 in the World
Forward Citations = 173
Company Filing History:
Dai Nippon Printing Co., Ltd.

Toyo Seikan Group Holdings, Ltd.
4. 3 out of 412

5. 1 out of 9
Ube Exsymo Co., Ltd.
where one patent can have more than one assignee
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