49 Utility Patents
#1,023 in Kanagawa
#8,102 in Japan
#40,013 in the World
Forward Citations = 280
Company Filing History:

Mitsui Chemicals, Inc.
Yamamoto Chemicals, Inc.
4. 2 out of 860

5. 2 out of 3,186
Dai Nippon Printing Co., Ltd.
where one patent can have more than one assignee
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