13 Utility Patents
#279 in Hiroshima, 729-3431
#63,483 in Japan
#297,277 in the World
Forward Citations = 189
Company Filing History:
Mitsui Petrochemical Industries, Ltd.
Yoshino Kogyosho Co., Ltd.

4. 1 out of 62
Arakawa Chemical Industries, Ltd.
5. 1 out of 1,785
Mitsui Chemicals, Inc.
where one patent can have more than one assignee
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