6 Utility Patents
#27 in Yamaguchi-ken
#139,692 in Japan
#697,517 in the World
Forward Citations = 81
Company Filing History:
Mitsui Petrochemical Industries, Ltd.

where one patent can have more than one assignee
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#27 in Yamaguchi-ken
#139,692 in Japan
#697,517 in the World
Company Filing History:

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