34 Utility Patents
#12 in Kunitachi
#15,462 in Japan
#71,538 in the World
Forward Citations = 670
Company Filing History:
Nippon Petrochemicals Company, Limited

Polymer Processing Research Inst., Ltd.
4. 6 out of 690
Nippon Oil Company
5. 2 out of 830,757 patents
Other
where one patent can have more than one assignee
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