45 Utility Patents
#1,954 in Tokyo
#9,046 in Japan
#42,715 in the World
Forward Citations = 828
Company Filing History:
Nippon Petrochemicals Company, Limited
Polymer Processing Research Inst., Ltd.
4. 6 out of 690
Nippon Oil Company
5. 5 out of 828,785 patents
Other
where one patent can have more than one assignee
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