31 Utility Patents
#1,384 in Yokohama
#18,663 in Japan
#87,306 in the World
Forward Citations = 687
Company Filing History:
Nippon Oil Company

Nippon Oil Corporation
4. 2 out of 564

5. 2 out of 329
Jx Nippon Oil & Energy Corporation
where one patent can have more than one assignee
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