16 Utility Patents
#3,099 in Yokohama
#48,054 in Japan
#221,589 in the World
Forward Citations = 163
Company Filing History:
Nippon Oil Corporation
Petroleum Energy Center

4. 4 out of 329
Jx Nippon Oil & Energy Corporation
5. 2 out of 830,757 patents
Other
where one patent can have more than one assignee
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