30 Utility Patents
#3,962 in Tokyo
#19,030 in Japan
#87,059 in the World
Forward Citations = 76
Company Filing History:
Jx Nippon Oil & Energy Corporation
Nippon Oil Corporation
Dai Nippon Printing Co., Ltd.
4. 4 out of 58
Petroleum Energy Center
5. 1 out of 84
where one patent can have more than one assignee
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