63 Utility Patents
#1,094 in Tokyo
#4,714 in Japan
#24,358 in the World
Forward Citations = 282
Company Filing History:

Jx Nippon Oil & Energy Corporation
Nippon Oil Corporation
4. 5 out of 4,976
Oki Electric Industry Co., Ltd.
5. 4 out of 651
Mitsubishi Hitachi Power Systems, Ltd.
where one patent can have more than one assignee
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