46 Utility Patents
#21 in Minami-ashigara
#9,193 in Japan
#44,771 in the World
Forward Citations = 599
Company Filing History:

Nippon Oil Company
Nippon Petrochemicals Company, Limited
4. 2 out of 832,492 patents
Other
5. 2 out of 33

where one patent can have more than one assignee
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