5 Utility Patents
#348 in Kamakura
#159,849 in Japan
#798,777 in the World
Forward Citations = 58
Company Filing History:
Nippon Petrochemicals Company, Limited
Chukoh Chemical Industries, Ltd.
Osaka Soda Co., Ltd.
4. 1 out of 690
Nippon Oil Company
where one patent can have more than one assignee
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