8 Utility Patents
#36 in Izumi
#107,188 in Japan
#519,349 in the World
Forward Citations = 26
Company Filing History:
Koa Oil Company, Limited
Tanaka Kikinzoku Kogyo Kabushiki Kaisha
Kao Oil Company, Limited
4. 1 out of 1
Tanaka Kikinzoku Kogyo Kabushiki
where one patent can have more than one assignee
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