7 Utility Patents
#88 in Handa
#121,668 in Japan
#597,500 in the World
Forward Citations = 209
Company Filing History:

Sekiyushigen Kaihatsu Kabushiki Kaisha
Japan National Oil Corporation
4. 1 out of 40
Cosmo Research Institute
5. 1 out of 26
Koa Oil Company, Limited
where one patent can have more than one assignee
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