6 Utility Patents
#10 in Hamakita
#139,205 in Japan
#691,802 in the World
Forward Citations = 60
Company Filing History:
Toyo Roki Seizo Kabushiki Kaisha

where one patent can have more than one assignee
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#10 in Hamakita
#139,205 in Japan
#691,802 in the World
Company Filing History:

Get your Inventor Badge Today