12 Utility Patents
#47 in Oyama
#68,228 in Japan
#314,808 in the World
Forward Citations = 50
Company Filing History:
Kyosan Denki Co., Ltd.

where one patent can have more than one assignee
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#47 in Oyama
#68,228 in Japan
#314,808 in the World
Company Filing History:

Get your Inventor Badge Today