6 Utility Patents
#245 in Chiryu
#139,692 in Japan
#697,517 in the World
Forward Citations = 123
Company Filing History:

Kabushiki Kaisha Semitsu
where one patent can have more than one assignee
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#245 in Chiryu
#139,692 in Japan
#697,517 in the World
Company Filing History:

Get your Inventor Badge Today