90 Utility Patents
#7 in Shiojiri
#2,009 in Japan
#11,917 in the World
Forward Citations = 491
Company Filing History:

Tokyo R & D Co., Ltd.
Seiko Epson Corporaton
where one patent can have more than one assignee
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#7 in Shiojiri
#2,009 in Japan
#11,917 in the World
Company Filing History:

Get your Inventor Badge Today