42 Utility Patents
#2,273 in Tokyo
#10,468 in Japan
#49,319 in the World
Forward Citations = 247
Company Filing History:
Opto-electronics Technology Research Co., Ltd.
where one patent can have more than one assignee
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#2,273 in Tokyo
#10,468 in Japan
#49,319 in the World
Company Filing History:
Get your Inventor Badge Today