7 Utility Patents
#2,078 in Nagoya
#121,731 in Japan
#598,480 in the World
Forward Citations = 137
Company Filing History:

Churyo Engineering Co., Ltd.
where one patent can have more than one assignee
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#2,078 in Nagoya
#121,731 in Japan
#598,480 in the World
Company Filing History:

Get your Inventor Badge Today