15 Utility Patents
#877 in Nagoya
#53,292 in Japan
#247,890 in the World
Forward Citations = 30
Company Filing History:

Other
Earth Chemical Co., Ltd.
where one patent can have more than one assignee
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#877 in Nagoya
#53,292 in Japan
#247,890 in the World
Company Filing History:

Get your Inventor Badge Today