11 Utility Patents
#4,020 in Osaka
#76,844 in Japan
#362,319 in the World
Forward Citations = 310
Company Filing History:


Toa Eiyo Ltd.
4. 1 out of 51
Nikken Chemicals Co., Ltd.
5. 1 out of 1
Toa Eiyo Litd.
where one patent can have more than one assignee
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