39 Utility Patents
#11 in Nasushiobara
#12,561 in Japan
#59,679 in the World
Forward Citations = 440
Company Filing History:
Toray Battery Separator Film Co., Ltd.
Tonen Chemical Corporation
Toray Tonen Specialty Separator Godo Kaisha
4. 1 out of 141
Tonen Corporation
5. 1 out of 1
Kawabi & Associates
where one patent can have more than one assignee
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