32 Utility Patents
#1,272 in Yokohama
#17,041 in Japan
#78,515 in the World
Forward Citations = 140
Company Filing History:
Other
Tonen Chemical Corporation
4. 3 out of 8
Toray Tonen Specialty Separator Godo Kaisha
5. 1 out of 1,635
where one patent can have more than one assignee
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