29 Utility Patents
#57 in Tokorozawa
#20,790 in Japan
#97,004 in the World
Forward Citations = 353
Company Filing History:
Tonen Corporation
Toa Nenryo Kogyo, K. K.
New Japan Chemical Co., Ltd.
4. 3 out of 1,415

5. 1 out of 15
Tonengeneral Sekiyu K.k.
where one patent can have more than one assignee
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