32 Utility Patents
#274 in Saitama 343-0827
#17,706 in Japan
#82,936 in the World
Forward Citations = 323
Company Filing History:
Tonen Corporation
Toa Nenryo Kogyo, K. K.
Toa Nenryo Kogyo Kabushiki Kaisha
4. 4 out of 47
Tonen Chemical Corporation
5. 1 out of 75

where one patent can have more than one assignee
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