42 Utility Patents
#156 in Saitama 343-0827
#10,912 in Japan
#52,364 in the World
Forward Citations = 727
Company Filing History:
Toa Nenryo Kogyo Kabushiki Kaisha

Tonen Corporation
4. 6 out of 52,633

5. 5 out of 681

where one patent can have more than one assignee
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