15 Utility Patents
#891 in Saitama 343-0827
#53,393 in Japan
#248,912 in the World
Forward Citations = 104
Company Filing History:
Toa Nenryo Kogyo Kabushiki Kaisha
Tonen Corporation

4. 1 out of 2,247

5. 1 out of 39
Toa Nenryo Kogyo, K. K.
where one patent can have more than one assignee
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