13 Utility Patents
#1,071 in Saitama 343-0827
#63,377 in Japan
#296,533 in the World
Forward Citations = 171
Company Filing History:
Toa Nenryo Kogyo Kabushiki Kaisha
Asahi Kogaku Kogyo Kabushiki Kaisha
Toa Nenryo Kogyo, K. K.
4. 1 out of 141
Tonen Corporation
5. 1 out of 3
Tao Nenryo Kogyo Kabushiki Kaisha
where one patent can have more than one assignee
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