8 Utility Patents
#1 in Ooi-machi
#107,392 in Japan
#521,303 in the World
Forward Citations = 217
Company Filing History:
Toa Nenryo Kogyo Kabushiki Kaisha
Asahi Kogaku Kogyo Kabushiki Kaisha
Toa Nenryo Kogyo, K. K.
where one patent can have more than one assignee
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