18 Utility Patents
#3,935 in Kanagawa
#41,943 in Japan
#194,555 in the World
Forward Citations = 122
Company Filing History:
Toa Nenryo Kogyo Kabushiki Kaisha
Toa Nenryo Kogyo, K. K.

4. 1 out of 17
Tonen Sekiyukagaku Kabushiki Kaisha
where one patent can have more than one assignee
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