8 Utility Patents
#237 in Tokorozawa
#107,301 in Japan
#520,179 in the World
Forward Citations = 103
Company Filing History:
Tonen Sekiyukagaku Kabushiki Kaisha
Nippondenso Co., Ltd.

4. 1 out of 39
Toa Nenryo Kogyo, K. K.
5. 1 out of 220
Toa Nenryo Kogyo Kabushiki Kaisha
where one patent can have more than one assignee
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