17 Utility Patents
#28 in Iruma
#44,657 in Japan
#206,185 in the World
Forward Citations = 193
Company Filing History:
Toa Nenryo Kogyo Kabushiki Kaisha
Petroleum Energy Center
Tonen Corporation
4. 1 out of 1
Tao Nenryo Kogyo K.k.
where one patent can have more than one assignee
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