13 Utility Patents
#12,189 in Tokyo
#63,411 in Japan
#296,785 in the World
Forward Citations = 15
Company Filing History:
Mitsubishi Chemical Corporation


4. 2 out of 314
Dowa Electronics Materials Co., Ltd.
5. 1 out of 27
Solar Frontier K.k.
where one patent can have more than one assignee
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