38 Utility Patents
#2,826 in Tokyo
#12,937 in Japan
#61,634 in the World
Forward Citations = 392
Company Filing History:
Dowa Electronics Materials Co., Ltd.

Dowa Mining Co., Ltd.
4. 4 out of 2,325
Mitsubishi Chemical Corporation
5. 1 out of 960

where one patent can have more than one assignee
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