11 Utility Patents
#14,115 in Tokyo
#75,633 in Japan
#353,483 in the World
Forward Citations = 5
Company Filing History:
Dowa Electronics Materials Co., Ltd.
Dowa Holdings Co., Ltd.
Dowa Mining Co., Ltd.
4. 1 out of 823

5. 1 out of 34,800

where one patent can have more than one assignee
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