28 Utility Patents
#21 in Okayama
#21,264 in Japan
#97,141 in the World
Forward Citations = 48
Company Filing History:
Dowa Electronics Materials Co., Ltd.
Dowa Holdings Co., Ltd.
4. 3 out of 217
Dowa Mining Co., Ltd.
5. 1 out of 4
The University of Shiga Prefecture
where one patent can have more than one assignee
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