QW

Qingfeng Wan

NC Ningxia Orient Tantalum Industry Co.: 1 patents #1 of 14Top 8%
📍 Gaozhuang, CN: #1 of 6 inventorsTop 20%
Overall (2018): #272,213 of 503,207Top 55%
1
Patents 2018

Issued Patents 2018

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10121597 Tantalum wire used for anode lead of tantalum capacitor and manufacturing method thereof Bing Zhao, Linghui Du, Yongxu Xie, Huifeng Wang, Guohua Qiu 2018-11-06