YW

Yaping WAN

JL Johnson Matthey (Shanghai) Chemicals Limited: 2 patents #6 of 18Top 35%
Overall (All Time): #1,797,792 of 4,157,543Top 45%
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Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11577234 Three-zone two-layer TWC catalyst in gasoline waste gas applications Wenjie Dong, Hongyu Ji, Dongsheng QIAO 2023-02-14
11110447 Three-zone two-layer TWC catalyst in gasoline waste gas applications Wenjie Dong, Hongyu Ji, Dongsheng QIAO 2021-09-07