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Yi Yan

NL Nuctech Company Limited: 1 patents #306 of 517Top 60%
SC Sinocat Environmental Technology Co.: 1 patents #11 of 27Top 45%
Overall (All Time): #1,817,040 of 4,157,543Top 45%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11731119 Integrated catalyst system for stoichiometric-burn natural gas vehicles and preparation method therefor Yongxiang Cheng, Yun-Hsin Wang, Hongyi Du, Ganxue Wu, Xueqing Zhou +4 more 2023-08-22
9747678 Customs inspection and release system and method Zhiqiang Chen, Yuanjing Li, Xianghao Wu, Jundi Dai, Xu Fang +1 more 2017-08-29