YL

Yang Shao Lin

TL Tymphany Hk Limited: 1 patents #17 of 32Top 55%
Overall (All Time): #2,863,021 of 4,157,543Top 70%
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Patent #TitleCo-InventorsDate
D851070 Acousic transducer Zhan Yu Bing, Xie hong Zai 2019-06-11