CY

Ching-Shyan Yen

RI Reliance International: 1 patents #7 of 17Top 45%
Overall (All Time): #2,561,369 of 4,157,543Top 65%
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Patent #TitleCo-InventorsDate
11551648 Saxophone having auxiliary side Bb key Sheng-Chieh Yang, Wei-Ting Chen 2023-01-10