LY

Liang-Lin Yen

UN Unknown: 1 patents #29,356 of 83,584Top 40%
Overall (All Time): #2,832,081 of 4,157,543Top 70%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
10863923 Spirometer, mouthpiece tube and inspection method thereof Chia-Hung Chen, Hsiao-Pao Yen, Chia-Chi Su 2020-12-15