JC

John Y. Chai

📍 Sha Tin, CN: #514 of 2,424 inventorsTop 25%
Overall (All Time): #1,559,708 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
7910840 Apparatus and method for determining growth status of a human subject 2011-03-22
7487677 Apparatus and methods for monitoring water consumption and filter usage Sunny Chai, Derek Ko 2009-02-10
7107838 Apparatus and methods for monitoring water consumption and filter usage Sunny Chai, Derek Ko 2006-09-19