YC

Yun-Yi Chang

CO Comcast: 1 patents #2,409 of 4,447Top 55%
Overall (All Time): #2,175,496 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7152443 Lockable case Chien-Ta Lin, Kuo-Kuang Liu 2006-12-26
6637066 Method for making comfortable bathing scrubber 2003-10-28