CK

Chi Yin Ko

TC The Tiffen Company: 1 patents #6 of 21Top 30%
UM United Microelectronics: 1 patents #2,686 of 4,560Top 60%
Overall (All Time): #2,210,462 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6349003 Camera with manually operated zoom lens — 2002-02-19
5733441 Pre-wet system for a filter Yu Deng, Shing-Sheng Yang, Hai Chih 1998-03-31