Chou Yen

Overall (All Time): #2,303,453 of 4,157,543Top 60%

2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
5249616	Double-layer window with shade roller unit for regulating the light	—	1993-10-05
5231530	Liquid display device for regulating the light passing through	—	1993-07-27