JY

Jung-Chuan Yen

📍 Tainan, TW: #1,324 of 4,566 inventorsTop 30%
Overall (All Time): #1,284,575 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6008983 Adjusting device for a screen of a computer 1999-12-28
5803744 Computer typing learning device 1998-09-08
5560081 Joining sleeve assembly for joining metal cookware with a cookware handle 1996-10-01
5026477 Water purifying combination and ultraviolet lamp therefor 1991-06-25