CL

Chang-Hum Lee

Samsung: 11 patents #12,136 of 75,807Top 20%
📍 Anyang-si, KR: #291 of 1,852 inventorsTop 20%
Overall (All Time): #463,114 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
8970181 Apparatus and method to charge a battery Jeong-gyu Park, Hyung Choi 2015-03-03
6963329 Portable computer system and controlling method thereof 2005-11-08
6483274 Device and method for displaying charge capacity information of smart battery 2002-11-19
6157169 Monitoring technique for accurately determining residual capacity of a battery 2000-12-05
6075345 Battery powered electronic system with an improved power management 2000-06-13
5994875 Battery charging apparatus and method with charging mode convertible function 1999-11-30
5986437 Power supply system for portable electronic devices 1999-11-16
5900717 Rechargeable battery charging circuit 1999-05-04
5861730 Battery charging apparatus 1999-01-19
5854617 Circuit and a method for controlling a backlight of a liquid crystal display in a portable computer Yun-Ho Choi 1998-12-29
5818172 Lamp control circuit having a brightness condition controller having 2.sup. n .sup.rd and 4.sup.th current paths 1998-10-06