Inventor
LUNG EN-KUANG
US4 patents
Patents
4 patentsUS6292549B1Sep 18, 2001
Analog caller identification transmission method and apparatus
ALTIGEN COMMUNICATIONS INC100 citations95
US6493439B2Dec 10, 2002
Analog caller identification transmission method and apparatus
ALTIGEN COMMUNICATIONS INC77 citations94
US6532230B1Mar 11, 2003
Mixed-media communication apparatus and method
ALTIGEN COMMUNICATIONS INC44 citations90
US6909780B1Jun 21, 2005
Voice mail call out method and apparatus
ALTIGEN COMMUNICATIONS INC9 citations69