CK

Chang-Hoi Koo

Samsung: 84 patents #657 of 75,807Top 1%
BC Beijing Samsung Telecom R&D Center: 1 patents #28 of 73Top 40%
Overall (All Time): #20,692 of 4,157,543Top 1%
84
Patents All Time

Issued Patents All Time

Showing 76–84 of 84 patents

Patent #TitleCo-InventorsDate
6882632 Method and apparatus for releasing SCH in CDMA mobile communication system Hyun Seok Lee, Dae-Gyun Kim 2005-04-19
6859445 Channel assignment apparatus and method for a common packet channel in a WCDMA mobile communication system Hi-Chan Moon, Jae-Min Ahn, Hyun Seok Lee, Hee-Won Kang, Seong-III Park +7 more 2005-02-22
6850508 Apparatus and method for exchanging variable-length data according to a radio link protocol in a mobile communication system Hoon Chang, Hyun Seok Lee, Dae-Gyun Kim 2005-02-01
6831909 Channel assigning device and method in CDMA communication system Dae-Gyun Kim 2004-12-14
6804219 Data transmitting method in a CDMA system Hyun Seok Lee, Dae-Gyun Kim, Hoon Chang, Sung Won Lee 2004-10-12
6665313 Apparatus and method for exchanging variable-length data according to radio link protocol in mobile communication system Hoon Chang, Hyun Seok Lee, Dae-Gyun Kim 2003-12-16
6621809 Device and method for gating transmission in a CDMA mobile communication system Hyun Seok Lee, Dae-Cyun Kim, Jae-Min Ahn, Hoon Chang 2003-09-16
6504832 Channel assigning device and method using quasi-orthogonal code in a CDMA communication system Dae-Gyun Kim 2003-01-07
6477157 Dedicated control channel handoff in CDMA communication system Dae-Gyun Kim 2002-11-05