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 51–75 of 84 patents

Patent #TitleCo-InventorsDate
7336953 System and method for determining handover at a base station request in a broadband wireless access communication system So-Hyun Kim, Jung-Je Son 2008-02-26
7327709 Data transmitting and receiving method in a mobile communication system Dong-Seek Park, Dae-Gyun Kim, Beom-Sik Bae 2008-02-05
7324484 Reverse link controlling method in a mobile communication system Beom-Sik Bae, Dong-Seek Park, Dae-Gyun Kim, Young-Wook Jung, Dong-Ho Cho +1 more 2008-01-29
7317711 Method of controlling reverse transmission in a mobile communication system Beom-Sik Bae, Dong-Seek Park, Dae-Gyun Kim 2008-01-08
7310303 Ranging method for mobile communication system based on orthogonal frequency division multiple access scheme Dong-Seek Park, Pan-Yuh Joo 2007-12-18
7283482 Reverse data transmission apparatus and method in a mobile communication system Dong-Seek Park, Dae-Gyun Kim, Ho-Kyu Choi, Beom-Sik Bae, Hwan-Joon Kwon +2 more 2007-10-16
7269145 Mode transition method for wireless data service in a mobile station Beom-Sik Bae, Dong-Seek Park, Dae-Gyun Kim, Jung-Su Jung 2007-09-11
7260405 Method for measuring and reporting channel quality in a broadband wireless access communication system So-Hyun Kim, Jung-Je Son, Yeong-Moon Son 2007-08-21
7236740 Data retransmission apparatus and method in a mobile communication system employing HARQ technique Kyou-Woong Kim, Hwan-Joon Kwon 2007-06-26
7218619 Call admission method in CDMA mobile communication system Kyou-Woong Kim 2007-05-15
7185257 Data transmitting/receiving method in HARQ data communication system Min-Koo Kim, Dong-Seek Park, Dae-Gyun Kim 2007-02-27
7184447 Apparatus and method for designating a reverse common channel for dedicated communication in a mobile communication system Hyun Seok Lee 2007-02-27
7162541 Apparatus and method for providing data service in a wireless system Dong-Seek Park, Dae-Gyun Kim 2007-01-09
7161924 Device and method for transmitting multimedia data in mobile communication system Min-Goo Kim, Dae-Gyun Kim, Dong-Seek Park 2007-01-09
7113496 Apparatus and method for assigning a common packet channel in a CDMA communication system Sung-Ho Choi, Ki-Ho Jung, Hyun Woo Lee, Ho-Kyu Choi, Kyou-Woong Kim +3 more 2006-09-26
7068681 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 2006-06-27
7061890 Method for selecting RACH in a CDMA mobile communication system Kyou-Woong Kim 2006-06-13
7058124 Reverse data transmission method and apparatus in mobile communication system 2006-06-06
7039029 Device and method for gating transmission in a CDMA mobile communication system Hyun Seok Lee, Dae-Gyun Kim, Jae-Min Ahn, Hoon Chang 2006-05-02
6963540 Apparatus and method for assigning a common packet channel in a CDMA communication system Sung-Ho Choi, Seong-III Park, Ki-Ho Jung, Hyun Woo Lee, Kyou-Woong Kim +6 more 2005-11-08
6961326 Apparatus and method for transmitting variable-length data according to a radio link protocol in a mobile communication system Hoon Chang, Hyun Seok Lee, Dae-Gyun Kim 2005-11-01
6937864 Transmission apparatus and method for multimedia service in mobile communication system Dong-Seek Park, Dae-Gyun Kim, Beom-Sik Bae 2005-08-30
6920152 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 2005-07-19
6895010 Apparatus and method for transmitting and receiving data according to radio link protocol in a mobile communications systems Hoon Chang, Hyun Seok Lee, Dae-Gyun Kim 2005-05-17
6889048 Call processing method and apparatus for effective QoS control in mobile communication system 2005-05-03