Hwajin Cha

Person

Gyeonggi-do, KR

People

Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for minimizing interruption time of data trans...
- Patent number 11,432,212
- Issue date Aug 30, 2022
- Samsung Electronics Co., Ltd.
- Chulhee Jang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for performing the trace corresponding to a te...
- Patent number 11,343,668
- Issue date May 24, 2022
- Samsung Electronics Co., Ltd.
- Chungkeun Lee
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Apparatus and method for managing state of terminal in wireless com...
- Patent number 11,197,337
- Issue date Dec 7, 2021
- Samsung Electronics Co., Ltd.
- Kwangjin Choi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for supporting handover
- Patent number 11,026,134
- Issue date Jun 1, 2021
- Samsung Electronics Co., Ltd.
- Hwajin Cha
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for supporting handover in wireless communicat...
- Patent number 10,945,184
- Issue date Mar 9, 2021
- Samsung Electronics Co., Ltd.
- Hwajin Cha
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for minimizing interruption time of data trans...
- Patent number 10,764,799
- Issue date Sep 1, 2020
- Samsung Electronics Co., Ltd.
- Chulhee Jang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for performing the trace corresponding to a te...
- Patent number 10,735,942
- Issue date Aug 4, 2020
- Samsung Electronics Co., Ltd.
- Chungkeun Lee
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and device for providing circuit switching service in wirele...
- Patent number 10,736,012
- Issue date Aug 4, 2020
- Samsung Electronics Co., Ltd.
- Sunghoon Kim
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for transmitting and receiving paging message...
- Patent number 10,484,963
- Issue date Nov 19, 2019
- Samsung Electronics Co., Ltd.
- Hwajin Cha
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Base station and terminal connection management method of base station
- Patent number 10,383,169
- Issue date Aug 13, 2019
- Samsung Electronics Co., Ltd.
- Hwajin Cha
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Efficient session management method and apparatus guaranteeing term...
- Patent number 9,973,976
- Issue date May 15, 2018
- Samsung Electronics Co., Ltd.
- Sung Hwan Won
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
METHOD AND DEVICE FOR HANDLING LINK FAILURE IN WIRELESS COMMUNICATI...
- Publication number 20220353776
- Publication date Nov 3, 2022
- Samsung Electronics Co., Ltd.
- Seungbo YOO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD AND APPARATUS FOR PERFORMING THE TRACE CORRESPONDING TO A TE...
- Publication number 20200367047
- Publication date Nov 19, 2020
- Samsung Electronics Co., Ltd.
- Chungkeun LEE
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD AND APPARATUS FOR MINIMIZING INTERRUPTION TIME OF DATA TRANS...
- Publication number 20200367123
- Publication date Nov 19, 2020
- SAMSUNG ELECTRONICS CO., LTD.
- Chulhee JANG
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD AND APPARATUS FOR TRANSMITTING AND RECEIVING SIGNALS IN WIRE...
- Publication number 20200163144
- Publication date May 21, 2020
- Samsung Electronics Co., Ltd.
- Sunheui RYOO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
APPARATUS AND METHOD FOR MANAGING STATE OF TERMINAL IN WIRELESS COM...
- Publication number 20190215890
- Publication date Jul 11, 2019
- Samsung Electronics Co., Ltd.
- Kwangjin Choi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD AND DEVICE FOR PROVIDING CIRCUIT SWITCHING SERVICE IN WIRELE...
- Publication number 20190132782
- Publication date May 2, 2019
- Samsung Electronics Co., LTD
- Sunghoon KIM
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD AND APPARATUS FOR SUPPORTING HANDOVER IN WIRELESS COMMUNICAT...
- Publication number 20190110237
- Publication date Apr 11, 2019
- Samsung Electronics Co., Ltd.
- Hwajin CHA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD AND APPARATUS FOR SUPPORTING HANDOVER
- Publication number 20190098546
- Publication date Mar 28, 2019
- Samsung Electronics Co., LTD
- Hwajin CHA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD AND APPARATUS FOR MINIMIZING INTERRUPTION TIME OF DATA TRANS...
- Publication number 20190037457
- Publication date Jan 31, 2019
- Samsung Electronics Co., LTD
- Chulhee JANG
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD AND APPARATUS FOR PERFORMING THE TRACE CORRESPONDING TO A TE...
- Publication number 20190028879
- Publication date Jan 24, 2019
- Samsung Electronics Co., LTD
- Chungkeun LEE
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD AND APPARATUS FOR TRANSMITTING AND RECEIVING PAGING MESSAGE...
- Publication number 20180317201
- Publication date Nov 1, 2018
- Samsung Electronics Co., Ltd.
- Hwajin CHA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD AND APPARATUS FOR IMPROVING MOBILITY IN WIRELESS COMMUNICATI...
- Publication number 20170094577
- Publication date Mar 30, 2017
- Samsung Electronics Co., Ltd.
- Sunghoon Kim
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
BASE STATION AND TERMINAL CONNECTION MANAGEMENT METHOD OF BASE STATION
- Publication number 20170055314
- Publication date Feb 23, 2017
- Samsung Electronics Co., LTD
- Hwajin CHA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
EFFICIENT SESSION MANAGEMENT METHOD AND APPARATUS GUARANTEEING TERM...
- Publication number 20150215822
- Publication date Jul 30, 2015
- Samsung Electronics Co., Ltd.
- Sung Hwan Won
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Person

Patents Grantslast 30 patents

Method and apparatus for minimizing interruption time of data trans...

Method and apparatus for performing the trace corresponding to a te...

Apparatus and method for managing state of terminal in wireless com...

Method and apparatus for supporting handover

Method and apparatus for supporting handover in wireless communicat...

Method and apparatus for minimizing interruption time of data trans...

Method and apparatus for performing the trace corresponding to a te...

Method and device for providing circuit switching service in wirele...

Method and apparatus for transmitting and receiving paging message...

Base station and terminal connection management method of base station

Efficient session management method and apparatus guaranteeing term...

Patents Applicationslast 30 patents

METHOD AND DEVICE FOR HANDLING LINK FAILURE IN WIRELESS COMMUNICATI...

METHOD AND APPARATUS FOR PERFORMING THE TRACE CORRESPONDING TO A TE...

METHOD AND APPARATUS FOR MINIMIZING INTERRUPTION TIME OF DATA TRANS...

METHOD AND APPARATUS FOR TRANSMITTING AND RECEIVING SIGNALS IN WIRE...

APPARATUS AND METHOD FOR MANAGING STATE OF TERMINAL IN WIRELESS COM...

METHOD AND DEVICE FOR PROVIDING CIRCUIT SWITCHING SERVICE IN WIRELE...

METHOD AND APPARATUS FOR SUPPORTING HANDOVER IN WIRELESS COMMUNICAT...

METHOD AND APPARATUS FOR SUPPORTING HANDOVER

METHOD AND APPARATUS FOR MINIMIZING INTERRUPTION TIME OF DATA TRANS...

METHOD AND APPARATUS FOR PERFORMING THE TRACE CORRESPONDING TO A TE...

METHOD AND APPARATUS FOR TRANSMITTING AND RECEIVING PAGING MESSAGE...

METHOD AND APPARATUS FOR IMPROVING MOBILITY IN WIRELESS COMMUNICATI...

BASE STATION AND TERMINAL CONNECTION MANAGEMENT METHOD OF BASE STATION

EFFICIENT SESSION MANAGEMENT METHOD AND APPARATUS GUARANTEEING TERM...