Changchun Xu

Person

Shanghai, CN

People

Patents Grantslast 30 patents

Information Patent Grant
Communication method and apparatus
- Patent number 11,963,242
- Issue date Apr 16, 2024
- Huawei Technologies Co., Ltd.
- Changchun Xu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Mobility management method and apparatus
- Patent number 11,910,485
- Issue date Feb 20, 2024
- Huawei Technologies Co., Ltd.
- Changchun Xu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communication method and apparatus
- Patent number 11,743,075
- Issue date Aug 29, 2023
- Huawei Technologies Co., Ltd.
- Changchun Xu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Group communications method and system, and device
- Patent number 11,653,180
- Issue date May 16, 2023
- Huawei Technologies Co., Ltd.
- Changchun Xu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Session handling method and apparatus
- Patent number 11,540,337
- Issue date Dec 27, 2022
- Huawei Technologies Co., Ltd.
- Yuan Wang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communication method and device
- Patent number 11,463,280
- Issue date Oct 4, 2022
- Huawei Technologies Co., Ltd.
- Changchun Xu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Data transmission method, communications apparatus, and user plane...
- Patent number 11,432,205
- Issue date Aug 30, 2022
- Huawei Technologies Co., Ltd.
- Yexing Li
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Network management method and controller
- Patent number 11,064,551
- Issue date Jul 13, 2021
- Huawei Technologies Co., Ltd.
- Changchun Xu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Mobile collaborative communication method and apparatus
- Patent number 10,728,829
- Issue date Jul 28, 2020
- Huawei Technologies Co., Ltd.
- Changchun Xu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
WINDING OVERHANG MACHINING METHOD, WINDING OVERHANG STRUCTURE, AND...
- Publication number 20250015683
- Publication date Jan 9, 2025
- UNITED AUTOMOTIVE ELECTRONIC SYSTEMS CO., LTD.
- Xingxiang YU
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Communication Method and Apparatus
- Publication number 20220360469
- Publication date Nov 10, 2022
- Huawei Technologies Co., Ltd
- Changchun XU
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
MOBILITY MANAGEMENT METHOD AND APPARATUS
- Publication number 20210360392
- Publication date Nov 18, 2021
- Huawei Technologies Co., Ltd
- Changchun XU
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DATA COMMUNICATION METHOD AND APPARATUS
- Publication number 20210274395
- Publication date Sep 2, 2021
- Huawei Technologies Co., Ltd
- Feng YU
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
GROUP COMMUNICATIONS METHOD AND SYSTEM, AND DEVICE
- Publication number 20210274323
- Publication date Sep 2, 2021
- Huawei Technologies Co., Ltd
- Changchun XU
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
COMMUNICATION METHOD AND APPARATUS
- Publication number 20210204336
- Publication date Jul 1, 2021
- Huawei Technologies Co., Ltd
- Changchun XU
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Communication Method and Device
- Publication number 20210044454
- Publication date Feb 11, 2021
- Huawei Technologies Co., Ltd
- Changchun Xu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DATA TRANSMISSION METHOD, COMMUNICATIONS APPARATUS, AND USER PLANE...
- Publication number 20200367114
- Publication date Nov 19, 2020
- Huawei Technologies Co., Ltd
- Yexing LI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
User Group Establishment Method and Apparatus
- Publication number 20200296142
- Publication date Sep 17, 2020
- Huawei Technologies Co., Ltd
- Yuan Wang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD AND APPARATUS FOR DETERMINING ETHERNET MAC ADDRESS
- Publication number 20200259783
- Publication date Aug 13, 2020
- Huawei Technologies Co., Ltd
- Changchun XU
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Session Handling Method and Apparatus
- Publication number 20200187276
- Publication date Jun 11, 2020
- Huawei Technologies Co., Ltd
- Yuan Wang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD FOR DYNAMICALLY CREATING LOCAL PACKET DATA NETWORK, APPARATU...
- Publication number 20190208572
- Publication date Jul 4, 2019
- Huawei Technologies Co., Ltd
- Yan WANG
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
NETWORK MANAGEMENT METHOD AND CONTROLLER
- Publication number 20190191479
- Publication date Jun 20, 2019
- Huawei Technologies Co., Ltd
- Changchun Xu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
MOBILE COLLABORATIVE COMMUNICATION METHOD AND APPARATUS
- Publication number 20190037474
- Publication date Jan 31, 2019
- Huawei Technologies Co., Ltd
- Changchun Xu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Changchun Xu

Person

Patents Grantslast 30 patents

Communication method and apparatus

Mobility management method and apparatus

Communication method and apparatus

Group communications method and system, and device

Session handling method and apparatus

Communication method and device

Data transmission method, communications apparatus, and user plane...

Network management method and controller

Mobile collaborative communication method and apparatus

Patents Applicationslast 30 patents

WINDING OVERHANG MACHINING METHOD, WINDING OVERHANG STRUCTURE, AND...

Communication Method and Apparatus

MOBILITY MANAGEMENT METHOD AND APPARATUS

DATA COMMUNICATION METHOD AND APPARATUS

GROUP COMMUNICATIONS METHOD AND SYSTEM, AND DEVICE

COMMUNICATION METHOD AND APPARATUS

Communication Method and Device

DATA TRANSMISSION METHOD, COMMUNICATIONS APPARATUS, AND USER PLANE...

User Group Establishment Method and Apparatus

METHOD AND APPARATUS FOR DETERMINING ETHERNET MAC ADDRESS

Session Handling Method and Apparatus

METHOD FOR DYNAMICALLY CREATING LOCAL PACKET DATA NETWORK, APPARATU...

NETWORK MANAGEMENT METHOD AND CONTROLLER

MOBILE COLLABORATIVE COMMUNICATION METHOD AND APPARATUS