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Patents Grants
last 30 patents
Information
Patent Grant
Hydrogenation catalyst, preparation process thereof and use thereof
Patent number
12,343,709
Issue date
Jul 1, 2025
China Petroleum and Chemical Corporation
Li Liu
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Method and apparatus for indicating fault status
Patent number
12,308,982
Issue date
May 20, 2025
Huawei Technologies Co., Ltd.
Desheng Sun
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Voltage regulation circuit and method, operation system, integrated...
Patent number
12,210,364
Issue date
Jan 28, 2025
Huawei Technologies Co., Ltd.
Taiyuan Liu
G05 - CONTROLLING REGULATING
Information
Patent Grant
Direct current (DC) transformer error detection apparatus for pulsa...
Patent number
12,146,925
Issue date
Nov 19, 2024
State Grid Hubei Marketing Service Center (Measurement Center)
Xin Zheng
G01 - MEASURING TESTING
Information
Patent Grant
Polysilicon resistor
Patent number
11,948,967
Issue date
Apr 2, 2024
Huawei Technologies Co., Ltd.
Ding Li
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Online analysis system and method for line loss of transmission line
Patent number
11,852,669
Issue date
Dec 26, 2023
State Grid Hubei Marketing Service Center (Measurement Center)
Sike Wang
G01 - MEASURING TESTING
Information
Patent Grant
Method and apparatus for indicating fault status
Patent number
11,843,504
Issue date
Dec 12, 2023
Huawei Technologies Co., Ltd.
Desheng Sun
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Ethernet data transmission method and communications device
Patent number
11,606,167
Issue date
Mar 14, 2023
Huawei Technologies Co., Ltd.
Desheng Sun
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Heating electrode for lowering stress of light waveguide and VOA th...
Patent number
11,397,340
Issue date
Jul 26, 2022
Accelink Technologies Co., Ltd.
Weidong Ma
G02 - OPTICS
Information
Patent Grant
Flip-chip die package structure and electronic device
Patent number
11,251,136
Issue date
Feb 15, 2022
Huawei Technologies Co., Ltd.
Wei Wu
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Device and method for detecting misconnection of electric meters
Patent number
11,163,018
Issue date
Nov 2, 2021
STATE GRID HUBEI ELECTRIC POWER CO., LTD. MEASUREMENT CENTER
Wei Wei
G08 - SIGNALLING
Information
Patent Grant
Audio play circuit and audio play device
Patent number
11,139,784
Issue date
Oct 5, 2021
Huawei Technologies Co., Ltd.
Deyang Yin
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Data prefetching method and apparatus, and storage device
Patent number
11,099,997
Issue date
Aug 24, 2021
Huawei Technologies Co., Ltd.
Chunhua Tan
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Audio processing circuit and terminal device
Patent number
10,903,801
Issue date
Jan 26, 2021
Huawei Technologies Co., Ltd.
Deyang Yin
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Pop sound suppression method, audio output circuit, and terminal
Patent number
10,893,360
Issue date
Jan 12, 2021
Huawei Technologies Co., Ltd.
Ding Li
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Digital-to-analog conversion circuit
Patent number
10,608,653
Issue date
Mar 31, 2020
Huawei Technologies Co., Ltd.
Ding Li
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Circuit system
Patent number
10,560,054
Issue date
Feb 11, 2020
Huawei Technologies Co., Ltd.
Ding Li
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Digital-to-analog conversion circuit
Patent number
10,224,947
Issue date
Mar 5, 2019
Huawei Technologies Co., Ltd.
Ding Li
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Chip package structure and chip packaging method
Patent number
9,466,597
Issue date
Oct 11, 2016
Huawei Technologies Co., Ltd.
Weifeng Liu
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Correction circuit and real-time clock circuit
Patent number
9,362,920
Issue date
Jun 7, 2016
Huawei Technologies Co., Ltd.
Jinxiu Liu
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Multilayer circuit board and manufacturing method thereof
Patent number
9,018,531
Issue date
Apr 28, 2015
Huawei Technologies Co., Ltd.
Li Ding
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Comparator and analog-to-digital
Patent number
8,446,178
Issue date
May 21, 2013
Huawei Technologies Co., Ltd.
Shifu Pang
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Mounting apparatus for storage device
Patent number
8,074,942
Issue date
Dec 13, 2011
Hon Hai Precision Industry Co., Ltd.
Bin Huang
G11 - INFORMATION STORAGE
Information
Patent Grant
Computer bezel
Patent number
7,722,137
Issue date
May 25, 2010
Hong Fu Jin Precision Industry (ShenZhen) Co., Ltd.
Ding-Fang Li
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
System and method for testing a link control card
Patent number
7,479,781
Issue date
Jan 20, 2009
Hong Fu Jin Precision Industry (Shenzhen) Co., Ltd.
Kang Wu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Mounting apparatus for storage device
Patent number
7,342,781
Issue date
Mar 11, 2008
Hong Fu Jin Precision Industry (Shenzen) Co., Ltd.
Ding-Fang Li
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Computer enclosure
Patent number
7,142,431
Issue date
Nov 28, 2006
Hong Fu Jin Precision Industry (Shenzhen) Co., Ltd.
Ding-Fang Li
G06 - COMPUTING CALCULATING COUNTING
Patents Applications
last 30 patents
Information
Patent Application
Data Transmission Method, Device, Readable Storage Medium, and Chip...
Publication number
20250007691
Publication date
Jan 2, 2025
Huawei Technologies Co., Ltd
Li DING
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
SENDING METHOD, RECEIVING METHOD, APPARATUS, SYSTEM, DEVICE, AND ST...
Publication number
20240364455
Publication date
Oct 31, 2024
HUAWEI TECHNOLOGIES CO., LTD.
Yongzhi LIU
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
CIRCUIT DESIGN METHOD AND RELATED DEVICE
Publication number
20240135075
Publication date
Apr 25, 2024
HUAWEI TECHNOLOGIES CO., LTD.
Ding Li
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
DIRECT CURRENT (DC) TRANSFORMER ERROR DETECTION APPARATUS FOR PULSA...
Publication number
20240103097
Publication date
Mar 28, 2024
State Grid Hubei Marketing Service Center (Measurement Center)
Xin Zheng
G01 - MEASURING TESTING
Information
Patent Application
METHOD AND APPARATUS FOR INDICATING FAULT STATUS
Publication number
20240048438
Publication date
Feb 8, 2024
Huawei Technologies Co., Ltd
Desheng Sun
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Status Notification Method, Optical Module, Network Device, and Net...
Publication number
20230353255
Publication date
Nov 2, 2023
Huawei Technologies Co., Ltd
Li Ding
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
DATA TRANSMISSION METHOD, COMMUNICATION APPARATUS, AND COMMUNICATIO...
Publication number
20230327852
Publication date
Oct 12, 2023
Huawei Technologies Co., Ltd
Desheng SUN
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
DATA TRANSMISSION METHOD, COMMUNICATION APPARATUS, AND COMMUNICATIO...
Publication number
20230308259
Publication date
Sep 28, 2023
HUAWEI TECHNOLOGIES CO., LTD.
Desheng SUN
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
DATA TRANSMISSION METHOD AND RELATED APPARATUS
Publication number
20230262680
Publication date
Aug 17, 2023
Huawei Technologies Co., Ltd
Desheng Sun
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Bit Block Sending Method and Apparatus
Publication number
20230171024
Publication date
Jun 1, 2023
Huawei Technologies Co., Ltd
Desheng Sun
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
VOLTAGE REGULATION CIRCUIT AND METHOD, OPERATION SYSTEM, INTEGRATED...
Publication number
20230113887
Publication date
Apr 13, 2023
Huawei Technologies Co., Ltd
Taiyuan Liu
G05 - CONTROLLING REGULATING
Information
Patent Application
HYDROGENATION CATALYST, PREPARATION PROCESS THEREOF AND USE THEREOF
Publication number
20220362751
Publication date
Nov 17, 2022
China Petroleum and Chemical Corporation
Li LIU
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
ONLINE ANALYSIS SYSTEM AND METHOD FOR LINE LOSS OF TRANSMISSION LINE
Publication number
20220349931
Publication date
Nov 3, 2022
State Grid Hubei Marketing Service Center (Measurement Center)
Sike Wang
G01 - MEASURING TESTING
Information
Patent Application
Ethernet Data Transmission Method and Communications Device
Publication number
20220094463
Publication date
Mar 24, 2022
Huawei Technologies, Co., Ltd.
Desheng Sun
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
METHOD AND APPARATUS FOR INDICATING FAULT STATUS
Publication number
20220094591
Publication date
Mar 24, 2022
Huawei Technologies Co.,Ltd.
Desheng Sun
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
DEVICE AND METHOD FOR DETECTING MISCONNECTION OF ELECTRIC METERS
Publication number
20210341550
Publication date
Nov 4, 2021
STATE GRID HUBEI ELECTRIC POWER CO., LTD. MEASUREMENT CENTER
Wei Wei
G01 - MEASURING TESTING
Information
Patent Application
POLYSILICON RESISTOR
Publication number
20210043720
Publication date
Feb 11, 2021
Huawei Technologies Co., Ltd
Ding Li
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Flip-Chip Die Package Structure and Electronic Device
Publication number
20210013154
Publication date
Jan 14, 2021
Huawei Technologies Co., Ltd
Wei Wu
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Heating Electrode For Lowering Stress Of Light Waveguide And Voa Th...
Publication number
20200348542
Publication date
Nov 5, 2020
Accelink Technologies Co., Ltd.
Weidong Ma
G02 - OPTICS
Information
Patent Application
DATA PREFETCHING METHOD AND APPARATUS, AND STORAGE DEVICE
Publication number
20200327061
Publication date
Oct 15, 2020
Huawei Technologies Co., Ltd
Chunhua Tan
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
AUDIO PLAY CIRCUIT AND AUDIO PLAY DEVICE
Publication number
20200228069
Publication date
Jul 16, 2020
Huawei Technologies Co., Ltd
Deyang Yin
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Audio Processing Circuit and Terminal Device
Publication number
20200127613
Publication date
Apr 23, 2020
Huawei Technologies Co., Ltd
Deyang Yin
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Pop Sound Suppression Method, Audio Output Circuit, and Terminal
Publication number
20200045417
Publication date
Feb 6, 2020
Huawei Technologies Co., Ltd
Ding Li
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
DIGITAL-TO-ANALOG CONVERSION CIRCUIT
Publication number
20190229739
Publication date
Jul 25, 2019
Huawei Technologies Co., Ltd
Ding LI
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
CIRCUIT SYSTEM
Publication number
20180248520
Publication date
Aug 30, 2018
Huawei Technologies Co., Ltd
Ding Li
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
DIGITAL-TO-ANALOG CONVERSION CIRCUIT
Publication number
20180191363
Publication date
Jul 5, 2018
Huawei Technologies Co., Ltd
Ding LI
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
CHIP PACKAGE STRUCTURE AND CHIP PACKAGING METHOD
Publication number
20140346661
Publication date
Nov 27, 2014
Weifeng Liu
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
CORRECTION CIRCUIT AND REAL-TIME CLOCK CIRCUIT
Publication number
20140247072
Publication date
Sep 4, 2014
Huawei Technologies Co., Ltd
Jinxiu LIU
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Multilayer Circuit Board and Manufacturing Method Thereof
Publication number
20130081859
Publication date
Apr 4, 2013
Huawei Technologies Co., Ltd
Li Ding
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
COMPARATOR AND ANALOG-TO-DIGITAL
Publication number
20120161872
Publication date
Jun 28, 2012
Huawei Admintration Building
Shifu Pang
H03 - BASIC ELECTRONIC CIRCUITRY