Inventor

QIN LEI

CN43 patents

⚠️ This page may combine multiple inventors who share the name “QIN LEI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

QIN LEI

TENCENT TECH SHENZHEN CO LTD

Portion of a display screen for a graphical user interface

Portion of a display screen with animated graphical user interface

Portion of a display screen for a graphical user interface

Account login method, apparatus, and system

Account login method, apparatus, and system

System and method for identity authentication based on face recognition, and computer storage medium

Method for operating a designated service, service unlocking method, and terminal

Service locking method, apparatuses and systems thereof

ZHUHAI NINESTAR MAN CO LTD

Negative-pressure ink cartridge refilling device, system and method

Method for controlling light emission of ink cartridge, and ink cartridge

Ink cartridge chip, ink cartridge, and structural body

Method and apparatus for controlling light emission of ink cartridge

QIN LEI

Barbell plate

Recreational vehicle beam switch assembly

Ink cartridge for inkjet printer

UNIV JIANGXI SCI & TECHNOLOGY

Method for determining source sink term in ionic type rare earth ore leaching process

Ore volume-based zonal injection method for ionic rare earth ore

Method for optimizing liquid injection process of ionic rare earth ore

DONGGUAN AMPEREX TECH LTD

Energy storage system

Mounting stand, battery assembly, and energy storage system including the same

UNIV BEIJING INF SCI & TECH

Acoustic wave-based full-sea-depth-covering undersea wireless charging method and device

Shear vibration-based piezoelectric composite material and preparation method thereof

HUAWEI TECH CO LTD

Speech separation method, electronic device, chip, and computer- readable storage medium

Electronic device, speech recognition method therefor, and medium

IBM

Providing a custom virtual appliance

Providing a custom virtual appliance

UNIV ZHEJIANG TECHNOLOGY

Bimetallic metal-organic frameworks nanosheet based on zeolite imidazole framework/materials of institute Lavoisier topology and preparation method and application thereof

Directionally assembled flexible MOF hydrogel, and preparation method and proton conduction application thereof

BEIJING MICROLIVE VISION TECH CO LTD

Method and apparatus for pushing video content

ADEMCO INC

Systems and methods for activating and deactivating controlled devices in a secured area

UNIV TAIYUAN TECHNOLOGY

Method for preparing surface-active onion-like carbon nanospheres based on vapor deposition

ZHAO JIE

Mirror used as microwave antenna for motion sensor

HEFEI BOE OPTOELECTRONICS TECH

Pixel drive circuit and drive method thereof, and display device

NEC CHINA CO LTD

Method and a device for extracting color features

HONOR DEVICE CO LTD

Method for determining validity of facial feature, and electronic device

SCIENCE ACADEMY OF CHINA UNIV OF MINING

Using horizontal directional drilling and liquid nitrogen cyclic freeze-thaw process to improve permeability in gas drainage

CHENGDU BOE DISPLAY SCI TECH CO LTD

Curved liquid crystal display panel and curved display device

THE BRIGHAM AND WOMENS HOSPITAL

Hybrid perfusion-interleaved diffusion imaging

DUYN JEFF

Movement correction in MRI using a camera

ZHAO TIANFENG

Self-test method for a microwave module

WANHUA CHEMICAL GROUP CO LTD

Composite catalyst, preparation process thereof, and process for catalyzing the trimerization of butadiene using the composite catalyst

HONEYWELL INT INC

Smart lookdown function switch design for intrusion detectors

CONG WEN

Method and equipment for realizing concurrency of voice and data