Inventor

LIU DEZHI

CN18 patents

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

LIU DEZHI

UNIV SOUTHWEST PETROLEUM

Method and system for obtaining micro-nano level fracture model and evaluating plugging performance of drilling fluid

Preparation method of fully adaptive modified nanographene plugging type anti-collapse drilling fluid and use thereof

Modified polyvinyl acetate and preparation method and use thereof and oil-based drilling fluid

Oil-based drilling fluid composition, oil-based drilling fluid and preparation method and use thereof

SHENZHEN HOLLYLAND TECH CO LTD

Audio and video transmission devices and audio and video transmission systems

Wireless transmission system and transmitting control device

Methods for controlling video data acquisition, apparatus, and systems for wireless transmission

Interface conversion apparatus, communication system, and echo cancellation method and apparatus

CORBIN O BRADLEY

HDMI extender with bidirectional power over twisted pair

HDMI extender with bidirectional power over twisted pair

HDMI extender with bidirectional power over twisted pair

HDMI extender with bidirectional power over twisted pair

ZAP SURGICAL SYSTEMS INC

Display screen or portion thereof with graphical user interface for a radiation treatment

Display screen or portion thereof with graphical user interface for a radiation treatment

VANCO INT LLC

HDMI extender with bidirectional power over twisted pair

HDMI extender with bidirectional power over twisted pair

TENCENT TECH SHENZHEN CO LTD

Transaction processing method, apparatus, and device and computer storage medium

Method and apparatus for training recommendation model, computer device, and storage medium