P

Inventor

SONG LIYAN

CN5 patents
⚠️ This page may combine multiple inventors who share the name “SONG LIYAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HUAWEI TECH CO LTD

3 patents
US8775188B2Jul 8, 2014

Method, device, and system for voice approval

HUAWEI TECH CO LTD6 citations68
US9843775B2Dec 12, 2017

Surveillance video playback method, device, and system

HUAWEI TECH CO LTD0 citations38
US9584452B2Feb 28, 2017

Method, apparatus, and system for adding electronic mail attachment

HUAWEI TECH CO LTD0 citations38

GUANGZHOU WINSTAR MEDICAL TECH COMPANY LIMITED

1 patent
US11766211B2Sep 26, 2023

Uterus OCT catheter and uterus OCT equipment with pull-back function

GUANGZHOU WINSTAR MEDICAL TECH COMPANY LIMITED0 citations37

YI ZHIQUAN

1 patent
US8284767B2Oct 9, 2012

Call processing method, system and equipment of same number service

YI ZHIQUAN0 citations32