Inventor

YUAN XIAOHUA

CN5 patents

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

SYNIVERSE COMMUNICATIONS INC

3 patents

US9749904B1Aug 29, 2017

Circuit switch voice roaming to LTE network

SYNIVERSE COMMUNICATIONS INC23 citations91

US9426658B2Aug 23, 2016

Method of and system for data access over dual data channels with dynamic SIM credential

SYNIVERSE COMMUNICATIONS INC1 citations59

US9749316B1Aug 29, 2017

Method for data access using a dynamic SIM credential

SYNIVERSE COMMUNICATIONS INC0 citations48

ZHANG DAVID XINING

1 patent

US8838070B2Sep 16, 2014

Method of and system for data access over dual data channels with dynamic sim credential

ZHANG DAVID XINING5 citations81

GUANGZHOU MUNICIPAL ENG TESTING CO LTD

1 patent

US11986907B2May 21, 2024

Automatic weldding method and device for prestressed tubular piles

GUANGZHOU MUNICIPAL ENG TESTING CO LTD0 citations42