Inventor

ZHENG WEIHUA

US4 patents

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

HUAWEI TECH CO LTD

2 patents

US6912383B1Jun 28, 2005

Implementing method for adding monetary value of mobile prepayment service in different locations

HUAWEI TECH CO LTD23 citations83

US7151935B2Dec 19, 2006

Method for initiative setting up calls by service control point in mobile intelligent network

HUAWEI TECH CO LTD3 citations58

SERIONIX INC

2 patents

US10926219B2Feb 23, 2021

Gas filters for basic contaminants

SERIONIX INC0 citations48

US10639588B2May 5, 2020

Gas filters for acidic contaminants

SERIONIX INC0 citations37