Inventor

BAI ZHIDONG

CN13 patents

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

HUAWEI TECH CO LTD

10 patents

US9913131B2Mar 6, 2018

Implementation and communication methods, apparatus and system of virtual subscriber identity module

HUAWEI TECH CO LTD4 citations82

US9674696B2Jun 6, 2017

Method and terminal device for keeping subscriber identity module card in standby state

HUAWEI TECH CO LTD4 citations82

US11979942B2May 7, 2024

Implementation and communication methods, apparatus and system of virtual subscriber identity module

HUAWEI TECH CO LTD0 citations61

US11601803B2Mar 7, 2023

Implementation and communication methods, apparatus and system of virtual subscriber identity module

HUAWEI TECH CO LTD0 citations61

US10917781B2Feb 9, 2021

Implementation and communication methods, apparatus and system of virtual subscriber identity module

HUAWEI TECH CO LTD0 citations61

US12028934B2Jul 2, 2024

Method and terminal for keeping subscriber identity module card in standby state

HUAWEI TECH CO LTD0 citations60

US11153746B2Oct 19, 2021

Method and terminal for keeping subscriber identity module card in standby state

HUAWEI TECH CO LTD0 citations60

US10511959B2Dec 17, 2019

Method and terminal for keeping subscriber identity module card in standby state

HUAWEI TECH CO LTD0 citations50

US10003962B2Jun 19, 2018

Method and terminal for keeping subscriber identity module card in standby state

HUAWEI TECH CO LTD0 citations50

US9769660B2Sep 19, 2017

Method for implementing SIM card function on terminal, terminal, and UICC

HUAWEI TECH CO LTD0 citations39

UNIV UTAH RES FOUND

3 patents

US11258410B2Feb 22, 2022

BAI ZHIDONG

HUAWEI TECH CO LTD

Implementation and communication methods, apparatus and system of virtual subscriber identity module

Method and terminal device for keeping subscriber identity module card in standby state

Implementation and communication methods, apparatus and system of virtual subscriber identity module

Implementation and communication methods, apparatus and system of virtual subscriber identity module

Implementation and communication methods, apparatus and system of virtual subscriber identity module

Method and terminal for keeping subscriber identity module card in standby state

Method and terminal for keeping subscriber identity module card in standby state

Method and terminal for keeping subscriber identity module card in standby state

Method and terminal for keeping subscriber identity module card in standby state

Method for implementing SIM card function on terminal, terminal, and UICC

UNIV UTAH RES FOUND

Apparatuses and methods for hybrid switched capacitor array power amplifiers

Apparatuses and methods for tunable digital power amplifiers

Apparatuses and methods for transmission beamforming