Han Qian

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Beijing, CN

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Patents Grantslast 30 patents

Information Patent Grant
Quality-of-experience measurement for voice services
- Patent number 9,407,680
- Issue date Aug 2, 2016
- EMPIRE TECHNOLOGY DEVELOPMENT LLC
- Junwei Cao
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Quality-of-experience measurement for voice services
- Patent number 9,185,005
- Issue date Nov 10, 2015
- EMPIRE TECHNOLOGY DEVELOPMENT LLC
- Junwei Cao
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
DATA PROCESSING METHOD, APPARATUS, ELECTRONIC DEVICE, AND STORAGE M...
- Publication number 20240329925
- Publication date Oct 3, 2024
- Beijing Volcano Engine Technology Co., Ltd.
- Kai XIE
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
DATA STORAGE METHOD AND APPARATUS, ELECTRONIC DEVICE, AND STORAGE M...
- Publication number 20240272815
- Publication date Aug 15, 2024
- Beijing Volcano Engine Technology Co., Ltd.
- Kai XIE
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
DATA STORAGE METHOD AND APPARATUS, ELECTRONIC DEVICE, AND STORAGE M...
- Publication number 20240272814
- Publication date Aug 15, 2024
- Beijing Volcano Engine Technology Co., Ltd.
- Han QIAN
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
QUALITY-OF-EXPERIENCE MEASUREMENT FOR VOICE SERVICES
- Publication number 20160014187
- Publication date Jan 14, 2016
- EMPIRE TECHNOLOGY DEVELOPMENT LLC
- Junwei Cao
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
QUALITY-OF-EXPERIENCE MEASUREMENT FOR VOICE SERVICES
- Publication number 20130051271
- Publication date Feb 28, 2013
- EMPIRE TECHNOLOGY DEVELOPMENT LLC
- Junwei Cao
- G10 - MUSICAL INSTRUMENTS ACOUSTICS