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For the Inventor, By the Inventor

Beijing, China

Han Qian

USPTO Granted Patents = 4 

Average Co-Inventor Count = 2.6

ph-index = 1

Forward Citations = 2(Granted Patents)


Company Filing History:

goldMedal2 out of 1,836 
 
Empire Technology Development LLC
 patents
silverMedal2 out of 72 
 
Beijing Volcano Engine Technology Co., Ltd.
 patents
bronzeMedal2 out of 322 
 
Lemon Inc.
 patents
where one patent can have more than one assignee

Years Active: 2015-2025

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4 patents (USPTO):Explore Patents
1. 12511061 - Data storage method and apparatus, electronic device, and storage medium (2025-12-30),
2. 12498901 - Data processing method, apparatus, electronic device, and storage medium (2025-12-16),
3. 9407680 - Quality-of-experience measurement for voice services (2016-08-02),
4. 9185005 - Quality-of-experience measurement for voice services (2015-11-10),
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