Lei Duan

USPTO Granted Patents = 12 (Patent Applications = 2)

Average Co-Inventor Count = 4.1

ph-index = 4

Forward Citations = 64(Granted Patents)

Company Filing History:

5 out of 54,638

Microsoft Technology Licensing, LLC

where one patent can have more than one assignee

Years Active: 2008-2018

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12 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 9959579 - Derivation and presentation of expertise summaries and interests for users (2018-05-01),

2. 9646032 - Temporal user engagement features (2017-05-09),

3. 9514216 - Automatic classification of segmented portions of web pages (2016-12-06),

4. 9104751 - Supplemental search results having social connection endorsement data on a SERP (2015-08-11),

5. 9015174 - Likefarm determination (2015-04-21),

6. 8849725 - Automatic classification of segmented portions of web pages (2014-09-30),

7. 8666984 - Unsupervised message clustering (2014-03-04),

8. 8112436 - Semantic and text matching techniques for network search (2012-02-07),

9. 7974970 - Detection of undesirable web pages (2011-07-05),

10. 7392186 - System and method for effectively implementing an optimized language model for speech recognition (2008-06-24),

11. 7353174 - System and method for effectively implementing a Mandarin Chinese speech recognition dictionary (2008-04-01),

12. 7353173 - System and method for Mandarin Chinese speech recognition using an optimized phone set (2008-04-01),

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2 patents pending:

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