Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
CN

Calin Negreanu — 7 Patents

Microsoft: 7 patents #6,431 of 40,388Top 20%
Lake Oswego, OR: #187 of 769 inventorsTop 25%
Oregon: #5,753 of 28,073 inventorsTop 25%
Overall (All Time): #680,018 of 4,157,543Top 20%
7 Patents All Time
Calin Negreanu has been granted 7 US patents while listed as an inventor at Microsoft. The first was granted in 2007 and the most recent in September 2018. Calin Negreanu ranks #680,018 of 4,157,543 US inventors in our database (top 16.4%). Patent records list Calin Negreanu in Lake Oswego, OR, US.

Patents per Year

Patents granted per year, 2007 to 2018Bar chart with a peak of 2 patents in 2014.peak 22007: 1 patents20072011: 1 patents20112012: 1 patents20122014: 2 patents20142016: 1 patents20162018: 1 patents2018

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
10067835 System reset Desmond T. Lee, Vinit Ogale, Keshava Prasad Subramanya, Sri Sai Kameswara Pavan Kumar Kasturi, Hongliu Zheng +4 more 2018-09-04 $55,037,000
9367400 System reset Desmond T. Lee, Vinit Ogale, Keshava Prasad Subramanya, Sri Sai Kameswara Pavan Kumar Kasturi, Hongliu Zheng +4 more 2016-06-14 $42,465,000
8819487 System reset Desmond T. Lee, Vinit Ogale, Keshava Prasad Subramanya, Sri Sai Kameswara Pavan Kumar Kasturi, Hongliu Zheng +4 more 2014-08-26 $21,459,000
8639973 System reset Desmond T. Lee, Vinit Ogale, Keshava Prasad Subramanya, Sri Sai Kameswara Pavan Kumar Kasturi, Hongliu Zheng +4 more 2014-01-28 $35,401,000
8245226 Offline migration from prior operating system installation Arunesh Chandra, Terrance James Dolan, IV, David L. Henrickson, Joseph Albert Robles, III, Michael Day 2012-08-14 $12,366,000
7900202 Identification of software execution data Matthew Block, Ovidiu G. Temereanca, Nathan Cornillon 2011-03-01 $18,854,000
7210131 Method and system for migrating computer state Jim Schmidt 2007-04-24 $68,720,000