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

Duncan G. Bryce — 9 Patents

Microsoft: 8 patents #5,580 of 40,388Top 15%
Sap Se: 1 patents #2,890 of 6,322Top 50%
Redmond, WA: #1,504 of 8,547 inventorsTop 20%
Washington: #11,701 of 76,902 inventorsTop 20%
Overall (All Time): #535,341 of 4,157,543Top 15%
9 Patents All Time
Duncan G. Bryce has been granted 9 US patents while listed as an inventor at Microsoft. The first was granted in 2007 and the most recent in February 2023. Duncan G. Bryce ranks #535,341 of 4,157,543 US inventors in our database (top 12.9%). Patent records list Duncan G. Bryce in Redmond, WA, US.

Patents per Year

Patents granted per year, 2007 to 2023Bar chart with a peak of 2 patents in 2008.peak 22007: 1 patents20072008: 2 patents20082010: 1 patents20102011: 2 patents20112012: 1 patents20122014: 1 patents20142023: 1 patents2023

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11593349 Master data substitution Torsten Heise, Martin Heitlinger, Wolfram Schick, Thomas Werth, Dominique Bosselmann +7 more 2023-02-28 $5,009,000
8798272 Systems and methods for managing multiple keys for file encryption and decryption David B. Cross, Jianrong Gu, Kelvin S. Yiu, Monica Ene-Pietrosanu 2014-08-05 $23,036,000
8225390 Licensing protected content to application sets Kenneth D. Ray, Pankaj Mohan Kamat, Charles W. Kaufman, Paul J. Leach, William R. Tipton +5 more 2012-07-17 $17,052,000
8045714 Systems and methods for managing multiple keys for file encryption and decryption David B. Cross, Jianrong Gu, Kelvin Yiu, Monica Ene-Pietrosanu 2011-10-25 $24,710,000
7987496 Automatic application of information protection policies Scott C. Cottrille, Pankaj Mohan Kamat, Krassimir Emilov Karamfilov, Gregory Kostal, Kenneth D. Ray +2 more 2011-07-26 $29,172,000
7792301 Access control and encryption in multi-user systems Vijay G. Bharadwaj, Mike Hamburg, Ravindra Nath Pandya 2010-09-07 $16,550,000
7376968 BIOS integrated encryption Andrew J. Ritz, David B. Cross, James A. Schwartz, Jr., Jianrong Gu, Scott A. Field 2008-05-20 $37,918,000
7325115 Encryption of system paging file Benjamin A. Leis, David B. Cross, Jianrong Gu, Rajeev Y. Nagar, Scott A. Field 2008-01-29 $46,602,000
7280956 System, method, and computer program product for file encryption, decryption and transfer David B. Cross, Jainrong Gu, Shishir Pardikar, Pradeep Jnana Madhavarapu, Scott A. Field +1 more 2007-10-09 $31,738,000