Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Mark S. Day — 14 Patents

Apple: 14 patents #2,362 of 18,612Top 15%
Saratoga, CA: #676 of 2,933 inventorsTop 25%
California: #43,920 of 386,348 inventorsTop 15%
Overall (All Time): #332,869 of 4,157,543Top 9%
14 Patents All Time
Mark S. Day has been granted 14 US patents while listed as an inventor at Apple. The first was granted in 1998 and the most recent in July 2018. Mark S. Day ranks #332,869 of 4,157,543 US inventors in our database (top 8.0%). Patent records list Mark S. Day in Saratoga, CA, US.

Issued Patents All Time

Showing 1–14 of 14 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
10032038 File system support for rolling keys Christopher James Suter, Eric B. Tamura, George K. Colley 2018-07-24 $82,743,000
8145604 Method and apparatus for relocating an active five system journal 2012-03-27 $201,955,000
7991781 System and method for storing and retrieving filenames and files in computer memory Donald Brady, Deric S. Horn 2011-08-02 $120,903,000
7801906 System and method for storing and retrieving filenames and files in computer memory Donald Brady, Deric S. Horn 2010-09-21 $141,588,000
7774320 Verifying integrity of file system data structures Wenguang Wang, Puja Gupta, Christopher Yoshito Emura 2010-08-10 $80,134,000
7769785 System and method for interfacing index based and iterator based application programming interfaces Donald Brady, Deric S. Horn 2010-08-03 $79,316,000
7013314 System and method for storing and retrieving filenames and files in computer memory Donald Brady, Deric S. Horn 2006-03-14 $150,412,000
6922698 System and method for interfacing index based and iterator based application programming interfaces Donald Brady, Deric S. Horn 2005-07-26 $331,129,000
6591268 System and method for interfacing index based and iterator based application programming interfaces Donald Brady, Deric S. Horn 2003-07-08 $57,864,000
6434574 System and method for storing and retrieving filenames and files in computer memory using multiple encodings Donald Brady, Deric S. Horn 2002-08-13 $19,393,000
6405196 System and method for interfacing index based and iterator based application programming interfaces Donald Brady, Deric S. Horn 2002-06-11 $25,458,000
6282536 System and method for interfacing index based and iterator based application programming interfaces Donald Brady, Deric S. Horn 2001-08-28 $61,437,000
6249782 System and method for reducing file name length and for retrieving the reduced file name entitled files Donald Brady, Deric S. Horn 2001-06-19 $140,694,000
5832501 Method and system for filtering file manager attribute values William P. Kain, III, Prashant B. Patel, Donald Brady, Susan A. Manning 1998-11-03 $9,780,000