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

Thomas Chang — 30 Patents

Oracle: 30 patents #226 of 14,854Top 2%
Redwood Shores, CA: #7 of 190 inventorsTop 4%
California: #17,345 of 386,348 inventorsTop 5%
Overall (All Time): #121,623 of 4,157,543Top 3%
30 Patents All Time
Thomas Chang has been granted 30 US patents while listed as an inventor at Oracle. The first was granted in 2010 and the most recent in June 2021. Thomas Chang ranks #121,623 of 4,157,543 US inventors in our database (top 2.9%). Patent records list Thomas Chang in Redwood Shores, CA, US.

Patents per Year

Patents granted per year, 2010 to 2021Bar chart with a peak of 6 patents in 2011.peak 62010: 4 patents20102011: 6 patents20112012: 4 patents20122013: 4 patents20132014: 2 patents20142015: 3 patents20152016: 2 patents20162017: 1 patents20172019: 2 patents20192021: 2 patents2021

Issued Patents All Time

Showing 1–25 of 30 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11038867 Flexible framework for secure search Muralidhar Krishnaprasad, Mark Davis, Mark Ture, Cindy Hsin, Meeten Bhavsar +6 more 2021-06-15 $64,795,000
10956417 Dynamic operation scheduling for distributed data processing Jarod Wen, Sam Idicula, Nitin Kunal, Gong Zhang, Nipun Agarwal +1 more 2021-03-23 $89,297,000
10382421 Flexible framework for secure search Muralidhar Krishnaprasad, Mark Davis, Mark Ture, Cindy Hsin, Meeten Bhavsar +6 more 2019-08-13 $32,510,000
10366124 Dynamic grouping of in-memory data processing operations Jian Wen, Sam Idicula, Nitin Kunal, Negar Koochakzadeh, Seema Sundara +3 more 2019-07-30 $51,059,000
9853962 Flexible authentication framework Muralidhar Krishnaprasad, Mark Davis, Mark Ture, Cindy Hsin, Meeten Bhavsar +6 more 2017-12-26 $57,883,000
9479494 Flexible authentication framework Muralidhar Krishnaprasad, Mark Davis, Mark Ture, Cindy Hsin, Meeten Bhavsar +6 more 2016-10-25 $25,237,000
9467437 Flexible authentication framework Muralidhar Krishnaprasad, Mark Davis, Mark Ture, Cindy Hsin, Meeten Bhavsar +6 more 2016-10-11 $41,365,000
9177124 Flexible authentication framework Muralidhar Krishnaprasad, Mark Davis, Mark Ture, Cindy Hsin, Meeten Bhavsar +6 more 2015-11-03 $44,200,000
9081816 Propagating user identities in a secure federated search system Muralidhar Krishnaprasad, Sachin Bhatkar, Visar Nimani, Meeten Bhavsar 2015-07-14 $32,848,000
8949220 Techniques for managing XML data associated with multiple execution units Zhen Hua Liu, Muralidhar Krishnaprasad, Anand Manikutty, Ravi Murthy, James Warner +2 more 2015-02-03 $41,087,000
8725770 Secure search performance improvement Hiroshi Koide, Mark Ture, Muralidhar Krishnaprasad, Mark Davis, Cindy Hsin +7 more 2014-05-13 $41,631,000
8626794 Indexing secure enterprise documents using generic references Ciya Liao, Muralidhar Krishnaprasad, Meeten Bhavsar 2014-01-07 $26,762,000
8601028 Crawling secure data sources Ciya Liao, Muralidhar Krishnaprasad, Meeten Bhavsar 2013-12-03 $37,246,000
8595255 Propagating user identities in a secure federated search system Muralidhar Krishnaprasad, Sachin Bhatkar, Visar Nimani, Meeten Bhavsar 2013-11-26 $69,000,000
8458165 System and method for applying ranking SVM in query relaxation Ciya Liao 2013-06-04 $25,170,000
8412717 Changing ranking algorithms based on customer settings Ciya Liao, Muralidhar Krishnaprasad, Meeten Bhavsar 2013-04-02 $56,541,000
8332430 Secure search performance improvement Hiroshi Koide, Mark Ture, Muralidhar Krishnaprasad, Mark Davis, Cindy Hsin +7 more 2012-12-11 $48,013,000
8271493 Extensible mechanism for grouping search results Meeten Bhavsar, Muralidhar Krishnaprasad 2012-09-18 $42,763,000
8239414 Re-ranking search results from an enterprise system Ciya Liao, Muralidhar Krishnaprasad, Meeten Bhavsar 2012-08-07 $45,556,000
8214394 Propagating user identities in a secure federated search system Muralidhar Krishnaprasad, Sachin Bhatkar, Visar Nimani, Meeten Bhavsar 2012-07-03 $45,931,000
8027979 Document summarization Ciya Liao, Omar Alonso, Joaquin Delgado, Meeten Bhavsar 2011-09-27 $46,932,000
8027982 Self-service sources for secure search Mark Ture, Muralidhar Krishnaprasad, Chi-Ming Yang, Vishu Krishnamurthy 2011-09-27 $46,932,000
8005816 Auto generation of suggested links in a search system Muralidhar Krishnaprasad 2011-08-23 $29,126,000
7996392 Changing ranking algorithms based on customer settings Ciya Liao, Muralidhar Krishnaprasad, Meeten Bhavsar 2011-08-09 $28,879,000
7970791 Re-ranking search results from an enterprise system Ciya Liao, Muralidhar Krishnaprasad, Meeten Bhavsar 2011-06-28 $40,208,000