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

John C. Tang — 48 Patents

Microsoft: 19 patents #1,867 of 40,388Top 5%
Oracle: 13 patents #831 of 14,854Top 6%
HYHydra-Electric: 7 patents #2 of 4Top 50%
IBM: 5 patents #18,770 of 70,183Top 30%
Xerox: 4 patents #2,608 of 8,622Top 35%
Palo Alto, CA: #392 of 9,675 inventorsTop 5%
California: #8,595 of 386,348 inventorsTop 3%
Overall (All Time): #57,596 of 4,157,543Top 2%
48 Patents All Time
John C. Tang has been granted 48 US patents while listed as an inventor at Microsoft. The first was granted in 1991 and the most recent in October 2025. John C. Tang ranks #57,596 of 4,157,543 US inventors in our database (top 1.4%). Patent records list John C. Tang in Palo Alto, CA, US.

Issued Patents All Time

Showing 1–25 of 48 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12450849 Collaborative system Edward Sean Lloyd Rintel, Payod PANDA, Lev Tankelevitch, Abigail Sellen, Kori Inkpen +7 more 2025-10-21
12422973 Established perspective user interface and user experience for video meetings William Arthur Stewart Buxton, Andrew D. Wilson, Kori Inkpen, Sasa Junuzovic, Abigail Sellen +1 more 2025-09-23
11837816 Method of sealing cable exit for moisture and vapor intrusion Robert Andrew Guziak 2023-12-05
11656747 Established perspective user interface and user experience for video meetings William Arthur Stewart Buxton, Andrew D. Wilson, Kori Inkpen, Sasa Junuzovic, Abigail Sellen +1 more 2023-05-23 $326,580,000
11164418 Impromptu community streamer Gina D. Venolia, Kori Inkpen, William A. Hamilton 2021-11-02 $226,584,000
10788963 Accelerated instant replay for co-present and distributed meetings Kori Inkpen Quinn, Rajesh Hedge, Zhengyou Zhang, Sasa Junuzovic, Christopher D. Brooks 2020-09-29 $190,718,000
10771736 Compositing and transmitting contextual information during an audio or video call Kori Inkpen, Sasa Junuzovic, Seungwon Kim, Aaron Hoff, David Molnar +1 more 2020-09-08 $110,161,000
10609332 Video conferencing supporting a composite video stream Henrik Valdemar Turbell, Matthew Jason Pope, Gina D. Venolia, David Yuheng Zhao, Kori Inkpen 2020-03-31 $74,701,000
10600595 Pressure switch system 2020-03-24
10529511 Variable venturi flow switch 2020-01-07
10476968 Providing a shared user experience of facilitate communication Gina D. Venolia, Anoop Gupta 2019-11-12 $75,975,000
10297401 Toggle electro-mechanical assembly 2019-05-21
10270820 Impromptu community streamer Gina D. Venolia, Kori Inkpen, William A. Hamilton 2019-04-23 $84,952,000
10257128 Presenting messages to participants based on neighborhoods Gina D. Venolia, Kori Inkpen, Matthew Miller, Gerard Wilkinson 2019-04-09 $61,620,000
10163077 Proxy for asynchronous meeting participation Aaron Hoff, Kori Inkpen, Paul Johns, Asta Roseway, Chen Zhao +2 more 2018-12-25
9991061 Toggle electro-mechanical assembly 2018-06-05
9977574 Accelerated instant replay for co-present and distributed meetings Kori Inkpen Quinn, Rajesh K. Hegde, Zhengyou Zhang, Sasa Junuzovic, Christopher D. Brooks 2018-05-22 $60,030,000
9978549 Variable venturi flow switch 2018-05-22
9966211 Pressure switch system 2018-05-08
9652725 Placeholder management in an activity manager in a collaborative computing environment Michael Muller, Daniel M. Gruen, Thomas P. Moran 2017-05-16 $2,370,000
9591260 Immersive telepresence Kori Inkpen Quinn, Meredith June Morris, Gina D. Venolia, Lilian de Greef 2017-03-07 $28,472,000
9471902 Proxy for asynchronous meeting participation Aaron Hoff, Kori Inkpen Quinn, Paul Johns, Asta Roseway, Chen Zhao +2 more 2016-10-18 $67,958,000
9270936 Functionality for indicating direction of attention Gina D. Venolia, George R. Robertson, David M. Sirkin, Bongshin Lee 2016-02-23 $38,059,000
9113033 Mobile video conferencing with digital annotation Sasa Junuzovic, Kori Inkpen Quinn, Anoop Gupta, Aaron Hoff, Gina D. Venolia +3 more 2015-08-18 $29,234,000
8914368 Augmented and cross-service tagging Hernan Badenes, Julian Ariel Cerruti, Stephen Dill, Julia Grace, Nicolas Lanaro +2 more 2014-12-16 $3,695,000