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

Kai Shi — 52 Patents

Qualcomm: 31 patents #761 of 12,104Top 7%
Microsoft: 7 patents #6,431 of 40,388Top 20%
TETencent: 5 patents #1,174 of 8,131Top 15%
Google: 3 patents #8,096 of 22,993Top 40%
WCWuhan China Star Optoelectronics Technology Co.: 1 patents #318 of 559Top 60%
WIWistron: 1 patents #959 of 2,107Top 50%
Robert Bosch Gmbh: 1 patents #10,465 of 19,740Top 55%
UHUniversity Of North Carolina At Chapel Hill: 1 patents #769 of 1,688Top 50%
CTChangsha University Of Science And Technology: 1 patents #64 of 194Top 35%
Overall (All Time): #50,240 of 4,157,543Top 2%
52 Patents All Time
Kai Shi has been granted 52 US patents while listed as an inventor at Qualcomm. The first was granted in 2012 and the most recent in June 2025. Kai Shi ranks #50,240 of 4,157,543 US inventors in our database (top 1.2%). Patent records list Kai Shi in Cambridge, CA, GB.

Patents per Year

Patents granted per year, 2012 to 2025Bar chart with a peak of 9 patents in 2017.peak 92012: 4 patents20122013: 3 patents2014: 7 patents20142015: 6 patents2016: 5 patents20162017: 9 patents2018: 3 patents20182019: 1 patents2020: 1 patents20202021: 1 patents2022: 3 patents20222023: 3 patents2024: 4 patents20242025: 2 patents2025

Issued Patents All Time

Showing 1–25 of 52 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12328148 Communication in a switching network Paolo Costa, Hitesh Ballani, Istvan Haller, Daniel Jonathan Finchley Cletheroe, Sophie Gloria LANGE +3 more 2025-06-10
12298553 Graded-index polymer optical fibre and the fabrication thereof Paolo Costa, Gilberto Brambilla, Hitesh Ballani, Richard James Baca 2025-05-13
12075335 Switching scheme for opting in and out of multi-user orthogonal frequency-division multiple access Ahmed ElArabawy, Ning Zhang 2024-08-27 $76,949,000
11954842 Powder leakage monitoring device and powder leakage monitoring method Yudong Liu, Lei Wang, Yong Xia, Xudong Si, Dongfang Li +1 more 2024-04-09
11931977 Multi-core polymer optical fibre and the fabrication thereof Paolo Costa, Gilberto Brambilla, Hitesh Ballani, Richard James Baca 2024-03-19 $401,127,000
11901955 Communication in a switching network Paolo Costa, Hitesh Ballani, Istvan Haller, Daniel Jonathan Finchley Cletheroe, Sophie Gloria LANGE +3 more 2024-02-13 $276,460,000
11791926 Efficiently interconnecting a plurality of computing nodes to form a circuit-switched network Hitesh Ballani, Christian L. Belady, Lisa R. Hsu, Winston Allen SAUNDERS, Paolo Costa +2 more 2023-10-17 $282,604,000
11743765 Switching scheme for opting in and out of multi-user orthogonal frequency-division multiple access Ahmed ElArabawy, Ning Zhang 2023-08-29 $88,497,000
11560882 Plunger pump tappet assembly and roller thereof Wei Zhang 2023-01-24 $7,482,000
11539453 Efficiently interconnecting a plurality of computing nodes to form a circuit-switched network Hitesh Ballani, Christian L. Belady, Lisa R. Hsu, Winston Allen SAUNDERS, Paolo Costa +2 more 2022-12-27 $199,145,000
11310693 Switching scheme for opting in and out of multi-user orthogonal frequency-division multiple access Ahmed ElArabawy, Ning Zhang 2022-04-19 $56,220,000
11254788 Mechanical ball-milling mthod for preparing a polydopamine-modified montmorillonite nanomaterial Bo Liang, Jianlong Zheng 2022-02-22
10965443 Amplitude caching in receive from many communications networks Istvan Haller, Krzysztof JOZWIK, Hitesh Ballani, Paolo Costa, Benn Charles Thomsen +3 more 2021-03-30 $145,552,000
10690598 Air pipe joint and measurement system for substrate inspection 2020-06-23
10426745 Polymeric metformin and its use as a therapeutic agent and as a delivery vehicle Leaf Huang, Yi Zhao, Shutao Guo 2019-10-01
10159068 FTM protocol enhancements for channel delay spread Ning Zhang, Xiaoxin Zhang 2018-12-18 $7,478,000
10109689 Package method of substrate and package sturcture Lindou Chen 2018-10-23
9935750 Single stream phase tracking during channel estimation in a very high throughput wireless MIMO communication system Ning Zhang 2018-04-03 $7,863,000
9832064 Single stream phase tracking during channel estimation in a very high throughput wireless MIMO communication system Ning Zhang 2017-11-28 $14,104,000
9804664 Adaptive control of RF low power modes in a multi-rate wireless system using MCS value Sandip Homchaudhuri, Paul J. Husted, MeeLan Lee, Srenik Mehta, Shahram Abdollahi-Alibeik +7 more 2017-10-31 $7,754,000
9781673 Adaptive control of RF low power modes in a multi-rate wireless system using device mode Sandip Homchaudhuri, Paul J. Husted, MeeLan Lee, Srenik Mehta, Shahram Abdollahi-Alibeik +7 more 2017-10-03 $6,947,000
9749874 Multi-band management of wireless relaying networks Shu Du, Ning Zhang, Zhen Xie, James Simon Cho, Chin-Hung Chen 2017-08-29 $6,624,000
9749090 System and method for transmitting a low density parity check signal Ning Zhang 2017-08-29 $6,624,000
9743408 Selecting frequency bands for transmitting data packets Youhan Kim, James Simon Cho, Ning Zhang 2017-08-22 $10,202,000
9722004 Package method of substrate and package structure Lindou Chen 2017-08-01