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

Kai Xu — 340 Patents

OFOfinno: 190 patents #8 of 42Top 20%
Comcast: 65 patents #46 of 4,447Top 2%
Huawei: 36 patents #368 of 15,535Top 3%
Xiaomi: 16 patents #47 of 1,395Top 4%
ALAlibaba: 7 patents #108 of 2,313Top 5%
HCHonor Device Co.: 6 patents #39 of 806Top 5%
Futurewei Technologies: 3 patents #526 of 1,563Top 35%
Koniniklijke Philips N.V.: 2 patents #2,768 of 7,486Top 40%
BGBsh Hausgeräte Gmbh: 2 patents #435 of 1,405Top 35%
HEHewlett Packard Enterprise: 2 patents #1,282 of 4,473Top 30%
HTHuazhong University Of Science And Technology: 2 patents #185 of 1,292Top 15%
NTNew Jersey Institute Of Technology: 1 patents #161 of 441Top 40%
REResmed: 1 patents #337 of 464Top 75%
SSSt-Ericsson Sa: 1 patents #279 of 771Top 40%
WTWuhan University Of Technology: 1 patents #66 of 255Top 30%
HUHangzhou City University: 1 patents #31 of 94Top 35%
BOBorgwarner: 1 patents #797 of 1,600Top 50%
SNStmicroelectronics International N.V.: 1 patents #426 of 696Top 65%
Herndon, VA: #3 of 878 inventorsTop 1%
Virginia: #13 of 34,511 inventorsTop 1%
Overall (All Time): #964 of 4,157,543Top 1%
340 Patents All Time
Kai Xu has been granted 340 US patents while listed as an inventor at Ofinno. The first was granted in 2007 and the most recent in September 2025. Kai Xu ranks #964 of 4,157,543 US inventors in our database (top 0.02%). Patent records list Kai Xu in Herndon, VA, US.

Patents per Year

Patents granted per year, 2007 to 2025Bar chart with a peak of 82 patents in 2024.peak 822007: 1 patents20072011: 2 patents2015: 2 patents20152016: 5 patents2018: 8 patents20182019: 7 patents2020: 9 patents20202021: 31 patents2022: 55 patents20222023: 64 patents2024: 82 patents20242025: 74 patents2025

Issued Patents All Time

Showing 1–25 of 340 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12431931 Exposure reporting for wireless communications Hua Zhou, Esmael Hejazi Dinan, Yunjung Yi, Ali Cagatay Cirik, Hyoungsuk Jeon +1 more 2025-09-30
12425141 Feedback resource Esmael Hejazi Dinan, Hua Zhou, Yunjung Yi, Bing Hui, Alireza Babaei +1 more 2025-09-23
12426042 Uplink control multiplexing of a PUCCH repetition Yunjung Yi, Hua Zhou, Esmael Hejazi Dinan, Ali Cagatay Cirik, Jonghyun Park 2025-09-23
12418863 Power control procedures with common beams Hua Zhou, Esmael Hejazi Dinan, Ali Cagatay Cirik, Hyoungsuk Jeon, Nazanin Rastegardoost 2025-09-16
12414044 Dynamic signaling for energy saving in wireless communications Hua Zhou, Hyoungsuk Jeon, Esmael Hejazi Dinan, Ali Cagatay Cirik, Nazanin Rastegardoost +3 more 2025-09-09
12408198 Random access backoff indicator Hyoungsuk Jeon, Esmael Hejazi Dinan, Kyungmin Park, Ali Cagatay Cirik, Hua Zhou +1 more 2025-09-02
12408121 Power headroom report for multiple sounding reference signal resource sets Hyoungsuk Jeon, Esmael Hejazi Dinan, Ali Cagatay Cirik, Kyungmin Park 2025-09-02
12401474 Determination of spatial filter for transmissions Yunjung Yi, Jonghyun Park, Esmael Hejazi Dinan, Ali Cagatay Cirik 2025-08-26
12395931 Power saving operations for communication systems Hua Zhou, Esmael Hejazi Dinan, Yunjung Yi, Ali Cagatay Cirik, Alireza Babaei +2 more 2025-08-19
12395860 Default spatial relation for physical uplink shared channel transmissions Hua Zhou, Esmael Hejazi Dinan, Kyungmin Park, Ali Cagatay Cirik, Hyoungsuk Jeon +2 more 2025-08-19
12396017 Communication and data processing in wireless communications Hua Zhou, Esmael Hejazi Dinan, Alireza Babaei, Ali Cagatay Cirik, Hyoungsuk Jeon +3 more 2025-08-19
12396005 Configured grant processes for wireless devices Ali Cagatay Cirik, Esmael Hejazi Dinan, Alireza Babaei, Hyoungsuk Jeon, Hua Zhou +5 more 2025-08-19
12395937 Activation and deactivation of power saving operation Hua Zhou, Esmael Hejazi Dinan, Kyungmin Park, Ali Cagatay Cirik, Alireza Babaei +1 more 2025-08-19
12389449 Contention window determination Esmael Hejazi Dinan, Hua Zhou, Alireza Babaei, Hyoungsuk Jeon, Ali Cagatay Cirik +1 more 2025-08-12
12389424 Methods, systems, and apparatuses for beam management Ali Cagatay Cirik, Esmael Hejazi Dinan, Hua Zhou, Hyoungsuk Jeon, Alireza Babaei +1 more 2025-08-12
12388515 Default beam for downlink signal transmissions Yunjung Yi, Esmael Hejazi Dinan, Ali Cagatay Cirik, Jonghyun Park 2025-08-12
12389339 Transmission power determination using multiple reference signals Esmael Hejazi Dinan, Hua Zhou, Yunjung Yi, Hyoungsuk Jeon 2025-08-12
12389417 Preemption indication with multi-beam Yunjung Yi, Esmael Hejazi Dinan, Hua Zhou, Bing Hui, Hyukjin Chae 2025-08-12
12382466 Downlink control channel monitoring in new radio unlicensed band Hua Zhou, Esmael Hejazi Dinan, Ali Cagatay Cirik, Yunjung Yi, Youngwoo Kwak +1 more 2025-08-05
12381697 Bandwidth part switching based on priority level Bing Hui, Esmael Hejazi Dinan, Hua Zhou, Kyungmin Park, Yunjung Yi +1 more 2025-08-05
12382322 Beam failure detection and recovery procedures with common beams Hua Zhou, Esmael Hejazi Dinan, Ali Cagatay Cirik, Hyoungsuk Jeon 2025-08-05
12382445 Transmission and reception of channel state information Ali Cagatay Cirik, Esmael Hejazi Dinan, Hua Zhou, Hyoungsuk Jeon, Alireza Babaei +1 more 2025-08-05
12381614 Beam management for cells in wireless communications Ali Cagatay Cirik, Esmael Hejazi Dinan, Hua Zhou, Alireza Babaei, Hyoungsuk Jeon +1 more 2025-08-05
12375217 Discontinuous reception operation of multicast and broadcast services Hua Zhou, Esmael Dinan Hejazi, Yunjung Yi, Ali Cirik Cagatay, Hyukjin Chae +2 more 2025-07-29
12375157 Beam management for cells in wireless communications Ali Cagatay Cirik, Esmael Hejazi Dinan, Hua Zhou, Alireza Babaei, Hyoungsuk Jeon +1 more 2025-07-29