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

Kai Chen — 39 Patents

Qualcomm: 26 patents #889 of 12,104Top 8%
APAac Optics Solutions Pte.: 2 patents #63 of 93Top 70%
CCChengdu Monolithic Power Systems Co.: 1 patents #94 of 171Top 55%
EPEpistar: 1 patents #519 of 732Top 75%
Hsinchu, TW: #532 of 13,380 inventorsTop 4%
Overall (All Time): #81,245 of 4,157,543Top 2%
39 Patents All Time
Kai Chen has been granted 39 US patents while listed as an inventor at Qualcomm. The first was granted in 2011 and the most recent in August 2024. Kai Chen ranks #81,245 of 4,157,543 US inventors in our database (top 2.0%). Patent records list Kai Chen in Hsinchu, TW.

Issued Patents All Time

Showing 1–25 of 39 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12074706 Rate-splitting construction of polar coded hybrid automatic repeat request (HARQ) scheme Changlong XU, Liangming WU, Jian Li, Jing Jiang, Hao Xu 2024-08-27 $23,870,000
11874521 Camera module and periscope camera lens Linzhen Li, Zhuming Chu, Tongming Xu, Houwei Zhao 2024-01-16
11803041 Prism module and folded lens using same Linzhen Li, Zhuming Chu, Tongming Xu, Houwei Zhao 2023-10-31
11791936 Equivalent puncture sets for polar coded re-transmissions Changlong XU, Liangming WU, Jian Li, Hao Xu 2023-10-17 $7,437,000
11777645 Retransmission of physical uplink control channel (PUCCH) for ultra reliable low latency communications (URLLC) Changlong XU, Liangming WU, Jian Li, Hao Xu, Tingfang Ji +2 more 2023-10-03 $8,168,000
11770134 Methods and apparatus for CRC concatenated polar encoding Liangming WU, Changlong XU, Jing Jiang, Hao Xu 2023-09-26 $13,508,000
11729783 Soft-combining for control channels Changlong XU, Liangming WU, Hao Xu, Jing Jiang, Jing Sun +1 more 2023-08-15 $7,580,000
11695505 Reduced overhead error detection code design for decoding a codeword Changlong XU, Liangming WU, Jian Li, Jing Jiang, Gabi Sarkis +1 more 2023-07-04
11694901 Field-effect transistor and method for manufacturing the same Qiuxia Xu 2023-07-04
11646823 Polar coded HARQ-IR scheme Liangming WU, Changlong XU, Jian Li, Hao Xu 2023-05-09 $11,425,000
11646830 Polar code construction for incremental redundancy Jian Li, Changlong XU, Liangming WU, Hao Xu 2023-05-09 $11,425,000
11646828 HARQ of polar codes with parity check bits Jian Li, Changlong XU, Jing Jiang, Liangming WU, Hao Xu 2023-05-09 $11,425,000
11539456 Circular buffer based hybrid automatic retransmission request for polar codes Changlong XU, Jing Jiang, Gabi Sarkis, Hao Xu 2022-12-27 $12,162,000
11515889 Uplink control information segmentation for polar codes Liangming WU, Changlong XU, Jing Jiang, Gabi Sarkis, Yu Zhang 2022-11-29 $17,374,000
11476506 Daisy-chain battery cells system with differential communication interfaces Min Xu, Xiaohong Li 2022-10-18
11470598 Transmitting data in a control channel Changlong XU, Chao WEI, Liangming WU, Peng Cheng, Hao Xu +1 more 2022-10-11 $15,346,000
11445489 Techniques for downlink control channel location indication in wireless communications Changlong XU, Hao Xu, Jing Jiang, Jing Sun 2022-09-13 $23,094,000
11411678 Equivalent puncture sets for polar coded re-transmissions Changlong XU, Liangming WU, Jian Li, Hao Xu 2022-08-09 $28,727,000
11394399 Self-decodable redundancy versions for polar codes Jian Li, Changlong XU, Liangming WU, Hao Xu, Jing Jiang +1 more 2022-07-19 $22,075,000
11387939 Polar coded hybrid automatic repeat request (HARQ) with incremental channel polarization Liangming WU, Changlong XU, Jian Li, Hao Xu 2022-07-12 $24,430,000
11387149 Semiconductor device and method for forming gate structure thereof Qiuxia Xu 2022-07-12
11343015 Channel-aware construction of polar codes Liangming WU, Changlong XU, Hao Xu 2022-05-24 $33,292,000
11324040 Synchronized uplink grant-free non-orthogonal multiple access transmission design Qiaoyu LI, Chao WEI, Hao Xu 2022-05-03 $21,913,000
11271631 Polar coded HARQ scheme over time-varying channel Changlong XU, Liangming WU, Hao Xu 2022-03-08 $26,863,000
11228394 Polar coding techniques for blind detection of different payload sizes Changlong XU, Jing Jiang, Gabi Sarkis, Hao Xu 2022-01-18 $25,960,000