Inventor
DU JIAN
CN35 patents
⚠️ This page may combine multiple inventors who share the name “DU JIAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
LEMON INC
16 patentsUS11836263B1Dec 5, 2023
Secure multi-party computation and communication
LEMON INC6 citations83
US11886617B1Jan 30, 2024
Protecting membership and data in a secure multi-party computation and/or communication
LEMON INC6 citations74
US11874950B1Jan 16, 2024
Protecting membership for secure computation and communication
LEMON INC2 citations72
US11868497B1Jan 9, 2024
Fast convolution algorithm for composition determination
LEMON INC2 citations72
US11829512B1Nov 28, 2023
Protecting membership in a secure multi-party computation and/or communication
LEMON INC2 citations72
US12547767B2Feb 10, 2026
Privacy parameter recycling differential privacy
LEMON INC1 citations63
US12231563B2Feb 18, 2025
Secure computation and communication
LEMON INC1 citations63
US12561475B2Feb 24, 2026
Protecting membership for secure computation and communication
LEMON INC0 citations62
US11989325B1May 21, 2024
Protecting membership in a secure multi-party computation and/or communication
LEMON INC1 citations62
US11811920B1Nov 7, 2023
Secure computation and communication
LEMON INC1 citations62
US11809588B1Nov 7, 2023
Protecting membership in multi-identification secure computation and communication
LEMON INC1 citations62
US12430458B2Sep 30, 2025
Transformed partial convolution algorithm for composition determination
LEMON INC0 citations61
US11983285B1May 14, 2024
Secure multi-party computation and communication
LEMON INC0 citations60
US12566886B2Mar 3, 2026
Dynamic programming solution for privacy protection evaluation
LEMON INC0 citations52
US12499251B2Dec 16, 2025
Statistical measurement with active learning for privacy protection evaluation
LEMON INC0 citations52
US12526126B2Jan 13, 2026
Sampling from binomial distribution in secure multi-party computation
LEMON INC0 citations42
ALIPAY HANGZHOU INF TECH CO LTD
3 patentsUS12561471B2Feb 24, 2026
Method and system for data communication with differentially private set intersection
ALIPAY HANGZHOU INF TECH CO LTD0 citations50
US12400027B2Aug 26, 2025
Common data determining methods, apparatuses, and systems for protecting privacy
ALIPAY HANGZHOU INF TECH CO LTD0 citations47
US12259885B2Mar 25, 2025
Query optimization methods, apparatuses, and systems for secure multi-party database
ALIPAY HANGZHOU INF TECH CO LTD0 citations46
ALIPAY LABS SINGAPORE PTE LTD
2 patentsTENCENT TECH SHENZHEN CO LTD
2 patentsCRRC QINGDAO SIFANG CO LTD
2 patentsUS11964443B2Apr 23, 2024
Method for connecting a connection piece to a u-shaped ring anchor for a head module for rail vehicles
CRRC QINGDAO SIFANG CO LTD0 citations48
US11505219B2Nov 22, 2022
Combined device having device for connecting cross beam for receiving pivot pins and two lower longitudinal beams of coach body for rail vehicle
CRRC QINGDAO SIFANG CO LTD0 citations43