Category:Yujia Liu

Yujia Liu

Executive Summary

Yujia Liu is an inventor who has filed 2 patents. Their primary areas of innovation include {involving digital signatures} (2 patents), {Usage controlling of secret information, e.g. techniques for restricting cryptographic keys to pre-authorized uses, different access levels, validity of crypto-period, different key- or password length, or different strong and weak cryptographic algorithms (network architectures or network communication protocols for using time-dependent keys in a packet data network (1 patents), {Escrow, recovery or storing of secret information, e.g. secret key escrow or cryptographic key storage} (1 patents), and they have worked with companies such as Alipay (Hangzhou) Information Technology Co., Ltd. (2 patents). Their most frequent collaborators include (2 collaborations), (2 collaborations).

Patent Filing Activity

Technology Areas

List of Technology Areas

• H04L9/3247 ({involving digital signatures}): 2 patents
• H04L9/088 ({Usage controlling of secret information, e.g. techniques for restricting cryptographic keys to pre-authorized uses, different access levels, validity of crypto-period, different key- or password length, or different strong and weak cryptographic algorithms (network architectures or network communication protocols for using time-dependent keys in a packet data network): 1 patents
• H04L9/0894 ({Escrow, recovery or storing of secret information, e.g. secret key escrow or cryptographic key storage}): 1 patents
• H04L9/3231 ({Biological data, e.g. fingerprint, voice or retina (network architectures or network communication protocols for supporting authentication of entities using biometrical features in a packet data network): 1 patents

Companies

List of Companies

• Alipay (Hangzhou) Information Technology Co., Ltd.: 2 patents

Collaborators

• Wanqiao Zhang (2 collaborations)
• Lin Huang (2 collaborations)