Patents by Inventor Lifang Cen
Lifang Cen has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20240059694Abstract: The invention provides a compound containing a 1,3-benzodioxol structure and a preparation method and use thereof. The invention discloses a 1,3-benzodioxol derivative as shown in general formula (1). Results of pharmacological experiments indicate that compound (I) of the invention can exert excellent inhibition on both BTK and JAK3 kinases, and can be used to prepare medicines for treating rheumatoid arthritis caused by over-activation of BTK and/or JAK3 pathways. The invention further discloses a preparation method for the 1,3-benzodioxol derivative.Type: ApplicationFiled: March 24, 2022Publication date: February 22, 2024Applicant: XI'AN XINTONG PHARMACEUTICAL RESEARCH CO., LTD.Inventors: Yungen XU, Tingting LIANG, Qihua ZHU, Junjie WANG, Lifang CEN, Wenjie WANG, Jiaming JIN
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Patent number: 10554655Abstract: Method and server system for user login verification are disclosed. The method includes: obtaining a verification request from a first device for an account operation requested by a user using a first account; identifying, from the server system, usage history data associated with the first account, including data regarding usage of the first account on the first device; determining, in accordance with the data regarding the usage of the first account on the first device and one or more predetermined usage history criteria, whether the account operation associated with the first account on the first device is safe; and in accordance with a determination that the account operation associated with the first account on the first device is not safe, initiating a verification process based on a second device that qualifies as being safe for the account operation.Type: GrantFiled: December 13, 2018Date of Patent: February 4, 2020Assignee: TENCENT TECHNOLOGY (SHENZHEN) COMPANY LIMITEDInventors: Xiaolong Zhang, Yonglong Wei, Wen Zha, Lifang Cen, Junhong Yan, Wenhao Huang
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Patent number: 10276168Abstract: Embodiments of the present invention provide a voiceprint verification method and device. The voiceprint verification method comprises receiving verification voice data relating to a verification phrase; generating a verification voiceprint on the basis of said verification voice data; determining whether a similarity value between the verification voiceprint and a reference voiceprint conforms to a preset similarity value; and, if the similarity value between the verification voiceprint and a reference voiceprint conforms to a preset similarity value, then determining there is a match between the verification voiceprint and the reference voiceprint.Type: GrantFiled: December 12, 2016Date of Patent: April 30, 2019Assignee: Tencent Technology (Shenzhen) Company LimitedInventors: Xiao Sun, Zongzhuo Wu, Qiang Long, Ling Li, Lifang Cen, Xiang Zhang, Runjia Huang, Hui Wang
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Publication number: 20190124076Abstract: Method and server system for user login verification are disclosed. The method includes: obtaining a verification request from a first device for an account operation requested by a user using a first account; identifying, from the server system, usage history data associated with the first account, including data regarding usage of the first account on the first device; determining, in accordance with the data regarding the usage of the first account on the first device and one or more predetermined usage history criteria, whether the account operation associated with the first account on the first device is safe; and in accordance with a determination that the account operation associated with the first account on the first device is not safe, initiating a verification process based on a second device that qualifies as being safe for the account operation.Type: ApplicationFiled: December 13, 2018Publication date: April 25, 2019Inventors: Xiaolong ZHANG, Yonglong WEI, Wen ZHA, Lifang CEN, Junhong YAN, Wenhao HUANG
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Patent number: 10200362Abstract: Method and server system for user login verification are disclosed. The method includes: obtaining a verification request from a first device for an account operation requested by a user using a first account; identifying, from the server system, usage history data associated with the first account, including data regarding usage of the first account on the first device; determining, in accordance with the data regarding the usage of the first account on the first device and one or more predetermined usage history criteria, whether the account operation associated with the first account on the first device is safe; and in accordance with a determination that the account operation associated with the first account on the first device is not safe, initiating a verification process based on a second device that qualifies as being safe for the account operation.Type: GrantFiled: May 13, 2016Date of Patent: February 5, 2019Assignee: TENCENT TECHNOLOGY (SHENZHEN) COMPANY LIMITEDInventors: Xiaolong Zhang, Yonglong Wei, Wen Zha, Lifang Cen, Junhong Yan, Wenhao Huang
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Publication number: 20170092276Abstract: Embodiments of the present invention provide a voiceprint verification method and device. The voiceprint verification method comprises receiving verification voice data relating to a verification phrase; generating a verification voiceprint on the basis of said verification voice data; determining whether a similarity value between the verification voiceprint and a reference voiceprint conforms to a preset similarity value; and, if the similarity value between the verification voiceprint and a reference voiceprint conforms to a preset similarity value, then determining there is a match between the verification voiceprint and the reference voiceprint.Type: ApplicationFiled: December 12, 2016Publication date: March 30, 2017Applicant: Tencent Technology (Shenzhen) Company LimitedInventors: Xiao SUN, Zongzhuo WU, Qiang LONG, Ling LI, Lifang CEN, Xiang ZHANG, Runjia HUANG, Hui WANG
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Patent number: 9450939Abstract: A method and apparatus for service login to a service provider sites have been disclosed. The method including: receiving a login request from a user, wherein the login request comprises at least both terminal's login information input by the user and third party account information pertaining to the user; after successful verification on the third party account information, determining by the service provider, whether the terminal's login information input by the user matches to reference login information, wherein the reference login information comprises specific information of the user to further identify user's identity; if the terminal's login information matches to at least a portion of the reference login information, delivering service to the terminal according to the third party account information.Type: GrantFiled: September 16, 2014Date of Patent: September 20, 2016Assignee: Tencent Technology (Shenzhen) Co., Ltd.Inventors: Hao Zhou, Wenrui Zhang, Hui Wang, Tianqing Huang, Wen Cha, Lifang Cen, Jinfu Deng
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Publication number: 20160255078Abstract: Method and server system for user login verification are disclosed. The method includes: obtaining a verification request from a first device for an account operation requested by a user using a first account; identifying, from the server system, usage history data associated with the first account, including data regarding usage of the first account on the first device; determining, in accordance with the data regarding the usage of the first account on the first device and one or more predetermined usage history criteria, whether the account operation associated with the first account on the first device is safe; and in accordance with a determination that the account operation associated with the first account on the first device is not safe, initiating a verification process based on a second device that qualifies as being safe for the account operation.Type: ApplicationFiled: May 13, 2016Publication date: September 1, 2016Inventors: XIAOLONG ZHANG, YONGLONG WEI, WEN ZHA, LIFANG CEN, JUNHONG YAN, WENHAO HUANG
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Publication number: 20150096004Abstract: A method and apparatus for service login to a service provider sites have been disclosed. The method including: receiving a login request from a user, wherein the login request comprises at least both terminal's login information input by the user and third party account information pertaining to the user; after successful verification on the third party account information, determining by the service provider, whether the terminal's login information input by the user matches to reference login information, wherein the reference login information comprises specific information of the user to further identify user's identity; if the terminal's login information matches to at least a portion of the reference login information, delivering service to the terminal according to the third party account information.Type: ApplicationFiled: September 16, 2014Publication date: April 2, 2015Inventors: Hao Zhou, Wenrui Zhang, Hui Wang, Tianqing Huang, Wen Cha, Lifang Cen, Jinfu Deng