Patents by Inventor Liangwei Wang

Liangwei Wang 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).

  • Publication number: 20240092729
    Abstract: The present invention relates to a method for purifying key intermediates of Citalopram, i.e. 4-[4-(dimethylamino)-1-(4-fluorophenyl)-1-hydroxybutyl]-3-hydroxymethylbenzonitrile and a salt thereof. The method comprises dissolving crude 4-[4-(dimethylamino)-1-(4-fluorophenyl)-1-hydroxybutyl]-3-hydroxymethylbenzonitrile (compound of formula I containing formaldehyde impurity) with an organic solvent, adding a washing solution, controlling the temperature, stirring, leaving to stand for layering, and removing the aqueous layer, so as to obtain a purified organic solution of 4-[4-(dimethylamino)-1-(4-fluorophenyl)-1-hydroxybutyl]-3-hydroxymethylbenzonitrile. The method provided by the present invention can effectively remove aldehyde group-containing impurities in the intermediate. The method of the present invention has the advantages of simple operation, cheap raw materials and mild conditions, and is suitable for large-scale industrial production.
    Type: Application
    Filed: December 28, 2021
    Publication date: March 21, 2024
    Applicants: ZHEJIANG HUAHAI PHARMACEUTICAL CO., LTD., Zhejiang Huahai LiCheng Pharmaceutical Co., Ltd.
    Inventors: Jian ZHANG, Jichao WANG, Xiangqian YOU, Liangwei QIAN, Tao ZHOU, Jiaxing HU, Wenfeng HUANG
  • Publication number: 20220036142
    Abstract: A data processing method and device includes obtaining target perception data, where the target perception data is any type of the following data, such as image data, video data, or voice data, determining a target scenario to which the target perception data belongs, determining a target perception model corresponding to the target scenario, and computing a recognition result of the target perception data according to the target perception model. A scenario to which perception data belongs is determined, and a recognition result of the perception data is obtained through computation using a perception model corresponding to the scenario.
    Type: Application
    Filed: August 16, 2021
    Publication date: February 3, 2022
    Inventors: Liangwei Wang, Jia Chen
  • Publication number: 20210340200
    Abstract: A human CD40L-specific Tn3 molecule and therapeutic uses thereof.
    Type: Application
    Filed: September 25, 2019
    Publication date: November 4, 2021
    Inventors: Jorn DRAPPA, Marius ALBULESCU, Jing LI, Ethan GRANT, Katie STREICHER, Gabor ILLEI, Liangwei WANG, William REES
  • Patent number: 11093806
    Abstract: A data processing method and device, where the method includes obtaining target perception data, where the target perception data is any type of the following data, such as image data, video data, or voice data, determining a target scenario to which the target perception data belongs, determining a target perception model corresponding to the target scenario, and computing a recognition result of the target perception data according to the target perception model. According to the data processing method and device, a scenario to which perception data belongs is determined, and a recognition result of the perception data is obtained through computation using a perception model corresponding to the scenario.
    Type: Grant
    Filed: September 27, 2019
    Date of Patent: August 17, 2021
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Liangwei Wang, Jia Chen
  • Patent number: 10992611
    Abstract: A message presenting method, device, and system relating to the field of computer technologies is provided. In various embodiments, M number of messages entered in a message cluster are classified under N number of classification topics according to a preset classification rule. The N number of classification topics and a target message are sent to a client so that the client can present the N number of classification topics to a user.
    Type: Grant
    Filed: February 28, 2018
    Date of Patent: April 27, 2021
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Li Qian, Xiao Chen, Liangwei Wang, Kangmin Huang
  • Publication number: 20200364204
    Abstract: Embodiments of the present invention provide a method for generating a terminal log and a terminal. The method includes: obtaining sensor information and/or use information of a mobile terminal; generating first log information according to the sensor information and/or the use information; receiving second log information input by a user; and combining the first log information with the second log information to generate terminal log information; the terminal may receive modification information input by the user and update the first log information according to the modification information. In the embodiments of the present invention, by obtaining related information, a log is automatically generated; and in combination with a modification of a user and a log written by the user, it is ensured that log content required by the user is accurately obtained.
    Type: Application
    Filed: July 31, 2020
    Publication date: November 19, 2020
    Inventors: Zhenhua DONG, Liangwei WANG, Gong ZHANG
  • Publication number: 20200139989
    Abstract: A vehicle control apparatus and method includes, when a self-driving vehicle is in a self-driving status, obtaining driving status information of the self-driving vehicle and first driving environment information of the self-driving vehicle; calculating a coarse-grained control instruction of the self-driving vehicle based on the driving status information, the first driving environment information, and a control instruction decision model; determining, based on second driving environment information, whether the coarse-grained control instruction is to be executed; and when the coarse-grained control instruction is to be executed, determining, based on lane information and the driving status information of the self-driving vehicle, a fine-grained control instruction corresponding to the coarse-grained control instruction.
    Type: Application
    Filed: December 30, 2019
    Publication date: May 7, 2020
    Inventors: Songcen Xu, Rongfu Zheng, Liangwei Wang, Yuzheng Zhuang
  • Publication number: 20200097779
    Abstract: A data processing method and device, where the method includes obtaining target perception data, where the target perception data is any type of the following data, such as image data, video data, or voice data, determining a target scenario to which the target perception data belongs, determining a target perception model corresponding to the target scenario, and computing a recognition result of the target perception data according to the target perception model. According to the data processing method and device, a scenario to which perception data belongs is determined, and a recognition result of the perception data is obtained through computation using a perception model corresponding to the scenario.
    Type: Application
    Filed: September 27, 2019
    Publication date: March 26, 2020
    Inventors: Liangwei Wang, Jia Chen
  • Patent number: 10452962
    Abstract: A data processing method and device are presented, where the method includes obtaining target perception data, where the target perception data is any type of the following data, such as image data, video data, or voice data, determining a target scenario to which the target perception data belongs, determining a target perception model corresponding to the target scenario, and computing a recognition result of the target perception data according to the target perception model. Therefore, according to the data processing method and device in the embodiments of the present disclosure, a scenario to which perception data belongs is determined, and a recognition result of the perception data is obtained through computation using a perception model corresponding to the scenario, which can reduce computation complexity and therefore can improve data processing efficiency.
    Type: Grant
    Filed: March 16, 2017
    Date of Patent: October 22, 2019
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Liangwei Wang, Jia Chen
  • Patent number: 10452696
    Abstract: A method includes storing documents of different fields, and a relationship between any two documents of different fields, performing word segmentation and stop word removal on the documents of different fields, to obtain a vocabulary data set for the documents of different fields, constructing an incidence matrix between the documents of different fields according to the relationship between the any two documents of different fields, obtaining a topic cluster of the documents of different fields according to the vocabulary data set, obtaining a probability that any topic in the topic cluster appears in any document and a matching weight of the any topic for any two different fields according to the incidence matrix and the topic cluster, and computing a similarity between the any two documents according to the probabilities and the matching weight of the any topic for the fields to which the any two documents belong.
    Type: Grant
    Filed: June 23, 2016
    Date of Patent: October 22, 2019
    Assignee: HAUWEI TECHNOLOGIES CO., LTD.
    Inventors: Liangwei Wang, Wing Ki Leung, Yang Yang
  • Publication number: 20180191649
    Abstract: A message presenting method, device, and system relating to the field of computer technologies is provided, so as to resolve a problem in the prior art that an instant message presenting manner is relatively monotonous. The method includes: in embodiments of the present invention, classifying, by a server with regard to a message cluster, M number of messages entered in the message cluster by at least one user, under N number of classification topics, and sending the N number of classification topics and a target message to a client. In the technical solution, with regard to a message cluster, M number of messages entered in the message cluster by at least one user can be classified under N number of classification topics according to a preset classification rule, and the N number of classification topics and a target message can be sent to a client, so that the client can present the N number of classification topics to a user.
    Type: Application
    Filed: February 28, 2018
    Publication date: July 5, 2018
    Inventors: Li Qian, Xiao Chen, Liangwei Wang, Kangmin Huang
  • Publication number: 20170185873
    Abstract: A data processing method and device are presented, where the method includes obtaining target perception data, where the target perception data is any type of the following data, such as image data, video data, or voice data, determining a target scenario to which the target perception data belongs, determining a target perception model corresponding to the target scenario, and computing a recognition result of the target perception data according to the target perception model. Therefore, according to the data processing method and device in the embodiments of the present disclosure, a scenario to which perception data belongs is determined, and a recognition result of the perception data is obtained through computation using a perception model corresponding to the scenario, which can reduce computation complexity and therefore can improve data processing efficiency.
    Type: Application
    Filed: March 16, 2017
    Publication date: June 29, 2017
    Inventors: Liangwei Wang, Jia Chen
  • Publication number: 20160371792
    Abstract: A method and an apparatus for mining a social relationship based on financial data is presented. The method for mining a social relationship based on financial data in the present disclosure includes: acquiring financial transaction data of a client user; determining a financial transaction network according to the financial transaction data; determining a network topology attribute of the client user and a non-network topology attribute of the client user according to the financial transaction network; and determining, according to a topology attribute of the financial transaction network and the non-network topology attribute, a social relationship corresponding to the client user.
    Type: Application
    Filed: August 30, 2016
    Publication date: December 22, 2016
    Inventors: Jun Luo, Liangwei Wang, Nan Hu
  • Publication number: 20160306873
    Abstract: A method includes storing documents of different fields, and a relationship between any two documents of different fields, performing word segmentation and stop word removal on the documents of different fields, to obtain a vocabulary data set for the documents of different fields, constructing an incidence matrix between the documents of different fields according to the relationship between the any two documents of different fields, obtaining a topic cluster of the documents of different fields according to the vocabulary data set, obtaining a probability that any topic in the topic cluster appears in any document and a matching weight of the any topic for any two different fields according to the incidence matrix and the topic cluster, and computing a similarity between the any two documents according to the probabilities and the matching weight of the any topic for the fields to which the any two documents belong.
    Type: Application
    Filed: June 23, 2016
    Publication date: October 20, 2016
    Inventors: Liangwei Wang, WingKi Leung, Yang Yang
  • Patent number: 9288306
    Abstract: Embodiments of the present invention disclose a method for processing user information, a mobile terminal, and a server. The method includes: collecting, by a mobile terminal, terminal information; obtaining prior probability information of different types of user activities at current time and in the position; and recognizing or forecasting, according to the prior probability information and the terminal information, an activity of a terminal user using the mobile terminal. In the embodiments of the present invention, during the recognition or the forecast, the number of data samples increases, and therefore accuracy of the recognition or the forecast is improved; in addition, a difference between information that is pushed to the terminal user by applying a recognition or forecast result in the embodiments of the present invention and information in which the user is interested is comparatively small, and therefore terminal using experience of the user can be improved.
    Type: Grant
    Filed: July 25, 2014
    Date of Patent: March 15, 2016
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Liangwei Wang, Gong Zhang
  • Patent number: 9233379
    Abstract: The present invention is provided with a pat-switching sprinkler, which is provided with a fixation unit (100), an operation bat (200) and switching mechanism (300). The fixation unit (100) is provided with a water entry (110) and multiple water exits (120) which can get through with the water entry (110). The operation bat is provided with an operation part (210), a connection part (220) and a pin-jointed part (230), which pivots the fixation unit. The connection part (220) and the operation part (210) respectively lie at the inner side and external side of the fixation unit. The switching mechanism (300) is arranged in the fixation unit (100) and is in transmission with the connection part (220). It has advantages as below: swing the operation bat by patting it, which can put the switching mechanism in motion to switch the water exits. Thus, it saves the switching force and can be switched reliably and conveniently.
    Type: Grant
    Filed: December 30, 2011
    Date of Patent: January 12, 2016
    Assignees: XIAMEN SOLEX HIGH-TECH INDUSTRIES CO., LTD.
    Inventors: Huasong Zhou, Hongliang Ma, Jianmin Chen, Liangwei Wang
  • Patent number: D934571
    Type: Grant
    Filed: February 19, 2020
    Date of Patent: November 2, 2021
    Inventor: Liangwei Wang
  • Patent number: D944535
    Type: Grant
    Filed: February 19, 2020
    Date of Patent: March 1, 2022
    Inventor: Liangwei Wang
  • Patent number: D956431
    Type: Grant
    Filed: March 25, 2020
    Date of Patent: July 5, 2022
    Inventor: Liangwei Wang
  • Patent number: D961939
    Type: Grant
    Filed: March 25, 2020
    Date of Patent: August 30, 2022
    Inventor: Liangwei Wang