Patents by Inventor CHANGHUA WANG

CHANGHUA 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: 20240171821
    Abstract: Provided are an interaction method and apparatus in a live streaming room, and a device and a storage medium. The method comprises: in response to a trigger operation for a preset duet entry on a live streaming room page, jumping from the live streaming room page to a camera capture page, wherein a host portrait cutout corresponding to the live streaming room page is displayed on the camera capture page and a capture control is provided on the camera capture page acquiring multimedia information captured by a camera, in response to a trigger operation for the capture control on the camera capture page, wherein the multimedia information comprises an image or a video; and synthesizing the multimedia information with the host portrait cutout to obtain a duet multimedia product.
    Type: Application
    Filed: March 14, 2022
    Publication date: May 23, 2024
    Inventors: Ling YANG, Manting WANG, Sijing WANG, Ji LIU, Feifei TANG, Xiaoben WANG, Man ZHANG, Zaiyou RUAN, Yuna HU, Zihao CHEN, Siqin LIU, Chen ZHONG, Suyao ZHANG, Yichao WU, Changhua HE, Zenan LI, Yibin CHEN, Jialuo ZHANG, Ping LI, Xinyue GONG, Jialong ZHAO, Fanglu ZHONG, Pingfei FU, Yingzhao SUN, Syenny NA, Qi FAN, Yehua LYU, Jiacheng LIU, Lin ZHOU, Fukang HONG, Xiangzeng MENG, Qian Li, Qi ZHAO, Hui Li
  • Publication number: 20240153168
    Abstract: Provided are an interaction method and apparatus in a live streaming room, a device, and a storage medium. The method comprises: in response to a trigger operation for a preset drawing entry on a live streaming room page, jumping to a graphic drawing page from the live streaming room page, a drawing trajectory set for a preset object being displayed on the graphical drawing page; when a drawing stroke on the graphic drawing page is received, matching the drawing stroke with the drawing trajectory; and if it is determined that the drawing stroke is successfully matched with the drawing trajectory, displaying prompt information about successful participation in a preset activity, the preset activity and the preset drawing entry having a correspondence.
    Type: Application
    Filed: March 14, 2022
    Publication date: May 9, 2024
    Inventors: Ling YANG, Manting WANG, Sijing WANG, Ji LIU, Feifei TANG, Xiaoben WANG, Man ZHANG, Zaiyou RUAN, Yuna HU, Zihao CHEN, Siqin LIU, Chen ZHONG, Suyao ZHANG, Yichao WU, Changhua HE, Zenan LI, Yibin CHEN, Jialuo ZHANG, Ping LI, Xinyue GONG, Jialong ZHAO, Fanglu ZHONG, Lin ZHOU, Fukang HONG, Xiangzeng MENG, Qian LI
  • Publication number: 20240133851
    Abstract: A fingerprint spectrum construction method for Xihuang capsules and a fingerprint spectrum includes: S1: taking contents of a Xihuang capsule, adding a methanol-chloroform-phosphoric acid solution, and carrying out ultrasonic extraction to obtain a Xihuang capsule test solution; S2: dissolving cholic acid, hyodeoxycholic acid, deoxycholic acid, bilirubin, muscone, and myrrhone in ethanol to obtain a mixed standard solution 1; dissolving quassin, 11-carbonyl-?-boswellic acid, 11-carbonyl-?-acetyl-boswellic acid, acetyl-11?-methoxy-?-boswellic acid, and sandaracopimaric acid in methanol to obtain a mixed standard solution 2; S3: respectively carrying out chromatography on the Xihuang capsule test solution and the mixed standard solutions 1 and 2, and recording corresponding chromatograms; and S4: constructing a fingerprint spectrum of the Xihuang capsule according to the chromatogram of the Xihuang capsule test solution and the chromatograms of the mixed standard solutions 1 and 2.
    Type: Application
    Filed: January 14, 2024
    Publication date: April 25, 2024
    Inventors: Chengyuan LIANG, Changhua KE, Yanzi WANG, Yuting LIU, Xiuding YANG, Ying ZHOU, Jiaxuan LI
  • Publication number: 20240133850
    Abstract: A fingerprint spectrum construction method for a new compound aloe capsule and a fingerprint spectrum includes: (1) taking powder of a new compound aloe capsule, carrying out reflux extraction, adding methanol, carrying out ultrasonic treatment, filtering, and taking a subsequent filtrate as a test solution; dissolving barbaloin, aloe-emodin, indirubin, tryptanthrin, aloesin, and ?-sitosterol in methanol to obtain reference solutions; (2) injecting the test solution and the reference solutions into a high performance liquid chromatograph for gradient elution to obtain a chromatogram of the new compound aloe capsule and chromatograms of the reference solutions, respectively; and (3) labeling chemical components of peaks on the chromatogram of the new compound aloe capsule according to the chromatogram of the new compound aloe capsule and the chromatograms of the reference solutions to obtain a fingerprint spectrum of the new compound aloe capsule.
    Type: Application
    Filed: October 17, 2023
    Publication date: April 25, 2024
    Inventors: Chengyuan LIANG, Jinrong HU, Boxin ZHANG, Changhua KE, Shan YANG, Jingjing ZHOU, Jiaxuan LI, Qiufang XIE, Yue GE, Wenxue WANG
  • Patent number: 11919748
    Abstract: A hoist for transferred materials in an underground auxiliary transportation system and a method thereof. The hoist includes a hoist body, guiding plates mounted at two ends of the hoist body through bolts, twist locks mounted at four ends of the hoist body, a driving unit configured to drive twist locks to rotate, transmission assemblies configured to connect the twist locks with the driving unit, ejector pins configured to prevent the twist locks from rotating mistakenly, and a sensor configured to control the hoist to operate and provide protection safety.
    Type: Grant
    Filed: May 23, 2022
    Date of Patent: March 5, 2024
    Assignees: CHINA UNIVERSITY OF MINING AND TECHNOLOGY, Changzhou Development & Manufacture Centre Co., Ltd., XUZHOU COAL MINE SAFETY EQUIPMENT MANUFACTURE CO., LTD.
    Inventors: Chi Ma, Yuxing Peng, Zhencai Zhu, Meilin Wang, Changhua Hu, Fahui Shi, Xingming Xiao, Jun Qian, Fan Jiang, Yunwang Li, Dagang Wang, Qihang Yu
  • Publication number: 20230026724
    Abstract: Disclosed in the present invention are a substituted nitrogen heterocyclic compound and anesthetic action thereof. Specifically provided a chemical compound as shown in formula I, a stereoisomer thereof, a pharmaceutically acceptable salt thereof, a solvate thereof, a prodrug thereof, a metabolite thereof or a deuterated derivative thereof. The substituted nitrogen heterocyclic compound provided in the present application has good central nervous system inhibition effects, capable of generating sedative, hypnotic and/or general anesthetic effects, and capable of controlling status epilepticus; said substituted nitrogen heterocyclic compound is also characterized by rapid onset of action and rapid recovery, while maintaining positive anesthetic activity; in addition, said substituted nitrogen heterocyclic compound has almost no inhibitory effect on adrenocortical function, low side effects, and resolves technical difficulties in the art.
    Type: Application
    Filed: October 10, 2020
    Publication date: January 26, 2023
    Inventors: Jin LIU, Wensheng ZHANG, Haijun MA, Changhua WANG, Zhenbiao XIE
  • Patent number: 11434205
    Abstract: A compound is shown in formula (I). The derivatives of the compound include a stereoisomer, a pharmaceutically acceptable salt, a solvate, a prodrug, a metabolite, a deuterated derivative. The compound is a structurally novel substituted imidazole formate derivative. Substituted imidazole formate derivatives are used in preparing a drug with sedative, hypnotic and/or anesthetic effects, as well as a drug that can control the state of epilepsy. The compound has a good inhibitory effect on the central nervous system, and provides a new option for clinical screening of and/or preparation of a drug with sedative, hypnotic and/or anesthetic effects and controlling the state of epilepsy.
    Type: Grant
    Filed: January 30, 2019
    Date of Patent: September 6, 2022
    Assignee: Chengdu MFS Pharma. Co., Ltd.
    Inventors: Haijun Ma, Changhua Wang, Zhenbiao Xie
  • Publication number: 20200369621
    Abstract: A compound is shown in formula (I). The derivatives of the compound include a stereoisomer, a pharmaceutically acceptable salt, a solvate, a prodrug, a metabolite, a deuterated derivative. The compound is a structurally novel substituted imidazole formate derivative. Substituted imidazole formate derivatives are used in preparing a drug with sedative, hypnotic and/or anesthetic effects, as well as a drug that can control the state of epilepsy. The compound has a good inhibitory effect on the central nervous system, and provides a new option for clinical screening of and/or preparation of a drug with sedative, hypnotic and/or anesthetic effects and controlling the state of epilepsy.
    Type: Application
    Filed: January 30, 2019
    Publication date: November 26, 2020
    Inventors: Haijun MA, Changhua WANG, Zhenbiao XIE
  • Publication number: 20190083608
    Abstract: Provided is a recombinant Hansenula polymorpha-based high dosage hepatitis B vaccine, an HBsAg pure stock solution yield of a recombinant Hansenula polymorpha fermentation broth used for producing the hepatitis B vaccine being 300 mg/L-400 mg/L.
    Type: Application
    Filed: March 16, 2017
    Publication date: March 21, 2019
    Inventors: HEMU WANG, CHANGHUA WANG, JUN YANG