Patents by Inventor Xinhua Fan

Xinhua Fan 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).

  • Patent number: 11961093
    Abstract: A method for regulating an unmanned aerial vehicle (UAV) includes receiving a UAV identifier and one or more types of contextual information broadcasted by the UAV. The UAV identifier uniquely identifies the UAV from other UAVs. The one or more types of contextual information includes at least geographical information of the UAV. The method further includes authenticating, via an authentication device, an identity of the UAV based on the UAV identifier to determine whether the UAV is authorized for operation, and transmitting a signal to a remote device in response to determining whether the UAV is authorized for operation.
    Type: Grant
    Filed: June 20, 2022
    Date of Patent: April 16, 2024
    Assignee: SZ DJI TECHNOLOGY CO., LTD.
    Inventors: Ming Gong, Jin Dai, Hao Cui, Xiaodong Wang, Han Huang, Jun Wu, Wei Fan, Ning Ma, Xinhua Rong, Xingsen Lin
  • Patent number: 11801236
    Abstract: The present invention provides a method for improving the stability of pramipexole or its salt preparation, and further provides a pramipexole hydrochloride oral liquid with excellent stability and oral absorption effect. The pramipexole hydrochloride oral liquid of the present invention is prepared through a simple process, and shows bioequivalence with the tablet containing pramipexole hydrochloride. The invention perfectly realizes multi-dose administration of pramipexole hydrochloride and improves the compliance and accessibility of medication for patients.
    Type: Grant
    Filed: January 8, 2021
    Date of Patent: October 31, 2023
    Assignees: CHANGZHOU NO.4 PHARMACEUTICAL FACTORY CO. LTD, BEIJING DO-PHARMA TECH CO. LTD
    Inventors: Xinhua Fan, Yanyuan Zhang, Yun He, Pengfei Li, Xiang Zhang, Longhao Wu, Peng Peng, Sujing Zhuang, Li Xiao, Yongrui Tu
  • Publication number: 20230061159
    Abstract: The present invention provides a method for improving the stability of pramipexole or its salt preparation, and further provides a pramipexole hydrochloride oral liquid with excellent stability and oral absorption effect. The pramipexole hydrochloride oral liquid of the present invention is prepared through a simple process, and shows bioequivalence with the tablet containing pramipexole hydrochloride. The invention perfectly realizes multi-dose administration of pramipexole hydrochloride and improves the compliance and accessibility of medication for patients.
    Type: Application
    Filed: January 8, 2021
    Publication date: March 2, 2023
    Inventors: Xinhua FAN, Yanyuan ZHANG, Yun HE, Pengfei LI, Xiang ZHANG, Longhao WU, Peng PENG, Sujing ZHUANG, Li XIAO, Yongrui TU
  • Publication number: 20200214990
    Abstract: A tadalafil orally dissolving film and a preparation method thereof are provided. The tadalafil orally dissolving film consisting of specific components is prepared through a conventional process. Particularly, the tadalafil orally dissolving film is prepared by tadalafil, film-forming material, plasticizer, correctant, colorant and aromatic, wherein the film-forming material includes components of: (a) at least one member selected from polysaccharide; (b) at least one member selected from organic acid; and (c) at least one member selected from hydroxyalkyl cellulose. Compared with prior art, the tadalafil orally dissolving film provided by the present invention has an easy preparation process, no specific requirement on production devices and a storing stability, and is easy to reproduce, has a low requirement on storage conditions, and is easy to package, transport and store.
    Type: Application
    Filed: April 30, 2017
    Publication date: July 9, 2020
    Inventors: Xinhua Fan, Yongrui Tu, Jintao Zhang, Tack Soo Nam, Yun He, Yueyu Zhou, Ji Zhu, Mingjie Zhang
  • Patent number: D1002261
    Type: Grant
    Filed: September 2, 2021
    Date of Patent: October 24, 2023
    Assignee: DONGGUAN HEHE PLASTIC ELECTRONICS CO., LTD.
    Inventor: Xinhua Fan
  • Patent number: D1005073
    Type: Grant
    Filed: September 2, 2021
    Date of Patent: November 21, 2023
    Assignee: DONGGUAN HEHE PLASTIC ELECTRONICS CO., LTD.
    Inventor: Xinhua Fan
  • Patent number: D1008757
    Type: Grant
    Filed: September 2, 2021
    Date of Patent: December 26, 2023
    Assignee: DONGGUAN HEHE PLASTIC ELECTRONICS CO., LTD.
    Inventor: Xinhua Fan
  • Patent number: D1012599
    Type: Grant
    Filed: April 8, 2022
    Date of Patent: January 30, 2024
    Inventor: Xinhua Fan
  • Patent number: D1012600
    Type: Grant
    Filed: September 30, 2022
    Date of Patent: January 30, 2024
    Inventor: Xinhua Fan
  • Patent number: D1026535
    Type: Grant
    Filed: November 25, 2021
    Date of Patent: May 14, 2024
    Inventor: Xinhua Fan