Patents by Inventor Xiaojun SUN

Xiaojun SUN 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: 20240122844
    Abstract: The present disclosure relates to a carrier for sustained-release of a drug and use thereof. The carrier is used to carry a drug. The carrier is in a gel state, a semi-solid state, or a solid state. The carrier includes a polyol fatty acid ester as a main component and a hydrogenated vegetable oil dissolved in the polyol fatty acid ester. The state of the sustained-release carrier can be adjusted by adjusting the amount of the dissolved hydrogenated vegetable oil.
    Type: Application
    Filed: August 15, 2023
    Publication date: April 18, 2024
    Inventors: Lei ZHANG, Kewang LU, Yu SUN, Tuojiang WU, Xiaojun SHI, Ling ZHU, Jie WEI, Yang SONG, DAVID LUK
  • Patent number: 11898854
    Abstract: A method for generating shard data from a geographical area split into sections is proposed. The method uses data representative of a geographical area that is split into sections and data representative of semantic objects located in the geographical area. For each of the sections, semantic objects are searched that are located at least partly in a section. A shard data entry of the shard data is generated. The shard data entry includes one or more semantic objects found by the searching.
    Type: Grant
    Filed: March 31, 2021
    Date of Patent: February 13, 2024
    Assignee: GM Cruise Holdings LLC
    Inventors: Mikhail Chernov, Xiaojun Sun
  • Patent number: 11874857
    Abstract: A system and method for generating shard data based on semantic sharding is proposed. Shard data is generated by a map sharder that is configured to generate the shard data based on semantic objects in a geographical area and a definition of sections. The sections cover parts of the geographical area. The map sharder searches, for each of the sections, for semantic objects that are located at least partly in a section and stores found objects in a shard data entry of the shard data.
    Type: Grant
    Filed: October 28, 2022
    Date of Patent: January 16, 2024
    Assignee: GM CRUISE HOLDINGS LLC
    Inventors: Mikhail Chernov, Xiaojun Sun
  • Publication number: 20230401198
    Abstract: A method for storing shard data and data formats for storing shard data are proposed. Shard data entries are generated and stored, wherein each shard data entry comprises a definition of one or more semantic objects covered by the shard data entry. Shard metadata is generated and stored, wherein the metadata comprises references to the shard data entries and, for each of the shard data entries, data representative of a bounding box indicative of an area in a geographical area that is covered by the shard data entry.
    Type: Application
    Filed: August 29, 2023
    Publication date: December 14, 2023
    Applicant: GM Cruise Holdings LLC
    Inventors: Mikhail Chernov, Xiaojun Sun
  • Patent number: 11786384
    Abstract: An assistance device is described to assist a joint motion of a lower limb. The assistance device includes a driving part, an elastic part, and a crank mechanism. The driving part includes a motor and a transmission mechanism to change a speed of the motor and converts a rotational motion of the motor into a linear motion. The elastic part includes at least: a series spring provided in series between the transmission mechanism and the crank mechanism, a first parallel spring provided between the driving part and the ankle part, and a second parallel spring provided between the ankle part and the foot part. The crank mechanism is provided between the driving part and the foot part and converts the linear motion to a rotational motion while changing a deceleration coefficient according to an ankle angle.
    Type: Grant
    Filed: March 13, 2019
    Date of Patent: October 17, 2023
    Assignee: BIONICM INC.
    Inventor: Xiaojun Sun
  • Publication number: 20230310181
    Abstract: A knee joint that is capable of widening a moveable range, and that has good energy efficiency and is small and lightweight is described. Also described is a knee joint that is of an active type, but comparatively inexpensive. A drive section moves a driven member. An elastic member is arranged between the driven member and a linear motion member. The linear motion member elastically moves in at least one direction, in accordance with movement of the driven member, by way of the elastic member. A crank mechanism can realize bending and extension of the knee joint by converting linear motion of the linear motion member to rotational motion.
    Type: Application
    Filed: May 24, 2023
    Publication date: October 5, 2023
    Inventors: Xiaojun Sun, Masayuki Inaba, Kei Okada, Yuki Asano
  • Publication number: 20230300675
    Abstract: This application provides an uplink data splitting method, a terminal device, and a chip system, and relates to the field of communication technologies. The method includes the following: After determining that a timer expires, a terminal device determines, based on transmission capabilities of an LTE link and an NR link, a data amount of a data package transmitted on the LTE link and the NR link. The transmission capability of the LTE link is determined by the terminal device by transmitting a first detection data package on the LTE link before the timer expires. The transmission capability of the NR link is determined by the terminal device by transmitting a second detection data package on the NR link before the timer expires. The second detection data package is obtained through duplication based on the first detection data package. The terminal device sends same data packages to different communication links to detect transmission capabilities of the communication links.
    Type: Application
    Filed: July 7, 2021
    Publication date: September 21, 2023
    Inventors: Guibin Lin, Xiaojun Sun, Feng Qian
  • Patent number: 11762845
    Abstract: A method for storing shard data and data formats for storing shard data are proposed. Shard data entries are generated and stored, wherein each shard data entry comprises a definition of one or more semantic objects covered by the shard data entry. Shard metadata is generated and stored, wherein the metadata comprises references to the shard data entries and, for each of the shard data entries, data representative of a bounding box indicative of an area in a geographical area that is covered by the shard data entry.
    Type: Grant
    Filed: October 28, 2022
    Date of Patent: September 19, 2023
    Assignee: GM CRUISE HOLDINGS LLC
    Inventors: Mikhail Chernov, Xiaojun Sun
  • Patent number: 11696840
    Abstract: A knee joint that is capable of widening a moveable range, and that has good energy efficiency and is small and lightweight is described. Also described is a knee joint that is of an active type, but comparatively inexpensive. A drive section moves a driven member. An elastic member is arranged between the driven member and a linear motion member. The linear motion member elastically moves in at least one direction, in accordance with movement of the driven member, by way of the elastic member. A crank mechanism can realize bending and extension of the knee joint by converting linear motion of the linear motion member to rotational motion.
    Type: Grant
    Filed: August 30, 2017
    Date of Patent: July 11, 2023
    Assignee: The University of Tokyo
    Inventors: Xiaojun Sun, Masayuki Inaba, Kei Okada, Yuki Asano
  • Publication number: 20230192090
    Abstract: Among other things, techniques are described for determining precedence order at a multiway stop. In embodiments, identifications are assigned to tracks, and young tracks are compared to stale tracks. A young track matches a stale track based on one or more factors. An identification of the young track is reassigned to an identification of the stale track, wherein the young track is determined to match the stale track based on the one or more factors. An earliest time of appearance of agents is determined based on identifications and in view of perception obscured areas. A precedence order for navigating through the intersection is determined based on local rules, the identifications, and the earliest time of appearance of agents, and the vehicle proceeds through the multiway stop intersection in accordance with the precedence order.
    Type: Application
    Filed: January 25, 2022
    Publication date: June 22, 2023
    Inventors: Scott D. Pendleton, Xiaojun Sun, Shu-Kai Lin, Puneet Singhal, Yu Pan, Lubing Zhou, Laith Sahawneh, Guchan Ozbilgin, Giancarlo Baldan
  • Publication number: 20230074988
    Abstract: A method for storing shard data and data formats for storing shard data are proposed. Shard data entries are generated and stored, wherein each shard data entry comprises a definition of one or more semantic objects covered by the shard data entry. Shard metadata is generated and stored, wherein the metadata comprises references to the shard data entries and, for each of the shard data entries, data representative of a bounding box indicative of an area in a geographical area that is covered by the shard data entry.
    Type: Application
    Filed: October 28, 2022
    Publication date: March 9, 2023
    Applicant: GM Cruise Holdings LLC
    Inventors: Mikhail Chernov, Xiaojun Sun
  • Publication number: 20230070452
    Abstract: A system and method for generating shard data based on semantic sharding is proposed. Shard data is generated by a map sharder that is configured to generate the shard data based on semantic objects in a geographical area and a definition of sections. The sections cover parts of the geographical area. The map sharder searches, for each of the sections, for semantic objects that are located at least partly in a section and stores found objects in a shard data entry of the shard data.
    Type: Application
    Filed: October 28, 2022
    Publication date: March 9, 2023
    Applicant: GM Cruise Holdings LLC
    Inventors: Mikhail Chernov, Xiaojun Sun
  • Patent number: 11577309
    Abstract: A variety of polyhedral nanocages are provided having a hollow interior, ultrathin walls, and well-defined facets of metal atoms. The nanocages can include a variety of precious metals such as Pt, Au, Ru, Rh, or Ir. The metal atoms can take a face-centered cubic structure with {111} facets on the surface. The walls can be thin, sometimes less than 1 nm in thickness or only a few atomic layers in thickness. The nanocages can provide for efficient uses of valuable precious metals, among other things, in catalysis. For example, catalysts are provided exhibiting high mass activities in oxygen reduction reactions. Methods of making and methods of using the nanocages and catalysts are also provided.
    Type: Grant
    Filed: October 26, 2020
    Date of Patent: February 14, 2023
    Assignee: Georgia Tech Research Corporation
    Inventors: Younan Xia, Dong Qin, Xue Wang, Sang-Il Choi, Sujin Lee, Lei Zhang, Xiaojun Sun, Junki Kim, Ming Zhao
  • Patent number: 11526535
    Abstract: A system and method for generating shard data based on semantic sharding is proposed. Shard data is generated by a map sharder that is configured to generate the shard data based on semantic objects in a geographical area and a definition of sections. The sections cover parts of the geographical area. The map sharder searches, for each of the sections, for semantic objects that are located at least partly in a section and stores found objects in a shard data entry of the shard data.
    Type: Grant
    Filed: March 31, 2021
    Date of Patent: December 13, 2022
    Assignee: GM Cruise Holdings LLC
    Inventors: Mikhail Chernov, Xiaojun Sun
  • Patent number: 11526498
    Abstract: A method for storing shard data and data formats for storing shard data are proposed. Shard data entries are generated and stored, wherein each shard data entry comprises a definition of one or more semantic objects covered by the shard data entry. Shard metadata is generated and stored, wherein the metadata comprises references to the shard data entries and, for each of the shard data entries, data representative of a bounding box indicative of an area in a geographical area that is covered by the shard data entry.
    Type: Grant
    Filed: March 31, 2021
    Date of Patent: December 13, 2022
    Assignee: GM Cruise Holdings LLC
    Inventors: Mikhail Chernov, Xiaojun Sun
  • Publication number: 20220316888
    Abstract: A method for generating shard data from a geographical area split into sections is proposed. The method uses data representative of a geographical area that is split into sections and data representative of semantic objects located in the geographical area. For each of the sections, semantic objects are searched that are located at least partly in a section. A shard data entry of the shard data is generated. The shard data entry includes one or more semantic objects found by the searching.
    Type: Application
    Filed: March 31, 2021
    Publication date: October 6, 2022
    Applicant: GM Cruise Holdings LLC
    Inventors: Mikhail Chernov, Xiaojun Sun
  • Publication number: 20220318228
    Abstract: A method for storing shard data and data formats for storing shard data are proposed. Shard data entries are generated and stored, wherein each shard data entry comprises a definition of one or more semantic objects covered by the shard data entry. Shard metadata is generated and stored, wherein the metadata comprises references to the shard data entries and, for each of the shard data entries, data representative of a bounding box indicative of an area in a geographical area that is covered by the shard data entry.
    Type: Application
    Filed: March 31, 2021
    Publication date: October 6, 2022
    Applicant: GM Cruise Holdings LLC
    Inventors: Mikhail Chernov, Xiaojun Sun
  • Publication number: 20220315035
    Abstract: Rules based semantic map sharding is proposed. A method of handling semantic objects for semantic map sharding makes used of rules to define which semantic objects are to be included in a shard. Hereto, semantic objects are defined in a geographical area to be contained in shard data. For the semantic objects, a set of rules is defined comprising a definition of which semantic objects are to be combined into a shard data entry of the shard data and which semantic objects are to be stored in separate shard data entries.
    Type: Application
    Filed: March 31, 2021
    Publication date: October 6, 2022
    Applicant: GM Cruise Holdings LLC
    Inventors: Mikhail Chernov, Xiaojun Sun
  • Publication number: 20220318272
    Abstract: A system and method for generating shard data based on semantic sharding is proposed. Shard data is generated by a map sharder that is configured to generate the shard data based on semantic objects in a geographical area and a definition of sections. The sections cover parts of the geographical area. The map sharder searches, for each of the sections, for semantic objects that are located at least partly in a section and stores found objects in a shard data entry of the shard data.
    Type: Application
    Filed: March 31, 2021
    Publication date: October 6, 2022
    Applicant: GM Cruise Holdings LLC
    Inventors: Mikhail Chernov, Xiaojun Sun
  • Publication number: 20220202595
    Abstract: A knee coupling may be an assist device for assisting the movements of a knee joint. Specifically, a knee coupling may include: a ball screw that converts the rotation of a screw shaft rotated by a motor to the linear motion of a nut; a linear motion member that is provided coaxially with the screw shaft and moves along the screw shaft along with the nut; an elastic member that is provided coaxially with the screw shaft to intervene between the nut and the linear motion member; and a crank mechanism that converts the linear motion of the linear motion member to rotational motion.
    Type: Application
    Filed: September 9, 2020
    Publication date: June 30, 2022
    Applicant: BionicM Inc.
    Inventors: Xiaojun SUN, Masaki HANZAWA, Kota TAKIJO