Patents by Inventor Tung Li

Tung Li 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: 11947281
    Abstract: A method for filling toner into a toner cartridge includes the steps of (a) taking a container, which accommodates the toner therein and has opposite first and second ends, and then forming a toner outlet at the first end, (b) sleeving the toner cartridge, which is provided at an end thereof with an opening, onto the container from the first end to the second end via the opening, (c) forming an air permeable hole at the second end, (d) withdrawing the container from the toner cartridge to enable the toner to leave the container via the toner outlet and stay inside the toner cartridge, and (e) sealing the opening of the toner cartridge by a cover. The method is simple and convenient to operate. With the method, the toner can be effectively filled without leakage and with reduced amount of residual toner.
    Type: Grant
    Filed: December 15, 2022
    Date of Patent: April 2, 2024
    Assignees: GENERAL PLASTIC INDUSTRIAL CO., LTD., KATUN CORPORATION
    Inventors: Shih-Hsiung Huang, Kuan-Tung Li, Thn-Chn Yu, Chin-His Chuang, Jean Guay
  • Publication number: 20230324814
    Abstract: An extreme ultra violet (EUV) lithography apparatus includes a light source that generates an EUV light beam, a scanner that receives the light from a junction with the light source and directs the light to a reticle stage, and a debris catcher disposed on a EUV beam path between the light source and the scanner. The debris catcher includes a network membrane including a plurality of nano-fibers.
    Type: Application
    Filed: April 11, 2022
    Publication date: October 12, 2023
    Inventors: I-Hsiung HUANG, Yung-Cheng CHEN, Tung-Li WU
  • Publication number: 20230287085
    Abstract: This disclosure provides a collagen fiber-based ink for bioprinting comprising a high solid content of collagen fiber particles that are suitable for manufacturing collagen-based scaffolds and tissue equivalent implants for regenerative medicine applications.
    Type: Application
    Filed: February 23, 2023
    Publication date: September 14, 2023
    Applicant: Shu-Tung and Alice Li Foundation Inc.
    Inventors: Shu-Tung Li, Karoly Jakab
  • Patent number: 11493727
    Abstract: An optical system is provided, including a fixed assembly, a plurality of movable members, and a plurality of driving assemblies respectively connected to the movable members. The movable members are connected to an optical element and movable relative to the fixed assembly. The driving assemblies respectively drive the movable members to move relative to the fixed assembly in different time intervals.
    Type: Grant
    Filed: December 27, 2019
    Date of Patent: November 8, 2022
    Assignee: TDK TAIWAN CORP.
    Inventors: Yi-Chun Cheng, Chao-Chang Hu, Che-Wei Chang, Chih-Wen Chiang, Tsung-Tung Li, Sin-Jhong Song
  • Publication number: 20220280427
    Abstract: Provided herein are lipid formulations comprising a lipid and a capsid free, non-viral vector (e.g. ceDNA). Lipid particles (e.g., lipid nanoparticles) of the invention include a lipid formulation that can be used to deliver a capsid-free, non-viral DNA vector to a target site of interest (e.g., cell, tissue, organ, and the like).
    Type: Application
    Filed: September 3, 2020
    Publication date: September 8, 2022
    Inventors: Jie Su, Prudence Yui Tung Li, Debra Klatte, Leah Yu Liu, Matthew James Chiocco, Matthew G. Stanton, Jeff Moffit, Jon Edward Chatterton
  • Publication number: 20220249739
    Abstract: The present invention relates to a glycosaminoglycan impregnated biopolymer-based scaffold implant for repairing and regeneration of damaged and diseased human menisci. The biopolymer can be any suitable natural or genetically engineered biopolymers. This scaffold implant has several advantages over prior art implants including higher biomechanical strength and lower surface friction. A method of making the scaffold implant is also disclosed.
    Type: Application
    Filed: August 4, 2020
    Publication date: August 11, 2022
    Applicant: Shu-Tung and Alice Li Foundation Inc.
    Inventor: Shu-Tung Li
  • Publication number: 20220210899
    Abstract: A grounding structure includes a flexible conductive webbing and a counterweight disposed on the flexible conductive webbing. The flexible conductive webbing is weaved from conductive wires, provided to be mounted on a carrier and electrically connected to the carrier. The counterweight is used to allow the flexible conductive webbing to contact a ground in a way of surface contact for electrostatic discharge.
    Type: Application
    Filed: October 28, 2021
    Publication date: June 30, 2022
    Inventors: Tzu-Long Chuang, Hsin-Chieh Chuang, Chia-Hsin Hsiao, Tung-Li Tsai
  • Publication number: 20220105239
    Abstract: A method for producing a collagen meniscus implant by obtaining a freshly excised non-human meniscus, rinsing it in an aqueous solution, drying the rinsed meniscus, shaping it to approximate in dimension an average-sized human meniscus, extracting non-collagenous material from the shaped meniscus, and sterilizing it, yielding a collagen meniscus implant containing at least 90% by weight of type I collagen, less than 0.5% by weight of glycosaminoglycan, and less than 600 ppm DNA. Also disclosed is a collagen meniscus implant prepared by the above method. Further provided is a biocompatible and bioresorbable porous implant for meniscus repair. The implant includes a three-dimensional network of collagen fibers oriented in a direction approximating the collagen fiber orientation of a human meniscus. The implant has a size and a contour substantially equivalent to a human meniscus, and has a chemical composition similar to the above-described collagen meniscus implant.
    Type: Application
    Filed: December 17, 2021
    Publication date: April 7, 2022
    Inventors: Shu-Tung Li, Natsuyo Shishido Lee
  • Publication number: 20210346572
    Abstract: An implantable drug-delivery device for repairing a crushed peripheral nerve. The drug-delivery device includes a matrix formed of a biopolymer and an erythropoietin (EPO) entrapped in the matrix. After in vivo implantation of the drug-delivery device, the EPO elutes over a period of 1 day to 12 weeks. Also disclosed is a method for repairing a crushed peripheral nerve using the implantable drug-delivery device.
    Type: Application
    Filed: July 23, 2021
    Publication date: November 11, 2021
    Inventor: Shu-Tung Li
  • Patent number: 11116876
    Abstract: An implantable drug-delivery device for repairing a severed peripheral nerve. The drug-delivery device includes a matrix formed of a biopolymer and an erythropoietin (EPO) entrapped in the matrix. After in vivo implantation of the drug-delivery device, the EPO elutes over a period of 1 day to 12 weeks. Also disclosed is a method for repairing a severed peripheral nerve using the implantable drug-delivery device.
    Type: Grant
    Filed: February 20, 2019
    Date of Patent: September 14, 2021
    Assignee: Shu-Tung and Alice Li Foundation Inc.
    Inventor: Shu-Tung Li
  • Publication number: 20210196464
    Abstract: An implant for the repair of bone and cartilage that includes a cell conductive zone that contains biopolymeric fibers and an osteoconductive zone that contains biopolymeric fibers and calcium-containing mineral particles. The biopolymeric fibers from one zone overlap with the fibers in the other zone forming a stable physical and mechanical integration of the two zones, thus conferring in vivo stability to the implant.
    Type: Application
    Filed: March 12, 2021
    Publication date: July 1, 2021
    Inventors: Shu-Tung Li, Hui-Chen Chen, Debbie Yuen
  • Patent number: 11002941
    Abstract: A calibration method of an optical system is provided, wherein the optical system includes a movable element that can move within an operation interval. The calibration method includes the step of establishing a relationship between the operation interval and an electrical signal coding sequence. The calibration method further includes the step of establishing a relationship between the operation interval and a sensing signal coding sequence.
    Type: Grant
    Filed: December 27, 2019
    Date of Patent: May 11, 2021
    Assignee: TDK TAIWAN CORP.
    Inventors: Yi-Chun Cheng, Chao-Chang Hu, Che-Wei Chang, Chih-Wen Chiang, Tsung-Tung Li, Sin-Jhong Song
  • Patent number: 10983474
    Abstract: A waste toner detection device includes a stirring shaft for stirring waste toners, a transmission member moveable in response to a rotational load of the stirring shaft between an engaged position and a disengaged position where the transmission member does not transmit rotation to the stirring shaft, a rotary arm drivenable by the transmission member when the transmission member is located at the disengaged position, and an indication member. The indication member is restricted by the rotary arm at a retracted position when the rotary arm is located at a locked position, and the indication member is driven by a biasing force to move to an extended position when the rotary arm is located at a released position. As a result, the waste toner detection device can accurately detects whether the amount of the waste toners stored in a waste toner container has reached a predetermined amount.
    Type: Grant
    Filed: March 6, 2020
    Date of Patent: April 20, 2021
    Assignee: GENERAL PLASTIC INDUSTRIAL CO., LTD.
    Inventor: Kuan-Tung Li
  • Patent number: 10945846
    Abstract: An implant for the repair of bone and cartilage that includes a cell conductive zone that contains biopolymeric fibers and an osteoconductive zone that contains biopolymeric fibers and calcium-containing mineral particles. The biopolymeric fibers from one zone overlap with the fibers in the other zone forming a stable physical and mechanical integration of the two zones, thus conferring in vivo stability to the implant.
    Type: Grant
    Filed: August 19, 2016
    Date of Patent: March 16, 2021
    Assignee: Collagen Matrix, Inc.
    Inventors: Shu-Tung Li, Hui-Chen Chen, Debbie Yuen
  • Publication number: 20200268936
    Abstract: A compression and kink resistant tubular implant for nerve repair. The implant includes a tubular biopolymeric membrane and a polymeric supporting filament. Also provided is a shaped compression resistant implant for ridge augmentation in dental surgery. Methods for producing the implants are also provided.
    Type: Application
    Filed: April 3, 2020
    Publication date: August 27, 2020
    Inventors: Shu-Tung Li, Debbie Yuen
  • Publication number: 20200209515
    Abstract: An optical system is provided, including a fixed assembly, a plurality of movable members, and a plurality of driving assemblies respectively connected to the movable members. The movable members are connected to an optical element and movable relative to the fixed assembly. The driving assemblies respectively drive the movable members to move relative to the fixed assembly in different time intervals.
    Type: Application
    Filed: December 27, 2019
    Publication date: July 2, 2020
    Inventors: Yi-Chun CHENG, Chao-Chang HU, Che-Wei CHANG, Chih-Wen CHIANG, Tsung-Tung LI, Sin-Jhong SONG
  • Publication number: 20200213493
    Abstract: A calibration method of an optical system is provided, wherein the optical system includes a movable element that can move within an operation interval. The calibration method includes the step of establishing a relationship between the operation interval and an electrical signal coding sequence. The calibration method further includes the step of establishing a relationship between the operation interval and a sensing signal coding sequence.
    Type: Application
    Filed: December 27, 2019
    Publication date: July 2, 2020
    Inventors: Yi-Chun CHENG, Chao-Chang HU, Che-Wei CHANG, Chih-Wen CHIANG, Tsung-Tung LI, Sin-Jhong SONG
  • Patent number: 10642215
    Abstract: A toner detection device of a waste toner container having a housing includes a rotational wheel, a transmission member and a resilient member. The rotational wheel is rotatably disposed to the housing and provided with a first abutment portion. The transmission member including a second abutment position is connected with the rotational wheel in a way that the transmission member is rotatable with the rotational wheel and moveable relative to the rotational wheel between a first position and a second position. Two ends of the resilient member are respectively abutted against the first and second abutment portions in a way that the second abutment portion approaches the first abutment portion and the transmission member is rotatable relative to the rotational wheel with the transmission member moving from the first position to the second position.
    Type: Grant
    Filed: June 11, 2019
    Date of Patent: May 5, 2020
    Assignee: GENERAL PLASTIC INDUSTRIAL CO., LTD.
    Inventor: Kuan-Tung Li
  • Publication number: 20200038193
    Abstract: A method for producing a collagen meniscus implant by obtaining a freshly excised non-human meniscus, rinsing it in an aqueous solution, drying the rinsed meniscus, shaping it to approximate in dimension an average-sized human meniscus, extracting non-collagenous material from the shaped meniscus, cross-linking, and sterilizing it, yielding a collagen meniscus implant containing at least 90% by weight of type I collagen, less than 0.5% by weight of native glycosaminoglycan, and less than 600 ppm DNA. Also disclosed is a collagen meniscus implant prepared by the above method. Further provided is a biocompatible and bioresorbable porous implant for meniscus repair. The implant includes a three-dimensional network of collagen fibers oriented in a direction approximating the collagen fiber orientation of a human meniscus. The implant has a size and a contour substantially equivalent to a human meniscus, and has a chemical composition similar to the above-described collagen meniscus implant.
    Type: Application
    Filed: October 9, 2019
    Publication date: February 6, 2020
    Inventors: Shu-Tung Li, Natsuyo S. Lee, Gregory J. Pomrink
  • Patent number: 10537417
    Abstract: A density gradient biopolymeric matrix implant is disclosed. The implant includes a first homogeneous matrix layer and a second homogeneous matrix layer having a density different from that of the first homogeneous matrix layer. Biopolymeric fibers at the surface of the first homogeneous matrix layer are physically in contact with and cross-linked to the biopolymeric fibers at the surface of the second homogeneous matrix layer. Also disclosed is a three-dimensional density gradient biopolymeric matrix implant that includes a first homogeneous matrix surrounding a second homogeneous matrix having a different density. Biopolymeric fibers at an inner surface of the first homogeneous matrix are physically in contact with and cross-linked to biopolymeric fibers at an outer surface of the second homogeneous matrix. Furthermore, methods for preparing the density gradient biopolymeric matrix implant and the three-dimensional density gradient biopolymeric matrix implant are provided.
    Type: Grant
    Filed: July 7, 2016
    Date of Patent: January 21, 2020
    Assignee: Collagen Matrix, Inc.
    Inventors: Shu-Tung Li, Natsuyo Shishido Lee, Debbie Yuen