Patents by Inventor Yu-Yang Liu

Yu-Yang Liu 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: 20240349961
    Abstract: An autonomous vacuum implements a semi-waterproof waste bag capable of collecting dry waste from vacuum debris and liquid waste from mopping. The autonomous vacuum leverages a dual-roller cleaning head, one for dry cleaning and another for wet cleaning. The autonomous vacuum utilizes vacuum force to ingest both dry waste and liquid waste from the cleaning head into the semi-waterproof waste bag. The semi-waterproof waste bag includes a non-permeable portion formed of a waterproof material and a permeable portion formed of an air-permeable material. The semi-waterproof waste bag may further include a water-absorbent material, e.g., water-absorbing spherical beads.
    Type: Application
    Filed: April 22, 2024
    Publication date: October 24, 2024
    Inventors: Karthik Chandrashekaraiah, Anshuman Kumar, Yu Yang Liu, Shu Yan Liu, Mehul Nariyawala, Navneet Dalal
  • Patent number: 10618137
    Abstract: An automated constructing method of cloud manufacturing service is provided for a distributed system including a virtual machine and a service manager. The method includes: obtaining a library package which is locally built, analyzing the library package to obtain key information, and generating a library information file; automatically generating a project source code file according to the library information file, and generating a web service package according to the project source code file; and deploying, by the service manager, the web service package on the virtual machine.
    Type: Grant
    Filed: March 22, 2018
    Date of Patent: April 14, 2020
    Assignee: NATIONAL CHENG KUNG UNIVERSITY
    Inventors: Chao-Chun Chen, Min-Hsiung Hung, Po-Yi Li, Yu-Chuan Lin, Yu-Yang Liu, Pei-Chen Lee, Fan-Tien Cheng
  • Publication number: 20180278494
    Abstract: An automated constructing method of cloud manufacturing service is provided for a distributed system including a virtual machine and a service manager. The method includes: obtaining a library package which is locally built, analyzing the library package to obtain key information, and generating a library information file; automatically generating a project source code file according to the library information file, and generating a web service package according to the project source code file; and deploying, by the service manager, the web service package on the virtual machine.
    Type: Application
    Filed: March 22, 2018
    Publication date: September 27, 2018
    Inventors: Chao-Chun CHEN, Min-Hsiung HUNG, Po-Yi LI, Yu-Chuan LIN, Yu-Yang LIU, Pei-Chen LEE, Fan-Tien CHENG
  • Patent number: 7887226
    Abstract: An LED lamp tube is disclosed to include a tube that admits light, circuit boards respectively mounted inside the tube, each circuit board carrying an array of LEDs, two end caps respectively capped on the ends of the tube to hold the circuit boards inside the tube and connectable to connectors of a conventional fluorescent bulb holder to secure the tube to the conventional fluorescent bulb holder, and a power cord extending from the circuit boards out of the tube for connection to power supply to obtain the necessary working voltage for the LEDs.
    Type: Grant
    Filed: July 22, 2008
    Date of Patent: February 15, 2011
    Assignee: Ledtech Electronics Corp.
    Inventors: Ming-Chung Huang, Yu-Yang Liu, Fu-Hsung Ou, Ying-Hsuan Chen
  • Publication number: 20100110678
    Abstract: The present invention relates to a light-emitting diode (LED) tube structure, which comprises a lamp cover and a light-emitting assembly. The light-emitting assembly is disposed under the lamp cover; and a condenser film or a diffuser film is disposed above the light-emitting assembly. By using the condenser film or the diffuser film, the light emitted by LEDs can be condensed or diffused for using.
    Type: Application
    Filed: October 29, 2009
    Publication date: May 6, 2010
    Applicant: LEDTECH ELECTRONICS
    Inventors: CHE-CHENG SHEN, YU-YANG LIU, MING-CHUNG HUANG, PEI-HUNG MENG
  • Patent number: 7682039
    Abstract: A male terminal cap and a female terminal cap are mounted on the two ends of a strip light shade to form an extensible strip light shade. Electrical contacts are formed in the terminal caps for electrical coupling when two light shades are connected through mechanical coupling of the terminal caps.
    Type: Grant
    Filed: May 2, 2007
    Date of Patent: March 23, 2010
    Assignee: Ledtech Electronics Corp.
    Inventors: Shu Shoung Kuo, Yen Fu Liu, Yu Yang Liu
  • Publication number: 20100005634
    Abstract: The elastic clipping structure includes a body unit and an elastic unit. The body unit has a body portion, a clipping portion disposed on a first lateral side of the body portion, and an opening forming on a second lateral side of the body portion. The elastic unit has an elastic body with a U shape. The elastic body is disposed on the body portion, and the elastic body has an abutting portion abutted against the clipping portion and two movable portions passing through the opening. Therefore, the body unit and the elastic unit are mated to each other, so that when two opposite forces are acting on two opposite sides of the elastic unit, the elastic unit is compressed inwards. When the two opposite forces are released from the elastic unit, the elastic unit is restored to its original restriction position by the restriction portion.
    Type: Application
    Filed: July 8, 2008
    Publication date: January 14, 2010
    Inventors: Cheng-Hsiung Kuo, Yu-Yang Liu, Ming-Chung Huang
  • Publication number: 20100009188
    Abstract: A nano-structured surface includes a substrate layer, and a plurality of immobilized nanoparticles on the substrate layer. The surface has a water contact angle of greater than 145 degrees. An in situ method of fabricating a nano-structured surface includes treating a substrate layer with a mixture that includes a silica precursor, a water-soluble catalyst, and a low-surface-energy compound to form a treated substrate layer, and curing said treated substrate layer in the atmosphere of ammonia to form a nano-structured surface on the substrate layer.
    Type: Application
    Filed: July 11, 2008
    Publication date: January 14, 2010
    Inventors: John Haozhong Xin, Yu Yang Liu, Hai Feng Lu, Xian Qiong Chen
  • Patent number: 7556396
    Abstract: A lamp assembly includes at least one electrical socket and a tube. The electrical socket includes an insulating body and two connectors set in the insulating body. The insulating body has an insertion hole. The two connectors have a contact plate exposed in the insertion hole. The tube has two terminal lugs disposed at least at one end thereof. The end of the tube and the two terminal lugs are inserted and installed in the insertion hole of the electrical socket. The terminal lugs electrically contact the contact plate of the connector. The end of the tube installed in the insertion hole is rotatable, the lighting angle can be adjusted. Thus, the tube can be electrically connected with the electrical socket quickly, the tube is lit instantly, and the tube can be rotated to adjust the lighting angle.
    Type: Grant
    Filed: November 8, 2007
    Date of Patent: July 7, 2009
    Assignee: Ledtech Electronics Corp.
    Inventors: Shu-Hsiung Kuo, Yen-Fu Liu, Yu-Yang Liu
  • Publication number: 20090122543
    Abstract: A lamp assembly includes at least one electrical socket and a tube. The electrical socket includes an insulating body and two connectors set in the insulating body. The insulating body has an insertion hole. The two connectors have a contact plate exposed in the insertion hole. The tube has two terminal lugs disposed at least at one end thereof The end of the tube and the two terminal lugs are inserted and installed in the insertion hole of the electrical socket. The terminal lugs electrically contact the contact plate of the connector. The end of the tube installed in the insertion hole is rotatable, the lighting angle can be adjusted. Thus, the tube can be electrically connected with the electrical socket quickly, the tube is lit instantly, and the tube can be rotated to adjust the lighting angle.
    Type: Application
    Filed: November 8, 2007
    Publication date: May 14, 2009
    Inventors: Shu-Hsiung Kuo, Yen-Fu Liu, Yu-Yang Liu
  • Publication number: 20090027916
    Abstract: An LED lamp tube is disclosed to include a tube that admits light, circuit boards respectively mounted inside the tube, each circuit board carrying an array of LEDs, two end caps respectively capped on the ends of the tube to hold the circuit boards inside the tube and connectable to connectors of a conventional fluorescent bulb holder to secure the tube to the conventional fluorescent bulb holder, and a power cord extending from the circuit boards out of the tube for connection to power supply to obtain the necessary working voltage for the LEDs.
    Type: Application
    Filed: July 22, 2008
    Publication date: January 29, 2009
    Inventors: Ming-Chung Huang, Yu-Yang Liu, Fu-Hsung Ou, Ying-Hsuan Chen
  • Patent number: 7441922
    Abstract: A LED lamp tube is disclosed to include a tube that admits light, circuit boards respectively mounted inside the tube, each circuit board carrying an array of LEDs, two end caps respectively capped on the ends of the tube to hold the circuit boards inside the tube and connectable to connectors of a conventional fluorescent bulb holder to secure the tube to the conventional fluorescent bulb holder, and a power cord extending from the circuit boards out of the tube for connection to power supply to obtain the necessary working voltage for the LEDs.
    Type: Grant
    Filed: December 14, 2005
    Date of Patent: October 28, 2008
    Assignee: Ledtech Electronics Corp.
    Inventors: Ming-Chung Huang, Yu-Yang Liu, Fu-Hsung Ou, Ying-Hsuan Chen
  • Publication number: 20080198590
    Abstract: A male terminal cap and a female terminal cap are mounted on the two ends of a strip light shade to form an extensible strip light shade. Electrical contacts are formed in the terminal caps for electrical coupling when two light shades are connected through mechanical coupling of the terminal caps.
    Type: Application
    Filed: May 2, 2007
    Publication date: August 21, 2008
    Applicant: LEDTECH ELECTRONICS CORP.
    Inventors: Shu Shoung KUO, Yen Fu LIU, Yu Yang LIU
  • Patent number: 7344290
    Abstract: A Lamp module, which includes a metal holder frame that defines a longitudinal open chamber and transverse mounting slots across the longitudinal open chamber, LEDs that are respectively mounted in the transverse mounting slots and have a respective top metal frame fastened to the top wall of the metal holder frame for quick dissipation of heat, light guides mounted in the longitudinal open chamber of the holder frame and respectively perpendicularly attached to the LEDs, and reflectors respectively embedded in the light guides for reflecting light in one direction.
    Type: Grant
    Filed: September 20, 2005
    Date of Patent: March 18, 2008
    Assignee: Ledtech Electronics Corp.
    Inventors: Ming-Chung Huang, Yu-Yang Liu
  • Publication number: 20070133202
    Abstract: A LED lamp tube is disclosed to include a tube that admits light, circuit boards respectively mounted inside the tube, each circuit board carrying an array of LEDs, two end caps respectively capped on the ends of the tube to hold the circuit boards inside the tube and connectable to connectors of a conventional fluorescent bulb holder to secure the tube to the conventional fluorescent bulb holder, and a power cord extending from the circuit boards out of the tube for connection to power supply to obtain the necessary working voltage for the LEDs.
    Type: Application
    Filed: December 14, 2005
    Publication date: June 14, 2007
    Applicant: LEDTECH ELECTRONICS CORP.
    Inventors: Ming-Chung Huang, Yu-Yang Liu, Fu-Hsung Ou, Ying-Hsuan Chen
  • Publication number: 20070070631
    Abstract: A LED lamp tube connectable to a conventional lamp holder is disclosed to include a circuit board, multiple arrays of LEDs (light emitting diodes) installed in the circuit board, an outer tubular shell that accommodates the circuit board and the LEDs, and two electric connectors provided at the two ends of the circuit board and extending out of the tubular shell for connecting the circuit board to respective connecting holes at a conventional lamp holder to obtain the necessary working voltage.
    Type: Application
    Filed: September 27, 2005
    Publication date: March 29, 2007
    Applicant: LEDTECH ELECTRONICS CORP.
    Inventors: Ming-Chung Huang, Yu-Yang Liu
  • Publication number: 20070064418
    Abstract: A Lamp module, which includes a metal holder frame that defines a longitudinal open chamber and transverse mounting slots across the longitudinal open chamber, LEDs that are respectively mounted in the transverse mounting slots and have a respective top metal frame fastened to the top wall of the metal holder frame for quick dissipation of heat, light guides mounted in the longitudinal open chamber of the holder frame and respectively perpendicularly attached to the LEDs, and reflectors respectively embedded in the light guides for reflecting light in one direction.
    Type: Application
    Filed: September 20, 2005
    Publication date: March 22, 2007
    Applicant: LEDTECH ELECTRONICS CORP.
    Inventors: Ming-Chung Huang, Yu-Yang Liu
  • Publication number: 20070025119
    Abstract: An LED module is disclosed to include a light guide tube, two LEDs provided at the two ends of the light guide tube, a reflector strip, which has an arched reflecting surface for reflecting light from the LEDs, and a converter for converting input power supply to the desired working voltage level for the LEDs.
    Type: Application
    Filed: August 1, 2005
    Publication date: February 1, 2007
    Applicant: LEDTECH ELECTRONICS CORP.
    Inventors: Wen-Jack Chang-Jien, Ming-Chung Huang, Yu-Yang Liu
  • Patent number: D554277
    Type: Grant
    Filed: March 31, 2007
    Date of Patent: October 30, 2007
    Assignee: Ledtech Electronics Corp.
    Inventors: Yu-Yang Liu, Wen-Chieh Chang Chien
  • Patent number: D583496
    Type: Grant
    Filed: March 28, 2007
    Date of Patent: December 23, 2008
    Assignee: Ledtech Electronics Corp.
    Inventors: Shu Shoung Kuo, Yen Fu Liu, Yu Yang Liu