Patents by Inventor Chang Ji

Chang Ji 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: 9293869
    Abstract: An electrical connector (100) includes an insulative body (2), a number of contacts (1), and a metal shell (5). The insulative body includes an upper wall (21), a lower wall (22) opposite to the upper wall, a pair of sidewalls (23), and a rear wall (24) connecting between the upper wall, the lower wall, and the sidewalls for cooperatively defining a receiving space (20). The insulative body has a mating tongue (25) extending forwardly from the rear wall into the receiving space. The contacts are retained in the mating tongue and partly exposed in the receiving space. The metal shell has a pair of arc portions engaging with a mating plug connector. The metal shell is positioned on the upper wall for reducing interference between the metal shell and an antenna mounted on a printed circuit board.
    Type: Grant
    Filed: January 23, 2015
    Date of Patent: March 22, 2016
    Assignee: FOXCONN INTERCONNECT TECHNOLOGY LIMITED
    Inventors: Qiang Ning, Zhen-Sheng Wang, Chang-Ji Liu
  • Publication number: 20150207272
    Abstract: An electrical connector (100) includes an insulative body (2), a number of contacts (1), and a metal shell (5). The insulative body includes an upper wall (21), a lower wall (22) opposite to the upper wall, a pair of sidewalls (23), and a rear wall (24) connecting between the upper wall, the lower wall, and the sidewalls for cooperatively defining a receiving space (20). The insulative body has a mating tongue (25) extending forwardly from the rear wall into the receiving space. The contacts are retained in the mating tongue and partly exposed in the receiving space. The metal shell has a pair of arc portions engaging with a mating plug connector. The metal shell is positioned on the upper wall for reducing interference between the metal shell and an antenna mounted on a printed circuit board.
    Type: Application
    Filed: January 23, 2015
    Publication date: July 23, 2015
    Inventors: QIANG NING, ZHEN-SHENG WANG, CHANG-JI LIU
  • Patent number: 8574556
    Abstract: The present invention relates to an antibacterial pharmaceutical composition comprising an Aceriphyllum rossii extract, and aceriphyllic acid A and 3-oxo-12-oleanen-27-oic acid isolated therefrom. The Aceriphyllum rossii extract of the present invention, and aceriphyllic acid A and 3-oxo-12-oleanen-27-oic acid isolated therefrom have strong antibacterial activities against Staphylococcus aureus, methicillin-resistant S. aureus, quinolone-resistant S. aureus, Acinetobacter calcoaceticus, Micrococcus luteus, Bacillus subtilis or Streptococcus mutans, Propionibacterium acnes, thereby being used for the prevention or treatment of pathogenic bacterial and resistant bacterial infections, cariogenic bacterial and acne bacterial infections.
    Type: Grant
    Filed: November 12, 2008
    Date of Patent: November 5, 2013
    Assignee: Korea Research Institute of Bioscience and Biotechnology
    Inventors: Won Gon Kim, Chang Ji Zheng, Ki Young Kim, Mi Jin Sohn
  • Publication number: 20110223118
    Abstract: The present invention relates to an antibacterial pharmaceutical composition comprising an Aceriphyllum rossii extract, and aceriphyllic acid A and 3-oxo-12-oleanen-27-oic acid isolated therefrom. The Aceriphyllum rossii extract of the present invention, and aceriphyllic acid A and 3-oxo-12-oleanen-27-oic acid isolated therefrom have strong antibacterial activities against Staphylococcus aureus, methicillin-resistant S. aureus, quinolone-resistant S. aureus, Acinetobacter calcoaceticus, Micrococcus luteus, Bacillus subtilis or Streptococcus mutans, Propionibacterium acnes, thereby being used for the prevention or treatment of pathogenic bacterial and resistant bacterial infections, cariogenic bacterial and acne bacterial infections.
    Type: Application
    Filed: November 12, 2008
    Publication date: September 15, 2011
    Applicant: KOREA RESEARCH INSTITUTE OF BIOSCIENCE AND BIOTECHNOLOGY
    Inventors: Won Gon Kim, Chang Ji Zheng, Ki Young Kim, Mi Jin Sohn
  • Publication number: 20050078932
    Abstract: A variable optical attenuator is disclosed. The variable optical attenuator includes an optical fiber part formed of at least one input optical fiber integrated with at least one output optical fiber, a mirror part having at least one micromirror facing into and spaced apart from the optical fiber part, reflecting emitted light rays emitted from the input fiber to the output fiber, and making one of a vertical movement and a rotational movement, so as to attenuate the emitted light rays, and a lens formed between the optical fiber part and the mirror part, and focusing the emitted light rays emitted from the input optical fiber to the micromirror.
    Type: Application
    Filed: July 16, 2004
    Publication date: April 14, 2005
    Inventors: Young Yee, Chang Ji
  • Publication number: 20050013580
    Abstract: A variable optical attenuator is disclosed.
    Type: Application
    Filed: July 15, 2004
    Publication date: January 20, 2005
    Inventors: Young Yee, Chang Ji
  • Publication number: 20050006612
    Abstract: A flow control valve apparatus using a flow control valve manufactured via micro-machining is provided. The flow control valve has a substrate defining at least one orifice through which a fluid can flow, a support member formed on a first surface of the substrate, at least one flap corresponding to the at least one orifice, a pair of elastic flexures connecting the support member to the at least one flap, and a driving means for displacing the at least one flap between the first and second positions to control fluid flow through the at least one orifice. The support member is formed adjacent to the at least one orifice and the at least one flap extends from the support member to fittingly engage the at least one orifice in a first and second position. Also, the pair of elastic flexures provides an elastic restorative force proportional to a displacement of the at least one flap between the first and second positions.
    Type: Application
    Filed: July 7, 2004
    Publication date: January 13, 2005
    Inventors: Chang Ji, Young Yee, Jeong Choi