Patents by Inventor Ching Shih Hsu

Ching Shih Hsu 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).

  • Polybenzoxazole precursor and application thereof
    Patent number: 11976170
    Abstract: The present invention provides a polybenzoxazole precursor, which comprises a structure of formula (I): wherein the definitions of Y, Z, R1, i, j, and V are provided herein. By means of the polybenzoxazole precursor, the resin composition of the present invention is able to form a film with high frequency characteristics and high contrast.
    Type: Grant
    Filed: July 5, 2022
    Date of Patent: May 7, 2024
    Assignee: MICROCOSM TECHNOLOGY CO., LTD.
    Inventors: Steve Lien-chung Hsu, Yu-Ching Lin, Yu-Chiao Shih, Hou-Chieh Cheng
  • Luggage piece having sector-like expandable section
    Patent number: 6609598
    Abstract: A luggage piece having a sector-like expandable section is disclosed. The expandable section is seamed between a body and a cover for adjusting the receiving space of a trunk. Furthermore, the body has a bottom and a top, and a longitudinal depth of a bottom is large than that of the top. By a first zipper, the cover can be opened or closed. By the action of the second zipper, the expandable section is expanded outwards and closed inwards like a sector so as to increase the receiving volume for the truck. As the legs of the luggage piece are moved outwards as much as possible so as to have a large distance with the corner wheels, thereby, a preferred stability being acquired.
    Type: Grant
    Filed: October 17, 2001
    Date of Patent: August 26, 2003
    Assignee: Universal World-Wide Business Inc.
    Inventor: Ching Shih Hsu
  • Luggage piece having sector-like expandable section
    Publication number: 20030000784
    Abstract: A luggage piece having a sector-like expandable section is disclosed. The expandable section is seamed between a body and a cover for adjusting the receiving space of a trunk. Furthermore, the body has a bottom and a top, and a longitudinal depth of a bottom is large than that of the top. By a first zipper, the cover can be opened or closed. By the action of the second zipper, the expandable section is expanded outwards and closed inwards like a sector so as to increase the receiving volume for the truck. As the legs of the luggage piece are moved outwards as much as possible so as to have a large distance with the corner wheels, thereby, a preferred stability being acquired.
    Type: Application
    Filed: October 17, 2001
    Publication date: January 2, 2003
    Applicant: Universal World-Wide Business, Inc.
    Inventor: Ching Shih Hsu
  • Luggage wheel
    Patent number: D337515
    Type: Grant
    Filed: July 12, 1991
    Date of Patent: July 20, 1993
    Assignee: Universal World Wide Business Inc.
    Inventor: Ching-Shih Hsu