Patents by Inventor Yeh Jin Ching

Yeh Jin Ching 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).

  • Switch device for optical fibers
    Patent number: 5920667
    Abstract: A switch device with a spiral mechanism for optical fiber is disclosed for improved reliablility.
    Type: Grant
    Filed: August 12, 1997
    Date of Patent: July 6, 1999
    Assignee: Industrial Technology Research Institute
    Inventors: Kuo-Tung Tiao, Yen-Zen Lee, Wen-Chin Lin, Victor Hwang, Yeh Jin Ching