Patents by Inventor Hwa-Yuh Shih

Hwa-Yuh Shih 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).

  • Optical switch structure
    Patent number: 7508573
    Abstract: A structure of an optical switch makes the optical switch capable of receiving broadband signals. And the manufacturing procedure is simplified.
    Type: Grant
    Filed: May 25, 2006
    Date of Patent: March 24, 2009
    Assignee: Atomic Energy Council - Institute of Nuclear Energy Research
    Inventors: Chih-Hung Wu, Kai-Sheng Chang, Hwa-Yuh Shih, Yen-Chang Tzeng
  • Optical switch structure
    Publication number: 20070286251
    Abstract: A structure of an optical switch makes the optical switch capable of receiving broadband signals. And the manufacturing procedure is simplified.
    Type: Application
    Filed: May 25, 2006
    Publication date: December 13, 2007
    Inventors: Chih-Hung Wu, Kai-Sheng Chang, Hwa-Yuh Shih, Yen-Chang Tzeng