Patents by Inventor CHE-HUI TSAI

CHE-HUI TSAI 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).

  • Keyboard key structure and method of manufacturing a keycap of a keyboard key
    Patent number: 10825621
    Abstract: A keyboard key structure includes a plurality of keycaps. Each keycap has a keycap body and an outward layer. The keycap body has an appearance with a first color. The outward layer has an appearance with a second color different from the first color. The outward layer is formed above the keycap body. The outward layer is formed with an engraving portion. The first color is exposed in the engraving portion. The present invention also provides a method of manufacturing a keycap of a keyboard key.
    Type: Grant
    Filed: February 25, 2016
    Date of Patent: November 3, 2020
    Assignees: LITE-ON ELECTRONICS (GUANGZHOU) LIMITED, LITE-ON TECHNOLOGY CORPORATION
    Inventors: Che-Hui Tsai, Te-Wei Li, Chieh-Liang Hsiao, Jen-Chieh Huang
  • KEYBOARD KEY STRUCTURE AND METHOD OF MANUFACTURING A KEYCAP OF A KEYBOARD KEY
    Publication number: 20170076881
    Abstract: A keyboard key structure includes a plurality of keycaps. Each keycap has a keycap body and an outward layer. The keycap body has an appearance with a first color. The outward layer has an appearance with a second color different from the first color. The outward layer is formed above the keycap body. The outward layer is formed with an engraving portion. The first color is exposed in the engraving portion. The present invention also provides a method of manufacturing a keycap of a keyboard key.
    Type: Application
    Filed: February 25, 2016
    Publication date: March 16, 2017
    Inventors: CHE-HUI TSAI, TE-WEI LI, CHIEH-LIANG HSIAO, JEN-CHIEH HUANG