Patents by Inventor Suimin Yang

Suimin Yang 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).

  • Computer keyboard
    Patent number: 5469160
    Abstract: The present invention relates to a keyboard apparatus for electronic computers. In order to improve the work efficiency and lighten the weariness of an operator, the basic keys in common use consisting of 26 English letter keys and some of punctuation mark keys arranged in three rows are located on different surfaces. ZXCVBNM,./keys are located on the surface having a right angle with the main surface of the keyboard with the back of the keys towards the operator; ASDFGHJKL; keys are located on the lowermost surface; thus the upper surface of ASDFGHJKL; keys are lower than those of any other keys.
    Type: Grant
    Filed: June 18, 1993
    Date of Patent: November 21, 1995
    Inventor: Suimin Yang