Patents by Inventor Hiroji Asahi

Hiroji Asahi 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).

  • Nonvolatile semiconductor memory device
    Patent number: 4435788
    Abstract: A nonvolatile semiconductor memory device comprising a plurality of memory cells arranged in a matrix pattern and means for sensing data stored in said memory cells, characterized in that each of said memory cells comprises a pair of symmetrical submemory cells, and the pair of said submemory cells can store logic states opposite to each other.
    Type: Grant
    Filed: January 30, 1981
    Date of Patent: March 6, 1984
    Assignee: Texas Instruments Incorporated
    Inventors: Norihisa Kitagawa, Hiroji Asahi