Patents by Inventor Masazumi Ikebe

Masazumi Ikebe 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).

  • High read speed multivalued read only memory device
    Patent number: 5721701
    Abstract: In a multivalued ROM device including a plurality of memory cells each for storing N (N=2, 3, . . . )-bit information, each bit of the N-bit information corresponds to one address.
    Type: Grant
    Filed: April 29, 1996
    Date of Patent: February 24, 1998
    Assignee: NEC Corporation
    Inventors: Masazumi Ikebe, Teiichirou Nishizaka