Patents by Inventor Takai Yasuhiro

Takai Yasuhiro 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).

  • Syncronous dynamic semiconductor memory device using pipelined multi-bit prefetch architecture
    Patent number: 5703830
    Abstract: In a synchronous dynamic semiconductor memory device, a plurality of data paths, each of which is formed by a column decoder, a sense amplifier and a first-stage data amplifier, are provided between a column address buffer having a burst counter function and a second-stage data amplifier which is further connected to a data latch circuit.
    Type: Grant
    Filed: August 23, 1996
    Date of Patent: December 30, 1997
    Assignee: NEC Corporation
    Inventor: Takai Yasuhiro