Patents by Inventor Yousei Nagahama

Yousei Nagahama 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).

  • Semiconductor memory incorporating a plurality of data input buffers for multi-bit operation
    Patent number: 5424984
    Abstract: A read-write semiconductor memory comprises a first data input buffer which takes in external data and which has a pair of signal output nodes for outputting a pair of signals corresponding to the taken-in data, a pair of signal lines connected to a pair of signal output nodes of the first data input buffer, and second data input buffers which are connected to the pair of signal lines and which have internal data set according to the signals on the pair of signal lines.
    Type: Grant
    Filed: March 4, 1994
    Date of Patent: June 13, 1995
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Yousei Nagahama, Kimimasa Imai