Patents by Inventor Muneharu Tokunaga

Muneharu Tokunaga 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).

  • Memory module
    Patent number: 6038132
    Abstract: A memory module capable of changing the generation of semiconductor memory devices by changing the design of a unit board without changing the design of a mother board.The mother board has connection terminals having an ability of connecting with first and second generation type unit boards, so that even when a connection terminal location is changed as a result of the generation change of the semiconductor memory devices, the next unit board can be connected to the mother board by selecting an appropriate terminal from connection terminals on the mother board.
    Type: Grant
    Filed: May 7, 1997
    Date of Patent: March 14, 2000
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventors: Muneharu Tokunaga, Takakazu Fukumoto