Patents by Inventor Masakatu Nunotani

Masakatu Nunotani 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).

  • Magnetic bubble memory equipment
    Patent number: 4183090
    Abstract: A magnetic bubble memory equipment includes means for receiving address information for a plurality of access requests as a whole, and means for executing address matching operations in parallel for a plurality of addresses. Read-out or write-in command information is fetched for each of the access requests in the sequential order as the coincidence is found in the matching of address and data transfer is sequentially executed in accordance with the command information, thereby to reduce the effective access time for the plurality of the access requests.
    Type: Grant
    Filed: April 18, 1978
    Date of Patent: January 8, 1980
    Assignee: Hitachi, Ltd.
    Inventors: Kazuo Furukawa, Takeshi Masuda, Masakatu Nunotani, Norio Amano