Patents by Inventor Gen-ichi Kamoshita

Gen-ichi Kamoshita 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).

  • Split coil type bubble domain driving apparatus
    Patent number: 3943497
    Abstract: A bubble domain driving apparatus is provided in which a large memory device with a storage capacity of 256 megabits, for example, is divided into 64 smaller memory elements, each thereof comprising one or plurality of thin magnetic film strips for bubble domain, and each of the 4-megabit smaller memory elements is provided with its own coils for applying in the plane thereof bubble domain driving rotating fields with the coils adapted to be selectively energized.
    Type: Grant
    Filed: June 27, 1972
    Date of Patent: March 9, 1976
    Assignee: Hitachi, Ltd.
    Inventors: Shigeru Yoshizawa, Nobuo Saito, Itsuo Mikami, Gen-ichi Kamoshita