Patents by Inventor Takeyuki Fuse

Takeyuki Fuse 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).

  • Multi channel magnetic transducer head
    Patent number: 4673999
    Abstract: A multi channel magnetic transducer head comprises a magnetic substrate, and a plurality of thin film type magnetic transducer head elements arranged on the magnetic substrate, each magnetic transducer head element including a coil conductor disposed on the magnetic substrate and a thin film magnetic core to constitute a magnetic circuit in co-operation with the substrate, wherein a non-magnetic gap spacer layer with a predetermined thickness is formed at track width portion below front end of the thin film magnetic core on the magnetic core, a non-magnetic layer with thickness larger than that of the gap spacer layer is formed at track spacing portion, the thin film magnetic core has width covering at least the gap spacer layer of the track width portion, thereby good magnetic recording can be performed.
    Type: Grant
    Filed: August 23, 1984
    Date of Patent: June 16, 1987
    Assignee: Sony Corporation
    Inventors: Hideo Suyama, Shigeyoshi Imakoshi, Yutaka Soda, Takeyuki Fuse, Iwao Abe, Noboru Wakabayashi