Patents by Inventor Takayoshi Yasui

Takayoshi Yasui 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).

  • Patent number: 4933783
    Abstract: A magnetic disk unit including a plurality of magnetic heads, in which for improving the deterioration of read margin due to the difference of output level of regenerative signals at every magnetic head and those at every block of a magnetic disk divided diametrically in plurality, at every magnetic head and every block their gain values are decided to reduce the difference of regenerative signal level between the magnetic heads and between the blocks, thereby an accurate and stable data propagation is made possible.
    Type: Grant
    Filed: June 21, 1988
    Date of Patent: June 12, 1990
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventor: Takayoshi Yasui