Patents by Inventor Kizo Adachi

Kizo Adachi 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: 4139821
    Abstract: An inner magnet type movable coil instrument comprises a cylindrical permanent magnet magnetized to axis-symmetrically form a pair of opposite magnetic poles in a direction to the axis of the magnet; a pair of arcuate magnetic plates made of soft iron and bonded to the opposite side surfaces of the cylindrical permanent magnet with each magnetic pole located at a central line of the magnetic plate; a semicylindrical yoke made of soft iron and secured to one side surface on which it intersects orthogonal to the opposite magnetic poles, said yoke being arranged coaxial with the permanent magent and having sections inclined in the same direction to the axis of the yoke and confronting the magnetic poles of the permanent magnet; a movable coil rotatable coaxially of the permanent magnet and in a gap between the permanent magnet and the yoke; upper and lower bearing members formed integral with the yoke and journalizing the movable coil therein; control spring means mounted on the movable coil; and a pointer.
    Type: Grant
    Filed: March 28, 1977
    Date of Patent: February 13, 1979
    Inventor: Kizo Adachi