Patents by Inventor Yasuo Miyamae

Yasuo Miyamae 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: 4185179
    Abstract: A key-switch device has mechanisms for locking an actuating member and devices for switching an electric circuit printed on a board. A specific key for releasing the lock of the actuating member is inserted into a key way in the actuating member, and the switching action of the circuit is effected by means of the key. A notch may be provided with the key for selectively effecting the switching action.
    Type: Grant
    Filed: February 2, 1978
    Date of Patent: January 22, 1980
    Assignees: Japan Aviation Electronics Industry, Ltd., Sampo Lock Co., Ltd.
    Inventors: Takao Suzuki, Yasuo Miyamae
  • Patent number: 4148201
    Abstract: A locking device is disclosed which comprises a multi-leaved key which is adapted to be inserted within a correspondingly configured keyhole provided within an inner cylinder member. The inner cylinder member is slidably disposed within an outer cylinder member so as to permit or prevent rotation of the inner cylinder member with respect to the outer cylinder member through the interaction between a projection member and a slot or groove respectively provided upon the inner and outer cylinder members, as well as to permit or prevent the inner cylinder member from being engaged with a cam member which is operatively associated wih a lock bolt.
    Type: Grant
    Filed: December 21, 1977
    Date of Patent: April 10, 1979
    Assignee: Sanpo Lock Co., Ltd.
    Inventors: Yasuo Miyamae, Masuo Miyamae
  • Patent number: 4126025
    Abstract: Disclosed is a locking device having an inner lock cylinder axially slidable in a recess in the lock housing. Tumbler means prevent relative motion between the cylinder and the housing until the axial insertion of a key with a double set of notches. Upon insertion thereof, the cylinder may be axially displaced only by pressure against the key to actuate the lock release.
    Type: Grant
    Filed: April 5, 1977
    Date of Patent: November 21, 1978
    Assignee: Sanpo Lock Co., Ltd.
    Inventor: Yasuo Miyamae