Patents by Inventor Thoru Shibata

Thoru Shibata 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: 5181754
    Abstract: A vehicular door lock device comprises a body having on its front side a guide groove for receiving a striker and on its rear side a raised portion for defining the guide groove, a latch, a ratchet engaged with the latch, outer and inner levers connected to outer and inner handles of the door respectively, a locking lever connected to a key, an outer link placed between the locking lever and the open lever and changed to an unlocked position and a locked position when the locking lever rotates, an inner link conencted to the inner lever so as to release the ratchet from the latch when the inner lever rotates irrespective of a locked condition. The outer link and the locking lever are connected through an intermediate link. A back plate is fixed to the rear side of the body.
    Type: Grant
    Filed: July 19, 1991
    Date of Patent: January 26, 1993
    Assignee: Mitsui Kinzoku Kogyo Kabushiki Kaisha
    Inventor: Thoru Shibata
  • Patent number: 5136032
    Abstract: A phosphopolyol compound, such as pyrogens, is separated from a solution to be used in the pharmaceutical field by bringing the solution into contact with a porous adsorbent which has a pore size of 1 nm to 20 microns and comprises a base material and a functional chain group of an aliphatic amine having a chain length of 2 to 50, bonded to the base material.
    Type: Grant
    Filed: November 29, 1990
    Date of Patent: August 4, 1992
    Assignees: Daicel Chemical Industries, Ltd., Tanabe Seiyaku Co., Ltd.
    Inventors: Shinji Nagamatsu, Yoshikazu Tanaka, Thoru Shibata
  • Patent number: 5105673
    Abstract: A setting-up apparatus of over-centering coil springs comprises a base plate having a first opening, an oscillating member having a second opening and journalled on the base plate so as to be displaced between a first position and a second position, a coil spring provided with a first leg engaged with said first opening and a second leg engaged with said second opening in order to hold said oscillating member at either one of said first position and the second position separated by a centering dead point of the oscillating member, and a communication opening communicated with said first opening. The communication opening is adapted to receive the first leg of the coil spring without compression of the coil spring when the second leg is engaged with the second opening which doesn't have the communication opening.
    Type: Grant
    Filed: June 21, 1991
    Date of Patent: April 21, 1992
    Assignee: Mitsui Kinzoku Kogyo Kabushiki Kaisha
    Inventor: Thoru Shibata
  • Patent number: 5005392
    Abstract: A switch device in a car lock device includes a lock lever disposed between a body and a back plate, rotating with a center shaft in a longitudinal direction being its axis of rotation and switching the lock device to a lock state and an unlock state, and a switch member fitted to the outer surface of the back plate, having a rotary shaft on the same axis as the center shaft, connected electrically to the lock devices of other doors and sending switching signals of the lock state and unlock state to the other locking devices. A switch arm which rotates between the lock position and the unlock position and is equipped at one of its ends with an engagement hole is fixed to the rotary shaft. An arcuate hole having its center on the center shaft is formed at one of the ends of the lock lever. One of the ends of the a rod whose other end is interconnected to a key cylinder is meshed with the arcuate hole of the lock lever and with the engagement hole of the switch arm.
    Type: Grant
    Filed: June 14, 1990
    Date of Patent: April 9, 1991
    Assignee: Mitsui Kinzoku Kogyo Kabushiki Kaisha
    Inventor: Thoru Shibata