Patents by Inventor Katsunori Yokokawa

Katsunori Yokokawa 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).

  • Jointing structure of vehicle traveling path joints having expansion function and method of mounting elastic member therein
    Patent number: 8602678
    Abstract: A jointing structure comprising multiple steps provided face to face at the coaxially built traveling path ends with an expansion gap between, multiple elastic members respectively mounted inside the multiple steps, and a joint block mounted on the multiple elastic members across the expansion gap. Multiple supporting blocks and one or more than one intermediate joint block are mounted inside the multiple steps with the joint block between. The multiple supporting blocks, the joint block and the one or more than one intermediate joint block are of concrete. The elastic members are joined together across the expansion gap. The elastic member on one side is fixed to the inside of the step on one side and then subjected to deformation toward the bridge girder axis, and thereafter, the elastic member on the other side is fixed to the inside of the step on the other side.
    Type: Grant
    Filed: March 7, 2012
    Date of Patent: December 10, 2013
    Assignees: Central Japan Railway Company, Abe Nikkokogyo Co., Ltd., JR Central Consultants Company, Japan Transportation Consultants, Inc.
    Inventors: Takashi Kawamoto, Takafumi Matsuda, Masaaki Miyamoto, Hironori Sadakane, Katsunori Yokokawa, Minoru Tsukahara, Junichi Kawaura, Yuki Motoyama
  • JOINTING STRUCTURE IN VEHICLE TRAVELLING PATH JOINTS AND THE LIKE HAVING EXPANSION FUNCTION AND METHOD OF MOUNTING ELASTIC MEMBER THEREIN
    Publication number: 20120237295
    Abstract: A jointing structure comprising multiple steps provided face to face at the coaxially built traveling path ends with an expansion gap between, multiple elastic members respectively mounted inside the multiple steps, and a joint block mounted on the multiple elastic members across the expansion gap. Multiple supporting blocks and one or more than one intermediate joint block are mounted inside the multiple steps with the joint block between. The multiple supporting blocks, the joint block and the one or more than one intermediate joint block are of concrete. The elastic members are joined together across the expansion gap. The elastic member on one side is fixed to the inside of the step on one side and then subjected to deformation toward the bridge girder axis, and thereafter, the elastic member on the other side is fixed to the inside of the step on the other side.
    Type: Application
    Filed: March 7, 2012
    Publication date: September 20, 2012
    Applicants: CENTRAL JAPAN RAILWAY COMPANY, JAPAN TRANSPORTATION CONSULTANTS, INC., JR CENTRAL CONSULTANTS COMPANY, ABE NIKKOKOGYO CO., LTD.
    Inventors: Takashi Kawamoto, Takafumi Matsuda, Masaaki Miyamoto, Hironori Sadakane, Katsunori Yokokawa, Minoru Tsukahara, Junichi Kawaura, Yuki Motoyama