Patents by Inventor Tomohiko Kimura

Tomohiko Kimura 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).

  • Molds for continuously casting steel
    Patent number: 4538667
    Abstract: A mold of copper or copper alloy for continuously casting steel comprises a rough inner surface, a plating of nickel, cobalt or alloy thereof formed over the inner surface and a chromium plating formed over said plating. The mold has a prolonged mold life, gives steel slabs with improved qualities and reduces amounts of lubricating material used in the molding operation.
    Type: Grant
    Filed: September 7, 1984
    Date of Patent: September 3, 1985
    Assignees: Sumitomo Metal Industries, Ltd., Satosen Co., Ltd.
    Inventors: Senri Hara, Hiroshi Tomono, Tomohiko Kimura, Kunio Inoue, Takayuki Sato, Yoshio Okada
  • Dihydropyridine compounds
    Patent number: 4450165
    Abstract: A dihydropyridine compound of the formula: ##STR1## or a pharmaceutically acceptable acid addition salt thereof, wherein Het is 5- or 6-membered aromatic heteroaryl, R.sup.1 and R.sup.2 are each lower alkyl, R.sup.3 is lower alkyl, R.sup.4 is hydrogen, lower alkyl or aralkyl, R.sup.5 is lower alkyl or aralkyl, and n is 1 or 2. Such compounds are useful as therapeutic agents for myocardial and cerebral ischemic syndroms and hypertension.
    Type: Grant
    Filed: June 4, 1982
    Date of Patent: May 22, 1984
    Assignee: Yoshitomi Pharmaceutical Industries, Ltd.
    Inventors: Kazuhiko Araki, Hideki Ao, Tomohiko Kimura, Kenichi Aihara
  • 1,4-Dihydropyridine-3,5-dicarboxylic acid ester derivatives
    Patent number: 4423052
    Abstract: 1,4-Dihydropyridine-3,5-dicarboxylic acid ester derivatives represented by the formula ##STR1## (wherein Ar.sup.1 and Ar.sup.2 are each the same or different and represent an aryl group; R.sup.1 represents a lower alkyl group; R.sup.2 and R.sup.3 are each the same or different and represent a lower alkyl or aralkyl group; n is 1 or 2; and R.sup.4 represents a lower alkyl) or the acid addition salts thereof. These compounds are useful as antihypertensive agents and as agents for treating the disturbances of cardiac or cerebral circulation.
    Type: Grant
    Filed: June 1, 1982
    Date of Patent: December 27, 1983
    Assignee: Yoshitomi Pharmaceutical Industries Ltd.
    Inventors: Kazuhiko Araki, Hideki Ao, Kenichi Aihara, Tomohiko Kimura
  • Apparatus for changing the width of a cast piece
    Patent number: 4313487
    Abstract: Herein disclosed is a method and apparatus for changing the width of a cast piece during continuous operation. The method comprises stopping pouring a molten metal into a mold, inserting a frame including a pair of opposite side plate members into the mold so that the lower ends of the members are dipped in the molten metal, pouring the molten metal into a cavity defined by said frame, and withdrawing the cast piece together with said frame to obtain a cast piece having a desired width.
    Type: Grant
    Filed: November 27, 1979
    Date of Patent: February 2, 1982
    Assignee: Sumitomo Kinzoku Kogyo Kabushiki Kaisha
    Inventors: Moriki Hashio, Tomohiko Kimura
  • Method for increasing the width of a cast piece
    Patent number: 4299266
    Abstract: Herein disclosed is a method for increasing the width of a cast piece during continuous operation. The method comprises stopping pouring a molten metal into a mold, inserting a frame including a pair of opposite side plate members into the mold so that the lower ends of the members are dipped in the molten metal, pouring the molten metal into a cavity defined by said frame, and withdrawing the cast piece together with said frame to obtain a cast piece having a desired width.
    Type: Grant
    Filed: January 4, 1979
    Date of Patent: November 10, 1981
    Assignee: Sumitomo Kinzoku Kogyo Kabushiki Kaisha
    Inventors: Moriki Hashio, Tomohiko Kimura
  • Molds for continuously casting steel
    Patent number: 4037646
    Abstract: A copper or copper alloy mold for continuously casting steel is characterized in that the mold has a first layer formed on its interior surface and comprising at least one of nickel and cobalt and a second layer formed on the first layer and containing at least one of nickel and cobalt as a main component and at least one of phosphorus and boron.
    Type: Grant
    Filed: June 4, 1976
    Date of Patent: July 26, 1977
    Assignees: Sumitomo Metal Industries, Ltd., Satosen Company Limited
    Inventors: Senri Hara, Tomohiko Kimura, Hiroshi Tomono, Takayuki Sato