Patents by Inventor Katsura Tsukamoto

Katsura Tsukamoto 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).

  • 1-azabicyclo[3.3.0]octan derivative, salt thereof, process for the preparation of same and use thereof as hypermotility agents
    Patent number: 5539125
    Abstract: There are disclosed a 1-azabicyclo[3.3.0]octan derivative of the formula ##STR1## wherein n is an integer of 1-5; and Ar is an aromatic residue. a pharmacologically acceptable salt of the compound, a process for the preparation of the compound and salt as well as use thereof as hypermotility agents.
    Type: Grant
    Filed: June 13, 1995
    Date of Patent: July 23, 1996
    Assignee: Sanwa Kagaku Kenkyusho Co., Ltd.
    Inventors: Yutaka Baba, Toshinao Usui, Takuji Kakigami, Yoshiro Ozeki, Katsura Tsukamoto, Nobuyuki Itoh
  • Benzopyrancarboxamide derivatives, salts thereof, process for the preparation of same and use thereof
    Patent number: 5502209
    Abstract: There are disclosed a benzopyrancarboxamide derivative of the formula ##STR1## wherein R.sup.1 is hydrogen atom or a lower alkyl group; R.sup.2 is hydrogen atom, a lower alkyl group, halogen atom, an amino radical or an acylamino group; R.sup.3 is hydrogen atom, a lower alkyl group, a lower alkoxy group or halogen atom; dotted line is a possible double bond; and n is an integer of 1-5,and a pharmacologically acceptable salt of the compound, a process for the preparation of the compound and salt as well as use thereof.
    Type: Grant
    Filed: June 13, 1995
    Date of Patent: March 26, 1996
    Assignee: Sanwa Kagaku Kenkyusho Co., Ltd.
    Inventors: Yutaka Baba, Toshinao Usui, Takuji Kakigami, Yoshiro Ozeki, Katsura Tsukamoto, Nobuyuki Asaeda, Nobuyuki Itoh
  • Benzo[B]Furancarboxamide derivatives, process for the preparation of same and use thereof for improving hypermotility
    Patent number: 5442077
    Abstract: There are disclosed a benzo[b]furancarboxamide derivative of the formula ##STR1## wherein R.sup.a, R.sup.b, R.sup.c and R.sup.d are a hydrogen atom or lower alkyl group, respectively; R.sup.e is a hydrogen atom, amino radical, lower alkylamino group or acylamino group; X is a hydrogen atom or halogen atom; and n is an integer of 1-5,and including racemic compounds and stereo-isomers thereof, a salt of the compounds, a process for the preparation of the compounds and salts as well as use thereof for improving hypermotility.
    Type: Grant
    Filed: August 4, 1994
    Date of Patent: August 15, 1995
    Assignee: Sanwa Kagaku Kenkyusho Co., Ltd.
    Inventors: Yutaka Baba, Toshinao Usui, Noriyuki Iwata, Takuji Kakigami, Yoshiro Ozeki, Katsura Tsukamoto, Nobuyuki Ito
  • Bill storing mechanism for automatic teller machines
    Patent number: 4552351
    Abstract: In a currency deposit and dispensing machine, a movable stacking assembly having a pair of paddle wheels is provided in the box for receiving the deposited bills. A predetermined box for receiving the deposited bills. A predetermined space is kept between the wheels and the top of the bills stacked in the box so that the received bills can be positively stacked in the box. On dispensing bills, the weight of the paddle wheel assembly is made to press against the top of the stacked bills so that the bills can be positively fed out one by one from the box through a feed port at the bottom of the box.
    Type: Grant
    Filed: August 1, 1983
    Date of Patent: November 12, 1985
    Assignee: International Business Machines Corporation
    Inventor: Katsura Tsukamoto