Patents by Inventor Yoshikazu Jinbo

Yoshikazu Jinbo 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).

  • Quinazoline compound and anti-tumor agent containing said compound as an active ingredient
    Patent number: 5912247
    Abstract: A quinazoline compound of the formula (I): ##STR1## wherein Z means a group of the formula: ##STR2## (X is CH.sub.2, CHOH, CHOCH.sub.3, or O, and n is 1 to 3), or a group of the formula: ##STR3## (A is H or CH.sub.3, and B is --CH.sub.2 OH, or ethyl having 1 or 2 OH, or propyl having 2 or 3 OH), or a salt thereof, which are useful as anti-tumor agent, and a pharmaceutical composition containing the compound as an active ingredient.
    Type: Grant
    Filed: August 20, 1997
    Date of Patent: June 15, 1999
    Assignee: Kanebo, Ltd.
    Inventors: Yoshikazu Jinbo, Tomohiro Miyasaka, Yoshiaki Ikeda, Takashi Sekida, Kei Naruse, Masayuki Ando, Shigeru Iwaki, Kohichiro Yoshino
  • Quinolinecarboxylic acid derivatives
    Patent number: 5191079
    Abstract: Novel quinolinecarboxylic acid derivatives of the formula: ##STR1## wherein Z is ##STR2## in which R.sup.1 is hydrogen atom, a halogen atom, hydroxy or a lower alkyloxy; R.sup.2 is a halogen atom, hydroxy or a lower alkyloxy; R.sup.3 is a lower alkyl; and R.sup.4 is hydroxy or a di(lower alkyl)amino, and a pharmaceutically acceptable salt thereof, which have excellent antibacterial activities and are useful as an antibacterial agent, a pharmaceutical composition containing the same, and process for preparing the same.
    Type: Grant
    Filed: June 30, 1992
    Date of Patent: March 2, 1993
    Assignee: Kanebo, Ltd.
    Inventors: Hirosato Kondo, Masahiro Taguchi, Yoshikazu Jinbo, Yoshimasa Inoue, Yasuo Kotera, Fumio Sakamoto
  • Quinolinecarboxylic acid derivatives, antibacterial agent containing the same
    Patent number: 5166203
    Abstract: Novel quinolinecarboxylic acid derivatives of the formula: ##STR1## wherein Z is ##STR2## or ##STR3## in which R.sup.1 is hydrogen atom, a halogen atom, hydroxy or a lower alkyloxy; R.sup.2 is a halogen atom, hydroxy or a lower alkyloxy; R.sup.3 is a lower alkyl; and R.sup.4 is hydroxy or a di(lower alkyl)amino, and a pharmaceutically acceptable salt thereof, which have excellent antibacterial activities and are useful as an antibacterial agent, a pharmaceutical composition containing the same, and process for preparing the same.
    Type: Grant
    Filed: May 12, 1991
    Date of Patent: November 24, 1992
    Assignee: Kanebo, Ltd.
    Inventors: Hirosata Kondo, Masahiro Taguchi, Yoshikazu Jinbo, Yoshimasa Inoue, Yasuo Kotera, Fumio Sakamoto