Patents by Inventor Isao Kinoyama

Isao Kinoyama 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).

  • Fused imidazolium derivatives
    Patent number: 6734203
    Abstract: This invention relates to medicaments, particularly novel fused imidazolium derivatives useful for the treatment of cancers and novel synthetic intermediate compounds thereof. The novel imidazolium derivatives fused with an aryl or heteroaryl ring, characterized in that the 1- and/or 3-position is substituted by an alkyl group etc. having a substituent selected from the group consisting of —ORa, —SRa and the like, have excellent anti-tumor activity and low toxicity and are useful as anticancer agents having wide margins of safety.
    Type: Grant
    Filed: July 1, 2002
    Date of Patent: May 11, 2004
    Inventors: Akira Matsuhisa, Isao Kinoyama, Akira Toyoshima, Takahito Nakahara, Masahiro Takeuchi, Minoru Okada
  • Cyanophenyl derivative
    Publication number: 20040010037
    Abstract: This application relates to a piperazino-substituted novel cyanophenyl derivative in which a substituted carbamoyl or substituted sulfamoyl group having an aryl, heterocyclic or the like group that may have a substituent group is bonded to one nitrogen atom on the piperazine ring. The compound of this application has an anti-androgen action and is useful in preventing or treating prostatic cancer, benign prostatic hyperplasia and the like diseases.
    Type: Application
    Filed: June 30, 2003
    Publication date: January 15, 2004
    Applicant: YAMANOUCHI PHARMACEUTICAL CO., LTD.
    Inventors: Nobuaki Taniguchi, Isao Kinoyama, Takashi Kamikubo, Akira Toyoshima, Kiyohiro Samizu, Eiji Kawaminami, Masakazu Imamura, Hiroyuki Moritomo, Akira Matsuhisa, Masaaki Hirano, Yoji Miyazaki, Eisuke Nozawa, Minoru Okada, Hiroshi Koutoku, Mitsuaki Ohta
  • Cyanophenyl derivative
    Patent number: 6673799
    Abstract: This application relates to a piperazino-substituted novel cyanophenyl derivative in which a substituted carbamoyl or substituted sulfamoyl group having an aryl, heterocyclic or the like group that may have a substituent group is bonded to one nitrogen atom on the piperazine ring. The compound of this application has an anti-androgen action and is useful in preventing or treating prostatic cancer, benign prostatic hyperplasia and the like diseases.
    Type: Grant
    Filed: March 21, 2001
    Date of Patent: January 6, 2004
    Assignee: Yamanouchi Pharmaceutical Co. Ltd.
    Inventors: Nobuaki Taniguchi, Isao Kinoyama, Takashi Kamikubo, Akira Toyoshima, Kiyohiro Samizu, Eiji Kawaminami, Masakazu Imamura, Hiroyuki Moritomo, Akira Matsuhisa, Masaaki Hirano, Yoji Miyazaki, Eisuke Nozawa, Minoru Okada, Hiroshi Koutoku, Mitsuaki Ohta
  • Fused imidazolium derivatives
    Publication number: 20030114508
    Abstract: This invention relates to medicaments, particularly novel fused imidazolium derivatives useful for the treatment of cancers and novel synthetic intermediate compounds thereof.
    Type: Application
    Filed: July 1, 2002
    Publication date: June 19, 2003
    Inventors: Akira Matsuhisa, Isao Kinoyama, Akira Toyoshima, Takahito Nakahara, Masahiro Takeuchi, Minoru Okada