Patents by Inventor Kentoku Gotanda

Kentoku Gotanda 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).

  • Chromone derivative having osteogenesis promoting effect
    Patent number: 9221811
    Abstract: Compounds or pharmacologically acceptable salts thereof for promoting osteogenesis, improving bone metabolism, preventing or treating bone fracture, preventing or treating a disease associated with bone metabolism, or in the field of orthopedics for the promotion of healing of bone fracture, a bone defect, and bone diseases such as osteoarthritis as well as in the field of dentistry for the treatment of periodontal disease and the stabilization of artificial tooth root.
    Type: Grant
    Filed: July 17, 2014
    Date of Patent: December 29, 2015
    Assignee: Daiichi Sankyo Company, Limited
    Inventors: Katsuhiro Kawakami, Toshihiro Kiho, Atsushi Tengeiji, Kentoku Gotanda, Kazumasa Aoki, Kazuki Yano
  • CHROMONE DERIVATIVE HAVING OSTEOGENESIS PROMOTING EFFECT
    Publication number: 20140349991
    Abstract: Compounds or pharmacologically acceptable salts thereof for promoting osteogenesis, improving bone metabolism, preventing or treating bone fracture, preventing or treating a disease associated with bone metabolism, or in the field of orthopedics for the promotion of healing of bone fracture, a bone defect, and bone diseases such as osteoarthritis as well as in the field of dentistry for the treatment of periodontal disease and the stabilization of artificial tooth root.
    Type: Application
    Filed: July 17, 2014
    Publication date: November 27, 2014
    Applicant: DAIICHI SANKYO COMPANY, LIMITED
    Inventors: Katsuhiro Kawakami, Toshihiro Kiho, Atsushi Tengeiji, Kentoku Gotanda, Kazumasa Aoki, Kazuki Yano
  • Substituted propanamide derivative and pharmaceutical composition containing the same
    Patent number: 8344029
    Abstract: It is an object of the present invention to provide a substituted propanamide derivative or a pharmacologically acceptable salt thereof that is useful as a prophylactic or therapeutic agent for a bone metabolic disease. The present invention relates to a pharmaceutical composition comprising a compound having General Formula (I) or a pharmacologically acceptable salt thereof as an active ingredient: [wherein, R1 represents a C6-C10 aryl group that may be substituted by a group selected from Substituent Group ?, for example; R2 represents a C6-C10 aryl group that may be substituted by a group selected from Substituent Group ?, for example; and X represents a hydroxyl group or a C1-C6 alkoxy group, for example].
    Type: Grant
    Filed: July 18, 2006
    Date of Patent: January 1, 2013
    Assignee: Daiichi Sankyo Company, Limited
    Inventors: Kazumasa Aoki, Koji Suda, Kentoku Gotanda, Tomio Kimura
  • Indanyl compounds
    Patent number: 8183272
    Abstract: Compounds exhibiting calcium receptor antagonist activity that are safe and orally administrable having Formula (I) or pharmaceutically acceptable salts thereof:
    Type: Grant
    Filed: June 23, 2011
    Date of Patent: May 22, 2012
    Assignee: Daiichi Sankyo Company, Limited
    Inventors: Akira Nakao, Kentoku Gotanda, Kazumasa Aoki, Shimpei Hirano, Yoshiharu Hiruma, Takeshi Shiiki
  • Cyclic amine compounds
    Patent number: 8173631
    Abstract: Compounds exhibiting calcium receptor antagonist activity that are safe and orally administrable having Formula (I) or pharmaceutically acceptable salts thereof
    Type: Grant
    Filed: June 23, 2011
    Date of Patent: May 8, 2012
    Assignee: Daiichi Sankyo Company, Limited
    Inventors: Akira Nakao, Kentoku Gotanda, Kazumasa Aoki, Shimpei Hirano, Yoshiharu Hiruma, Takeshi Shiiki
  • INDANYL COMPOUNDS
    Publication number: 20110319359
    Abstract: Compounds exhibiting calcium receptor antagonist activity that are safe and orally administrable having Formula (I) or pharmaceutically acceptable salts thereof:
    Type: Application
    Filed: June 23, 2011
    Publication date: December 29, 2011
    Applicant: DAIICHI SANKYO COMPANY, LIMITED
    Inventors: Akira Nakao, Kentoku Gotanda, Kazumasa Aoki, Shimpei Hirano, Yoshiharu Hiruma, Takeshi Shiiki
  • CYCLIC AMINE COMPOUNDS
    Publication number: 20110319468
    Abstract: Compounds exhibiting calcium receptor antagonist activity that are safe and orally administrable having Formula (I) or pharmaceutically acceptable salts thereof
    Type: Application
    Filed: June 23, 2011
    Publication date: December 29, 2011
    Applicant: DAIICHI SANKYO COMPANY, LIMITED
    Inventors: Akira Nakao, Kentoku Gotanda, Kazumasa Aoki, Shimpei Hirano, Yoshiharu Hiruma, Takeshi Shiiki
  • SUBSTITUTED PROPANAMIDE DERIVATIVE AND PHARMACEUTICAL COMPOSITION CONTAINING THE SAME
    Publication number: 20090292024
    Abstract: It is an object of the present invention to provide a substituted propanamide derivative or a pharmacologically acceptable salt thereof that is useful as a prophylactic or therapeutic agent for a bone metabolic disease. The present invention relates to a pharmaceutical composition comprising a compound having General Formula (I) or a pharmacologically acceptable salt thereof as an active ingredient: [wherein, R1 represents a C6-C10 aryl group that may be substituted by a group selected from Substituent Group ?, for example; R2 represents a C6-C10 aryl group that may be substituted by a group selected from Substituent Group ?, for example; and X represents a hydroxyl group or a C1-C6 alkoxy group, for example].
    Type: Application
    Filed: July 18, 2006
    Publication date: November 26, 2009
    Applicant: DAIICHI SANKYO COMPANY, LIMITED
    Inventors: Kazumasa Aoki, Koji Suda, Kentoku Gotanda, Tomio Kimura
  • Method formation of a carbon-carbon bond
    Patent number: 6013826
    Abstract: A method for an addition reaction with the formation of an additional carbon--carbon bond comprising reacting an .alpha.-halogeno carboxylic acid derivative with an alkene in the presence of a catalyst shown by the general formula (1): ##STR1## wherein R.sub.1 is a lower alkyl group.
    Type: Grant
    Filed: April 22, 1998
    Date of Patent: January 11, 2000
    Assignee: Waco Pure Chemical Industries
    Inventors: Yasuyuki Kita, Atsunori Sano, Takahiro Yamaguchi, Masahisa Oka, Masato Matsugi, Kentoku Gotanda