Patents by Inventor Shunichi Miyakoshi

Shunichi Miyakoshi 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).

  • Strain of Streptomyces griseus
    Patent number: 6844173
    Abstract: A microorganism strain which is Streptomyces griseus FERM BP-5420 and processes for preparing compounds by cultivating such microorganism strain.
    Type: Grant
    Filed: March 12, 2002
    Date of Patent: January 18, 2005
    Assignee: Sankyo Company, Limited
    Inventors: Masatoshi Inukai, Toshio Takatsu, Masatoshi Arai, Shunichi Miyakoshi, Masaaki Kizuka, Yasumasa Ogawa
  • Strain of streptomyces
    Publication number: 20030069204
    Abstract: The present invention relates to ester, ether and N-alkylcarbamoyl derivatives of compound (Ia) and pharmaceutically acceptable salts thereof. These compounds exhibit excellent antibacterial activity and are useful for the treatment or prevention of bacterial infections.
    Type: Application
    Filed: March 12, 2002
    Publication date: April 10, 2003
    Applicant: SANKYO COMPANY LIMITED
    Inventors: Masatoshi Inukai, Masakatsu Kaneko, Toshio Takatsu, Hitoshi Hotoda, Masatoshi Arai, Shunichi Miyakoshi, Masaaki Kizuka, Yasumasa Ogawa
  • Antimicrobial compounds
    Patent number: 6472384
    Abstract: The present invention relates to ester, ether and N-alkylcarbamoyl derivatives of compound (Ia) and pharmaceutically acceptable salts thereof. These compounds exhibit excellent antibacterial activity and are useful for the treatment or prevention of bacterial infections. (wherein R1 is a hydrogen atom or a methyl group; R2a is a hydrogen atom, a protecting group for a hydroxy group, or a methyl group; R3 is a hydrogen atom or a protecting group for a hydroxy group; R4a is a hydrogen atom, a hydroxy group or a protected hydroxy group; R5 is a hydrogen atom or a protecting group for a hydroxy group; and X is a methylene group or a sulfur atom). The invention also includes compounds which are related to the aforeidentified compounds.
    Type: Grant
    Filed: January 9, 2001
    Date of Patent: October 29, 2002
    Assignee: Sankyo Company, Limited
    Inventors: Masatoshi Inukai, Masakatsu Kaneko, Toshio Takatsu, Hitoshi Hotoda, Masatoshi Arai, Shunichi Miyakoshi, Masaaki Kizuka, Yasumasa Ogawa
  • Cytochrome P-450 enzymes
    Patent number: 5179013
    Abstract: Novel cytochrome P-450.sub.sca-1, P-450.sub.sca-2 and P-450.sub.sca-3 enzymes are produced by cultivation of Streptomyces carbophilus SANK 62585, and are suitable for use in hydroxylation processes.
    Type: Grant
    Filed: May 30, 1990
    Date of Patent: January 12, 1993
    Assignee: Sankyo Company, Limited
    Inventors: Tatsuji Matsuoka, Shunichi Miyakoshi