Patents by Inventor Katsuo Oda

Katsuo Oda 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).

  • Publication number: 20190002420
    Abstract: The present invention provides a process for preparation of the compound of formula (VI), wherein each symbol is as defined in the specification, without using any intermediate compound showing mutagenicity. The process comprises salt formation of the intermediate compound of formula (I) with acid to enable optical resolution to isolate the intermediate compound of formula (II) in a stereo-selective manner.
    Type: Application
    Filed: December 22, 2016
    Publication date: January 3, 2019
    Applicant: Shionogi & Co., Ltd.
    Inventors: Naohiro ONODERA, Kouichi NOGUCHI, Shigeru ANDO, Daiki NAGAMATSU, Kenichi ISHIBASHI, Shunsuke OCHI, Aiko HASEGAWA, Katsuo ODA
  • Patent number: 7223882
    Abstract: A process for a preparation of Compound (V), a pharmaceutically acceptable salt or a solvate thereof, said process comprising the steps represented by the following formula: wherein R1 and R2 are each independently C1–C8 alkyl.
    Type: Grant
    Filed: March 18, 2003
    Date of Patent: May 29, 2007
    Assignee: Shionogi & Co., Ltd.
    Inventors: Haruo Koike, Katsuo Oda, Yutaka Nishino, Makoto Kakinuma
  • Publication number: 20050143596
    Abstract: A process for a preparation of Compound (V), a pharmaceutically acceptable salt or a solvate thereof, said process comprising the steps represented by the following formula: wherein R1 and R2 are each independently C1-C8 alkyl
    Type: Application
    Filed: March 18, 2003
    Publication date: June 30, 2005
    Applicant: Shionogi & Co. Ltd.
    Inventors: Haruo Koike, Katsuo Oda, Yutaka Nishino, Makoto Kakinuma
  • Patent number: 6111098
    Abstract: The present invention provides a crystal of (1R,5S,6S)-6-[(1R)-1-hydroxyethyl]-2-[(3S,5S)-5-sulfamoylaminomethyl-1-pyr rolidin-3-yl]thio-1-methyl-1-carba-2-penem-3-carboxylic acid represented by the following formula, a lyophilized preparation comprising the crystal, and a process for producing the same. The production process comprises the steps of freezing an aqueous solution containing the above-mentioned compound by cooling to -20.degree. C. or lower; warming the frozen solution to 0 to -10.degree. C.; and cooling and warming the frozen solution at least twice in a temperature range of 0 to -10.degree. C.
    Type: Grant
    Filed: October 9, 1996
    Date of Patent: August 29, 2000
    Assignee: Shionogi & Co., Ltd.
    Inventors: Masayoshi Inoue, Kazuichi Fujikane, Kenji Sugiyama, Hideaki Tai, Fumihiko Matsubara, Katsuo Oda, Takashi Oya, Yoshinori Hamada