Patents by Inventor Haruhiko Fuwa

Haruhiko Fuwa 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).

  • Macrolide compound having anticancer effect
    Patent number: 8957228
    Abstract: The present invention relates to a macrolide compound expected to have a cell growth-inhibiting activity and a novel anticancer drug utilizing the compound. Specifically, the invention relates to a compound represented by Formula (I) or (II) or a pharmaceutically acceptable salt thereof and relates to a cell growth inhibitor and an anticancer drug each containing the compound or the salt as an active ingredient.
    Type: Grant
    Filed: October 28, 2011
    Date of Patent: February 17, 2015
    Assignee: Tohoku University
    Inventors: Haruhiko Fuwa, Makoto Sasaki, Hiroshi Kubo, Takaya Suzuki
  • MACROLIDE COMPOUND HAVING ANTICANCER EFFECT
    Publication number: 20130281714
    Abstract: The present invention relates to a macrolide compound expected to have a cell growth-inhibiting activity and a novel anticancer drug utilizing the compound. Specifically, the invention relates to a compound represented by Formula (I) or (II) or a pharmaceutically acceptable salt thereof and relates to a cell growth inhibitor and an anticancer drug each containing the compound or the salt as an active ingredient.
    Type: Application
    Filed: October 28, 2011
    Publication date: October 24, 2013
    Applicant: TOHOKU UNIVERSITY
    Inventors: Haruhiko Fuwa, Makoto Sasaki, Hiroshi Kubo, Takaya Suzuki
  • Process for preparing cyclic polyethers
    Patent number: 6667408
    Abstract: A method for the producing cyclic polyether structures at room temperature, in high yield and in a convergent manner, that may be applied to the synthesis of gambierol and ciguatoxin, without using an excessive amount of phosphate compound, alkylborane and cyclic ketene acetal phosphate are subjected to cross-coupling in the presence of a basic aqueous solution using palladium [1,1′-bis(diphenylphosphino)ferrocene] chloride as a catalyst.
    Type: Grant
    Filed: April 30, 2002
    Date of Patent: December 23, 2003
    Assignee: Japan Science and Technology Corporation
    Inventors: Makoto Sasaki, Kazuo Tachibana, Haruhiko Fuwa
  • Process for preparing cyclic polyethers
    Publication number: 20030100773
    Abstract: As a method for the producing cyclic polyether structures at room temperature, in high yield and in a convergent manner, that maybe applied to the synthesis of gambierol and ciguatoxin, without using an excessive amount of phosphate compound, alkylborane and cyclic ketene acetal phosphate are subjected to cross-coupling in the presence of a basic aqueous solution using palladium [1,1′-bis(diphenylphosphino)ferrocene]chloride as a catalyst.
    Type: Application
    Filed: April 30, 2002
    Publication date: May 29, 2003
    Inventors: Makoto Sasaki, Kazuo Tachibana, Haruhiko Fuwa