Patents by Inventor Matsuhiro Date

Matsuhiro Date 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).

  • Pyrazole-based cyanine dye
    Patent number: 8921124
    Abstract: PROBLEM Provided is a novel cyanine dye derivative with a pyrazole skeleton and an indole skeleton, having high sensitivity performance in a shorter wavelength region as compared with a conventional optical system, and showing high water solubility.
    Type: Grant
    Filed: March 30, 2007
    Date of Patent: December 30, 2014
    Assignee: Wako Pure Chemical Industries, Ltd.
    Inventors: Matsuhiro Date, Satoshi Hasaba, Naoyuki Yamamoto
  • Pyrazole-based cyanine dye containing quaternary ammonium cation
    Patent number: 8546586
    Abstract: A cyanine dye derivative having high fluorescence intensity in a short wavelength region, and also a controllable migration velocity by further introducing a quaternary ammonium cation.
    Type: Grant
    Filed: April 27, 2010
    Date of Patent: October 1, 2013
    Assignee: Wako Pure Chemical Industries, Ltd.
    Inventors: Naoyuki Yamamoto, Tatsuo Kurosawa, Satoshi Hasaba, Matsuhiro Date
  • PYRAZOLE-BASED CYANINE DYE CONTAINING QUATERNARY AMMONIUM CATION
    Publication number: 20120046474
    Abstract: Problem Provided is a novel cyanine dye derivative having high fluorescence intensity in a short wavelength region, a structure where a pyrazole skeleton and an indole skeleton are bound to a polymethine chain, and also a controllable migration velocity by further introducing a quaternary ammonium cation into a molecule having said structure.
    Type: Application
    Filed: April 27, 2010
    Publication date: February 23, 2012
    Applicant: WAKO PURE CHEMICAL INDUSTRIES, LTD.
    Inventors: Naoyuki Yamamoto, Tatsuo Kurosawa, Satoshi Hasaba, Matsuhiro Date