Patents by Inventor Tomoo Eto

Tomoo Eto 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).

  • Method of preserving early mammalian embryos by vitrification
    Patent number: 8293462
    Abstract: This invention provides a solution for preserving mammalian early embryos or ES cells by vitrification, which comprises, as a base material, a phosphate buffer that exclusively contains 10% to 15% (v/v) propylene glycol as polyhydric alcohol or a phosphate buffer that exclusively contains 10% to 15% (v/v) propylene glycol and 25% to 35% (v/v) ethylene glycol as polyhydric alcohols and further contains 15% to 25% (v/v) Percoll® and 0.2 M to 0.5 M sucrose. This invention also provides a method for preserving mammalian early embryos or ES cells by vitrification using such solution.
    Type: Grant
    Filed: August 22, 2008
    Date of Patent: October 23, 2012
    Assignee: Central Institute for Experimental Animals
    Inventors: Tomoo Eto, Erika Sasaki
  • Method of Preserving Early Embryos of Experimental Animals by Vitrification
    Publication number: 20090123905
    Abstract: This invention provides a solution for preserving mammalian early embryos or ES cells by vitrification, which comprises, as a base material, a phosphate buffer that exclusively contains 10% to 15% (v/v) propylene glycol as polyhydric alcohol or a phosphate buffer that exclusively contains 10% to 15% (v/v) propylene glycol and 25% to 35% (v/v) ethylene glycol as polyhydric alcohols and further contains 15% to 25% (v/v) Percoll® and 0.2 M to 0.5 M sucrose. This invention also provides a method for preserving mammalian early embryos or ES cells by vitrification using such solution.
    Type: Application
    Filed: August 22, 2008
    Publication date: May 14, 2009
    Inventors: Tomoo Eto, Erika Sasaki
  • Method of preserving early embryos of experimental animals by vitrification
    Publication number: 20070087322
    Abstract: This invention provides a solution for preserving mammalian early embryos or ES cells by vitrification, which comprises, as a base material, a phosphate buffer that exclusively contains 10% to 15% (v/v) propylene glycol as polyhydric alcohol or a phosphate buffer that exclusively contains 10% to 15% (v/v) propylene glycol and 25% to 35% (v/v) ethylene glycol as polyhydric alcohols and further contains 15% to 25% (v/v) Percoll® and 0.2 M to 0.5 M sucrose. This invention also provides a method for preserving mammalian early embryos or ES cells by vitrification using such solution.
    Type: Application
    Filed: December 29, 2005
    Publication date: April 19, 2007
    Inventors: Tomoo Eto, Erika Sasaki