Patents by Inventor Sadao Tagawa

Sadao Tagawa 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).

  • Patent number: 7458994
    Abstract: A composition and kit for hair dyeing comprising a first liquid containing an alkaline ingredient and an oxidation dye and a second liquid containing an oxidant wherein the improvement being the addition of a chlorophyll derivative, such as sodium iron chlorophyllin, into the first liquid.
    Type: Grant
    Filed: June 2, 2006
    Date of Patent: December 2, 2008
    Inventor: Sadao Tagawa
  • Publication number: 20070269399
    Abstract: A hydrogen peroxide containing composition, which sufficiently decreases the stimulation to the scalp, skin, and the like when used as a hair dye. The hydrogen peroxide containing composition includes allantoin, guaiazulene and aloe extract as the second agent for mixing with a first agent containing an oxidation dye. These ingredients in the hydrogen peroxide containing composition act synergistically and demonstrate an anti-inflammatory effect, an anti-allergic action, and a moisture retention effect.
    Type: Application
    Filed: March 6, 2007
    Publication date: November 22, 2007
    Inventor: Sadao Tagawa
  • Publication number: 20070226918
    Abstract: A composition and kit for hair dyeing comprising a first liquid containing an alkaline ingredient and an oxidation dye and a second liquid containing an oxidant wherein the improvement being the addition of a chlorophyll derivative, such as sodium iron chlorophyllin, into the first liquid.
    Type: Application
    Filed: June 2, 2006
    Publication date: October 4, 2007
    Inventor: Sadao Tagawa