Patents by Inventor Yoshiyuki Fueda

Yoshiyuki Fueda 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).

  • Water detection composition and water detection indicator
    Patent number: 7772215
    Abstract: A novel water detection composition for use in place of blue gel and a water detection indicator. The water detection composition comprises, as active components, a porphyrin complex, and at least one inorganic acid salt of a metal selected from a group consisting of alkali metals, alkaline earth metals, Al and Fe. The porphyrin complex is: wherein M is P, X is selected from a group consisting of a halogen and OH, and R2 is phenyl, and the water detection composition is supported by a silica gel.
    Type: Grant
    Filed: May 18, 2006
    Date of Patent: August 10, 2010
    Assignee: Fuji Silysia Chemical Ltd.
    Inventor: Yoshiyuki Fueda
  • Water detection composition and water detection indicator
    Publication number: 20060270047
    Abstract: A novel water detection composition for use in place of blue gel and a water detection indicator constituted by using the water detection composition are provided. The water detection composition of the present invention includes, as active components, a porphyrin complex and at least one inorganic acid salt of a metal selected from a group consisting of alkali metals, alkaline earth metals, Al and Fe.
    Type: Application
    Filed: May 18, 2006
    Publication date: November 30, 2006
    Inventor: Yoshiyuki Fueda