Patents by Inventor Motoaki Muraoka

Motoaki Muraoka 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: 7331683
    Abstract: A decorative article capable of being used in combination with an article having a light source and of remarkably improving the decorative effect together with the light source. The decorative article is attached to an article having a light source, and comprises, at least, an appearance-providing layer defining an appearance of the decorative article, and a light-storage layer which is disposed under the appearance-providing layer and is able to store the light from the light source and generate afterglow.
    Type: Grant
    Filed: February 12, 2007
    Date of Patent: February 19, 2008
    Assignee: 3M Innovative Properties Company
    Inventors: Ken Egashira, Motoaki Muraoka, Hirofumi Nitta
  • Publication number: 20070127248
    Abstract: A decorative article capable of being used in combination with an article having a light source and of remarkably improving the decorative effect together with the light source. The decorative article is attached to an article having a light source, and comprises, at least, an appearance-providing layer defining an appearance of the decorative article, and a light-storage layer which is disposed under the appearance-providing layer and is able to store the light from the light source and generate afterglow.
    Type: Application
    Filed: February 12, 2007
    Publication date: June 7, 2007
    Inventors: Ken Egashira, Motoaki Muraoka, Hirofumi Nitta
  • Patent number: 7175293
    Abstract: A decorative article (10) capable of being used in combination with an article having a light source (21) and of remarkably improving the decorative effect together with the light source. The decorative article (10) is attached to an article having a light source (21), and comprises, at least, an appearance-providing layer (15) defining an appearance of the decorative article, and a light-storage layer (16) which is disposed under the appearance-providing layer (15) and is able to store the light from the light source (21) and generate afterglow.
    Type: Grant
    Filed: November 1, 2002
    Date of Patent: February 13, 2007
    Assignee: 3M Innovative Properties Company
    Inventors: Ken Egashira, Motoaki Muraoka, Hirofumi Nitta
  • Publication number: 20050068783
    Abstract: A decorative article (10) capable of being used in combination with an article having a light source (21) and of remarkably improving the decorative effect together with the light source. The decorative article (10) is attached to an article having a light source (21), and comprises, at least, an appearance-providing layer (15) defining an appearance of the decorative article, and a light-storage layer (16) which is disposed under the appearance-providing layer (15) and is able to store the light from the light source (21) and generate afterglow.
    Type: Application
    Filed: November 1, 2002
    Publication date: March 31, 2005
    Inventors: Ken Egashira, Motoaki Muraoka, Hirofumi Nitta
  • Publication number: 20030211337
    Abstract: To provide a decorative film for glass-paned window, which can simultaneously satisfies privacy protection effect, excellent visibility including light screening property, and excellent design and decorative effect. The decorative film applied to a glass-paned window through an adhesive layer is provided with at least one color developing resin layer containing a multilayered light interference material, which is capable of color developing as a function of light interference and has a high transparency, dispersed therein.
    Type: Application
    Filed: December 27, 2002
    Publication date: November 13, 2003
    Inventor: Motoaki Muraoka