Patents by Inventor Masaaki Ezawa

Masaaki Ezawa 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: 8337033
    Abstract: A washing counter, including a bowl portion having a concave configuration used for washing and the like, a counter portion supporting the bowl portion, and a light source portion disposed on a backside of the bowl portion to emit light toward the bowl portion. The light radiates from the surface of the bowl to the surroundings with at least one portion of the bowl portion being formed of a transparent member. The transparent member is obtained by dispersing a light diffusing member in a base member having a transparent raw material having light-transmitting transparency. The light diffusing member being a micro particle having a transparent raw material having a light refractive index different from a light refractive index of the base member.
    Type: Grant
    Filed: May 15, 2009
    Date of Patent: December 25, 2012
    Assignee: Toto Ltd
    Inventors: Takeshi Kaneda, Masanobu Wano, Hiroshi Nagakawa, Shigeru Asoh, Chihiro Sugiyama, Mitsunori Koga, Masaaki Ezawa
  • Publication number: 20110164418
    Abstract: A washing counter of the invention is characterized by: a bowl portion having a concave configuration used for washing and the like; a counter portion supporting the bowl portion; and a light source portion disposed on a backside of the bowl portion to emit light toward the bowl portion, where the washing counter radiates the light from the light source portion to surroundings from a surface of the bowl portion, at least one portion of the bowl portion is formed of a transparent member obtained by dispersing a light diffusing member in a base member having a transparent raw material having a light-transmitting transparency, the light diffusing member is a micro particle having a transparent raw material having a light refractive index different from a light refractive index of the base member, the light source portion is disposed to face an end face of a butt portion of the transparent member, and at least one portion of the transparent member is a light radiation portion where the light from the light source
    Type: Application
    Filed: May 15, 2009
    Publication date: July 7, 2011
    Applicant: TOTO LTD.
    Inventors: Takeshi Kaneda, Masanobu Wano, Hiroshi Nagakawa, Shigeru Asoh, Chihiro Sugiyama, Mitsunori Koga, Masaaki Ezawa