Patents by Inventor Tomonori Kamaka

Tomonori Kamaka 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).

  • Multi-layered window structure
    Patent number: 9440662
    Abstract: A multi-layered window structure of the present invention includes: a first window pane made of glass; a second window pane made of polycarbonate, being smaller in both height and width than the first window pane, and formed to a thickness of 5 mm to 30 mm; a hollow annular spacer disposed so as to extend along edges of the first window pane and the second window pane, and having holes in a side wall facing an air layer between the first window pane and the second window pane; and a primary sealer being an elastic body, with a thickness of 0.5 mm or more and a width of 6 mm or more, that extends along the edges of the first window pane and the second window pane, and is disposed between the first window pane and the spacer, and between the second window pane and the spacer.
    Type: Grant
    Filed: July 22, 2010
    Date of Patent: September 13, 2016
    Assignees: TOHO SHEET & FRAME CO., LTD, HOKKAIDO RAILWAY COMPANY
    Inventors: Tomonori Kamaka, Yoji Shimokawa, Susumu Inagaki, Hirohiko Kakinuma, Iwao Sato, Tomoaki Kito
  • MULTI-LAYERED WINDOW STRUCTURE
    Publication number: 20130236661
    Abstract: A multi-layered window structure of the present invention includes: a first window pane made of glass; a second window pane made of polycarbonate, being smaller in both height and width than the first window pane, and formed to a thickness of 5 mm to 30 mm; a hollow annular spacer disposed so as to extend along edges of the first window pane and the second window pane, and having holes in a side wall facing an air layer between the first window pane and the second window pane; and a primary sealer being an elastic body, with a thickness of 0.5 mm or more and a width of 6 mm or more, that extends along the edges of the first window pane and the second window pane, and is disposed between the first window pane and the spacer, and between the second window pane and the spacer.
    Type: Application
    Filed: July 22, 2010
    Publication date: September 12, 2013
    Applicants: Hokkaido Railway Company, TOHO SHEET & FRAME CO., LTD.
    Inventors: Tomonori Kamaka, Yoji Shimokawa, Susumu Inagaki, Hirohiko Kakinuma, Iwao Sato, Tomoaki Kito