Patents by Inventor Takafusa Kitazume

Takafusa Kitazume 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: 7984996
    Abstract: The dustproof panel includes: (a) a dustproof plate, which has a size covering a screen and extending to a frame member, and whose portion opposing the screen has transparent properties; (b) a frame-shaped dustproof filter formed by attaching a foam body having shrinking properties and containing pores finer than dust particles to a rear surface of the dustproof plate, the attachment being made without gaps therebetween in a frame shape along the edge of the dustproof plate, and the foam body abutting against the frame member; and (c) an attachment/detachment body having a first constituent element attached to the rear surface of the dustproof plate along an inner circumference of the frame-shaped dustproof filter and a second constituent element attached to a front surface of the frame member so as to oppose the first constituent element, the first constituent element and the second constituent element being mutually attachable and detachable.
    Type: Grant
    Filed: April 14, 2009
    Date of Patent: July 26, 2011
    Assignee: Panasonic Corporation
    Inventor: Takafusa Kitazume
  • Publication number: 20090262423
    Abstract: The dustproof panel includes: (a) a dustproof plate, which has a size covering a screen and extending to a frame member, and whose portion opposing the screen has transparent properties; (b) a frame-shaped dustproof filter formed by attaching a foam body having shrinking properties and containing pores finer than dust particles to a rear surface of the dustproof plate, the attachment being made without gaps therebetween in a frame shape along the edge of the dustproof plate, and the foam body abutting against the frame member; and (c) an attachment/detachment body having a first constituent element attached to the rear surface of the dustproof plate along an inner circumference of the frame-shaped dustproof filter and a second constituent element attached to a front surface of the frame member so as to oppose the first constituent element, the first constituent element and the second constituent element being mutually attachable and detachable.
    Type: Application
    Filed: April 14, 2009
    Publication date: October 22, 2009
    Applicant: Panasonic Corporation
    Inventor: Takafusa Kitazume