Patents Assigned to KT Optica Inc.
  • Patent number: 7018036
    Abstract: In order to provide a length-adjustable temple for eyeglasses which is easy-to-wear by engaging a concavity of an ear without giving pain to a wearer irrespective of the shape of the ear, a distal member is coupled to a proximal member via a length adjustable joint portion, the distal member is formed by a bent or curved arm portion of elastic material which is superior in flexible deformation, and the arm portion is formed with a pad to be fitted on the outer periphery or in the concavity inside the outer periphery of the ear at the distal portion thereof.
    Type: Grant
    Filed: July 13, 2004
    Date of Patent: March 28, 2006
    Assignee: KT Optica Inc.
    Inventor: Toshiyuki Yamamoto
  • Patent number: 6113235
    Abstract: Disclosed is an eyeglasses frame comprising a front having two rims connected each other with a bridge and two temples foldably fixed to opposite sides of the front. Each of the temples is connected to one or the other side of the front with at least one coiled spring, which can be changed in diameter or twisted so that the associated temple may be opened wider than the normal opening position, and may be changed vertically in posture. A temple-less auxiliary eyeglasses can be used in combination with the eyeglasses. The temple-less auxiliary eyeglasses have L-shaped catch pieces formed on its opposite sides, which L-shaped catch pieces can be fitted in the coiled springs.
    Type: Grant
    Filed: July 2, 1999
    Date of Patent: September 5, 2000
    Assignee: KT Optica Inc.
    Inventor: Toshiyuki Yamamoto