Patents by Inventor Tokio Kawashima

Tokio Kawashima 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: 6471371
    Abstract: A display lamp in which the front face of a non-display portion (2a) is surrounded by a globe (5, 5A) serving as a display portion and in which a light source (4) is disposed inside of the space defined by the globe (5, 5A) and the non-display portion (2a). The light source (4) comprises at least a pair of left and right LEDs (42, 43) disposed at both sides which sandwich the transverse center of the front face of the non-display portion (2a). The LEDs (42, 43) respectively irradiate lights to those zones of the globe (5, 5A) which are located in the opposite sides with respect to the LEDs (42, 43) on the basis of the transverse center of the globe (5, 5A). Preferably, the pair of LEDs (42, 43) comprises a pair of left- and right-side end LEDs (42, 43) disposed at the left- and right-side ends or their vicinities of the front face of the non-display portion (2a).
    Type: Grant
    Filed: May 26, 2000
    Date of Patent: October 29, 2002
    Assignee: Patlite Corporation
    Inventors: Tokio Kawashima, Akito Ikeda
  • Patent number: 6033087
    Abstract: An illuminating device including a cylindrical main body that is provided with a circularly arranged plurality of LEDs of different colors so as to be used in, for instance, an optical inspection apparatus. The illuminating device further includes a light diffusing element, light-condensing lens and a polarizing element or a prism having polarizing surfaces, which are all installed inside the cylindrical main body. The LED lights are corrected in intensity to be even by the light-diffusing element, pass through the light-condensing lens and further pass through the prism so as to be directed toward a single point and form a superimposed light illuminating an object, thus a CCD camera that is provided in the center of the cylindrical main body can take an image of the object.
    Type: Grant
    Filed: December 23, 1997
    Date of Patent: March 7, 2000
    Assignee: Patlite Corporation
    Inventors: Hitora Shozo, Tokio Kawashima
  • Patent number: 4954936
    Abstract: An indicating lamp having an aseismatic structure which includes an internal chassis for fixing an electric lamp and an electric control board, an indicating lamp cover covering the internal chassis, and a fixture for attaching an indicating lamp to an external structure. A boss having a flange portion is fitted to the fixture, and an insulating member is abuts one or both sides of the flange portion. In addition, a fixing plate constituting a part of the above internal chassis, the insulating member, the flange portion and the indicating lamp cover are clamped with clamping members fed through through-holes provided therethrough, with the above insulating member being held between the fixing plate and the indicating lamp cover. Cylindrical spacers each having a predetermined length and an internal diameter, and into which and from which the above bolt can be freely inserted and taken out, are fitted to the through-holes.
    Type: Grant
    Filed: December 13, 1989
    Date of Patent: September 4, 1990
    Assignee: Sasaki Electric Corporation
    Inventors: Masaaki Kawabata, Tokio Kawashima
  • Patent number: D322584
    Type: Grant
    Filed: September 21, 1989
    Date of Patent: December 24, 1991
    Assignee: Sasaki Electric Corporation
    Inventors: Tokio Kawashima, Tetsuya Miyatake