Patents by Inventor Jun ichi Mizutani

Jun ichi Mizutani 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).

  • Light emitting diode display unit
    Patent number: 6236382
    Abstract: An LED display unit disclosed. A plurality of pixels are provided on an insulation substrate. Each pixel comprises vertically arranged green, red, and blue LEDs, wherein the green LED is above the red LED, and the blue LED is below the red LED. Each pixel is positioned in a corresponding one of cavities defined in a predetermined pattern on the insulation substrate, and each cavity provides a light refletion surface on the inner wall.
    Type: Grant
    Filed: May 18, 1998
    Date of Patent: May 22, 2001
    Assignees: Koha Co., Ltd., Toyoda Gose Co., Ltd.
    Inventors: Shingo Kawakami, Jun ichi Mizutani, Hideki Mori
  • Light emitting diode display unit
    Publication number: 20010001241
    Abstract: An LED display unit disclosed. A plurality of pixels are provided on an insulation substrate. Each pixel comprises vertically arranged green, red, and blue LEDs, wherein the green LED is above the red LED, and the blue LED is below the red LED. Each pixel is positioned in a corresponding one of cavities defined in a predetermined pattern on the insulation substrate, and each cavity provides a light repletion surface on the inner wall.
    Type: Application
    Filed: January 4, 2001
    Publication date: May 17, 2001
    Inventors: Shingo Kawakami, Jun ichi Mizutani, Hideki Mori