Patents by Inventor Masami Yanagisawa

Masami Yanagisawa 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: 6760086
    Abstract: An attachment film for an electronic display, which film is used for adjusting the optical transmissivity in a variety of electronic displays and adjusting color shades. It permits the simple and easy adjustment of the reflection of a fluorescent lamp and sunlight in and from the screen thereof and can prevent the formation of air bubbles in an adhesive layer thereof. The attachment film includes a transparent substrate and an adhesive layer which contains carbon black dispersed therein and formed on one surface of a transparent substrate.
    Type: Grant
    Filed: March 22, 1999
    Date of Patent: July 6, 2004
    Assignee: Tomoegawa Paper Co., Ltd.
    Inventors: Takuma Hattori, Masami Yanagisawa, Keiichiro Haji
  • Publication number: 20030089516
    Abstract: An attachment film for an electronic display, which film is used for adjusting the optical transmissivity depending upon a variety of electronic displays and adjusting color shades, permits the simple and easy adjustment of the reflection of a fluorescent lamp and sun light in and from the screen thereof and can prevent the formation of air bubbles in an adhesive layer thereof.
    Type: Application
    Filed: March 22, 1999
    Publication date: May 15, 2003
    Inventors: TAKUMA HATTORI, MASAMI YANAGISAWA, KEIICHIRO HAJI
  • Patent number: 6066431
    Abstract: There are provided a photosensitive resin film which can eliminate the step of development and the like, that is, can simplify the process, and in addition can form an even fluorescent substance layer in intimate contact with the surface of cells, and a back plate for PDP using the film. The photosensitive resin film comprises a substrate film and a pressure-sensitive adhesive, photosensitive resin layer provided on one side of the film, wherein the photosensitive resin layer comprises a photosensitive resin that contains a fluorescent substance and, upon exposure, causes the tackiness of exposed areas to be lowered.
    Type: Grant
    Filed: August 4, 1998
    Date of Patent: May 23, 2000
    Assignees: Dai Nippon Printing Co., Ltd., Tomoegawa Paper Co., Ltd.
    Inventors: Masaaki Asano, Takuma Hattori, Masami Yanagisawa
  • Patent number: 4991074
    Abstract: A lighting lamp having a display sheet laminated on the surface of a bulb thereof, said display sheet comprising a support having laminated thereon a light-susceptible layer including an active layer containing at least one of a dye and a pigment capable of coloring, fading, or discoloring by the action of an active light and an adhesive layer formed on the surface of the light-susceptible layer such that the portion corresponding to at least the display portion thereof is exposed, and being laminated on the surface of the bulb by the adhesive layer.
    Type: Grant
    Filed: September 8, 1989
    Date of Patent: February 5, 1991
    Assignees: Tomoegawa Paper Co., Ltd., Hitachi Ltd.
    Inventors: Yasuo Kobayashi, Yasuo Hirasawa, Churyo Kodama, Katsumi Miyazaki, Takao Higashi, Masami Yanagisawa, Akinori Sei
  • Patent number: 4954937
    Abstract: A lighting lamp is disclosed, comprising a lamp having laminated on the surface of a bulb thereof a display sheet, said display sheet comprising a support having thereon an active layer containing a pigment which is faded by the action of an active light and an active light-adjusting layer.
    Type: Grant
    Filed: September 8, 1989
    Date of Patent: September 4, 1990
    Assignees: Tomoegawa Paper Co., Ltd., Hitachi Ltd.
    Inventors: Yasuo Kobayashi, Naoki Hagiwara, Taisuke Hirota, Churyo Kodama, Yasuo Hirasawa, Katsumi Miyazaki, Fumio Kawamura, Takao Higashi, Masami Yanagisawa, Akinori Sei