Patents by Inventor Keiichiro Haji

Keiichiro Haji 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).

  • Porous conductor having conductive nanostructure and electricity storage device using same
    Patent number: 11948740
    Abstract: To provide an electrode for an electricity storage device, which electrode employs a porous conductor having conductive nanostructures formed on its surface and makes it possible to provide a less expensive electricity storage device having a high discharge capacity and high charge/discharge cycle resistance. A porous conductor which is used as an electrode for an electricity storage device has a plurality of conductive nanostructures on a surface of the porous conductor.
    Type: Grant
    Filed: September 19, 2018
    Date of Patent: April 2, 2024
    Assignees: National University Corporation Chiba University, TOMOEGAWA CORPORATION
    Inventors: Katsuyoshi Hoshino, Yousuke Sugawara, Rio Yamada, Aoi Magori, Nobuyuki Aoki, Keiichiro Haji, Daisuke Muramatsu
  • POROUS CONDUCTOR HAVING CONDUCTIVE NANOSTRUCTURE AND ELECTRICITY STORAGE DEVICE USING SAME
    Publication number: 20200273631
    Abstract: To provide an electrode for an electricity storage device, which electrode employs a porous conductor having conductive nanostructures formed on its surface and makes it possible to provide a less expensive electricity storage device having a high discharge capacity and high charge/discharge cycle resistance. A porous conductor which is used as an electrode for an electricity storage device has a plurality of conductive nanostructures on a surface of the porous conductor.
    Type: Application
    Filed: September 19, 2018
    Publication date: August 27, 2020
    Inventors: Katsuyoshi HOSHINO, Yousuke SUGAWARA, Rio YAMADA, Aoi MAGORI, Nobuyuki AOKI, Keiichiro HAJI, Daisuke MURAMATSU
  • Attachment film for electronic display device
    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
  • ATTACHMENT FILM FOR ELECTRONIC DISPLAY DEVICE
    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