Patents by Inventor Takutoshi Fujiwara

Takutoshi Fujiwara 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).

  • Information processing system
    Patent number: 5218673
    Abstract: An information processing system combines a microfilm file and an electronic file, such as an optomagnetic disk, to achieve a versatile information storage/retrieval function. The microfilm file provides a legally acceptable archival information storage, while the electronic file is used for facilitating retrieval.
    Type: Grant
    Filed: July 26, 1991
    Date of Patent: June 8, 1993
    Assignee: Canon Kabushiki Kaisha
    Inventor: Takutoshi Fujiwara
  • File system
    Patent number: 4996664
    Abstract: A file system is capable of retrieving image information stored in a microfilm file and image information stored in a disk through common input information.
    Type: Grant
    Filed: September 6, 1988
    Date of Patent: February 26, 1991
    Assignee: Canon Kabushiki Kaisha
    Inventors: Takutoshi Fujiwara, Motofumi Konishi
  • Image recording member
    Patent number: 4067780
    Abstract: An image recording member comprises a recording layer composed of a substrate, a thin metal layer and another layer composed of a substance mainly exhibiting the ionic conduction and a binding material.
    Type: Grant
    Filed: July 23, 1975
    Date of Patent: January 10, 1978
    Assignee: Canon Kabushiki Kaisha
    Inventors: Takutoshi Fujiwara, Katsuhiko Nishide
  • Image recording member
    Patent number: 4012292
    Abstract: An image recording member comprises a support and a recording layer overlying the support and mainly composed of a binder, a component capable of forming an image when electric current is applied thereto, and a conductive component composed of a mixture of an electronic conductive material and a compound containing zeolitic water, and an image can be electrically recorded by using said image recording member.
    Type: Grant
    Filed: September 23, 1975
    Date of Patent: March 15, 1977
    Assignee: Canon Kabushiki Kaisha
    Inventors: Takutoshi Fujiwara, Yasushi Takatori, Masahiro Haruta, Akemi Shimosawa, Katsuhiko Nishide