Patents by Inventor Yosuke Sadahiro

Yosuke Sadahiro 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).

  • Silver halide photosensitive element sensitized with an inorganic bismuth compound and the use thereof
    Patent number: 4069051
    Abstract: A light-sensitive silver halide photographic element containing an inorganic bismuth compound in the emulsion layer and/or constitutive layer and a method for developing said element after imagewise exposure is described.
    Type: Grant
    Filed: April 26, 1976
    Date of Patent: January 17, 1978
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventors: Akira Horikoshi, Kenro Sakamoto, Toshihiko Koike, Yosuke Sadahiro, Toyohiko Kato