Patents by Inventor Tetunori Matusita

Tetunori Matusita 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 photographic material and super-high contrast negative image formation process using the same
    Patent number: 4737442
    Abstract: A silver halide photographic material for use in the field of graphic arts and a process for forming a high-contrast negative image using the same, wherein the silver halide emulsion layer or another layer of the silver halide photographic material provided on the support contains at least one compound represented by the formula (I) and at least one blocked development restrainer compound represented by the formula (II): ##STR1##
    Type: Grant
    Filed: April 18, 1986
    Date of Patent: April 12, 1988
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Morio Yagihara, Tetunori Matusita, Nobuaki Inoue