Patents by Inventor Khotarou Endou

Khotarou Endou 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: 4725533
    Abstract: A silver halide photographic material forming a wash-off relief image comprising a support having provided thereon a layer containing a tanning developing agent such as catechol, hydroquinone or pyrogallol, emulsified and dispersed in a high boiling point solvent such as butyl phthalate, butyl benzoate or tricreryl phosphate, and a layer containing a silver halide direct reversal emulsion.
    Type: Grant
    Filed: February 25, 1986
    Date of Patent: February 16, 1988
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Yutaka Oka, Khotarou Endou