Patents by Inventor Mikizo Kuwabara

Mikizo Kuwabara 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: 5283161
    Abstract: A method for rapidly processing a silver halide photographic material comprising a support having thereon at least one light-sensitive silver halide emulsion layer and a silver halide photographic material therefor are disclosed. The total amount of binder on one side of the support is not more than 3.0 g/m.sup.2, the photographic materials contains in at least one layer at least one compound selected from the group consisting of compounds represented by formulae (I) and (II): ##STR1## wherein X.sub.1, X.sub.2, A, R.sub.11, R.sub.12, R.sub.13, R.sub.14, R.sub.15, and R.sub.16 are defined in the specification. Processing may be effected in a total processing time of from 15 to 45 seconds. Pressure sensitivity can be reduced without reducing photographic speed.
    Type: Grant
    Filed: September 11, 1991
    Date of Patent: February 1, 1994
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Ichizo Toya, Mikizo Kuwabara, Hiroshi Kawamoto