Patents by Inventor Kazuyoshi Miyaoka

Kazuyoshi Miyaoka 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: 4898807
    Abstract: A method for forming a direct positive color image by subjecting an inner latent image type light-sensitive silver halide color photographic material for formation of a direct positive color image, having at least one light-sensitive emulsion layer containing inner latent image type silver halide grains which have not been previously fogged on the grain surfaces to color developing processing after image exposure, which comprises developing an inner latent image type light-sensitive silver halide color photographic material for formation of a direct positive color image wherein a silver halide emulsion in at least one light-sensitive emulsion layer consists substantially of a silver chlorobromide emulsion with the use of a color developing solution containing an N-hydroxyalkyl-substituted-p-phenylenediamine derivative at 30.degree. C. or higher for not longer than 150 seconds.
    Type: Grant
    Filed: May 1, 1989
    Date of Patent: February 6, 1990
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventors: Kazuhiro Kobayashi, Shigeharu Koboshi, Kazuyoshi Miyaoka
  • Patent number: 4814260
    Abstract: A method of storing a liquid color developer and a liquid bleach-fixer in a container made of plastic material having an oxygen permeation coefficient of 0 to 50 m/(m.sup.2 atm day) at temperatures of 20.degree. C. and relative humidity of 60%. The developer contains an aromatic primary amine color developing agent; a hydroxylamine of the formula ##STR1## wherein R.sup.1 and R.sup.2 are hydrogen or alkyl having 1 to 3 carbon atoms, provided that at least one of R.sup.1 and R.sup.2 is an unsubstituted alkyl group having 1 to 3 carbon atoms and that R.sup.1 and R.sup.2 may be combined with each other to form a ring; and an alkaline ingredient for adjusting the pH of the developer to not less than 9.5. The bleach-fixer contains a ferric aminopolycarboxylate, 0 to 1.times.10.sup.-3 mols per liter of an aminopolycarboxylic acid based on the total bleach-fixer, a thiosulfate, and 1.times.10.sup.-3 to 2.times.10.sup.-1 mol per liter of said liquid bleach-fixer of a sulfite.
    Type: Grant
    Filed: June 16, 1987
    Date of Patent: March 21, 1989
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventors: Shigeharu Koboshi, Kazuyoshi Miyaoka, Masahiko Kon
  • Patent number: 4797351
    Abstract: A replenishing process for use in the development of an image-wise exposed silver halide color photographic light-sensitive material in which a color developer replenisher containing 0-3.0.times.10.sup.-3 mole of bromide is added to a color developer in a volume of between 0.5 and 9 ml per 100 cm.sup.2 of silver halide color photographic light-sensitive material.
    Type: Grant
    Filed: April 25, 1986
    Date of Patent: January 10, 1989
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventors: Masao Ishikawa, Shigeharu Koboshi, Kazuyoshi Miyaoka, Satoru Kuse
  • Patent number: 4791013
    Abstract: The present invention provides a container for containing a photographic processing solution which comprises a housing member and a partion member, thereby the container is divided into two chambers of which the first chamber is prepared for containing the photogaphic processing solution and the second chamber is prepared for collecting the waste solution. One part of the housing member forming the first chamber comprises a oxygen shelter for restraining oxygen permiation therethrough into the first chamber below 20 ml/m.sup.2 /24 hrs. The second chamber has a solution-absorbing material therein for facilitating the collection of the waste solution.
    Type: Grant
    Filed: December 8, 1986
    Date of Patent: December 13, 1988
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventors: Shigeharu Koboshi, Kazuhiro Kobayashi, Kazuyoshi Miyaoka, Syozo Aoki, Naoki Takabayashi
  • Patent number: 4780737
    Abstract: Disclosed is an automatic processing machine for a light-sensitive color photographic material, having a color developing tank as the formost tank of the processing tanks and a stabilizing tank as the last tank of the processing tanks, which comprises having a system for conveying a light-sensitive material which will not bring the stabilizing liquid components filled in the stabilizing tank into the color developing solution filled in the color developing tank.According to the automatic processing machine of the present invention, the technical task can be solved as a matter of course, and moreover no requirement for piping, no discharging of waste solutions of processing and its small size will result in exhibiting such effects that it can be installed on a floor of higher stage and also be moved, if necessary.
    Type: Grant
    Filed: November 6, 1987
    Date of Patent: October 25, 1988
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventors: Kazuhiro Kobayashi, Shigeharu Koboshi, Satoru Kuse, Kazuyoshi Miyaoka, Masayuki Kurematsu
  • Patent number: 4705377
    Abstract: Disclosed is an automatic processing machine for a light-sensitive color photographic material, having a color developing tank as the formost tank of the processing tanks and a stabilizing tank as the last tank of the processing tanks, which comprises having a system for conveying a light-sensitive material which will not bring the stabilizing liquid components filled in the stabilizing tank into the color developing solution filled in the color developing tank.According to the automatic processing machine of the present invention, the technical task can be solved as a matter of course, and moreover no requirement for piping, no discharging of waste solutions of processing and its small size will result in exhibiting such effects that it can be installed on a floor of higher stage and also be moved, if necessary.
    Type: Grant
    Filed: June 12, 1985
    Date of Patent: November 10, 1987
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventors: Kazuhiro Kobayashi, Shigeharu Koboshi, Satoru Kuse, Kazuyoshi Miyaoka, Masayuki Kurematsu
  • Patent number: 4705379
    Abstract: An automatic processing machine for photography which performs developing processing of a photographic light-sensitive material automatically while replenishing a processing solution tank with a replenisher solution from a replenisher tank, wherein said replenisher tank comprises a means for circulating and stirring having a jetting section for jetting a processing solution in said replenisher tank to the vicinity of the solution surface in said replenisher tank.The automatic processing machine according to the present invention is capable of mixing and dissolving rapidly even a processing solution containing a poorly soluble alcohol to prepare a processing solution, without any need of a special and separate dissolving tank.
    Type: Grant
    Filed: April 3, 1985
    Date of Patent: November 10, 1987
    Assignee: Konishiroku Photo Ind. Co., Ltd.
    Inventors: Kazuhiro Kobayashi, Shigeharu Koboshi, Satoru Kuse, Kazuyoshi Miyaoka, Masayuki Kurematsu, Makoto Uchida
  • Patent number: 4705378
    Abstract: An automatic processing machine for photography which performs developing processing of a photographic light-sensitive material automatically while replenishing a replenisher solution from a replenisher tank to a processing solution tank. A pipe having orifices therein is arranged approximately centrally in the replenisher tank. A vessel loading mouth capable of holding a processing agent kit vessel obliquely to the surface of the processing solution is provided at an upper opening portion of said replenisher tank.
    Type: Grant
    Filed: April 3, 1985
    Date of Patent: November 10, 1987
    Assignee: Konishiroku Photo Ind. Co., Ltd.
    Inventors: Kazuyoshi Miyaoka, Kazuhiro Kobayashi, Satoru Kuse, Masayuki Kurematsu, Shigeharu Koboshi
  • Patent number: 4444871
    Abstract: Method for forming a direct positive-color image in which an imagewise exposure is applied to a direct positive silver halide color photosensitive material comprising a support and at least one light-sensitive silver halide emulsion layer which contain internal latent image type silver halide grains whose surfaces are not fogged, said method including applying a fogging exposure and color development wherein said fogging exposure is applied in a wet condition with a solution containing at least one fluorescent whitening agent.
    Type: Grant
    Filed: September 30, 1982
    Date of Patent: April 24, 1984
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventors: Kazuyoshi Miyaoka, Shigeharu Koboshi