Patents Assigned to Konishiroku Photo Industry Co., Ltd.
  • Silver halide color photo-sensitive material
    Patent number: 4607002
    Abstract: A silver halide color photographic light-sensitive material comprising a reflective support bearing thereon a green light-sensitive silver halide emulsion layer containing a t-alkyl 1H-pyrazolo[3,2-C]-5-triazole magenta forming coupler represented by Formula (I) defined in the specification: a blue light-sensitive silver halide emulsion layer containing a t-butyl acylacetamide yellow-forming coupler represented by Formula (II) defined in the specification and a red light-sensitive silver halide emulsion layer containing a phenolic cyan-forming coupler represented by Formula (III) or (IV) defined in the specification.
    Type: Grant
    Filed: November 14, 1985
    Date of Patent: August 19, 1986
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventors: Noritaka Nakayama, Satoshi Kawakatsu, Katsunori Katoh, Kaoru Shinozaki
  • Controlling method for a sorter
    Patent number: 4603850
    Abstract: For a sorter with movable bins capable of sorting in both directions from the upper bin to the lower bin and from the lower bin to the upper bin corresponding to a selected number of copies for successive originals, an improved controlling method for the sorter provides for returning the bins to a selected position when the number of copies is changed from the one previously set.
    Type: Grant
    Filed: October 20, 1982
    Date of Patent: August 5, 1986
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventor: Tatumi Horiuchi
  • Ink-jet recording apparatus
    Patent number: 4604633
    Abstract: An ink-jet recording apparatus having a detecting means for detecting ink pressure or an ink-residual quantity in the ink supply. The detecting means has a light shielding means coupled to the flexible diaphragm of the ink supply so as to be movable responsive to deformation of the flexible diaphragm. An ink pressure variation of -5 to -10 cm H.sub.2 O results in a diaphragm displacement of 5 um/cm H.sub.2 O to 20 mm/cm H.sub.2 O.
    Type: Grant
    Filed: December 8, 1983
    Date of Patent: August 5, 1986
    Assignee: Konishiroku Photo Industry Co., Ltd
    Inventors: Yoshiaki Kimura, Yasuhiko Tanaka
  • Method for processing light-sensitive silver halide color photographic material
    Patent number: 4601975
    Abstract: A method for processing a light-sensitive silver halide color photographic material by developing a light-sensitive silver halide color photographic material after imagewise exposure with a color developing solution containing a p-phenylenediamine type color developing agent containing at least one water-soluble group on its amino group and then subjecting the developed material to direct processing with a bleach-fixing solution kept in a state of being oxidized, which comprises using a diethylenetriaminepentaacetic acid iron (III) complex as the bleaching agent for said bleach-fixing processing.
    Type: Grant
    Filed: December 20, 1984
    Date of Patent: July 22, 1986
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventors: Shigeharu Koboshi, Kazuhiro Kobayashi, Masao Ishikawa, Masahiko Kon, Satoru Kuse
  • Method of forming a layer of thin film on a substrate having a multiplicity of mesh-like holes
    Patent number: 4601922
    Abstract: A method of forming a thin layer on a substrate by vapor deposition wherein particles of the material to be constituted the thin layer are caused to fly in such a direction that they reach the surface of the substrate at substantially a right angle relative to the latter. The substrate is located opposite to a particle generating source. A shield device with a slit is provided in the proximity of the substrate located opposite to the particle generating source and between the substrate and the particle generating source so that they are introduced onto the surface of the substrate through the slit at substantially a right angle relative to the surface of the substrate.
    Type: Grant
    Filed: September 12, 1984
    Date of Patent: July 22, 1986
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventors: Yasuo Moroboshi, Akira Nishiwaki
  • Camera
    Patent number: 4601562
    Abstract: A camera wherein a camera body is a rectangular shape and long sideways, a first camera parts accommodating chamber and a second camera parts accommodating chamber are disposed at the both sides of a film advancing unit including a film take-up chamber and a patrone chamber, respectively, and a rear cover is arranged such that its edge is positioned at the boundary between the film advancing unit and the second camera parts accommodating chamber.
    Type: Grant
    Filed: November 29, 1984
    Date of Patent: July 22, 1986
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventors: Saburo Yoneyama, Masami Fujita, Shizuo Ishii, Mutsuhito Kichima, Yoshiharu Takahashi, Yoshinobu Sameshima
  • Photoconductive screen
    Patent number: 4600292
    Abstract: A photoconductive screen includes a conductive screen substrate with many perforations therein, an insulating layer formed substantially on one side of the screen substrate, a biasing conductive layer substantially covering the insulating layer, and a photoconductive layer substantially covering the conductive layer. An image of electrostatic charges can be formed on the screen to control a flow of charged particles for formation of an electrostatic latent image in a chargeable layer under exposure to the flow of charged particles.
    Type: Grant
    Filed: March 26, 1984
    Date of Patent: July 15, 1986
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventors: Yoshihide Fujimaki, Masataka Takimoto, Hiroyuki Nomori
  • Thermal transfer recording medium
    Patent number: 4600628
    Abstract: A thermal transfer recording medium comprising a support, an interlayer provided on said support and a coloring agent layer provided on said interlayer. The interlayer contains a cross-linking agent and the coloring agent layer contains a coloring agent and a reactive polymer. The transfer recording medium can be used repeatedly to provide printed copies of excellent quality.
    Type: Grant
    Filed: February 27, 1985
    Date of Patent: July 15, 1986
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventors: Fumio Ishii, Yoshihiro Inaba
  • Video camera
    Patent number: 4600949
    Abstract: A video camera comprising an image-forming lens system having an optical axis and a light-beam splitting means capable of splitting an incident light-beam from the image-forming lens system into a primary optical path along the optical axis and leading into a view finder means, and a secondary optical path bent at an angle to the primary optical path and leading into an electrical image-receiving means. There is provided a camera tube in the bent optical path and a view finder in the straight optical path. An electrical circuit means comprising printed circuit boards is arranged in a U-shape manner to cover three sides of the light-beam splitting means other than the side facing the secondary optical path.
    Type: Grant
    Filed: September 23, 1983
    Date of Patent: July 15, 1986
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventors: Yukinori Koizumi, Toshimitsu Harada
  • Silver halide color photographic light-sensitive material
    Patent number: 4600688
    Abstract: A silver halide color photographic light-sensitive material whose magenta dye-forming layer forms a magenta dye image having an absorption maximum from 550 nm to 560 nm and an advantageous absorption spectrum for color reproduction is provided by a silver halide color photographic light-sensitive material comprising a support having thereon at least one silver halide emulsion layer, wherein the at least one silver halide emulsion layer contains a 1H-pyrazolo[3,2-C]-s-triazole-type magenta coupler, and the above silver halide emulsion layer containing the magenta coupler and/or a silver halide emulsion layer having substantially the same color sensitivity as does the above silver halide emulsion layer containing the magenta coupler contains a pyrazolone-type magenta coupler.
    Type: Grant
    Filed: February 8, 1985
    Date of Patent: July 15, 1986
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventors: Satoshi Kawakatsu, Noritaka Nakayama, Katsunori Katoh, Kaoru Shinozaki, Toshihiko Kimura
  • Positive charging photorecptor
    Patent number: 4599287
    Abstract: A photoreceptor for positive charging is disclosed, said photoreceptor comprising a carrier generating material which is stable against both heat and light, has high carrier generating efficiency and provides good photoconductivity over a wide wavelength range and a specific carrier transport material combined in such a manner that the shape of surface potential curves remains essentially constant over a cyclic operation and contributes to the formation of a visible image of high quality in each cycle by reducing the "memory effect", minimizing the residual potential and extending the cycle life.
    Type: Grant
    Filed: November 7, 1984
    Date of Patent: July 8, 1986
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventors: Yoshihide Fujimaki, Yoshiaki Takei, Yasuo Suzuki, Hiroyuki Nomori
  • Multiplex image reproducing method
    Patent number: 4599285
    Abstract: A method of reproducing multiplex images wherein an electrostatic image is formed on an image retainer by using a common electrostatic image forming device, the electrostatic image formed on the image retainer is developed, the steps of the above are repeated to superpose a plurality of toner images on the image retainer, and the toner images is transferred on a recording paper by one step. The developings other than the first time developing are carried out in such a manner that the surface of a developer layer on a developer feeding carrier does not contact with the surface of the toner image on the image retainer.
    Type: Grant
    Filed: October 1, 1984
    Date of Patent: July 8, 1986
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventors: Satoshi Haneda, Hisashi Shoji, Seiichiro Hiratsuka
  • Method and device of developing an electrostatic latent image
    Patent number: 4599292
    Abstract: Method for forming a toner image on a photosensitive material bearing an electrostatic latent image comprising(a) introducing a one component developer consisting of fine toner particles, said toner particles comprising ferromagnetic powder dispersed in a resin such that at least a portion of said ferromagnetic powder is not totally encased by said resin, said toner particles being capable of accepting a triboelectric charge and having a specific resistivity of 10.sup.14 ohm.
    Type: Grant
    Filed: May 31, 1985
    Date of Patent: July 8, 1986
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventors: Jun Kambara, Yuzo Ohmuro, Nin-ichi Kamogawa
  • Camera
    Patent number: 4598989
    Abstract: An automatic focusing camera comprising: a distance measuring means, a cylindrical permanent magnet means which is provided fixedly inside of the lens barrel, a cylindrical moving coil member which is concentric with said cylindrical permanent means, a lens unit which is driven together with the cylindrical moving coil member, and a spring for urging said lens unit to the most frequently employed focusing point of its travelling range, wherein the lens unit is adapted to move to a point corresponding to an output signal from the distance measuring means under the influence of the cylindrical moving coil member.
    Type: Grant
    Filed: December 22, 1983
    Date of Patent: July 8, 1986
    Assignee: Konishiroku Photo Industry Co. Ltd.
    Inventors: Minoru Yamada, Eiji Ito, Masaru Nagai
  • Composition of a photographic color forming agent
    Patent number: 4596765
    Abstract: A photographic color forming agent composition comprising an aromatic primary amine color developing agent and materials (A), (B), and (C). Material A is a compound having an aromatic ring bearing two hydroxy groups in the ortho positions thereof. Material B is a hydroxyalkylidene-diphosphonic acid metal ion chelating agent. Material C is at least one metal salt selected from the group consisting of the water-soluble metal salts of magnesium, bismuth, aluminum, zinc, barium, or zirconium. The metal salt is present in an amount in mols equivalent to or more than the amount in mols of metal ion chelating agents of B.
    Type: Grant
    Filed: December 4, 1984
    Date of Patent: June 24, 1986
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventors: Masayuki Kurematsu, Shigeharu Koboshi
  • Elements for analysis of calcium
    Patent number: 4594225
    Abstract: An improved multilayer analytical element for the determination of calcium comprising a liquid impermeable, optically transparent support; at least one reagent layer positioned with a first side on said support and containing at least one reagent capable of reacting with a calcium component in a fluid sample; and at least one porous developing layer on the second side of said reagent layer, said porous developing layer being permeable to calcium from said fluid sample thereby transporting said calcium to said reagent layer. The improvement comprises at least one of said reagent layer and developing layer containing a basic substance of the formula M.sub.v H.sub.w PO.sub.4 .multidot.ZH.sub.
    Type: Grant
    Filed: September 13, 1985
    Date of Patent: June 10, 1986
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventors: Kazumi Arai, Mikio Koyama, Kenichiro Okaniwa
  • Silver halide color photographic light-sensitive material
    Patent number: 4594314
    Abstract: A silver halide color photographic light-sensitive material comprising a support having thereon a lower-speed emulsion containing a phenol cyan coupler and a higher-speed emulsion containing a naphthol cyan coupler. Both the lower-speed emulsion and the higher-speed emulsion have the same color sensitivity.
    Type: Grant
    Filed: July 5, 1985
    Date of Patent: June 10, 1986
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventors: Toshihiko Kimura, Takashi Sasaki, Yutaka Kaneko
  • Light-sensitive silver halide photographic element with electron beam cured interlayer
    Patent number: 4594315
    Abstract: A light-sensitive silver halide photographic element having (a) a cured coated layer on at least one surface of a support material, said cured coated layer having been formed by curing a composition with electron beam radiation, said composition prior to curing comprising (i) a compound having two or more unsaturated double bonds in its molecule which is curable by electron beam irradiation, (ii) an inorganic white pigment and (iii) a coupling agent having two or more different reactive groups in its molecule, one of said reactive groups being chemically reactive with the inorganic white pigment to form a chemical bond therewith and said other reactive group being chemically reactive with said compound (i) to form a chemical bond therewith and (b) at least one layer of silver halide emulsion on said coated layer.
    Type: Grant
    Filed: September 6, 1984
    Date of Patent: June 10, 1986
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventors: Toshiaki Shibue, Koichi Nagayasu
  • Analytical element
    Patent number: 4594224
    Abstract: There is presented an improved simple quantitative analytical element for analysis of components in a body fluid such as blood, having a reagent layer constituted of a hydrophilic colloid containing at least one reagent reactive with a component in a liquid sample provided on a support, and also a development layer of a fibrous structure on the reagent layer on the opposite side to the support. A liquid sample can be distributed uniformly through the reagent layer to enable quantitative analysis.
    Type: Grant
    Filed: April 9, 1984
    Date of Patent: June 10, 1986
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventors: Kenichiro Okaniwa, Shozo Kikugawa, Mikio Koyama
  • Box for film packaging
    Patent number: D284168
    Type: Grant
    Filed: December 4, 1984
    Date of Patent: June 10, 1986
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventor: Edwin Ewry