Patents by Inventor Kaoru Onodera

Kaoru Onodera 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: 4715690
    Abstract: There is presented an optical screen suitable for taking a picture by placing it between the object and a photosensitive material. The optical screen has a specific means for controlling the difference in transmission density in an optically heterogeneous pattern and/or the specific area of the lower transmission density portions, typically an electrochromic display device. By use of such a single optical screen having a variable optically heterogeneous pattern, cumbersome operations for displacing one screen for another in the prior art can be obviated.
    Type: Grant
    Filed: December 31, 1986
    Date of Patent: December 29, 1987
    Assignee: Konishiroku Photo Ind. Co., Ltd.
    Inventors: Kaoru Onodera, Satoru Hohnishi, Kazuyuki Kobayashi, Kazuo Shiozawa
  • Patent number: 4692399
    Abstract: A silver halide photographic light-sensitive material is disclosed, which is excellent in light discoloration resistance and is more particularly capable of keeping its color balance and reproducing long life color images. The photographic material comprises a support, at least three light-sensitive silver halide emulsion layers containing a yellow, magenta, and cyan coupler, respectively, and at least one non-light-sensitive layer being provided at a further side of the emulsion layer being provided at the furthest position from the support. The non-light-sensitive layer contains at least three kinds of UV absorbers represented by the general formula [UV-I], provided that at least one of the UV absorbers is in a liquid state at 30.degree. C. and at least two UV absorbers are in a solid state at the same temperature.
    Type: Grant
    Filed: July 1, 1986
    Date of Patent: September 8, 1987
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventors: Masao Sasaki, Takashi Kadowaki, Kaoru Onodera
  • Patent number: 4684603
    Abstract: There is disclosed a light-sensitive silver halide photographic material which comprises containing at least one coupler represented by the formula (I) shown below and at least one of the compounds represented by the formulae (XI) and (XII) shown below: ##STR1## wherein Z represents a group of non-metallic atoms necessary for forming a nitrogen-containing heterocyclic ring which may have a substituent; X represents a hydrogen atom or a substituent eliminatable through the reaction with the oxidized product of a color developing agent; and R represents a hydrogen atom or a substituent, ##STR2## wherein X.sup.1, X.sup.2 and X.sup.4 each represents an oxygen atom, a sulfur atom or --NR.sup.10 --(R.sup.10 represents a hydrogen atom, an alkyl group, an aryl group or a hydroxyl group); X.sup.3 represents a hydroxyl group or a mercapto group; Y represents an oxygen atom or a sulfur atom; R.sup.1, R.sup.2 and R.sup.3 each represents a hydrogen atom, an alkyl group or an aryl group, provided that at least two of R.
    Type: Grant
    Filed: December 4, 1985
    Date of Patent: August 4, 1987
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventors: Toyoki Nishijima, Kaoru Onodera
  • Patent number: 4675275
    Abstract: There is disclosed a light-sensitive silver halide photographic material which comprises at least one coupler represented by the formula (I) shown below, at least one of the compounds represented by the formulae (XI), (XII) and (XIII) shown below and at least one of the compounds represented by the formulae (XXI), (XXII) and (XXIII) shown below: ##STR1## wherein Z, X and R have the same meanings as defined in the specification, ##STR2## wherein M, X.sup.3, Y, R.sup.1, R.sup.2, R.sup.3, R.sup.4 and Z.sup.0 have the same meanings as defined in the specification, ##STR3## wherein R.sub.1), J, R.sub.2), R.sub.3), R.sub.4), R.sub.5), R.sub.6), R.sub.7), R.sub.8), R.sub.9) and R.sub.10) have the same meanings as defined in the specification.
    Type: Grant
    Filed: December 23, 1985
    Date of Patent: June 23, 1987
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventors: Toyoki Nishijima, Kaoru Onodera
  • Patent number: 4670377
    Abstract: A silver halide photographic light-sensitive material comprising a support bearing thereon a photographic layer comprising a light-sensitive silver halide emulsion layer and a non-light-sensitive hydrophilic colloidal layer; wherein at least one of the photographic layers is hardened by a vinylsulfone hardener, and at least one layer selected from the group consisting of the photographic layers each hardened by the vinylsulfone hardener and the other photographic layers is hardened by a triazo compound, and further at least one of the silver halide emulsion layers contains silver halide particles which are spectrally sensitized by one of certain sensitizing dyes.
    Type: Grant
    Filed: October 21, 1985
    Date of Patent: June 2, 1987
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventors: Masanobu Miyoshi, Shun Takada, Kaoru Onodera
  • Patent number: 4666826
    Abstract: A silver halide photographic light-sensitive material comprising a support having thereon at least one silver halide emulsion layer, which contains in combination at least one cyan coupler of Formula [I], at least one cyan coupler of Formula [II], and at least one compound of Formula [III], Formula [IV] or Formula [V].
    Type: Grant
    Filed: April 19, 1985
    Date of Patent: May 19, 1987
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventors: Shun Takada, Takashi Kadowaki, Kaoru Onodera
  • Patent number: 4661441
    Abstract: Disclosed is a silver halide photographic material containing at least one layer of silver halide emulsion layers on a support characterized in that at least one layer of said silver halide emulsion layers contains mono-dispersed silver halide grains formed with (100) face and (111) face and said silver halide emulsion layer is hardened with at least one of the hardening agents represented by the formula [I] shown below and/or at least one of the hardening agents represented by the formula [II] shown below, ##STR1## wherein R.sub.1 represents a chlorine atom, a hydroxy group, an alkyl group, an alkoxy group, an alkylthio group, --OM group (M is a monovalent metal atom), --NR'R" (R' and R" are a hydrogen atom, an alkyl group or an aryl group, respectively) or --NHCOR"' (R"' is a hydrogen atom, an alkyl group or an aryl group) and R.sub.2 has the same meanings as R.sub.1 except for a chlorine atom, ##STR2## wherein R.sub.3, R.sub.3 ', R.sub.4 and R.sub.
    Type: Grant
    Filed: April 10, 1985
    Date of Patent: April 28, 1987
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventors: Makoto Kajiwara, Kaoru Onodera
  • Patent number: 4640889
    Abstract: Disclosed is a light-sensitive silver halide multi-layer color photographic material having a light-sensitive silver halide emulsion layer combined with a non-diffusion coupler on a support, which comprises a light-sensitive silver halide emulsion layer farthest from the support which contains mono-dispersed silver halide grains comprising primarily (100) faces and having an average grain size of 0.2 to 0.8 .mu.m.The light-sensitive silver halide multi-layer color photographic material of the present invention has stable performance against fluctuations in developing processing conditions, has high sensitivity and low fogging.
    Type: Grant
    Filed: April 15, 1985
    Date of Patent: February 3, 1987
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventors: Kazuo Komorita, Masanobu Miyoshi, Kaoru Onodera
  • Patent number: 4623616
    Abstract: A silver halide photographic light-sensitive material comprising a support bearing thereon a silver halide emulsion layer containing a diffusionproof coupler and being hardened with a hardening agent represented by Formula [II] and/or Formula [III] indicated below is enabled to acquire improved film properties and enjoy increased freedom from repression of latent image by using, as the diffusionproof coupler, a compound represented by Formula [I] indicated below: Formula [I] ##STR1## wherein R.sub.1 denotes a straight or branched alkyl group having 2 to 4 carbon atoms; R.sub.2 a ballast group; and X a hydrogen atom or a group capable of splitting off through reaction with the oxidation product of an aromatic primary amine type color developing agent. ##STR2## wherein R.sub.3 denotes a chlorine atom, a hydroxy group, an alkyl group, an alkoxy group, an amino group, an acylamino group, or a --OM group in which M denotes a monovalent metal atom; R.sub.4 has the same meaning as R.sub.
    Type: Grant
    Filed: March 26, 1985
    Date of Patent: November 18, 1986
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventors: Shun Takada, Takashi Kadowaki, Masao Sasaki, Toyoki Nishijima, Kaoru Onodera
  • Patent number: 4618570
    Abstract: A silver halide photographic material having at least one layer of silver halide emulsion layers containing a silver halide having a silver chloride content of not less than 25 molar %, characterized in that at least one of said silver halide emulsion layers contains a silver halide sensitized with a compound having the following formula (Ia), and/or a compound having the following formula (Ib) and is hardened with a compound having the following formula (II) and/or a compound having the formula (III); ##STR1## in the above formulae (Ia), (Ib), (II) and (III), R.sub.1 to R.sub.20, Z.sub.1 and Z.sub.2, n.sub.1 and n.sub.2, Q and Q', L, p and q are defined in the specification.The photographic material of the invention not only shows a higher sensitivity, a lower infrared sensor fogging, a superior sharpness or color reproductivity and a superior whiteness but also exerts a good storage property with time or a lower change in sensitivity after storage.
    Type: Grant
    Filed: March 15, 1985
    Date of Patent: October 21, 1986
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventors: Takashi Kadowaki, Kaoru Onodera
  • Patent number: 4614709
    Abstract: A silver halide photographic light-sensitive material having a support with at least one silver halide emulsion layer is provided. The silver halide emulsion layer containing in combination at least one yellow dye image-forming coupler of Formula I and at least one high-boiling organic solvent of Formula II to reduce the light discoloration of a yellow dye image.
    Type: Grant
    Filed: December 20, 1983
    Date of Patent: September 30, 1986
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventors: Masao Sasaki, Kaoru Onodera
  • Patent number: 4614710
    Abstract: A silver halide photographic material having one or more silver halide emulsion layers formed on a support is disclosed, wherein at least one of said silver halide emulsion layers contains a cyan coupler of formula (I) in combination with a cyan coupler of formula (II): ##STR1## (wherein R.sub.1 is an alkyl group, an aryl group, a cycloalkyl group or a heterocyclic group; R.sub.2 is a halogen atom or a monovalent organic group; m is an integer of 0 to 4, provided that when m is 2 or more, R.sub.2 may be the same or different; R.sub.3 is a hydrogen atom, a halogen atom, an alkyl group or an alkoxy group; W is an alkylsulfonamido group, an arylsulfonamido group, an alkylsulfamoyl group or an arylsulfamoyl group; R.sub.4 is an alkylene group; X is a divalent group; l is 0 or a positive integer; Z.sub.1 is a hydrogen atom or a group capable of leaving upon reaction with the oxidized product of an aromatic primary amine color developing agent); ##STR2## (wherein R.sub.
    Type: Grant
    Filed: April 18, 1985
    Date of Patent: September 30, 1986
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventors: Shun Takada, Takashi Kadowaki, Kaoru Onodera
  • Patent number: 4613564
    Abstract: A silver halide photographic material having one or more silver halide emulsion layers formed on a support is disclosed, wherein at least one of said silver halide emulsion layers contains a cyan coupler of formula (I) in combination with a cyan coupler of formula (II) ##STR1## (wherein R.sub.1 is a ballast group; R.sub.2 is a halogen atom or a monovalent organic group; m is an integer of 0 to 4, provided that when m is 2 or more, R.sub.2 may be the same or different; R.sub.3 is a hydrogen atom or a halogen atom; W is a halogen atom or an alkyl group; and Z.sub.1 is a hydrogen atom or a group capable of leaving upon reaction with the oxidized product of an aromatic primary amine color developing agent); ##STR2## (wherein R.sub.4 is an alkyl or alkoxy group; n is an integer of 0 to 5, provided that when n is 2 or more, R.sub.4 may be the same or different; R.sub.5 is an alkylene group; R.sub.6 is an alkyl group; R.sub.7 is a hydrogen atom, a halogen atom or an alkyl group; and Z.sub.
    Type: Grant
    Filed: April 18, 1985
    Date of Patent: September 23, 1986
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventors: Shun Takada, Takashi Kadowaki, Kaoru Onodera
  • Patent number: 4613565
    Abstract: A silver halide photographic material having one or more silver halide emulsion layers formed on a support is disclosed, wherein at least one of said silver halide emulsion layers contains a cyan coupler of formula (I) in combination with a cyan coupler of formula (II): ##STR1## (wherein R.sub.1 is a ballast group; R.sub.2 is a halogen atom or a monovalent organic group; R.sub.3 is a hydrogen atom, a halogen atom, an alkyl group or an alkoxy group; W is an alkyl-sulfonamido group, an arylsulfonamido group, an alkylsulfamoyl group or an arylsulfamoyl group; m is an integer of 0 to 4, provided that when m is 2 or more, R.sub.2 may be the same or different; and Z.sub.1 is a hydrogen atom or a group capable of leaving upon reaction with the oxidized product of an aromatic primary amine color developing agent); ##STR2## (wherein R.sub.4 is an alkyl or alkoxy group; n is an integer of 0 to 5, provided that when n is 2 or more, R.sub.4 may be the same or different; R.sub.5 is an alkylene group; R.sub.
    Type: Grant
    Filed: April 18, 1985
    Date of Patent: September 23, 1986
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventors: Shun Takada, Takashi Kadowaki, Kaoru Onodera
  • Patent number: 4609618
    Abstract: Silver halide photographic light-sensitive material comprising a support and at least one silver halide emulsion layer thereon, said layer comprising at least one cyan coupler of Formula I, said coupler having been dispersed in said emulsion layer by use of at least one solvent of Formula II, ##STR1## wherein R.sub.1 is an alkyl radical or an aryl radical; R.sub.2, R.sub.3, R.sub.4, R.sub.5 and R.sub.6 each is a radical selected from the group consisting of hydrogen, halogens, hydroxyl radical, nitro radical, cyano radical, alkyl radicals, alkoxy radicals, aryl radicals, aryloxy radicals, alkylsulfamoyl radicals, arylsulfamoyl radicals, alkyloxycarbonyl radicals, aryloxycarbonyl radicals, alkylsulfonamido radicals, arylsulfonamido radicals, alkylsulfonyl radicals and arylsulfonyl radicals, provided that when R.sub.2 is a radical selected from said alkylsulfonamido radicals, R.sub.6 also is selected from said alkylsulfonamido radicals; and Z.sub.
    Type: Grant
    Filed: December 4, 1985
    Date of Patent: September 2, 1986
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventors: Masao Sasaki, Kaoru Onodera
  • Patent number: 4587208
    Abstract: A color photographic light-sensitive material comprising a reflective support having thereon a plurality of silver halide emulsion layers of which the silver halide layer located farthest from the support contains not less than 15 mole percent of silver chloride and two non-light-sensitive layers each containing an ultraviolet absorbing agent.
    Type: Grant
    Filed: April 25, 1985
    Date of Patent: May 6, 1986
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventors: Takashi Kadowaki, Kaoru Onodera
  • Patent number: 4565774
    Abstract: Method for forming a dye image comprising imagewise exposing and processing a silver halide light-sensitive color photographic material having a support and coated thereon a silver halide emulsion layer containing silver halide crystals, wherein said silver halide crystals consist essentially of crystals having at least 80 mole % of silver chloride, said developing taking place in a developer essentially free from bromide ion and having a pH value of at least 9.5, in the presence of a p-phenylenediamine color-developing agent and a compound of the formula ##STR1## having an acid dissociation constant of not more than 1.times.10.sup.-8 and a solubility product with silver ion of not more than 1.times.10.sup.-10, wherein Z, together with N forms a heterocyclic ring, said compound.
    Type: Grant
    Filed: October 18, 1984
    Date of Patent: January 21, 1986
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventors: Makoto Kajiwara, Kaoru Onodera
  • Patent number: 4564590
    Abstract: A silver halide photographic material having one or more silver halide emulsion layers formed on a reflective support is disclosed, wherein at least one of the silver halide emulsion layers contains at least one cyan coupler of formula (I) dispersed therein with the aid of at least one high-boiling organic solvent having a dielectric constant of 6.1 or more, and wherein at least one photographic layer contains at least one dye of formula (II) and/or formula (III): ##STR1## wherein R.sub.1 is a straight- or branched-chain alkyl group having 2 to 4 carbon atoms; R.sub.2 is a ballast group; and X is a hydrogen atom or a group capable of leaving upon coupling reaction with the oxidized product of a color developing agent; ##STR2## wherein R.sub.3 and R.sub.5 are each a hydrogen atom, an alkyl group or an aryl group; R.sub.4 and R.sub.
    Type: Grant
    Filed: March 19, 1985
    Date of Patent: January 14, 1986
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventors: Masao Sasaki, Toyoki Nishijima, Shun Takada, Takashi Kadowaki, Kaoru Onodera
  • Patent number: 4564591
    Abstract: Silver halide color photographic material comprising a support and at least one emulsion layer thereon, the emulsion layer containing silver halide grains comprising core particles of high chloride content and a silver halide coating layer on the core particle. The coating layer is primarily silver bromide and the combined silver halide content of the core particles and the coating thereon is 90 to 99.5 mol % silver chloride and 0.5 to 10 mol % silver bromide.
    Type: Grant
    Filed: March 21, 1985
    Date of Patent: January 14, 1986
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventors: Shigeo Tanaka, Kaoru Onodera
  • Patent number: 4563406
    Abstract: There is disclosed a light-sensitive silver halide photographic material having a white pigment containing layer and at least one silver halide emulsion layer provided successively on a support, being characterized in that there is provided a colorant containing layer capable of being made substantially colorless by a photographic treatment between said support and said white pigment containing layer. The present invention provides a light-sensitive silver halide photographic material having a reflective support improved to a great extent in sharpness substantially without bringing about lowering in sensitivity.
    Type: Grant
    Filed: July 12, 1984
    Date of Patent: January 7, 1986
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventors: Keiji Ohbayashi, Kaoru Onodera