Patents by Inventor Terukazu Yanagi

Terukazu Yanagi 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: 6835845
    Abstract: A is a novel methine compound, for example, which is represented by the following formula (I): wherein R1, R2, R3, R4 and R5 each represents a hydrogen atom or a substituent; X represents an oxygen atom, a sulfur atom, or N—R6; Z represents —NR7R8, or —OG; R6, R7 and R8 each represents a hydrogen atom or a substituent; G represents a hydrogen atom, a cation or a substituent; L1, L2 and L3 each represents a substituted or unsubstituted methine group; n represents 1 or 2; and W represents an electron attractive group. Also, a material for organic luminescence element and organic luminescence element using the same are disclosed.
    Type: Grant
    Filed: July 26, 2002
    Date of Patent: December 28, 2004
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Hisashi Okada, Terukazu Yanagi
  • Patent number: 6835474
    Abstract: A methine compound which is represented by the following formula (VI): wherein R1, R2, R3, R4, R5, R6, R7, R8, R9 and R each represents a hydrogen atom or a substituent; A represents a heterocyclic ring containing an aromatic ring; X represents an oxygen atom, a sulfur atom, or N—R10, wherein R10 represents a hydrogen atom or a substituent; L1 and L2 each represents a substituted or unsubstituted methine group; and n represent 1 or 2. Also, a material for organic luminescence element and organic luminescent element using the same are disclosed.
    Type: Grant
    Filed: November 8, 2002
    Date of Patent: December 28, 2004
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Hisashi Okada, Terukazu Yanagi
  • Patent number: 6824964
    Abstract: The invention provides an image forming method in which a silver halide color photosensitive material has a back layer on an opposite side to the silver halide emulsion layers. The back layer contains colloidal silica and has a surface resistance of 1.
    Type: Grant
    Filed: April 29, 2003
    Date of Patent: November 30, 2004
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Tatsuya Ishizaka, Terukazu Yanagi, Atsushi Kato
  • Patent number: 6815152
    Abstract: A silver halide color photographic photosensitive material comprising: a transmitting support; at least three types of photosensitive hydrophilic colloid layers disposed on the support, each type including at least one of a yellow, a magenta and a cyan color forming coupler; silver halide emulsion particles, which have a color sensitivity different from the other types, wherein at least one of the color sensitivities comprises green-sensitivity; and an Fe content of no more than 2×10−5 moles/m2; each silver halide emulsion particle including a halogen composition, which comprises at least one of silver chlorobromide, silver chloroiodide, silver chloroiodide bromide and silver chloride having a silver chloride content ratio of 95% by mole or more, an average sphere-equivalent particle diameter of the green-sensitive silver halogen emulsion particles comprising no more than 0.25 &mgr;m and at least one type of the green-sensitive silver halogen emulsion particles being doped with Ir.
    Type: Grant
    Filed: September 26, 2002
    Date of Patent: November 9, 2004
    Assignee: Fuji Photo Film. Co., Ltd.
    Inventors: Kiyohito Takada, Hidekazu Sakai, Terukazu Yanagi
  • Publication number: 20040137386
    Abstract: A silver halide color photographic lightsensitive material comprising a support and, superimposed thereon, at least one blue-sensitive layer, at least one green-sensitive layer, at least one red-sensitive layer and at least one non-lightsensitive layer, wherein at least one fluorinated surfactant represented by the following general formula (A) or general formula (B) is contained and wherein a spectral sensitivity ratio at 370 nm as compared to that at 420 nm, which imparts the same density as that of the sensitivity at 420 nm in the spectral sensitivity distribution of the blue-sensitive layer, is 70% or less.
    Type: Application
    Filed: September 26, 2003
    Publication date: July 15, 2004
    Applicant: FUJI PHOTO FILM CO., LTD.
    Inventors: Koichi Yokota, Terukazu Yanagi
  • Publication number: 20040115571
    Abstract: Disclosed is a silver halide photographic light-sensitive material having one or more layers including a light-sensitive silver halide emulsion layer on a support, wherein any of the layers contains the specific fluorine compound. The silver halide photographic light-sensitive material can be stably produced and is imparted with antistatic property.
    Type: Application
    Filed: November 17, 2003
    Publication date: June 17, 2004
    Applicant: Fuji Photo Film Co., Ltd.
    Inventors: Terukazu Yanagi, Akira Ikeda, Nobuo Hamamoto, Takahiro Ishizuka
  • Patent number: 6747169
    Abstract: Disclosed is a silver halide photographic light-sensitive material having one or more layers including a light-sensitive silver halide emulsion layer on a support, wherein any of the layers contains the specific fluorine compound. The silver halide photographic light-sensitive material can be stably produced and is imparted with antistatic property.
    Type: Grant
    Filed: August 2, 2002
    Date of Patent: June 8, 2004
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Terukazu Yanagi, Akira Ikeda, Nobuo Hamamoto, Takahiro Ishizuka
  • Publication number: 20040086748
    Abstract: An organic luminescent device material, comprising an amine compound represented by the following formula (I): 1
    Type: Application
    Filed: October 17, 2003
    Publication date: May 6, 2004
    Applicant: FUJI PHOTO FILM CO., LTD.
    Inventors: Kazumi Nii, Terukazu Yanagi
  • Publication number: 20040048209
    Abstract: A silver halide photographic light-sensitive material having one or more layers including at least one light-sensitive silver halide emulsion layer on a support, wherein at least one of the layers contains at least one compound represented by R1-Z1 (R1 is an unsubstituted or hydroxy-substituted alkyl having 6-24 carbon atoms or an unsubstituted alkenyl group having 6-24 carbon atoms, and Z1 is OSO3M or SO3M, where M is a cation) and a fluorine-containing surfactant. There is provided a silver halide photographic light-sensitive material that shows superior antistatic property and can be stably produced.
    Type: Application
    Filed: May 2, 2003
    Publication date: March 11, 2004
    Applicant: FUJI PHOTO FILM CO., LTD.
    Inventors: Yoshihisa Tsukada, Terukazu Yanagi, Kouichi Yokota
  • Publication number: 20040044244
    Abstract: A fluorocompound denoted by general formula (1) below
    Type: Application
    Filed: May 28, 2003
    Publication date: March 4, 2004
    Applicant: Fuji Photo Film Co. Ltd.
    Inventors: Junichi Yamanouchi, Terukazu Yanagi, Tomokazu Yasuda
  • Publication number: 20040038160
    Abstract: Disclosed is a silver halide photographic light-sensitive material, which comprises at least one polymer compound having a nitrogen-containing aromatic ring having a mercapto group represented by the formula Z—SH wherein Z represents a nitrogen-containing aromatic ring as a partial structure. This silver halide photographic light-sensitive material can stably contain silver halide grains of a high aspect ratio showing high sensitivity and superior planarity, shows superior pressure resistance and can be stably prepared.
    Type: Application
    Filed: February 14, 2003
    Publication date: February 26, 2004
    Inventors: Terukazu Yanagi, Makiko Yokoi, Mamoru Sakurazawa, Yoshihisa Tsukada, Seiji Hatano
  • Patent number: 6689491
    Abstract: An organic luminescent device material, comprising an amine compound represented by the following formula (I): wherein R1, R2 and R3, which are the same or different, each represents an unsubstituted or substituted aryl group, an unsubstituted or substituted heterocyclic group or an unsubstituted or substituted aliphatic hydrocarbon group, provided that at least two among R1, R2 and R3 are each an unsubstituted or substituted aryl or heterocyclic group; or any two among R1, R2 and R3 combine with each other to complete a ring; provided that at least one among R1, R2 and R3 has a moiety represented by the following formula (II), wherein R4, R5 and R6 each represents a hydrogen atom or a substituent group, Z1 represents atoms forming a 5, 6 or 7-membered ring, and m represents 0, 1 or 2.
    Type: Grant
    Filed: February 7, 2000
    Date of Patent: February 10, 2004
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Kazumi Nii, Terukazu Yanagi
  • Patent number: 6686139
    Abstract: A silver halide photographic material of the invention contains a support having on at least one surface thereof at least one photosensitive silver halide emulsion layer, and a surface protective layer. The silver halide photographic material of the invention may include a hydrophilic colloid layer containing a hydrophilic colloid, in addition to the surface protective layer. The silver halide photographic material of the invention contains at least two kinds of surfactants that are different from each other. One of the surfactants (type 1) has a fluoroalklyl group or a fluoroalkylene group. The other (type 2) is an anionic surfactant containing ethyleneoxy repeating units and having an alkyloxy group or an alkylcarbonyl group at an end thereof.
    Type: Grant
    Filed: May 22, 2003
    Date of Patent: February 3, 2004
    Assignee: Fuji Photo Film Co. Ltd.
    Inventors: Katsuhiko Kanazawa, Terukazu Yanagi, Yoshihisa Tsukada, Shinichi Ichikawa
  • Publication number: 20040013967
    Abstract: Disclosed is a silver halide photographic light-sensitive material comprising at least one silver halide emulsion layer on a support, which contains a fluorine compound having two or more fluorinated alkyl groups having two or more carbon atoms and 11 or less fluorine atoms and having at least one of an anionic hydrophilic group and a nonionic hydrophilic group, and has a characteristic curve drawn in orthogonal coordinates of logarithm of light exposure (x-axis) and optical density (y-axis) using equal unit lengths for the both axes, on which gamma is 5.0 or more for the optical density range of 0.3-3.0. There is provided a silver halide photographic light-sensitive material that provides high sensitivity, high contrast, favorable half tone dot quality and superior storage stability.
    Type: Application
    Filed: January 30, 2003
    Publication date: January 22, 2004
    Inventors: Shoji Yasuda, Terukazu Yanagi
  • Publication number: 20040002024
    Abstract: A silver halide photographic light-sensitive material having one or more layers including at least one light-sensitive silver halide emulsion layer on a support, wherein any of the layers formed on the support contains a compound represented by the following formula (1) and a fluorine-containing surfactant (in the formula (1), R1 represents an alkyl group or alkenyl group having 6-25 carbon atoms, ml represents an integer of 0-30, n1 represents an integer of 0-4, a represents 0 or 1, and Z′ represents OSO3M or SO3M, where M represents a cation). There is provided a silver halide photographic light-sensitive material that shows superior antistatic property and can be stably produced.
    Type: Application
    Filed: March 13, 2003
    Publication date: January 1, 2004
    Inventors: Terukazu Yanagi, Yoshihisa Tsukada, Kouichi Yokota, Shinichi Ichikawa, Katsuhiko Kanazawa
  • Publication number: 20030235793
    Abstract: A silver halide photographic material of the invention contains a support having on at least one surface thereof at least one photosensitive silver halide emulsion layer, and a surface protective layer. The silver halide photographic material of the invention may include a hydrophilic colloid layer containing a hydrophilic colloid, in addition to the surface protective layer. The silver halide photographic material of the invention contains at least two kinds of surfactants that are different from each other. One of the surfactants (type 1) has a fluoroalklyl group or a fluoroalkylene group. The other (type 2) is an anionic surfactant containing ethyleneoxy repeating units and having an alkyloxy group or an alkylcarbonyl group at an end thereof.
    Type: Application
    Filed: May 22, 2003
    Publication date: December 25, 2003
    Inventors: Katsuhiko Kanazawa, Terukazu Yanagi, Yoshihisa Tsukada, Shinichi Ichikawa
  • Publication number: 20030223026
    Abstract: A novel optical compensatory sheet is disclosed the sheet comprises a transparent support and an optically anisotropic layer formed of discotic liquid-crystal molecules thereon. The anisotropic layer comprises at least one air interface control agent, thereby having an air interface polarity of at least 1.5-fold relative to that of a layer which does not comprise said air interface control agent. An optical compensatory sheet comprising a transparent support and an optically anisotropic layer formed of discotic liquid-crystal molecules thereon, wherein said anisotropic layer comprises at least one compound denoted by formula (I) is also disclosed.
    Type: Application
    Filed: March 28, 2003
    Publication date: December 4, 2003
    Applicant: Fuji Photo Film Co., Ltd.
    Inventors: Shinichi Morishima, Ken Kawata, Terukazu Yanagi
  • Publication number: 20030211430
    Abstract: A silver halide photosensitive material comprises at least one light-sensitive layer and at least one non-light-sensitive layer on a support. The photosensitive material contains at least one compound represented by general formula (1), and a ratio of fluorescent X-ray intensity of fluorine to fluorescent X-ray intensity of carbon, F/C, in the surface of the photosensitive material is 0.
    Type: Application
    Filed: October 2, 2002
    Publication date: November 13, 2003
    Applicant: FUJI PHOTO FILM CO., LTD.
    Inventors: Akira Ikeda, Katsuro Nagaoka, Terukazu Yanagi, Koichi Yokota
  • Publication number: 20030203326
    Abstract: A silver halide color photographic photosensitive material comprising: a transmitting support; at least three types of photosensitive hydrophilic colloid layers disposed on the support, each type including at least one of a yellow, a magenta and a cyan color forming coupler; silver halide emulsion particles, which have a color sensitivity different from the other types, wherein at least one of the color sensitivities comprises green-sensitivity; and an Fe content of no more than 2×10−5 moles/m2; each silver halide emulsion particle including a halogen composition, which comprises at least one of silver chlorobromide, silver chloroiodide, silver chloroiodide bromide and silver chloride having a silver chloride content ratio of 95% by mole or more, an average sphere-equivalent particle diameter of the green-sensitive silver halogen emulsion particles comprising no more than 0.25 &mgr;m and at least one type of the green-sensitive silver halogen emulsion particles being doped with Ir.
    Type: Application
    Filed: September 26, 2002
    Publication date: October 30, 2003
    Applicant: FUJI PHOTO FILM CO., LTD.
    Inventors: Kiyohito Takada, Hidekazu Sakai, Terukazu Yanagi
  • Publication number: 20030138745
    Abstract: Disclosed is a silver halide photographic light-sensitive material having one or more layers including a light-sensitive silver halide emulsion layer on a support, wherein any of the layers contains the specific fluorine compound. The silver halide photographic light-sensitive material can be stably produced and is imparted with antistatic property.
    Type: Application
    Filed: August 2, 2002
    Publication date: July 24, 2003
    Inventors: Terukazu Yanagi, Akira Ikeda, Nobuo Hamamoto, Takahiro Ishizuka