Patents by Inventor Keizo Kimura

Keizo Kimura 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: 6753425
    Abstract: A processing composition for silver halide photographic light-sensitive materials, comprises a bis[2,6-diaminotriazin-4-yl]arylenediamine derivative having at least one of a sulfonic acid group, a carboxylic group and a hydroxyl group within the molecule. This processing composition can be applied to a color developer, a bleaching agent, a fixing agent, a bleach-fixing agent and a stabilizing agent and also to a processing agent in a concentration on use, a concentrated processing agent and a solid processing agent.
    Type: Grant
    Filed: April 16, 2003
    Date of Patent: June 22, 2004
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Yasufumi Nakai, Keizo Kimura, Masashi Ogiyama
  • Patent number: 6734225
    Abstract: An ink for an ink jet includes a coloring composition comprising a dispersion medium and coloring particulates containing an oil-soluble dye represented by formula (1) and a polymer selected from the group consisting of polyurethanes, polyesters, polyamides, polyureas and polycarbonates. The formula (1) satisfies at least one of following (i) to (v): (i) A represents —NR4R5, R4 and R5 each represents independently a C1-18 alkyl group having a substituent group; (ii) At least one of R2 and R7 represents a substituted alkyl group; (iii) R8 represents an aryl group having two or more substituent groups; (iv) Two or more substituent groups represented by —NR170SO2R171 are present in the molecule; and (v) One or more carboxyl groups are present in the molecule.
    Type: Grant
    Filed: February 12, 2001
    Date of Patent: May 11, 2004
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Junichi Yamanouchi, Keizo Kimura, Takahiro Ishizuka
  • Publication number: 20040009439
    Abstract: A processing composition for silver halide photographic light-sensitive materials, comprises a bis[2,6-diaminotriazin-4-yl]arylenediamine derivative having at least one of a sulfonic acid group, a carboxylic group and a hydroxyl group within the molecule. This processing composition can be applied to a color developer, a bleaching agent, a fixing agent, a bleach-fixing agent and a stabilizing agent and also to a processing agent in a concentration on use, a concentrated processing agent and a solid processing agent.
    Type: Application
    Filed: April 16, 2003
    Publication date: January 15, 2004
    Applicant: FUJI PHOTO FILM CO., LTD.
    Inventors: Yasufumi Nakai, Keizo Kimura, Masashi Ogiyama
  • Patent number: 6632594
    Abstract: A processing composition for a silver halide photographic material, which comprises at least one compound selected from the group consisting of compounds represented by the following general formulae (I) and (II):
    Type: Grant
    Filed: January 29, 2001
    Date of Patent: October 14, 2003
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Yasufumi Nakai, Keizo Kimura, Shigeaki Tanaka, Yoshiharu Yabuki
  • Patent number: 6613313
    Abstract: A hair dye composition containing at least one of the following compounds: or analogues thereof; and a method for dyeing hair which comprises a step of applying to the hair the hair dye composition is used. The dye composition of the invention exhibits excellent spreadability, applicability, level-dyeing property and shampoo resistance.
    Type: Grant
    Filed: November 27, 1998
    Date of Patent: September 2, 2003
    Assignee: Fuji Photo Film Co., Ltd.
    Inventor: Keizo Kimura
  • Patent number: 6613814
    Abstract: The present invention related to an ink for an ink jet comprising: a coloring composition containing coloring particulates dispersed in a water-based medium, the coloring particulates containing an oil-soluble polymer and an oil-soluble dye represented by at least one of following formulae (I), (II), (III), (IV), wherein R1, R2, R3 and R4 each represent a hydrogen atom or a non-metallic atomic group; X represents —OH or NR5R6; R5 and R6 each represent a hydrogen atom, an alkyl group, an aryl group or a heterocyclic group; R7, R8 and R9 each represent a hydrogen atom or a non-metallic atomic group; at least one of R1 and R2, or R2 and R5, or R5 and R6, or R6 and R3, or R3 and R4 may form a ring structure; and R7 and R8 may bind together to form a ring structure
    Type: Grant
    Filed: December 21, 2000
    Date of Patent: September 2, 2003
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Takahiro Ishizuka, Keizo Kimura, Makoto Yamada, Keiichi Adachi
  • Patent number: 6605420
    Abstract: A processing composition for silver halide photographic light-sensitive materials, comprises a bis[2,6-diaminotriazin-4-yl]arylenediamine derivative having at least one of a sulfonic acid group, a carboxylic group and a hydroxyl group within the molecule. This processing composition can be applied to a color developer, a bleaching agent, a fixing agent, a bleach-fixing agent and a stabilizing agent and also to a processing agent in a concentration on use, a concentrated processing agent and a solid processing agent.
    Type: Grant
    Filed: August 21, 2001
    Date of Patent: August 12, 2003
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Yasufumi Nakai, Keizo Kimura, Masashi Ogiyama
  • Publication number: 20030072965
    Abstract: A light-emitting device comprising a pair of electrodes and one or more organic layers disposed therebetween, the one or more organic layers comprising a light-emitting layer, wherein at least one of the one or more organic layers comprises a compound represented by the following formula (I): 1
    Type: Application
    Filed: March 15, 2002
    Publication date: April 17, 2003
    Applicant: FUJI PHOTO FILM CO., LTD.
    Inventor: Keizo Kimura
  • Patent number: 6521031
    Abstract: An ink-jet ink which includes a coloring composition which contains an oil-soluble dye represented in the following formula (I). In the formula (I), R1 and R2 represent respectively independently a hydrogen atom, a halogen atom, an aliphatic group, an aromatic group, or the like. A represents —NR5R6 or a hydroxyl group. R5 and R6 represent respectively independently a hydrogen atom, an aliphatic group, or the like. B1 represents ═C(R7)— or ═N—, and B2represents —C (R8)═ or —N═. R3, R4, R7, and R8 represent respectively independently a hydrogen atom, a halogen atom, an aliphatic group, an aromatic group, or the like. Q includes at least one nitrogen atom and, together with a carbon atom to be combined, represents an atom group which is required to form a nitrogen-containing heterocyclic ring having a five-membered ring or more.
    Type: Grant
    Filed: March 8, 2001
    Date of Patent: February 18, 2003
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Keizo Kimura, Takayuki Ito
  • Publication number: 20020197223
    Abstract: A hair dye composition containing at least one of the following compounds: 1
    Type: Application
    Filed: November 27, 1998
    Publication date: December 26, 2002
    Inventor: KEIZO KIMURA
  • Patent number: 6489086
    Abstract: Disclosed are an improved silver halide color photographic photosensitive material comprising a support having thereon a photosensitive layer containing at least one kind of photosensitive silver halide grain, a color developing agent, a coupler and a binder, and a non-photosensitive layer, wherein a one dye is contained as a dispersion of solid fine particles at least one of the layers the dye being represented by general formula (I) as follows: D−(X)y  General formula (I) wherein D represents a compound having a chromophore; X represents a dissociative proton or a group having a dissociative proton which is linked to D directly or via a divalent linking group; and y represents an integer of 1 to 7.
    Type: Grant
    Filed: March 17, 2000
    Date of Patent: December 3, 2002
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Tetsu Kamosaki, Keizo Kimura, Masashi Ogiyama
  • Publication number: 20020055071
    Abstract: A processing composition for silver halide photographic light-sensitive materials, comprises a bis[2,6-diaminotriazin-4-yl]arylenediamine derivative having at least one of a sulfonic acid group, a carboxylic group and a hydroxyl group within the molecule. This processing composition can be applied to a color developer, a bleaching agent, a fixing agent, a bleach-fixing agent and a stabilizing agent and also to a processing agent in a concentration on use, a concentrated processing agent and a solid processing agent.
    Type: Application
    Filed: August 21, 2001
    Publication date: May 9, 2002
    Applicant: FUJI PHOTO FILM CO., LTD.
    Inventors: Yasufumi Nakai, Keizo Kimura, Masashi Ogiyama
  • Publication number: 20020048689
    Abstract: A light-emitting device comprising a pair of electrodes, and organic compound layers comprising a light-emitting layer provided in between the electrodes, wherein at least one of the organic compound layers comprises a compound having a transition metal atom-phosphorus atom bond.
    Type: Application
    Filed: September 20, 2001
    Publication date: April 25, 2002
    Applicant: FUJI PHOTO FILM CO., LTD.
    Inventors: Tatsuya Igarashi, Keizo Kimura
  • Publication number: 20020017217
    Abstract: An ink-jet ink comprising a coloring composition including an oil-soluble dye represented by general formula (I) below.
    Type: Application
    Filed: March 8, 2001
    Publication date: February 14, 2002
    Inventors: Yuki Mizukawa, Keizo Kimura
  • Publication number: 20010045176
    Abstract: An ink-jet ink which includes a coloring composition which contains an oil-soluble dye represented in the following formula (I). In the formula (I), R1 and R2 represent respectively independently a hydrogen atom, a halogen atom, an aliphatic group, an aromatic group, or the like. A represents —NR5R6 or a hydroxyl group. R5 and R6 represent respectively independently a hydrogen atom, an aliphatic group, or the like. B1 represents ═C(R7)— or ═N—, and B2represents —C (R8)═ or —N═. R3, R4, R7, and R8 represent respectively independently a hydrogen atom, a halogen atom, an aliphatic group, an aromatic group, or the like. Q includes at least one nitrogen atom and, together with a carbon atom to be combined, represents an atom group which is required to form a nitrogen-containing heterocyclic ring having a five-membered ring or more.
    Type: Application
    Filed: March 8, 2001
    Publication date: November 29, 2001
    Inventors: Keizo Kimura, Takayuki Ito
  • Publication number: 20010031432
    Abstract: A processing composition for a silver halide photographic material, which comprises at least one compound selected from the group consisting of compounds represented by the following general formulae (I) and (II): 1
    Type: Application
    Filed: January 29, 2001
    Publication date: October 18, 2001
    Inventors: Yasufumi Nakai, Keizo Kimura, Shigeaki Tanaka, Yoshiharu Yabuki
  • Publication number: 20010023267
    Abstract: The present invention related to an ink for ink-jet comprising: a coloring composition containing coloring particulates dispersed in a water based medium, the coloring particulates containing an oil soluble dye and an oil soluble polymer; and wherein the coloring composition has wavelength of maximum absorption (&lgr; max(nm)) in the wavelength range from 510 to 560 nm and when the absorbance at the wavelength of maximum absorption (&lgr; max(nm)) is regarded as 1, the absorbance at a wavelength (&lgr; max+75 (nm)) is no more than 0.2 and the absorbance at a wavelength (&lgr; max−75 (nm)) is no more than 0.4.
    Type: Application
    Filed: December 21, 2000
    Publication date: September 20, 2001
    Inventors: Takahiro Ishizuka, Keizo Kimura, Makoto Yamada
  • Publication number: 20010019782
    Abstract: A light-emitting material comprises a compound having a partial structure represented by the following formula (1) or tautomer thereof: 1
    Type: Application
    Filed: December 27, 2000
    Publication date: September 6, 2001
    Inventors: Tatsuya Igarashi, Keizo Kimura, Kazumi Nii
  • Publication number: 20010020056
    Abstract: An ink for an ink jet includes a coloring composition comprising a dispersion medium and coloring particulates containing an oil-soluble dye represented by formula (1) and a polymer selected from the group consisting of polyurethanes, polyesters, polyamides, polyureas and polycarbonates. The formula (1) satisfies at least one of following (i) to (v): (i) A represents —NR4R5, R4 and R5 each represents independently a C1-18 alkyl group having a substituent group; (ii) At least one of R2 and R7 represents a substituted alkyl group; (iii) R8 represents an aryl group having two or more substituent groups; (iv) Two or more substituent groups represented by —NR170SO2R171 are present in the molecule; and (v) One or more carboxyl groups are present in the molecule.
    Type: Application
    Filed: February 12, 2001
    Publication date: September 6, 2001
    Inventors: Junichi Yamanouchi, Keizo Kimura, Takahiro Ishizuka
  • Publication number: 20010020055
    Abstract: The present invention related to an ink for an ink jet comprising: a coloring composition containing coloring particulates dispersed in a water-based medium, the coloring particulates containing an oil-soluble polymer and an oil-soluble dye represented by at least one of following formulae (I), (II), (III), (IV), wherein R1, R2, R3 and R4 each represent a hydrogen atom or a non-metallic atomic group; X represents —OH or NR5R6; R5 and R6 each represent a hydrogen atom, an alkyl group, an aryl group or a heterocyclic group; R7, R8 and R9 each represent a hydrogen atom or a non-metallic atomic group; at least one of R1 and R2, or R2 and R5, or R5 and R6, or R6 and R3, or R3 and R4 may form a ring structure; and R7 and R8 may bind together to form a ring structure.
    Type: Application
    Filed: December 21, 2000
    Publication date: September 6, 2001
    Inventors: Takahiro Ishizuka, Keizo Kimura, Makoto Yamada, Keiichi Adachi