Patents by Inventor Kozo Aoki

Kozo Aoki 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: 11767977
    Abstract: A combustor includes an outer cylinder, a combustor liner, a plurality of main nozzles, an air flow channel part, and a plurality of water injection parts. The air flow channel part sends air introduced from an outside to between an inner peripheral surface of the outer cylinder and an outer peripheral surface of the combustor liner into the combustor liner. The plurality of water injection parts are provided on the inner peripheral surface of the outer cylinder at intervals in a circumferential direction around a central axis. The plurality of water injection parts inject water into the air flowing through the air flow channel part. The water injection part includes a first nozzle and a second nozzle. The first nozzle injects water to a first side in the circumferential direction. The second nozzle injects water to a second side in the circumferential direction.
    Type: Grant
    Filed: March 16, 2020
    Date of Patent: September 26, 2023
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Kozo Aoki, Toshihiko Saito
  • Publication number: 20220186929
    Abstract: A combustor includes an outer cylinder, a combustor liner, a plurality of main nozzles, an air flow channel part, and a plurality of water injection parts. The air flow channel part sends air introduced from an outside to between an inner peripheral surface of the outer cylinder and an outer peripheral surface of the combustor liner into the combustor liner. The plurality of water injection parts are provided on the inner peripheral surface of the outer cylinder at intervals in a circumferential direction around a central axis. The plurality of water injection parts inject water into the air flowing through the air flow channel part. The water injection part includes a first nozzle and a second nozzle. The first nozzle injects water to a first side in the circumferential direction. The second nozzle injects water to a second side in the circumferential direction.
    Type: Application
    Filed: March 16, 2020
    Publication date: June 16, 2022
    Inventors: Kozo AOKI, Toshihiko SAITO
  • Publication number: 20050130251
    Abstract: A reagent for determination of hydrogen peroxide which comprises (A) a compound represented by the following general formula (I): R1—NH—R2 ??(I) (wherein R1 represents a carbamoyl group or the like, and R2 represents an arylamino group, a heteroarylamino group, or a substituent represented by the following general formula (II): [wherein R3 to R6 represent X—Y—Ra {Ra represents a hydrogen atom, an alkyl group or the like, X represents a single bond, O or the like, and Y represents a single bond, (C?O) or the like}, a cyano group, a halogen atom or the like]>; (B) a compound represented by the general formula (III): [wherein R9 represents a group which can be eliminated by oxidative coupling color-developing reaction with the compound represented by the formula (I), and R7, R8, and R10 to R13 have the same meaning as that of R3], or the like; and (C) a peroxidative substance.
    Type: Application
    Filed: August 2, 2002
    Publication date: June 16, 2005
    Applicants: KYOWA MEDEX CO., LTD., FUJI PHOTO FILM CO., LTD.
    Inventors: Kazuaki Okabe, Akira Kadota, Kozo Aoki, Kazunobu Takahashi, Masami Sakurada, Kouki Nakamura
  • Patent number: 6815455
    Abstract: A benzimidazole compound or a salt thereof which has an inhibitory action of foaming of macrophages and is useful as an active ingredient of a medicament for preventive and/or therapeutic treatment of arteriosclerosis, which is represented by the formula (I): wherein R1 represents a hydrogen atom, a halogen atom, a lower alkyl group, or a lower alkoxy group; R2 represents a hydrogen atom, an alkyl group, or an acyl group; R3 represents a functional group on the ring; A represents O or CH2 or CH that forms a double bond with an adjacent carbon atom; L represents a C4-C8 alkylene group or an ethyleneoxy linking group represented by (CH2CH2O)nCH2CH2 wherein n represents 1 or 2; X represents O, S or methylene group; and m represents 0 or 1.
    Type: Grant
    Filed: June 5, 2002
    Date of Patent: November 9, 2004
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Kozo Aoki, Kazuhiro Aikawa, Masayuki Kawakami, Yongzhe Yan
  • Patent number: 6787561
    Abstract: A benzimidazole compound or a salt thereof which has an inhibitory action of forming of macrophages and is useful as an active ingredient of an orally available medicament for preventive and/or therapeutic treatment of arteriosclerosis, which is represented by the formula (I): wherein, R1 represents one or more functional groups on the benzene ring selected from the group consisting of hydrogen atom, a halogen atom, a lower alkyl group and a lower alkoxy group; R2 represents hydrogen atom, an alkyl group or an acyl group; L represents a C4-C8 alkylene group or an ethyleneoxy linking group represented as (CH2CH2O)nCH2CH2 wherein n represents 1 or 2; X represents O or NH; Y represents S or a single bond; and Q represents a 5- or 6-membered heterocyclic group which may have a functional group on the ring.
    Type: Grant
    Filed: June 5, 2002
    Date of Patent: September 7, 2004
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Kozo Aoki, Kazuhiro Aikawa, Masayuki Kawakami, Yongzhe Yan
  • Patent number: 6713473
    Abstract: A compound represented by the formula (I) [A represents a 5- to 7-membered hydrocarbon ring group; L represents —NR3—CO—, —CO—NR3— and the like (R3 represents a hydrogen atom, a lower alkyl group, a lower acyl group and the like); M represents an alkylene linking group (a carbon atom constituting the carbon chain may be replaced with a nitrogen atom, an oxygen atom and the like); X represents —S—, —O—, —NR4—, —NR5—CO— and the like (R4 and R5 represent a hydrogen atom, a lower alkyl group and the like) or a single bond; Y represents an alkyl group, an aryl group, an amino group, an aromatic heterocyclic group and the like; R1 represents a lower alkyl group, a lower alkenyl group, a lower alkynyl group or a lower acyl group; and R21, R22 and R23 represent a hydrogen atom, a hydroxyl group, a lower alkyl group and the like] or a salt thereof.
    Type: Grant
    Filed: February 19, 2002
    Date of Patent: March 30, 2004
    Assignee: Meiji Seika Kaisha, Ltd.
    Inventors: Naoyuki Nishikawa, Masaharu Sugai, Kozo Aoki, Makoto Suzuki, Akihiko Ikegawa, Kazunobu Takahashi, Fukuichi Ohsawa, Naomi Masuda, Nobukazu Kakui, Jiro Tanaka, Yuji Tabata, Kenji Asai
  • Patent number: 6593323
    Abstract: A benzimidazole compound or a salt thereof which has an inhibitory action of forming of macrophages and is useful as an active ingredient of a medicament for preventive and/or therapeutic treatment of arteriosclerosis, which is represented by the formula (I): wherein, R1 represents a functional group on the benzene ring selected from the group consisting of hydrogen atom, a halogen atom, a lower alkyl group and a lower alkoxy group; R2 represents hydrogen atom, an alkyl group or an acyl group; R3 represents a functional group on the ring containing the nitrogen atom and Z; Z represents a divalent group which forms a 5- or 6-membered ring; L represents a C4-C8 alkylene group or an ethyleneoxy linking group represented by (CH2CH2O)nCH2CH2 wherein n represents 1 or 2; and X represents O or S.
    Type: Grant
    Filed: June 3, 2002
    Date of Patent: July 15, 2003
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Kozo Aoki, Kazuhiro Aikawa, Masayuki Kawakami
  • Patent number: 6545157
    Abstract: A dye-forming method comprising: reacting a dye-forming coupler and a color developing agent precursor represented by the following general formula (I): wherein A3 represents a group other than a hydrogen atom which leaves, accompanied by the bonding electron pair with the nitrogen atom in general formula (I), to thereby form a color developing agent; A2 represents a group which leaves in association with a dye-formation; and A1 represents a group which forms a dye together with the nitrogen atom and the coupler.
    Type: Grant
    Filed: November 14, 2001
    Date of Patent: April 8, 2003
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Kensuke Morita, Shun-ichi Ishikawa, Hideaki Naruse, Koki Nakamura, Toshio Kawagishi, Tadashi Ohmatsu, Kozo Aoki
  • Publication number: 20030054281
    Abstract: A dye-forming method comprising: reacting a dye-forming coupler and a color developing agent precursor represented by the following general formula (I): 1
    Type: Application
    Filed: November 14, 2001
    Publication date: March 20, 2003
    Inventors: Kensuke Morita, Shun-ichi Ishikawa, Hideaki Naruse, Koki Nakamura, Toshio Kawagishi, Tadashi Ohmatsu, Kozo Aoki
  • Patent number: 6372416
    Abstract: A dye-forming method comprising: reacting a dye-forming coupler and a color developing agent precursor represented by the following general formula (I): wherein A3 represents a group other than a hydrogen atom which leaves, accompanied by the bonding electron pair with the nitrogen atom in general formula (I), to thereby form a color developing agent; A2 represents a group which leaves in association with a dye-formation; and A1 represents a group which forms a dye together with the nitrogen atom and the coupler.
    Type: Grant
    Filed: August 25, 2000
    Date of Patent: April 16, 2002
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Kensuke Morita, Shun-ichi Ishikawa, Hideaki Naruse, Koki Nakamura, Toshio Kawagishi, Tadashi Ohmatsu, Kozo Aoki
  • Patent number: 6288236
    Abstract: Benzimidazole compounds represented by the formula set out below and analogs thereof, wherein Y represents a single bond or sulfur atom; Z represents oxygen atom, sulfur atom, or N—R4; R1 and R2 independently represent hydrogen, a halogen atom, alkyl group or other; R3 and R4 independently represent hydrogen, alkyl group, acyl group or other; n and m independently represent an integer of 1, 2, or 3; and L represents a linking group such as C2-12 alkylene group or an alkylene group containing one or more phenylene groups or ether groups. The compounds are useful as an active ingredient of a medicament such as a preventive and therapeutic medicament for hyperlipemia or arterial sclerosis.
    Type: Grant
    Filed: October 16, 2000
    Date of Patent: September 11, 2001
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Kozo Aoki, Kazuhiro Aikawa
  • Patent number: 6174907
    Abstract: Benzimidazole compounds represented by the formula set out below and analogs thereof, wherein Y represents a single bond or sulfur atom; Z represents oxygen atom, sulfur atom, or N—R4; R1 and R2 independently represent hydrogen, a halogen atom, alkyl group or other; R3 and R4 independently represent hydrogen, alkyl group, acyl group or other; n and m independently represent an integer of 1, 2, or 3; and L represents a linking group such as C2-12 alkylene group or an alkylene group containing one or more phenylene groups or ether groups. The compounds are useful as an active ingredient of a medicament such as a preventive and therapeutic medicament for hyperlipemia or arterial sclerosis.
    Type: Grant
    Filed: September 30, 1999
    Date of Patent: January 16, 2001
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Kozo Aoki, Kazuhiro Aikawa
  • Patent number: 5998456
    Abstract: Benzimidazole compounds represented by the formula set out below and analogs thereof, wherein Y represents a single bond or sulfur atom; Z represents oxygen atom, sulfur atom, or N--R.sup.4 ; R.sup.1 and R.sup.2 independently represent hydrogen, a halogen atom, alkyl group or other; R.sup.1 and R.sup.4 independently represent hydrogen, alkyl group, acyl group or other; n and m independently represent an integer of 1, 2, or 3; and L represents a linking group such as C.sub.2-12 alkylene group or an alkylene group containing one or more phenylene groups or ether groups. The compounds are useful as an active ingredient of a medicament such as a preventive and therapeutic medicament for hyperlipemia or arterial sclerosis.
    Type: Grant
    Filed: January 16, 1998
    Date of Patent: December 7, 1999
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Kozo Aoki, Kazuhiro Aikawa
  • Patent number: 5962493
    Abstract: 2-Mercaptobenzimidazole derivatives represented by the following formulae, analogs and salts thereof are disclosed: ##STR1## These 2-mercaptobenzimidazole derivatives are useful as a medicine such as an antihyperlipemic agent or antiarteriosclerotic agent and also useful as an additive for silver halide photosensitive materials, liquid crystals and the like.
    Type: Grant
    Filed: November 21, 1997
    Date of Patent: October 5, 1999
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Kozo Aoki, Kazuhiro Aikawa
  • Patent number: 5387600
    Abstract: Disclosed are an antihyperlipidemia or antiarteriosclerosis agent comprising a certain benzimidazole or 2,2'-methylenebisphenol derivative such as 5-dodecanoylamino-2-mercaptobenzimidazole or 2,2'-isobutylidenebis(4,6-dimethyphenol).
    Type: Grant
    Filed: July 21, 1993
    Date of Patent: February 7, 1995
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Kazuhiro Aikawa, Kozo Aoki
  • Patent number: 5296111
    Abstract: A method of treating photographic processing wastes is disclosed. The method comprises (1) mixing a silver-recovery system waste and a development system waste from photographic processing to produce a waste mixture, (2) adding to said waste mixture phosphorus as a nutritive substrate in an amount corresponding to at least 2% based on the COD value of the waste mixture, and (3) subjecting the resulting waste mixture to a bio-oxidation treatment using microflora containing sulfur-oxidizing bacteria. The method enables a continuously treatment of high concentration photographic processing wastes with high efficiency over a long period of time.
    Type: Grant
    Filed: November 29, 1991
    Date of Patent: March 22, 1994
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Seiji Suzuki, Kozo Aoki, Hiroshi Ishizuka, Yoshiya Ohara
  • Patent number: 5260177
    Abstract: A silver halide color photographic light-sensitive material comprises a novel cyan dye-forming coupler or a combination of a specific cyan dye-forming coupler with an .alpha.-pivaloylacetoanilide type yellow dye-forming coupler or a pyrazoloazole type magenta dye-forming coupler, the specific cyan dye-forming coupler being contained in the silver halide emulsion layer in the form of an emulsion of lipophilic fine particles obtained by mixing the coupler with at least one water-insoluble and organic solvent-soluble homo- or co-polymer to form a dispersion. The silver halide color photographic light-sensitive material is excellent in the reproduction of yellow, magenta and cyan colors and has low fog of cyan. Thus, the light-sensitive material can provide color images excellent in the fastness of the cyan color images.The cyan dye-forming coupler is represented by general formula (II): ##STR1## wherein R.sub.1 represents an aliphatic group, an aromatic group or a heterocyclic group; R.sub.
    Type: Grant
    Filed: May 18, 1992
    Date of Patent: November 9, 1993
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Kozo Aoki, Michio Ono, Katsuyoshi Yamakawa, Shigeru Yamazaki, Kei Sakanoue, Hidetoshi Kobayashi
  • Patent number: 5212055
    Abstract: A silver halide color photographic material comprising a support having thereon at least one light-sensitive silver halide emulsion layer comprising a dispersion of silver halide grains in a binder, wherein the silver halide emulsion layer contains (a) at least one coupler represented by formula (I), (b) at least one compound represented by the formula (II), and (c) at least one compound represented by formula (III), and the photographic material contains (d) at least one compound represented by formulae (IV), (V) or (VI): ##STR1## wherein R, Y, Za, Zb and Zc each is as defined in the specification; ##STR2## wherein R.sub.1, R.sub.2, R.sub.5 and R.sub.6, and R.sub.7 each is as defined in the specification ##STR3## wherein R.sub.11, R.sub.12 and R.sub.13, R.sub.14, R.sub.15, R.sub.16 and R.sub.17 each is as defined in the specification; ##STR4## wherein R.sub.21, R.sub.22 A, B, X, Y.sub.1 and n each is as defined in the specification; andR.sub.30 --Z (VI)R.sub.
    Type: Grant
    Filed: July 18, 1990
    Date of Patent: May 18, 1993
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Masakazu Morigaki, Nobuo Seto, Kozo Aoki
  • Patent number: 5178991
    Abstract: A novel silver halide color photographic material is provided, containing at least one coupler represented by formula (C-I) and at least one compound represented by formula (A-I) or (A-II) ##STR1## wherein Q.sub.1 represents an atomic group containing at least one nitrogen atom required to form a 5- or more membered nitrogen-containing heterocyclic ring together with the carbon atoms to which it is bonded; Z.sub.1 represents a hydrogen atom or a coupling-off group; R.sub.C1 represents an acyl or sulfonyl group; and R.sub.C2 represents a hydrogen atom or a C.sub.1-8 aliphatic group, or the substituents for R.sub.C1, R.sub.C2, Z.sub.1, or Q.sub.1 form a dimeric or polymeric coupler; ##STR2## wherein R represents a hydrogen atoms, an aliphatic group, an aromatic group, a heterocyclic group, or a hydrolyzable protective group; R.sub.1, R.sub.2, R.sub.3, R.sub.4, and R.sub.
    Type: Grant
    Filed: January 7, 1991
    Date of Patent: January 12, 1993
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Masakazu Morigaki, Kozo Aoki
  • Patent number: 5162197
    Abstract: A silver halide photographic material comprising a support having thereon at least one hydrophilic colloid layer containing at least one cyan coupler forming coupler represented by the general formula (I) and at least one compound represented by the general formulas (II) or (III): ##STR1## wherein R.sub.1 represents an aliphatic group, an aromatic group, a heterocyclic group, an aromatic amino group or a heterocyclic amino group; R.sub.2, R.sub.4 and R.sub.5 each represents an aliphatic group, an aromatic group or a heterocyclic group; R.sub.3 represents a hydrogen atom, a halogen atom, an aliphatic group, an aromatic group, an acylamino group, an aliphatic oxy group or an aromatic oxy group; R.sub.2 and R.sub.3 may combine with each other to form a 5-membered, 6-membered or 7-membered ring; Z represents a hydrogen atom or a group or atom which releases upon coupling with a developing agent; L.sub.1 and L.sub.
    Type: Grant
    Filed: February 28, 1989
    Date of Patent: November 10, 1992
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Kozo Aoki, Osamu Takahashi