Patents by Inventor Kosuke Okazaki

Kosuke Okazaki 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).

  • Publication number: 20240077809
    Abstract: An electrophotographic photoreceptor includes a conductive substrate, and a lamination type photosensitive layer disposed on the conductive substrate and including a charge generation layer and a charge transport layer, in which the charge transport layer contains a charge transport material, at least one of a polyester resin (PEz) or a polycarbonate resin (PCz) that has at least one of a structure (Z1) represented by Formula (Z1) or a structure (Z2) represented by Formula (Z2) at at least one terminal, and a resin (X) that has at least one of a unit (X1) represented by Formula (X1) or a unit (X2) represented by Formula (X2), a mass proportion of the resin (X) in a total amount of the polyester resin (PEz), the polycarbonate resin (PCz), and the resin (X) in the charge transport layer is 0.
    Type: Application
    Filed: April 13, 2023
    Publication date: March 7, 2024
    Applicant: FUJIFILM Business Innovation Corp.
    Inventors: Tomoya SASAKI, Ryosuke FUJII, Hiroko KOBAYASHI, Yuto OKAZAKI, Kosuke NARITA
  • Publication number: 20220135637
    Abstract: A method of inhibiting myostatin signaling via a myostatin splice variant-derived protein is provided. The protein and an expression system thereof are applicable to therapy for diseases in which myostatin is involved.
    Type: Application
    Filed: February 26, 2020
    Publication date: May 5, 2022
    Applicants: KNC LABORATORIES CO., LTD., Kobe Gakuin Educational Foundation
    Inventors: Masafumi MATSUO, Kosuke OKAZAKI, Kazuhiro MAETA
  • Patent number: 7589126
    Abstract: The present invention relates to a 5-amidino-2-hydroxybenzenesulfonamide derivative represented by the general formula: wherein R1 is a hydrogen atom or an optionally substituted lower alkyl group; R2 is a di(lower alkyl)amino group, a lower alkyl group, a cycloalkyl group, an optionally substituted aryl group, an optionally substituted heterocycloalkyl group, or an optionally substituted aromatic heterocyclic group; T is an oxygen atom, a sulfur atom, a sulfonyl group etc.; Q is a hydrogen atom or an optionally substituted lower alkyl group; and Z is a hydrogen atom, a hydroxy group etc., or a pharmaceutically acceptable salt thereof, which exert a potent and selective activated blood coagulation factor X inhibitory activity and is useful as an agent for the prevention or treatment of a disease occurred associating an activated blood coagulation factor X, a pharmaceutical composition comprising the same, a pharmaceutical use thereof and an intermediate thereof.
    Type: Grant
    Filed: October 27, 2006
    Date of Patent: September 15, 2009
    Assignee: Kissei Pharmaceutical Co., Ltd.
    Inventors: Kosuke Okazaki, Masahiko Uchida, Harunobu Mukaiyama, Hiroaki Kobayashi, Yuichiro Kai, Hideki Takeuchi, Kenji Yokoyama, Yoshihiro Terao, Yuji Hoyano, Hiroaki Shiohara, Norihiko Kikuchi
  • Patent number: 7217832
    Abstract: The present invention relates to a 5-amidino-2-hydroxybenzenesulfonamide derivative represented by the general formula: wherein R1 is a hydrogen atom or an optionally substituted lower alkyl group; R2 is a di(lower alkyl)amino group, a lower alkyl group, a cycloalkyl group, an optionally substituted aryl group, an optionally substituted heterocycloalkyl group, or an optionally substituted aromatic heterocyclic group; T is an oxygen atom, a sulfur atom, a sulfonyl group etc.; Q is a hydrogen atom or an optionally substituted lower alkyl group; and Z is a hydrogen atom, a hydroxy group etc., or a pharmaceutically acceptable salt thereof, which exert a potent and selective activated blood coagulation factor X inhibitory activity and is useful as an agent for the prevention or treatment of a disease occurred associating an activated blood coagulation factor X, a pharmaceutical composition comprising the same, a pharmaceutical use thereof and an intermediate thereof.
    Type: Grant
    Filed: February 23, 2006
    Date of Patent: May 15, 2007
    Assignee: Kissei Pharmaceutical Co., Ltd.
    Inventors: Kosuke Okazaki, Masahiko Uchida, Harunobu Mukaiyama, Hiroaki Kobayashi, Yuichiro Kai, Hideki Takeuchi, Kenji Yokoyama, Yoshihiro Terao, Yuji Hoyano, Hiroaki Shiohara, Norihiko Kikuchi
  • Publication number: 20070105829
    Abstract: The present invention relates to a 5-amidino-2-hydroxybenzenesulfonamide derivative represented by the general formula: wherein R1 is a hydrogen atom or an optionally substituted lower alkyl group; R2 is a di(lower alkyl)amino group, a lower alkyl group, a cycloalkyl group, an optionally substituted aryl group, an optionally substituted heterocycloalkyl group, or an optionally substituted aromatic heterocyclic group; T is an oxygen atom, a sulfur atom, a sulfonyl group etc.; Q is a hydrogen atom or an optionally substituted lower alkyl group; and Z is a hydrogen atom, a hydroxy group etc., or a pharmaceutically acceptable salt thereof, which exert a potent and selective activated blood coagulation factor X inhibitory activity and is useful as an agent for the prevention or treatment of a disease occurred associating an activated blood coagulation factor X, a pharmaceutical composition comprising the same, a pharmaceutical use thereof and an intermediate thereof.
    Type: Application
    Filed: October 27, 2006
    Publication date: May 10, 2007
    Inventors: Kosuke OKAZAKI, Masahiko Uchida, Harunobu Mukaiyama, Hiroaki Kobayashi, Yuichiro Kai, Hideki Takeuchi, Kenji Yokoyama, Yoshihiro Terao, Yuji Hoyano, Hiroaki Shiohara, Norihiko Kikuchi
  • Patent number: 7208524
    Abstract: The present invention relates to a 5-amidino-2-hydroxybenzenesulfonamide derivative represented by the general formula: wherein R1 is a hydrogen atom or an optionally substituted lower alkyl group; R2 is a di(lower alkyl)amino group, a lower alkyl group, a cycloalkyl group, an optionally substituted aryl group, an optionally substituted heterocycloalkyl group, or an optionally substituted aromatic heterocyclic group; T is an oxygen atom, a sulfur atom, a sulfonyl group etc.; Q is a hydrogen atom or an optionally substituted lower alkyl group; and Z is a hydrogen atom, a hydroxy group etc., or a pharmaceutically acceptable salt thereof, which exert a potent and selective activated blood coagulation factor X inhibitory activity and is useful as an agent for the prevention or treatment of a disease occurred associating an activated blood coagulation factor X, a pharmaceutical composition comprising the same, a pharmaceutical use thereof and an intermediate thereof.
    Type: Grant
    Filed: October 2, 2001
    Date of Patent: April 24, 2007
    Assignee: Kissei Pharmaceutical Co., Ltd.
    Inventors: Kosuke Okazaki, Masahiko Uchida, Harunobu Mukaiyama, Hiroaki Kobayashi, Yuichiro Kai, Hideki Takeuchi, Kenji Yokoyama, Yoshihiro Terao, Yuji Hoyano, Hiroaki Shiohara, Norihiko Kikuchi
  • Publication number: 20060205812
    Abstract: The present invention relates to a 5-amidino-2-hydroxybenzenesulfonamide derivative represented by the general formula: wherein R1 is a hydrogen atom or an optionally substituted lower alkyl group; R2 is a di(lower alkyl)amino group, a lower alkyl group, a cycloalkyl group, an optionally substituted aryl group, an optionally substituted heterocycloalkyl group, or an optionally substituted aromatic heterocyclic group; T is an oxygen atom, a sulfur atom, a sulfonyl group etc.; Q is a hydrogen atom or an optionally substituted lower alkyl group; and Z is a hydrogen atom, a hydroxy group etc., or a pharmaceutically acceptable salt thereof, which exert a potent and selective activated blood coagulation factor X inhibitory activity and is useful as an agent for the prevention or treatment of a disease occurred associating an activated blood coagulation factor X, a pharmaceutical composition comprising the same, a pharmaceutical use thereof and an intermediate thereof.
    Type: Application
    Filed: February 23, 2006
    Publication date: September 14, 2006
    Inventors: Kosuke Okazaki, Masahiko Uchida, Harunobu Mukaiyama, Hiroaki Kobayashi, Yuichiro Kai, Hideki Takeuchi, Kenji Yokoyama, Yoshihiro Terao, Yuji Hoyano, Hiroaki Shiohara, Norihiko Kikuchi
  • Publication number: 20060116361
    Abstract: The present invention relates to a 5-amidino-2-hydroxybenzenesulfonamide derivative represented by the general formula: wherein R1 is a hydrogen atom or an optionally substituted lower alkyl group; R2 is a di(lower alkyl)amino group, a lower alkyl group, a cycloalkyl group, an optionally substituted aryl group, an optionally substituted heterocycloalkyl group, or an optionally substituted aromatic heterocyclic group; T is an oxygen atom, a sulfur atom, a sulfonyl group etc.; Q is a hydrogen atom or an optionally substituted lower alkyl group; and Z is a hydrogen atom, a hydroxy group etc., or a pharmaceutically acceptable salt thereof, which exert a potent and selective activated blood coagulation factor X inhibitory activity and is useful as an agent for the prevention or treatment of a disease occurred associating an activated blood coagulation factor X, a pharmaceutical composition comprising the same, a pharmaceutical use thereof and an intermediate thereof.
    Type: Application
    Filed: October 2, 2001
    Publication date: June 1, 2006
    Inventors: Kosuke Okazaki, Masahiko Uchida, Harunobu Mukaiyama, Hiroaki Kobayashi, Yuichiro Kai, Hideki Takeuchi, Kenji Yokoyama, Yoshihiro Terao, Yuji Hoyano, Hiroaki Shiohara, Norihiko Kikuchi
  • Publication number: 20060111446
    Abstract: The present invention relates to a 5-amidino-N-(2-aminophenethyl)-2-hydroxybenzenesulfonamide derivative represented by the general formula: wherein R1 is a hydrogen atom or a lower alkyl group; R2 represents a hydrogen atom, an optionally substituted lower alkyl group, etc.; R3 is a di(lower alkyl)amino group, a lower alkyl group, a cycloalkyl group, etc.; Q is a hydrogen atom or an optionally substituted lower alkyl group; and Z is a hydrogen atom or a hydroxy group, etc., or a pharmaceutically acceptable salt thereof, which exerts a potent and selective activated blood coagulation factor X inhibitory activity and is useful as an agent for the prevention or treatment of a disease occurred associating an activated blood coagulation factor X, a pharmaceutical composition comprising the same, a pharmaceutical use thereof and an intermediate thereof.
    Type: Application
    Filed: October 11, 2005
    Publication date: May 25, 2006
    Inventors: Kosuke Okazaki, Masahiko Uchida, Hiroaki Kobayashi, Yuichiro Kai, Hideki Takeuchi, Kenji Yokoyama, Yoshihiro Terao, Ritsu Suzuki
  • Patent number: 7022689
    Abstract: The present invention relates to a 5-amidino-N-(2-aminophenethyl)-2-hydroxybenzenesulfonamide derivative represented by the general formula: wherein R1 is a hydrogen atom or a lower alkyl group; R2 represents a hydrogen atom, an optionally substituted lower alkyl group, etc.; R3 is a di(lower alkyl)amino group, a lower alkyl group, a cycloalkyl group, etc.; Q is a hydrogen atom or an optionally substituted lower alkyl group; and Z is a hydrogen atom or a hydroxy group, etc., or a pharmaceutically acceptable salt thereof, which exerts a potent and selective activated blood coagulation factor X inhibitory activity and is useful as an agent for the prevention or treatment of a disease occurred associating an activated blood coagulation factor X, a pharmaceutical composition comprising the same, a pharmaceutical use thereof and an intermediate thereof.
    Type: Grant
    Filed: August 8, 2002
    Date of Patent: April 4, 2006
    Assignee: Kissei Pharmaceutical Co., Ltd.
    Inventors: Kosuke Okazaki, Masahiko Uchida, Hiroaki Kobayashi, Yuichiro Kai, Hideki Takeuchi, Kenji Yokoyama, Yoshihiro Terao, Ritsu Suzuki
  • Publication number: 20040242455
    Abstract: The present invention relates to a 5-amidino-N-(2-aminophenethyl)-2-hydroxybenzenesulfonamide derivative represented by the general formula: 1
    Type: Application
    Filed: February 6, 2004
    Publication date: December 2, 2004
    Inventors: Kosuke Okazaki, Masahiko Uchida, Hiroaki Kobayashi, Yuichiro Kai, Hideki Takeuchi, Kenji Yokoyama, Yoshiro Terao, Ritsu Suzuki
  • Patent number: 6136852
    Abstract: The present invention relates to 3,4-disubstituted phenylethanolaminotetralincarboxylic acid derivatives represented by the general formula: ##STR1## [wherein Q represents a vinylene group or a group represented by the general formula:-A-(CH.sub.2).sub.m --(wherein A represents an oxygen atom or a methylene group; and m is an integer of from 1 to 6); R represents a hydrogen atom or a lower alkyl group; n is an integer of 1 or 2; the carbon atom marked with * represents a carbon atom in R configuration, S configuration or a mixture thereof; and the carbon atom marked with (S) represents a carbon atom in S configuration] and pharmaceutically acceptable salts thereof, which have a selective .beta..sub.2 -adrenergic receptor stimulating effect with relieved burdens on the heart such as tachycardia and are useful as an agent for the prevention of threatened abortion and premature labor, a bronchodilator and an agent for pain remission and promoting stone removal in urolithiasis.
    Type: Grant
    Filed: March 8, 1999
    Date of Patent: October 24, 2000
    Assignee: Kissei Pharmaceutical Co., Ltd.
    Inventors: Makio Kitazawa, Kosuke Okazaki, Tetsuro Tamai, Masaru Saito, Nobuyuki Tanaka, Hiroaki Kobayashi, Ken Kikuchi, Hideyuki Muranaka
  • Patent number: 6133266
    Abstract: The present invention relates to 3,4-disubstituted phenylethanolaminotetralincarboxamide derivatives represented by the general formula: ##STR1## (wherein A represents a lower alkylene group; B represents an amino group, a di(lower alkyl)amino group or a 3 to 7-membered alicyclic amino group which may contain an oxygen atom in the ring; n is an integer of 1 or 2; the carbon atom marked with * represents a carbon atom in R configuration, S configuration or a mixture thereof; and the carbon atom marked with (S) represents a carbon atom in S configuration) and pharmaceutically acceptable salts thereof, which have a selective .beta..sub.2 -adrenergic receptor stimulating effect with relieved burdens on the heart such as tachycardia and are useful as an agent for the prevention of threatened abortion and premature labor, a bronchodilator and an agent for pain remission and stone removal in urolithiasis.
    Type: Grant
    Filed: February 10, 1999
    Date of Patent: October 17, 2000
    Assignee: Kissei Pharmaceutical Co., Ltd.
    Inventors: Makio Kitazawa, Kosuke Okazaki, Tetsuro Tamai, Masaru Saito, Nobuyuki Tanaka, Hiroaki Kobayashi, Ken Kikuchi, Hideyuki Muranaka
  • Patent number: 6046192
    Abstract: The present invention relates to a phenylethanolaminotetralincarboxamide derivative represented by the general formula: ##STR1## (wherein A represents a lower alkylene group; B represents an amino group, a di(lower alkyl)amino group or a 3 to 7-membered alicyclic amino group which may contain an oxygen atom in the ring; the carbon atom marked with * represents a carbon atom in (R) configuration, (S) configuration or a mixture thereof; and the carbon atom marked with (S) represents a carbon atom in (S) configuration) and a pharmaceutically acceptable salt thereof, which have a selective .beta..sub.2 -adrenergic receptor stimulating effect with relieved burdens on the heart such as tachycardia and are useful as an agent for the prevention of threatened abortion and premature labor, a bronchodilator, and an agent for pain remission and promoting stone removal in urolithiasis.
    Type: Grant
    Filed: March 8, 1999
    Date of Patent: April 4, 2000
    Assignee: Kissei Pharmaceutical Co., Ltd.
    Inventors: Makio Kitazawa, Kosuke Okazaki, Tetsuro Tamai, Masaru Saito, Nobuyuki Tanaka, Hiroaki Kobayashi, Ken Kikuchi, Hideyuki Muranaka
  • Patent number: 5387603
    Abstract: Indoline compounds represented by the formula: ##STR1## wherein R represents a saturated or unsaturated aliphatic acyl group which may have one or more halogen atoms, a hydroxy group, a lower alkoxy group, a carboxy group, a lower alkoxycarbonyl group, a cycloalkyl group or an aryl group as substituents; a hydroxyalkyl group; an aliphatic acyloxyalkyl group; a lower alkyl group having a lower alkoxy group, a carboxy group, a lower alkoxycarbonyl group, an aryl substituted lower alkoxycarbonyl group, a carbamoyl group, a mono- or dialkyl substituted carbamoyl group or a cyano group as substituents; an aromatic acyl group which may have one or more halogen atoms as substituents; a furoyl group or a pyridylcarbonyl group; R.sup.
    Type: Grant
    Filed: December 1, 1993
    Date of Patent: February 7, 1995
    Assignee: Kissei Pharmaceutical Co., Ltd.
    Inventors: Makio Kitazawa, Masaaki Ban, Kosuke Okazaki, Motoyasu Ozawa, Toshikazu Yazaki, Ryoichi Yamagishi