Patents by Inventor Hitoshi Ishizuka

Hitoshi Ishizuka 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: 20230348300
    Abstract: A water treatment agent containing (a) an inorganic flocculating agent, (b) a polymeric flocculating agent, and (c) a non-swellable aluminosilicate compound with a volume swelling ratio of 120% or less is described. The volume swelling ratio of the component (c) is determined by the following formula: volume swelling ratio (%)=(L1/L2)×100, where L1 represents a volume of the component (c) 24 hours after adding 0.5 g of the component (c) to 50 ml of ion exchange water at 25° C., and L2 represents an apparent volume of 0.5 g of the component (c) in the air.
    Type: Application
    Filed: November 10, 2021
    Publication date: November 2, 2023
    Applicant: KAO CORPORATION
    Inventors: Hironori KOJIMA, Masaya FUKUDA, Hitoshi ISHIZUKA
  • Publication number: 20230249995
    Abstract: The present invention is a water treatment agent containing (a) a polyalkylene oxide with a weight average molecular weight of 500,000 or more and (b) an inorganic flocculating agent.
    Type: Application
    Filed: January 27, 2021
    Publication date: August 10, 2023
    Applicant: Kao Corporation
    Inventors: Hironori KOJIMA, Masaya FUKUDA, Hitoshi ISHIZUKA
  • Publication number: 20230242424
    Abstract: The present invention is a water treatment agent containing (a) a polymeric flocculating agent, (b) an inorganic flocculating agent and (c) a surfactant, wherein the water treatment agent contains (c) in an amount of more than 50 parts by mass and 10,000 parts by mass or less relative to 1,000 parts by mass of (b).
    Type: Application
    Filed: January 27, 2021
    Publication date: August 3, 2023
    Applicant: KAO CORPORATION
    Inventors: Hironori KOJIMA, Masaya FUKUDA, Hitoshi ISHIZUKA
  • Patent number: 9339487
    Abstract: There is provided a dry powder pharmaceutical composition for inhalation useful for preventing and/or treating influenza virus infections contains as a medicinal component a compound represented by formula (I): and optionally a compound represented by formula (II): a pharmacologically acceptable salt thereof, or a hydrate thereof.
    Type: Grant
    Filed: December 24, 2009
    Date of Patent: May 17, 2016
    Assignee: DAIICHI SANKYO COMPANY, LIMITED
    Inventors: Makoto Miyajima, Shigeru Noda, Kazuhiro Inoue, Michiko Kumon, Katsuyasu Ishida, Hitoshi Ishizuka
  • Publication number: 20160128972
    Abstract: A method for preventing an influenza virus infection by administering by inhalation to a patient a pharmaceutically effective amount of a dry powder composition containing a first lactose hydrate and a second lactose hydrate.
    Type: Application
    Filed: December 7, 2015
    Publication date: May 12, 2016
    Applicant: DAIICHI SANKYO COMPANY, LIMITED
    Inventors: Makoto MIYAJIMA, Shigeru NODA, Kazuhiro INOUE, Michiko KUMON, Katsuyasu ISHIDA, Hitoshi ISHIZUKA
  • Patent number: 8691741
    Abstract: The present invention provides a liquid detergent composition containing the following components (a) to (c), wherein the total content of components (a) to (c), (a)+(b)+(c), is 40 to 90% by mass; a mass ratio of components (a) to (b), (a)/(b), is 25/75 to 90/10; and a mass ratio [(a)+(b)]/(c), is 95/5 to 70/30: component (a): 15 to 75% by mass of a nonionic surfactant produced by adding p1 mol of ethylene oxide to a compound represented by R—OH (wherein, R represents a hydrocarbon group having 8 to 18 carbon atoms), then adding q1 mol of an alkylene oxide having 3 to 5 carbon atoms, and then adding p2 mol of ethylene oxide, wherein p1 is the number of 3 to 30, q1 is the number of 1 to 5, and p1+p2 is 14 to 50, component (b): anionic surfactant, component (c): cationic surfactant, component (d): 5 to 40% by mass of water-miscible organic solvent.
    Type: Grant
    Filed: April 16, 2010
    Date of Patent: April 8, 2014
    Assignee: Kao Corporation
    Inventors: Hitoshi Ishizuka, Kyoko Okada, Yoshiyuki Komatsu, Toshio Miyake
  • Patent number: 8568490
    Abstract: The invention provides a liquid detergent composition containing (a) a nonionic surfactant obtained by adding ethylene oxide and an alkylene oxide with from 3 to 5 carbon atoms to a compound represented by R—OH (wherein R represents an alkyl group or an alkenyl group with from 8 to 18 carbon atoms) under a specified condition, (b) an anionic surfactant and (c) a water-miscible organic solvent in specified ratios, respectively.
    Type: Grant
    Filed: November 19, 2009
    Date of Patent: October 29, 2013
    Assignee: Kao Corporation
    Inventors: Toshio Miyake, Hitoshi Ishizuka, Kohei Nishida, Ayako Kita
  • Publication number: 20120010118
    Abstract: The present invention provides a liquid detergent composition containing the following components (a) to (c), wherein the total content of components (a) to (c), (a)+(b)+(c), is 40 to 90% by mass; a mass ratio of components (a) to (b), (a)/(b), is 25/75 to 90/10; and a mass ratio [(a)+(b)]/(c), is 95/5 to 70/30: component (a): 15 to 75% by mass of a nonionic surfactant produced by adding p1 mol of ethylene oxide to a compound represented by R—OH (wherein, R represents a hydrocarbon group having 8 to 18 carbon atoms), then adding q1 mol of an alkylene oxide having 3 to 5 carbon atoms, and then adding p2 mol of ethylene oxide, wherein p1 is the number of 3 to 30, q1 is the number of 1 to 5, and p1+p2 is 14 to 50, component (b): anionic surfactant, component (c): cationic surfactant, component (d): 5 to 40% by mass of water-miscible organic solvent.
    Type: Application
    Filed: April 16, 2010
    Publication date: January 12, 2012
    Applicant: KAO CORPORATION
    Inventors: Hitoshi Ishizuka, Kyoko Okada, Yoshiyuki Komatsu, Toshio Miyake
  • Publication number: 20110256188
    Abstract: There is provided a dry powder pharmaceutical composition for inhalation useful for preventing and/or treating influenza virus infections contains as a medicinal component a compound represented by formula (I): and optionally a compound represented by formula (II): , a pharmacologically acceptable salt thereof, or a hydrate thereof.
    Type: Application
    Filed: December 24, 2009
    Publication date: October 20, 2011
    Applicant: DAIICHI SANKYO COMPANY, LIMITED
    Inventors: Makoto Miyajima, Shigeru Noda, Kazuhiro Inoue, Michiko Kumon, Katsuyasu Ishida, Hitoshi Ishizuka
  • Publication number: 20110224126
    Abstract: The invention provides a liquid detergent composition containing (a) a nonionic surfactant obtained by adding ethylene oxide and an alkylene oxide with from 3 to 5 carbon atoms to a compound represented by R—OH (wherein R represents an alkyl group or an alkenyl group with from 8 to 18 carbon atoms) under a specified condition, (b) an anionic surfactant and (c) a water-miscible organic solvent in specified ratios, respectively.
    Type: Application
    Filed: November 19, 2009
    Publication date: September 15, 2011
    Applicant: KAO CORPORATION
    Inventors: Toshio Miyake, Hitoshi Ishizuka, Kohei Nishida, Ayako Kita
  • Patent number: 7863234
    Abstract: The present invention relates to a liquid detergent composition containing (a) hydrogen peroxide or a compound forming hydrogen peroxide in water, 0.1 to 10 mass % of (b) a bleaching activator, 45 to 80 mass % of (c) a nonionic surfactant, (d) water, (e) at least one or more compounds selected from boric acid, borax and borate, and (f) a polyol compound, said liquid detergent composition having a pH value of 4 to 7 at 20° C.
    Type: Grant
    Filed: December 26, 2006
    Date of Patent: January 4, 2011
    Assignee: Kao Corporation
    Inventors: Masataka Maki, Yuichiro Tase, Hitoshi Ishizuka, Nobuyoshi Yamaguchi
  • Publication number: 20100308260
    Abstract: The present invention relates to a liquid bleaching agent composition containing (a) hydrogen peroxide, (b1) a nonionic surfactant, (b2) an anionic surfactant, (c) a bleaching activator, (d) at least one compound selected from boric acid, borax and a borate, and (e) a compound having one or more groups in which a hydroxyl group is present on each of the adjacent carbon atoms to each other, wherein the respective contents of component (b1), component (b2) and the mass ratio of component (b2) to component (b1) are all within a specific range and the composition has pH 2.5-4.5 at 20° C.
    Type: Application
    Filed: February 5, 2009
    Publication date: December 9, 2010
    Inventors: Masataka Maki, Yuichiro Tase, Hitoshi Ishizuka, Nobuyoshi Yamaguchi
  • Patent number: 7678753
    Abstract: A liquid detergent composition containing (a) hydrogen peroxide or a compound for forming hydrogen peroxide in water, (b) a compound selected from boric acid, borax, a boric acid salt in an amount of from 0.05 to 1% by mass as a boron atom, (c) a compound having one or more sites, the site having one hydroxyl group at each of both sides of adjacent carbon atoms, in an amount of from 3 to 35% by mass, (d) a surfactant in an amount of from 4 to 45% by mass, and (e) water, wherein the molar ratio of the component (c)/the component (b) is from 1.5 to 2.7, and wherein the detergent composition has a pH at 20° C. of from 4.6 to 7.0.
    Type: Grant
    Filed: November 14, 2005
    Date of Patent: March 16, 2010
    Assignee: Kao Corporation
    Inventors: Masataka Maki, Hitoshi Ishizuka, Nobuyoshi Yamaguchi, Yuuichirou Tase
  • Publication number: 20090249557
    Abstract: The present invention relates to a liquid detergent composition containing (a) hydrogen peroxide or a compound forming hydrogen peroxide in water, 0.1 to 10 mass % of (b) a bleaching activator, 45 to 80 mass % of (c) a nonionic surfactant, (d) water, (e) at least one or more compounds selected from boric acid, borax and borate, and (f) a polyol compound, said liquid detergent composition having a pH value of 4 to 7 at 20° C.
    Type: Application
    Filed: December 26, 2006
    Publication date: October 8, 2009
    Inventors: Masataka Maki, Yuichiro Tase, Hitoshi Ishizuka, Nobuyoshi Yamaguchi
  • Publication number: 20090022812
    Abstract: A liquid detergent composition containing (a) hydrogen peroxide or a compound for forming hydrogen peroxide in water, (b) a compound selected from boric acid, borax, a boric acid salt in an amount of from 0.05 to 1% by mass as a boron atom, (c) a compound having one or more sites, the site having one hydroxyl group at each of both sides of adjacent carbon atoms, in an amount of from 3 to 35% by mass, (d) a surfactant in an amount of from 4 to 45% by mass, and (e) water, wherein the molar ratio of the component (c)/the component (b) is from 1.5 to 2.7, and wherein the detergent composition has a pH at 20° C. of from 4.6 to 7.0.
    Type: Application
    Filed: November 14, 2005
    Publication date: January 22, 2009
    Inventors: Masataka Maki, Hitoshi Ishizuka, Nobuyoshi Yamaguchi, Yuuichirou Tase
  • Patent number: 6166215
    Abstract: A process for producing the compound [I] or a salt thereof having excellent pesticidal activity as shown in the following schema.
    Type: Grant
    Filed: September 8, 1999
    Date of Patent: December 26, 2000
    Assignee: Takeda Chemical Industries, Ltd.
    Inventors: Hideki Uneme, Hitoshi Ishizuka
  • Patent number: 6008363
    Abstract: A process for producing the compound [I] or a salt thereof having excellent pesticidal activity as shown in the following schema.
    Type: Grant
    Filed: February 21, 1997
    Date of Patent: December 28, 1999
    Assignee: Takeda Chemical Industries, Ltd.
    Inventors: Hideki Uneme, Masato Konobe, Hitoshi Ishizuka, Yasuo Kamiya
  • Patent number: 5256679
    Abstract: Novel substituted nitroguanidine derivatives and salts thereof having the following formula: ##STR1## wherein R.sup.1 is a substituted or unsubstituted heterocyclic group; R.sup.2 is a group attached through a sulfur atom, a group attached through a phosphorus atom, cyano, --CO--OR.sup.6 wherein R.sup.6 is a substituted or unsubstituted hydrocarbon group or a substituted or unsubstituted heterocyclic group, or --CO--NR.sup.7 R.sup.8 wherein R.sup.7 and R.sup.8, which are the same or different, are each independently hydrogen, a substituted or unsubstituted hydrocarbon group or a substituted or unsubstituted heterocyclic group, or R.sup.7 and R.sup.8, taken together with the nitrogen atom to which they are attached are a cyclic amino group; R.sup.3 is hydrogen, a substituted or unsubstituted hydrocarbon group (except for one substituted with an oxo group at the binding site), a group attached through a sulfur atom, a group attached through a phosphorus atom, cyano, --CO--R.sup.9 wherein R.sup.
    Type: Grant
    Filed: August 14, 1991
    Date of Patent: October 26, 1993
    Assignee: Takeda Chemical Industries, Ltd.
    Inventors: Isao Minamida, Yasuyuki Kando, Hitoshi Ishizuka, Tetsuo Okauchi, Hideki Uneme