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: 20230348300Abstract: 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: ApplicationFiled: November 10, 2021Publication date: November 2, 2023Applicant: KAO CORPORATIONInventors: Hironori KOJIMA, Masaya FUKUDA, Hitoshi ISHIZUKA
-
Publication number: 20230249995Abstract: 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: ApplicationFiled: January 27, 2021Publication date: August 10, 2023Applicant: Kao CorporationInventors: Hironori KOJIMA, Masaya FUKUDA, Hitoshi ISHIZUKA
-
Publication number: 20230242424Abstract: 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: ApplicationFiled: January 27, 2021Publication date: August 3, 2023Applicant: KAO CORPORATIONInventors: Hironori KOJIMA, Masaya FUKUDA, Hitoshi ISHIZUKA
-
Patent number: 9339487Abstract: 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: GrantFiled: December 24, 2009Date of Patent: May 17, 2016Assignee: DAIICHI SANKYO COMPANY, LIMITEDInventors: Makoto Miyajima, Shigeru Noda, Kazuhiro Inoue, Michiko Kumon, Katsuyasu Ishida, Hitoshi Ishizuka
-
Publication number: 20160128972Abstract: 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: ApplicationFiled: December 7, 2015Publication date: May 12, 2016Applicant: DAIICHI SANKYO COMPANY, LIMITEDInventors: Makoto MIYAJIMA, Shigeru NODA, Kazuhiro INOUE, Michiko KUMON, Katsuyasu ISHIDA, Hitoshi ISHIZUKA
-
Patent number: 8691741Abstract: 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: GrantFiled: April 16, 2010Date of Patent: April 8, 2014Assignee: Kao CorporationInventors: Hitoshi Ishizuka, Kyoko Okada, Yoshiyuki Komatsu, Toshio Miyake
-
Patent number: 8568490Abstract: 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: GrantFiled: November 19, 2009Date of Patent: October 29, 2013Assignee: Kao CorporationInventors: Toshio Miyake, Hitoshi Ishizuka, Kohei Nishida, Ayako Kita
-
Publication number: 20120010118Abstract: 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: ApplicationFiled: April 16, 2010Publication date: January 12, 2012Applicant: KAO CORPORATIONInventors: Hitoshi Ishizuka, Kyoko Okada, Yoshiyuki Komatsu, Toshio Miyake
-
Publication number: 20110256188Abstract: 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: ApplicationFiled: December 24, 2009Publication date: October 20, 2011Applicant: DAIICHI SANKYO COMPANY, LIMITEDInventors: Makoto Miyajima, Shigeru Noda, Kazuhiro Inoue, Michiko Kumon, Katsuyasu Ishida, Hitoshi Ishizuka
-
Publication number: 20110224126Abstract: 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: ApplicationFiled: November 19, 2009Publication date: September 15, 2011Applicant: KAO CORPORATIONInventors: Toshio Miyake, Hitoshi Ishizuka, Kohei Nishida, Ayako Kita
-
Patent number: 7863234Abstract: 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: GrantFiled: December 26, 2006Date of Patent: January 4, 2011Assignee: Kao CorporationInventors: Masataka Maki, Yuichiro Tase, Hitoshi Ishizuka, Nobuyoshi Yamaguchi
-
Publication number: 20100308260Abstract: 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: ApplicationFiled: February 5, 2009Publication date: December 9, 2010Inventors: Masataka Maki, Yuichiro Tase, Hitoshi Ishizuka, Nobuyoshi Yamaguchi
-
Patent number: 7678753Abstract: 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: GrantFiled: November 14, 2005Date of Patent: March 16, 2010Assignee: Kao CorporationInventors: Masataka Maki, Hitoshi Ishizuka, Nobuyoshi Yamaguchi, Yuuichirou Tase
-
Publication number: 20090249557Abstract: 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: ApplicationFiled: December 26, 2006Publication date: October 8, 2009Inventors: Masataka Maki, Yuichiro Tase, Hitoshi Ishizuka, Nobuyoshi Yamaguchi
-
Publication number: 20090022812Abstract: 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: ApplicationFiled: November 14, 2005Publication date: January 22, 2009Inventors: Masataka Maki, Hitoshi Ishizuka, Nobuyoshi Yamaguchi, Yuuichirou Tase
-
Patent number: 6166215Abstract: A process for producing the compound [I] or a salt thereof having excellent pesticidal activity as shown in the following schema.Type: GrantFiled: September 8, 1999Date of Patent: December 26, 2000Assignee: Takeda Chemical Industries, Ltd.Inventors: Hideki Uneme, Hitoshi Ishizuka
-
Patent number: 6008363Abstract: A process for producing the compound [I] or a salt thereof having excellent pesticidal activity as shown in the following schema.Type: GrantFiled: February 21, 1997Date of Patent: December 28, 1999Assignee: Takeda Chemical Industries, Ltd.Inventors: Hideki Uneme, Masato Konobe, Hitoshi Ishizuka, Yasuo Kamiya
-
Patent number: 5256679Abstract: 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: GrantFiled: August 14, 1991Date of Patent: October 26, 1993Assignee: Takeda Chemical Industries, Ltd.Inventors: Isao Minamida, Yasuyuki Kando, Hitoshi Ishizuka, Tetsuo Okauchi, Hideki Uneme