Patents Assigned to Sato Pharmaceutical Co., Ltd.
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Publication number: 20250074906Abstract: The present invention provides a compound having a hematopoietic prostaglandin D synthase (H-PGDS) inhibitory activity and being useful for preventing or treating a disease involving the enzyme, and a pharmaceutical composition comprising the compound. Specifically, the present invention provides a compound represented by Formula (I) below or a pharmaceutically acceptable salt thereof: [wherein —X? represents —CH? or the like; ?Y— represents ?CH— or the like; R1 and R2 each independently represent a hydrogen atom or the like; R3 represents a hydrogen atom or the like; and Z is a group represented by Formula (II): (wherein the wavy line represents the point of attachment to the nitrogen atom; ring Z1 represents a C6-10 aryl group or the like; m represents 0, 1, or 2; and R4 represents a halogen atom or the like.Type: ApplicationFiled: December 16, 2022Publication date: March 6, 2025Applicant: SATO PHARMACEUTICAL CO., LTD.Inventors: Motoaki BABA, Takuma OKUI, Yoshiki ITOH
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Publication number: 20240269123Abstract: The present invention is to provide a means for promoting muscle regeneration from muscle damage. According to the present invention, the muscle regeneration from muscle damage is promoted by using a compound having histamine H receptor agonist activity (except for histamine) or a salt thereof is used as an active ingredient.Type: ApplicationFiled: May 27, 2022Publication date: August 15, 2024Applicants: SATO PHARMACEUTICAL CO., LTD., Keio UniversityInventors: Kazumasa OKUBO, Yoshiki ITOH, Masaya NAKAMURA, Osahiko TSUJI, Keisuke HORIUCHI
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Publication number: 20240269122Abstract: The purpose of the present invention is to provide: a composition for treating acute rhinitis and allergic rhinitis: and a method for treating acute rhinitis and allergic rhinitis. Specifically, the present invention pertains to a composition that comprises, per 100 mL of the composition, chlorpheniramine or a pharmaceutically acceptable salt thereof in an amount of 200-1000 mg as expressed in terms of chlorpheniramine maleate, and oxymetazoline or a pharmaceutically acceptable salt thereof in an amount of 10-100 mg as expressed in terms of oxymetazoline hydrochloride; and a method for treating acute rhinitis and allergic rhinitis by spraying the composition into a nostril once a day or twice a per day at an interval of 10 hours or more.Type: ApplicationFiled: April 17, 2024Publication date: August 15, 2024Applicant: SATO PHARMACEUTICAL CO., LTD.Inventor: Yoshitoshi KOYAMA
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Publication number: 20230339937Abstract: The present invention provides a compound having a hematopoietic prostaglandin D synthase (H-PGDS) inhibitory activity and being useful for preventing or treating a disease involving the enzyme, and a pharmaceutical composition comprising the compound. Specifically, the present invention provides a compound represented by Formula (I) below or a pharmaceutically acceptable salt thereof: [wherein R1 represents a hydrogen atom and the like, R2 represents a hydrogen atom and the like, R3 represents a hydrogen atom and the like, R4 represents a hydrogen atom and the like, R5 represents a hydrogen atom and the like, W represents an oxygen atom and the like, and X represents a C1-6 alkyl group and the like.Type: ApplicationFiled: June 18, 2021Publication date: October 26, 2023Applicant: SATO PHARMACEUTICAL CO., LTD.Inventors: Motoaki BABA, Takuma OKUI, Yoshiki ITOH
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Patent number: 11738006Abstract: The present invention provides a technique that allows a pharmaceutical composition, preferably for external use, containing luliconazole or the like to contain luliconazole or the like at a high concentration, and suppresses the precipitation thereof over time. The present invention uses a polyethylene glycol having an average molecular weight of 380 to 420 represented by a formula HOCH2(CH2OCH2)nCH2OH (where n is an integer), ethanol, benzyl alcohol, lactic acid, propylene carbonate, and acetone in combination with the luliconazole or the like.Type: GrantFiled: December 17, 2020Date of Patent: August 29, 2023Assignee: SATO PHARMACEUTICAL CO., LTD.Inventors: Masahiro Ito, Kiyotaka Matsui, Masami Inuma
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Patent number: 11560602Abstract: The present invention has an object to provide a simpler and quicker method for diagnosing tinea, method for detecting a Trichophyton, or method for detecting the Trichophyton gene. Use of at least four kinds of specific primers each designed based on a DNA sequence of the Trichophyton gene makes it possible to simply and quickly detect the Trichophyton gene.Type: GrantFiled: February 15, 2019Date of Patent: January 24, 2023Assignees: SATO PHARMACEUTICAL CO., LTD., TEIKYO UNIVERSITYInventors: Koichi Makimura, Kazuo Satoh, Yoshiharu Miyajima
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Publication number: 20220249440Abstract: The present invention is to provide a means for promoting muscle regeneration from muscle damage. According to the present invention, the muscle regeneration from muscle damage is promoted by using a compound having 5-HT2B receptor agonist activity or a salt thereof is used as an active ingredient.Type: ApplicationFiled: June 25, 2020Publication date: August 11, 2022Applicants: SATO PHARMACEUTICAL CO., LTD., KEIO UNIVERSITYInventors: Kazumasa OKUBO, Kazuki YUASA, Yoshiki ITOH, Masaya NAKAMURA, Keisuke HORIUCHI
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Patent number: 11299329Abstract: An application container (1) includes a container main body (2); an inner plug member (20); and an impregnation material (30). The inner plug member (20) includes an impregnation material accommodating portion (21), and a valve body accommodating portion (22) which includes a valve seat (22a) on an impregnation material accommodating portion (21) side and a valve body support portion (22b) on a container main body (2) side and in which a valve body (22c) is disposed so as to be movable between the valve seat (22a) and the valve body support portion (22b). A communication groove (50) which forms a gap between the valve body (22c) and the valve body accommodating portion (22) in a state where the valve body (22c) is supported by the valve body support portion (22b) is formed.Type: GrantFiled: May 27, 2019Date of Patent: April 12, 2022Assignee: Sato Pharmaceutical Co., Ltd.Inventor: Kota Sakata
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Patent number: 11084792Abstract: The present invention provides a method for producing a difluoromethylene compound and an intermediate thereof, which are useful in the field of pharmaceuticals. Specifically provided is a method for producing a difluoromethylene compound, including a step of allowing a compound represented by formula (6): [wherein L1 represents a halogen atom, a cyano group, a lower alkyl group, a halo-lower alkyl group, a cycloalkyl group, a lower alkoxy group, a halo-lower alkoxy group, or a hydroxy lower alkyl group; R1 represents a lower alkyl group, a halogen atom, a halo-lower alkyl group, a cycloalkyl group, a cyano group, or a hydroxy lower alkyl group; and W represents a nitrogen atom or a methine group] to react with a compound represented by formula (7): [wherein R2 represents a lower alkyl group, a halo-lower alkyl group, a cycloalkyl group, a lower alkenyl group, or an aralkyl group; and R3 represents a chlorine atom, a bromine atom, or an iodine atom].Type: GrantFiled: April 27, 2018Date of Patent: August 10, 2021Assignee: SATO PHARMACEUTICAL CO., LTD.Inventors: Keita Nagai, Toshihiko Ozaki
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Publication number: 20210220338Abstract: The present invention provides a technique that allows a pharmaceutical composition, preferably for external use, containing luliconazole or the like to contain luliconazole or the like at a high concentration, and suppresses the precipitation thereof over time. The present invention uses a polyethylene glycol having an average molecular weight of 380 to 420 represented by a formula HOCH2(CH2OCH2)nCH2OH (where n is an integer), ethanol, benzyl alcohol, lactic acid, propylene carbonate, and acetone in combination with the luliconazole or the like.Type: ApplicationFiled: December 17, 2020Publication date: July 22, 2021Applicant: SATO PHARMACEUTICAL CO., LTD.Inventors: Masahiro Ito, Kiyotaka Matsui, Masami Inuma
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Publication number: 20210046052Abstract: The present invention provides a technique that allows a pharmaceutical composition, preferably for external use, containing luliconazole or the like to contain luliconazole or the like at a high concentration, and suppresses the precipitation thereof over time. The present invention uses a polyethylene glycol having an average molecular weight of 380 to 420 represented by a formula HOCH2(CH2OCH2)nCH2OH (where n is an integer), ethanol, benzyl alcohol, lactic acid, propylene carbonate, and acetone in combination with the luliconazole or the like.Type: ApplicationFiled: December 30, 2019Publication date: February 18, 2021Applicant: SATO PHARMACEUTICAL CO., LTD.Inventors: Masahiro ITO, Kiyotaka MATSUI, Masami INUMA
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Patent number: 10898470Abstract: The present invention provides a technique that allows a pharmaceutical composition, preferably for external use, containing luliconazole or the like to contain luliconazole or the like at a high concentration, and suppresses the precipitation thereof over time. The present invention uses a polyethylene glycol having an average molecular weight of 380 to 420 represented by a formula HOCH2(CH2OCH2)nCH2OH (where n is an integer), ethanol, benzyl alcohol, lactic acid, propylene carbonate, and acetone in combination with the luliconazole or the like.Type: GrantFiled: December 30, 2019Date of Patent: January 26, 2021Assignee: SATO PHARMACEUTICAL CO., LTD.Inventors: Masahiro Ito, Kiyotaka Matsui, Masami Inuma
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Publication number: 20200385820Abstract: The present invention has an object to provide a simpler and quicker method for diagnosing tinea, method for detecting a Trichophyton, or method for detecting the Trichophyton gene. Use of at least four kinds of specific primers each designed based on a DNA sequence of the Trichophyton gene makes it possible to simply and quickly detect the Trichophyton gene.Type: ApplicationFiled: February 15, 2019Publication date: December 10, 2020Applicants: SATO PHARMACEUTICAL CO., LTD., TEIKYO UNIVERSITYInventors: Koichi MAKIMURA, Kazuo SATOH, Yoshiharu MIYAJIMA
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Publication number: 20200190038Abstract: The present invention provides a method for producing a difluoromethylene compound and an intermediate thereof, which are useful in the field of pharmaceuticals. Specifically provided is a method for producing a difluoromethylene compound, including a step of allowing a compound represented by formula (6): [wherein L1 represents a halogen atom, a cyano group, a lower alkyl group, a halo-lower alkyl group, a cycloalkyl group, a lower alkoxy group, a halo-lower alkoxy group, or a hydroxy lower alkyl group; R1 represents a lower alkyl group, a halogen atom, a halo-lower alkyl group, a cycloalkyl group, a cyano group, or a hydroxy lower alkyl group; and W represents a nitrogen atom or a methine group] to react with a compound represented by formula (7): [wherein R2 represents a lower alkyl group, a halo-lower alkyl group, a cycloalkyl group, a lower alkenyl group, or an aralkyl group; and R3 represents a chlorine atom, a bromine atom, or an iodine atom].Type: ApplicationFiled: April 27, 2018Publication date: June 18, 2020Applicant: SATO PHARMACEUTICAL CO., LTD.Inventors: Keita NAGAI, Toshihiko OZAKI
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Patent number: 9650380Abstract: A compound having an URAT1 inhibitory activity, and an URAT1 inhibitor, a blood uric acid level-reducing agent and a pharmaceutical composition containing the compound. More specifically, a compound represented by the formula (I): wherein R1 is -Q1-A1 or the like; R2 is a hydrogen atom, a halogen atom, a lower alkyl group or the like; W1, W2, W3 and W4 are each independently a nitrogen atom or a methine group optionally having substituents, or the like; X and Y are each a single bond, an oxygen atom or the like; Z is a hydroxyl group or COOR3 or the like.Type: GrantFiled: October 27, 2016Date of Patent: May 16, 2017Assignee: SATO PHARMACEUTICAL CO., LTD.Inventors: Keita Nagai, Motoaki Baba, Shinichi Fujioka, Koh Nagasawa, Hirobumi Takahashi, Eri Kondoh, Sachie Sogo, Kenichi Tanaka, Yoshiki Itoh
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Publication number: 20170044158Abstract: A compound having an URAT1 inhibitory activity, and an URAT1 inhibitor, a blood uric acid level-reducing agent and a pharmaceutical composition containing the compound. More specifically, a compound represented by the formula (I): wherein R1 is -Q1-A1 or the like; R2 is a hydrogen atom, a halogen atom, a lower alkyl group or the like; W1, W2, W3 and W4 are each independently a nitrogen atom or a methine group optionally having substituents, or the like; X and Y are each a single bond, an oxygen atom or the like; Z is a hydroxyl group or COOR3 or the like.Type: ApplicationFiled: October 27, 2016Publication date: February 16, 2017Applicant: SATO PHARMACEUTICAL CO., LTD.Inventors: Keita NAGAI, Motoaki BABA, Shinichi FUJIOKA, Koh NAGASAWA, Hirobumi TAKAHASHI, Eri KONDOH, Sachie SOGO, Kenichi TANAKA, Yoshiki ITOH
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Patent number: 9512119Abstract: The present invention relates to a compound having an URAT1 inhibitory activity, and to an URAT1 inhibitor, a blood uric acid level-reducing agent and a pharmaceutical composition containing the compound. More specifically, the present invention relates to a compound represented by the formula (I): wherein R1 is -Q1-A1 or the like; R2 is a hydrogen atom, a halogen atom, a lower alkyl group or the like; W1, W2, W3 and W4 are each independently a nitrogen atom or a methine group optionally having substituents, or the like; X and Y are each a single bond, an oxygen atom or the like; Z is a hydroxyl group or COOR3 or the like.Type: GrantFiled: July 26, 2013Date of Patent: December 6, 2016Assignee: SATO PHARMACEUTICAL CO., LTD.Inventors: Keita Nagai, Motoaki Baba, Shinichi Fujioka, Koh Nagasawa, Hirobumi Takahashi, Eri Kondoh, Sachie Sogo, Kenichi Tanaka, Yoshiki Itoh
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Patent number: 9359350Abstract: The present invention relates to a compound that has URAT1 inhibitory action, and a URAT1 inhibitor, a blood uric acid level-reducing agent and a pharmaceutical composition comprising the compound. More specifically, the present invention relates to a compound represented by Formula (I) below.Type: GrantFiled: February 11, 2015Date of Patent: June 7, 2016Assignee: SATO PHARMACEUTICAL CO., LTD.Inventors: Keita Nagai, Koh Nagasawa, Hirobumi Takahashi, Motoaki Baba, Shinichi Fujioka, Eri Kondoh, Kenichi Tanaka, Yoshiki Itoh
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Patent number: 9125836Abstract: The present invention relates to a film preparation having both rapid solubility and flexibility at the same time. The film preparation is characterized by comprising: an active-ingredient-containing layer comprising an active ingredient, a water-soluble polymer selected from the group consisting of methyl cellulose, hydroxypropyl cellulose, and hydroxypropyl methyl cellulose, and a disintegrating agent; and an active-ingredient-free layer comprising methyl cellulose and/or hydroxypropyl methyl cellulose. It is further characterized in that the amount of the active ingredient is 0.1-75.0 mass % of a total mass of the film preparation and a total content of the active ingredient and the water-soluble polymer in the active-ingredient-containing layer is 15.0-95.0 mass % of a total mass of the active-ingredient-containing layer.Type: GrantFiled: June 7, 2007Date of Patent: September 8, 2015Assignee: SATO PHARMACEUTICAL CO., LTD.Inventors: Toshiro Nagaso, Mitsutoshi Tatara, Toshihito Shimizu
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Patent number: D985396Type: GrantFiled: August 21, 2020Date of Patent: May 9, 2023Assignee: SATO PHARMACEUTICAL CO., LTD.Inventor: Mutsumi Matsubara