Patents by Inventor Shinji Ina
Shinji Ina 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).
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Patent number: 9540301Abstract: Provided is a method of manufacturing a high quality phosphonocrotonic acid derivative. The present invention is a method of manufacturing a compound represented by the following Formula (3) by reacting a compound represented by the following Formula (1) with a compound represented by the following Formula (2), which comprises a treatment process using an acid or base. [in the formula, R1 represents a C1-6 linear or branched alkyl group that may be substituted by a C6-10 aryl group, a C2-6 linear or branched alkenyl group that may be substituted by a C6-10 aryl group, a C2-6 linear or branched alkynyl group that may be substituted by a C6-10 aryl group, or a C6-10 aryl group, R2 represents a hydrogen atom, or a C1-6 linear or branched alkyl group that may be substituted by a C6-10 aryl group, R3 represents a C1-6 linear or branched alkyl group, a C6-10 aryl group, or a halogen atom, and X represents a halogen atom, and multiple R1s may be the same or different].Type: GrantFiled: April 26, 2012Date of Patent: January 10, 2017Assignees: KOWA COMPANY, LTD., MANAC IncorporatedInventors: Shinji Ina, Takahiro Yamazaki, Junichi Sakata, Koji Ezaki, Katsuhiro Sakamoto
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Publication number: 20140051876Abstract: Provided is a method of manufacturing a high quality phosphonocrotonic acid derivative. The present invention is a method of manufacturing a compound represented by the following Formula (3) by reacting a compound represented by the following Formula (1) with a compound represented by the following Formula (2), which comprises a treatment process using an acid or base. [in the formula, R1 represents a C1-6 linear or branched alkyl group that may be substituted by a C6-10 aryl group, a C2-6 linear or branched alkenyl group that may be substituted by a C6-10 aryl group, a C2-6 linear or branched alkynyl group that may be substituted by a C6-10 aryl group, or a C6-10 aryl group, R2 represents a hydrogen atom, or a C1-6 linear or branched alkyl group that may be substituted by a C6-10 aryl group, R3 represents a C1-6 linear or branched alkyl group, a C6-10 aryl group, or a halogen atom, and X represents a halogen atom, and multiple R1s may be the same or different].Type: ApplicationFiled: April 26, 2012Publication date: February 20, 2014Applicants: MANAC Incorporated, KOWA COMPANY, LTD.Inventors: Shinji Ina, Takahiro Yamazaki, Junichi Sakata, Koji Ezaki, Katsuhiro Sakamoto
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Patent number: 8106053Abstract: To find a compound having a tissue fibrinosis-inhibitory activity and a fibrinolytic activity, and to provide a novel compound that is useful for preventing and/or treating tissue fibrinosis diseases (pulmonary fibrosis, renal fibrosis etc.), diseases caused by pathological blood clots such as ischemic heart diseases (myocardial infarction, angina), intraatrial thrombus, pulmonary embolism, deep venous thrombosis, disseminated intravascular coagulation, ischemic cerebral diseases (cerebral infarction, cerebral bleeding) and arteriosclerosis and the like. To provide a pharmaceutical drug comprising a 5-phenyl-3-pyridazinone derivative represented by the following general formula (I): and an optical isomer thereof, or a pharmaceutically acceptable salt thereof, or a hydrate or solvate thereof, useful for preventing and/or treating disease conditions or symptoms mediated by plasminogen activator inhibitor-1.Type: GrantFiled: June 19, 2008Date of Patent: January 31, 2012Assignee: Kowa Company, Ltd.Inventors: Noriaki Gomi, Shinji Ina, Kenjirou Yamana, Yoshio Kaneko
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Publication number: 20100324091Abstract: A pyrazolone derivative represented by formula (I) below: wherein R1 to R3 are the same as defined in claims; or an optical isomer, a pharmaceutically acceptable salt thereof, or a hydrate or solvate thereof is provided. The novel pyrazolone derivative according to the present invention has a PAI-1 production inhibitory activity, a tissue fibrosis inhibitory activity, and a fibrolytic activity, and is effective for preventing and/or treating tissue fibrotic diseases (lung fibrosis, kidney fibrosis, etc.) and diseases of which a pathological thrombus becomes the cause, such as ischemic cardiac diseases (cardiac infarction and angina pectoris), atrial thrombus, lung embolism, deep thrombophlebitis, disseminated intravascular clotting, ischemic brain diseases (brain infarction, brain hemorrhage), and arterial sclerosis.Type: ApplicationFiled: June 23, 2008Publication date: December 23, 2010Applicant: Kowa Company, Ltd.Inventors: Noriaki Gomi, Shinji Ina, Kenjirou Yamana, Yoshio Kaneko
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Patent number: 7772258Abstract: An agent for the treatment of allergic eye disease containing a 3-anilino-2-cycloalkenone derivative having the formula (I): wherein R1 is an unsubstituted or substituted C1 to C8 alkyl group provided that an unsubstituted methyl group is excluded, a C3 to C7 cycloalkyl group, a C6 to C10 bicycloalkyl group or an indanyl group, etc., R2 is a C1 to C4 alkyl group, R3 is a hydrogen atom, a C1 to C5 alkyl group, a C3 to C7 cycloalkyl group, etc., R4 is a hydrogen atom, an unsubstituted or substituted C1 to C5 alkyl group, a halogen atom, etc., R5, R6, R7 and R8 are independently a hydrogen atom, a C1 to C5 alkyl group, etc., X is —(CR11R12)n— or NR13—, wherein n is 0 to 2, R11, R12 and R13 are independently a hydrogen atom, a C1 to C5 alkyl group, etc.Type: GrantFiled: August 8, 2008Date of Patent: August 10, 2010Assignee: Nikken Chemicals Co., Ltd.Inventors: Shinji Ina, Akane Takahama
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Publication number: 20100197698Abstract: To find a compound having a tissue fibrinosis-inhibitory activity and a fibrinolytic activity, and to provide a novel compound that is useful for preventing and/or treating tissue fibrinosis diseases (pulmonary fibrosis, renal fibrosis etc.), diseases caused by pathological blood clots such as ischemic heart diseases (myocardial infarction, angina), intraatrial thrombus, pulmonary embolism, deep venous thrombosis, disseminated intravascular coagulation, ischemic cerebral diseases (cerebral infarction, cerebral bleeding) and arteriosclerosis and the like. To provide a pharmaceutical drug comprising a 5-phenyl-3-pyridazinone derivative represented by the following general formula (I): and an optical isomer thereof, or a pharmaceutically acceptable salt thereof, or a hydrate or solvate thereof, useful for preventing and/or treating disease conditions or symptoms mediated by plasminogen activator inhibitor-1.Type: ApplicationFiled: June 19, 2008Publication date: August 5, 2010Applicant: KOWA COMPANY, LTD.Inventors: Noriaki Gomi, Shinji Ina, Kenjirou Yamana, Yoshio Kaneko
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Publication number: 20080306163Abstract: An agent for the treatment of allergic eye disease containing a 3-anilino-2-cycloalkenone derivative having the formula (I): wherein R1 is an unsubstituted or substituted C1 to C8 alkyl group provided that an unsubstituted methyl group is excluded, a C3 to C7 cycloalkyl group, a C6 to C10 bicycloalkyl group or an indanyl group, etc., R2 is a C1 to C4 alkyl group, R3 is a hydrogen atom, a C1 to C5 alkyl group, a C3 to C7 cycloalkyl group, etc., R4 is a hydrogen atom, an unsubstituted or substituted C1 to C5 alkyl group, a halogen atom, etc., R5, R6, R7 and R8 are independently a hydrogen atom, a C1 to C5 alkyl group, etc., X is —(CR11R12)n— or NR13—, wherein n is 0 to 2, R11, R12 and R13 are independently a hydrogen atom, a C1 to C5 alkyl group, etc.Type: ApplicationFiled: August 8, 2008Publication date: December 11, 2008Inventors: Shinji Ina, Akane Takahama
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Patent number: 6943195Abstract: (?)-3-[3-[(1R,2R,4S)-bicyclo[2.2.1]hept-2-yloxy]-4-methoxyanilino]-2-methyl-2-cyclopenten-1-one, or its hydrate or solvate, or a pharmaceutical composition containing the same.Type: GrantFiled: June 27, 2002Date of Patent: September 13, 2005Assignee: Nikken Chemicals Co., LtdInventors: Toshihiko Akiyama, Shinji Ina, Akane Takahama
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Publication number: 20040220227Abstract: An agent for the treatment of allergic eye disease containing a 3-anilino-2-cycloalkenone derivative having the formula (I): 1Type: ApplicationFiled: January 5, 2004Publication date: November 4, 2004Inventors: Shinji Ina, Akane Takahama
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Publication number: 20040157933Abstract: (−)-3-[3-[(1R, 2R, 4S)-bicyclo[2.2.1]hept-2-yloxy]-4-methoxyanilino]-2-methyl-2-cyclopenten-1-one, or its hydrate or solvate, or a pharmaceutical composition containing the same.Type: ApplicationFiled: December 16, 2003Publication date: August 12, 2004Inventors: Toshihiko Akiyama, Shinji Ina, Akane Takahama
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Patent number: 6265402Abstract: A 2-phenylmorpholin-5-one derivative having the formula (I): wherein R1 represents a C1 to C8 alkyl group, a C3 to C7 cycloalkyl group or an indanyl group, R2 represents a C1 to C4 alkyl group, R3 represents a hydrogen atom, a C1 to C5 alkyl group, etc., R4 represents a hydrogen atom, a C1 to C6 alkyl group, etc., R5, R6 represent a hydrogen atom, a C1 to C5 alkyl group, etc., an optical isomer thereof or a pharmacologically acceptable salt thereof, or a hydrate or solvate thereof and a pharmaceutical composition containing the same. The above compound has a strong type IV phosphodiesterase (PDE) inhibitory activity and has bronchodilater and antiinflammatory effects.Type: GrantFiled: February 25, 1999Date of Patent: July 24, 2001Assignee: Nikken Chemicals Co., Ltd.Inventors: Shinji Ina, Kenjirou Yamana, Kyoji Noda
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Patent number: 6251897Abstract: A 6-phenyltetrahydro-1,3-oxazin-2-one derivative having the formula (I): wherein, R1 is an unsubstituted or substituted C1 to C8 alkyl group; an unsubstituted or substituted C3 to C7 cycloalkyl group;, etc., R2 is a C1 to C4 alkyl group, R3 is H; an unsubstituted or substituted C1 to C5 alkyl group; etc., R4 is H; an unsubstituted or substituted C1 to C6 alkyl group, and R5 and R6 are independently a hydrogen atom; an unsubstituted or substituted C1 to C5 alkyl group; etc. an optical isomer thereof, or a pharmacologically acceptable salt thereof, or a hydrate or a solvate thereof and pharmaceutical compositions containing the same, in particular a drug for the prevention or treatment of inflammatory diseases and a drug for asthma. The above 6-phenyltetrahydro-1,3-oxazin-2-one derivative has a strong type IV PDE inhibitory activity and has a bronchiodilator and antiinflammatory effects.Type: GrantFiled: February 1, 1999Date of Patent: June 26, 2001Assignee: Nikken Chemicals Co., LTDInventors: Shinji Ina, Kenjirou Yamana, Kyoji Noda
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Patent number: 6235736Abstract: A 3-anilino-2-cycloalkenone derivative of the formula (I): wherein, R1 represents a C1 to C8 alkyl group, which may have a substituent, except for a methyl group, a C3 to C7 cycloalkyl group, a 3-tetrahydrofuryl group, an 2-indanyl group, etc., R2 represents a C1 to C4 alkyl group, R3 represents a hydrogen atom, a C3 to C7 alkyl group, which may have a substituent, a C3 to C7 cycloalkyl group, etc., R4 represents a hydrogen atom, a C1 to C5 alkyl group, which may have a substituent, a halogen atom, etc., R5, R6, R7, and R8 independently represent a hydrogen atom, a C1 to C5 alkyl group, which may have a substituent, etc., X represents —(CR11R12)n—, wherein n is 0 to 2, R11 and R12 independently represent a hydrogen atom, a C1 to C5 alkyl group, which may have a substituent, etc.Type: GrantFiled: March 20, 2000Date of Patent: May 22, 2001Assignee: Nikken Chemicals Co., Ltd.Inventors: Shinji Ina, Kenjirou Yamana, Kyoji Noda, Akane Takahama, Toshihiko Akiyama
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Patent number: 6235739Abstract: A 5-phenyl-3-pyridazinone derivative having the formula (I) wherein R1 represents an unsubstituted or substituted C1 to C8 alkyl group, C3 to C7 cycloalkyl group, or indanyl group; R2 represents a C1 to C4 alkyl group; R3 represents a hydrogen atom or an unsubstituted or substituted C1 to C5 alkyl group; a C3 to C7 cycloalkyl group; or an aryl group which may contain a heteroatom; R4 and R5 independently represent a hydrogen atom, C1 to C6 alkyl group, an unsubstituted or substituted phenyl, or a monocyclic aryl group which may contain a heteroatom; a dotted line represents a single or double bond, provided that when the dotted line represents a single bond; R6 represents a hydrogen atom or C1 to C6 alkyl group.Type: GrantFiled: December 11, 1998Date of Patent: May 22, 2001Assignee: Nikken Chemicals Co., Ltd.Inventors: Shinji Ina, Kenjirou Yamana, Kyoji Noda