Patents by Inventor Shuichi Ohuchida
Shuichi Ohuchida 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: 6043275Abstract: A 3,7-dithiaprostanoic acid derivative of the formula (I) ##STR1## (wherein, R.sup.1 is OH, C1.about.6 alkyloxy, NR.sup.6 R.sup.7 (R.sup.6, R.sup.7 are H, C1.about.6 alkyl.); R.sup.2 is H, OH; R.sup.3 is single bond, C1.about.6 alkylene; R.sup.4 is (i) C1.about.8 alkyl substituted by C1.about.6 alkyloxy, halogen etc., (ii) phenyloxy, C3.about.7 cycloalkyloxy, (iii) furyl, furyloxy, thienyl, thienyloxy, naphthyl, naphthyloxy, phthalanyl, phthalanyloxy, (iv) phenyl, phenyloxy, C3.about.7 cycloalkyl, C3.about.7 cycloalkyloxy substituted by C1.about.6 alkyl etc., (v) furyl, furyloxy, thienyl, thienyloxy, naphthyl, naphthyloxy, phthalanyl, phthalanyloxy substituted by C1.about.6 alkyl etc.; R.sup.5 is H, C1.about.6 alkyl.) can bind PGE.sub.2 receptor (particularly, EP4 subtype receptor) strongly. So, they are useful for the prevention and/or treatment of immunological diseases (autoimmune diseases, rejection after organ transplantation etc.Type: GrantFiled: April 8, 1999Date of Patent: March 28, 2000Assignee: Ono Pharmaceutical Co., Ltd.Inventors: Toru Maruyama, Shuichi Ohuchida
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Patent number: 5892099Abstract: A 3,7-dithiaprostanoic acid derivative of the formula (I) ##STR1## (wherein R.sup.1 is OH, C1-4 alkoxy, NR.sup.6 R.sup.7 (wherein R.sup.6, R.sup.7 are H, C1-4);R.sup.2 is H, OH; R.sup.3 is (i)alkyl, alkenyl, alkynyl (ii) phenyl, cycloalkyl (iii) alkyl, alkenyl, alkynyl substituted by phenyl, cycloalkyl (when R.sup.2 is H, alkyl, alkenyl, alkynyl in (i) or (iii) may be substituted by OH) possesses a binding activity for PGE.sub.2 receptor (especially for EP4). Therefore they are useful for the treatment and/or prevention of immunologic diseases (autoimmune diseases, immunological deficiency diseases, organ transplantation etc.), asthma, abnormal bone formation, neuronal cell death, liver damage, nephritis, hypertension, myocardiac ischemia etc.Type: GrantFiled: January 27, 1998Date of Patent: April 6, 1999Assignee: Ono Pharmaceutical Co., Ltd.Inventors: Toru Maruyama, Shuichi Ohuchida
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Patent number: 5750544Abstract: Fused phenol derivatives of the formula (I): ##STR1## (wherein R.sup.1 and R.sup.2 each, independently, is H, halogen, trifluoromethyl, cyano, (substituted) alkyl, alkoxy, cycloalkyl, COOH, COOR.sup.6 (in which R.sup.6 is C1-6 alkyl), alkenyl or R.sup.1 and R.sup.2, taken together, is --CH.dbd.CH--CH.dbd.CH--, when R.sup.1 and R.sup.2 are ortho to each other; A is alkylene, alkenylene, oxyalkylene or ##STR2## (in which m is 1-6); B is a monocyclic hetero ring containing a nitrogen atom;G is --OR.sup.3A or --NR.sup.3B R.sup.3C (in which R.sup.3A, R.sup.3B and R.sup.3C each, independently, is H, alkyl, acyl, or alkoxyalkyl);R.sup.4 and R.sup.5 each, independently, is H, alkyl, or R.sup.4, R.sup.5 together with the carbon atom to which they are attached represent C4-7 cycloalkyl; andn is 1-3;non-toxic salts thereof, non-toxic acid addition salts thereof, and hydrates thereof.The compounds of the formula (I) have inhibitory activities on TXA.sub.Type: GrantFiled: April 19, 1996Date of Patent: May 12, 1998Assignee: Ono Pharmaceuticals Co., Ltd.Inventors: Shuichi Ohuchida, Fumio Nambu, Masaaki Toda
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Patent number: 5545657Abstract: Heterocyclic compounds of the general formula: ##STR1## wherein, Z represents methylene group or sulfur atom, R represents a general formula:G--E--D--B--A--L represents a group of general formula:--CO--COR.sup.2--CO--R.sup.4--CO--CH.sub.2 --COR.sup.2--CO--CF.sub.2 --COR.sup.2--CO--CO--NR.sup.5 R.sup.6or--CO--CH.sub.2 --CO--NR.sup.5 R.sup.6and non-toxic salt or hydrate thereof possess an inhibitory activity on propyl endopeptidase, and therefore useful, for prevention and/or treatment of amnesia.Type: GrantFiled: December 9, 1994Date of Patent: August 13, 1996Assignee: Ono Pharmaceutical Co., Ltd.Inventors: Masaaki Toda, Shuichi Ohuchida, Hiroyuki Ohno
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Patent number: 5534536Abstract: Fused phenol compounds of the formula (I): ##STR1## (wherein R.sup.1 and R.sup.2 each, independently, is H, halogen, trifluoromethyl, cyano, (substituted) alkyl, alkoxy, cycloalkyl, COOH, COOR.sup.6 (in which R.sup.6 is C1-6 alkyl), alkenyl or R.sup.1 and R.sup.2, taken together, is --CH.dbd.CH--CH.dbd.CH--, when R.sup.1 and R.sup.2 are ortho to each other; A is alkylene, alkenylene, oxyalkylene or ##STR2## (in which m is 1-6); B is a monocyclic hetero ring containing a nitrogen atom; G is --OR.sup.3A or --NR.sup.3B R.sup.3C (in which R.sup.3A, R.sup.3B and R.sup.3C each, independently, is H, alkyl, acyl, or alkoxyalkyl); R.sup.4 and R.sup.5 each, independently, is H, alkyl, or R.sup.4, R.sup.5 together with the carbon atom to which they are attached represent C4-7 cycloalkyl; and n is 1-3; non-toxic salts thereof, non-toxic acid addition salts thereof, and hydrates thereof.The compounds of the formula (I) have inhibitory activities on TXA.sub.Type: GrantFiled: August 23, 1994Date of Patent: July 9, 1996Assignee: Ono Pharmaceuticals Co. Ltd.Inventors: Shuichi Ohuchida, Fumio Nambu, Masaaki Toda
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Patent number: 5508450Abstract: Benzopyran derivatives which have an inhibitory effect on the Maillard reaction as well as an antioxidizing effect are described herein. These derivatives may be utilized in the treatment and/or prevention of diabetic complications such as, for example, coronary heart disease, peripheral circulatory insufficiency or failure, cerebrovascular hindrance, neurogenous diabetes, nephropathy, arteriosclerosis, arthrosclerosis, cataracts and retinopathy. Further, the derivatives may also be used in the treatment and/or prevention of diseases induced by aging and in the treatment and/or prevention of diseases caused by the formation of peroxidized fat.Type: GrantFiled: September 30, 1994Date of Patent: April 16, 1996Assignee: Ono Pharmaceutical Co., Ltd.Inventors: Shuichi Ohuchida, Masaaki Toda, Tsumoru Miyamoto
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Patent number: 5411974Abstract: Heterocyclic compounds of the general formula: ##STR1## wherein, Z represents methylene group or sulfur atom, R represents a general formula:G--E--D--B--A--.Type: GrantFiled: June 27, 1994Date of Patent: May 2, 1995Assignee: ONO Pharmaceutical Co., Ltd.Inventors: Masaaki Toda, Shuichi Ohuchida, Hiroyuki Ohno
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Patent number: 5401760Abstract: Heterocyclic compounds of the general formula: ##STR1## R represents a general formula:G--E--D--B--A--G represents a carbocyclic or heterocyclic ring which is unsubstituted or substituted, L represents a group of general formula:--CO--COR.sup.2--CO--CH.sub.2 --COR.sup.2--CO--CF.sub.2 --COR.sup.2--CO--CO--NR.sup.5 R.sup.6or--CO--CH.sub.2 --CO--NR.sup.5 R.sup.6and non-toxic salt or hydrate thereof possess an inhibitory activity on propyl endopeptidase, and therefore usefull for prevention and/or treatment of amnesia.Type: GrantFiled: January 22, 1993Date of Patent: March 28, 1995Assignee: Ono Pharmaceutical Co., Ltd.Inventors: Masaaki Toda, Shuichi Ohuchida, Hiroyuki Ohno
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Patent number: 5384414Abstract: Benzopyran derivatives of the formula: ##STR1## wherein R.sup.1a is hydrogen, C1-4 alkyl or C1-4 alkoxy; or two R.sup.1a taken together with 7th- and 8th-carbon to which they are attached form a C6 carbocyclic ring;R.sup.2a is hydrogen, C1-4 alkyl or C1-4 alkoxy;R.sup.3a is hydrogen, C2-4 acyl or benzoyl;na is 1-3;Ya is C1-7 alkylene, C2-7 alkenylene or C2-7 alkynylene;Ma isi) bond orii) a group of the formula: --Da--Ba--;Da isi) --O-- orii) --S--;Ba isi) C1-4 alkylene orii) a group of the formula: ##STR2## Za is i) bond,ii) --OCO--,iii) CONR.sup.9a --,iv) --COO--,v) --NR.sup.9a CO--,vi) --O-- orvii) --NH--CO--NH--;Wa is a group of the formula: --W1a--Aa--W2 a--;Aa isi) bond orii) a group of the formula: --Ea-- .circle.Ga --;Ea isi) bond,ii) --O-- oriii) --S--;.circle.Ga is C4-10 carbocyclic or heterocyclic ring; or C4-10 carbocyclic or heterocyclic ring substituted by one to three C1-4 alkyl, C1-4 alkoxy, halogen, a group of the formula: --COOR.sup.Type: GrantFiled: August 18, 1993Date of Patent: January 24, 1995Assignee: Ono Pharmaceutical Co., Ltd.Inventors: Shuichi Ohuchida, Masaaki Toda, Tsumoru Miyamoto
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Patent number: 5340832Abstract: A novel prolinal derivative of the general formula: ##STR1## [wherein A represents alkylene or alkenylene group of from 1 to 8 carbon atom(s) or a saturated hydrocarbon ring of from 3 to 7 carbon atoms, R represents hydrogen atom, phenyl group, benzyl group, alkyl group of from 1 to 8 carbon atom(s) or cycloalkyl group of from 3 to 7 carbon atoms,B represents alkylene group of from 1 to 8 atom(s) unsubstituted or substituted by phenyl group or benzyl group, or a single bond,D represents carbocyclic or heterocyclic ring unsubstituted or substituted by from one to three of halogen atom, alkyl or alkoxy group of from 1 to 4 carbon atom(s), nitro group or trifluoromethyl group.]possess inhibitory activity on prolyl endopeptidase, and therefore are useful for treating and/or preventing agent as a amnesia.Type: GrantFiled: August 17, 1993Date of Patent: August 23, 1994Assignee: Ono Pharmaceutical Co., Ltd.Inventors: Masaaki Toda, Shuichi Ohuchida, Hiroyuki Ohno
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Patent number: 5266709Abstract: Benzopyran derivatives of the formula: ##STR1## and the pharmaceutically acceptable acid addition salts thereof possess the inhibitory activity on Maillard reaction and an antioxidizing effect, and therefore, are useful for the prevention and treatment of several diabetic complications, diseases induced by aging and several diseases caused by formation of peroxidized fat.Type: GrantFiled: August 28, 1992Date of Patent: November 30, 1993Assignee: Ono Pharmaceutical Co., Ltd.Inventors: Shuichi Ohuchida, Masaaki Toda, Tsumoru Miyamoto
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Patent number: 5262431Abstract: A novel prolinal derivative of general formula: ##STR1## [wherein A represents a group of the general formula: ##STR2## (wherein one of R.sup.1 and R.sup.2 represents hydrogen atom and the other represents alkyl group of from 2 to 5 carbon atoms, alkoxy group of from 1 to 5 carbon atom(s), phenyl group, benzyl group, cycloalkyl group of from 4 to 6 carbon atoms or (cycloalkyl group of from 4 to 6 carbon atoms)--methyl group or R.sup.1 and R.sup.2 each represents, same or different, alkyl group of from 1 to 4 carbon atom(s).) or a group of the general formula: ##STR3## (wherein m represents an integer of from 3 to 6.) n represents an integer of from 3 to 10.D represents carbocyclic or heterocyclic ring unsubstituted or substituted by from one to three of halogen atom, nitro group, trifluoromethyl group, alkyl or alkoxy group of from 1 to 4 carbon atom(s).]possess inhibitory activity on prolyl endopeptidase, and therefore be useful for treating and/or preventing agent for amnesia.Type: GrantFiled: February 19, 1992Date of Patent: November 16, 1993Assignee: Ono Pharmaceutical Co., Ltd.Inventors: Masaaki Toda, Shuichi Ohuchida, Hiroyuki Ohno
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Patent number: 5254550Abstract: A novel prolinal derivative of the general formula: ##STR1## [wherein A represents alkylene or alkenylene group of from 1 to 8 carbon atom(s) or a saturated hydrocarbon ring of from 3 to 7 carbon atoms,R represents hydrogen atom, phenyl group, benzyl group, alkyl group of from 1 to 8 carbon atom(s) or cycloalkyl group of from 3 to 7 carbon atoms,B represents alkylene group of from 1 to 8 atom(s) unsubstituted or substituted by phenyl group or benzyl group, or a single bond,D represents carbocyclic or heterocyclic ring unsubstituted or substituted by from one to three of halogen atom, alkyl or alkoxy group of from 1 to 4 carbon atom(s), nitro group or trifluoromethyl group]posses inhibitory activity on prolyl endopeptidase, and therefore are useful for treating and/or preventing agent for amnesia.Type: GrantFiled: December 6, 1991Date of Patent: October 19, 1993Assignee: Ono Pharmaceutical Co., Ltd.Inventors: Masaaki Toda, Shuichi Ohuchida, Hiroyuki Ohno
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Patent number: 5212191Abstract: Heterocyclic compounds of the general formula: ##STR1## wherein, Z represents sulfur atom, R represents a general formula:G--E--D--B--A--L represents a group of the general formula: ##STR2## R.sup.3 represents alkyl group of from 1 to 6 carbon atom(s), phenyl group.Type: GrantFiled: May 15, 1991Date of Patent: May 18, 1993Assignee: Ono Pharmaceutical Co., Ltd.Inventors: Masaaki Toda, Shuichi Ohuchida, Hiroyuki Ohno
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Patent number: 5169957Abstract: Benzopyran derivatives of the formula: ##STR1## and the pharmaceutically acceptable acid addition salts thereof possess the inhibitory activity on Maillard reaction and an antioxidizing effect, and therefore, are useful for the prevention and treatment of several diabetic complications, diseases induced by aging and several diseases caused by formation of peroxidized fat.Type: GrantFiled: July 26, 1991Date of Patent: December 8, 1992Assignee: Ono Pharmaceutical Co., Ltd.Inventors: Shuichi Ohuchida, Masaaki Toda, Tsumoru Miyamoto
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Patent number: 5112847Abstract: Prolinal derivatives of the formula ##STR1## wherein A is a group of the general formula ##STR2## wherein one of R.sup.1 and R.sup.2 is a hydrogen atom and the other is an alkyl group of from 2 to 5 carbon atoms, alkoxy group of from 1 to 5 carbon atom(s), phenyl group, benzyl group, cycloalkyl group of from 4 to 6 carbon atoms or (cycloalkyl group of from 4 to 6 carbon atoms)--methyl group or R.sup.1 and R.sup.2 each represent the same or different alkyl group of from 1 to 4 carbon atom(s) or a group of the formula ##STR3## wherein m represents an integer of from 3 to 6, n represents an integer of from 3 to 10, D represents a specified heterocyclic ring which is unsubstituted or substituted. These derivatives possess inhibitory activity on prolyl endopeptidase and therefor are useful as treating and/or preventing agents for amnesia.Type: GrantFiled: June 12, 1990Date of Patent: May 12, 1992Assignee: Ono Pharmaceutical Co., Ltd.Inventors: Masaaki Toda, Shuichi Ohuchida, Hiroyuki Ohno
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Patent number: 5100904Abstract: A novel prolinal derivatives of the general formula: ##STR1## [wherein A represents alkylene or alkenylene group of from 1 to 8 carbon atom(s) or a saturated hydrocarbon ring of from 3 to 7 carbon atoms,R represents hydrogen atom, phenyl group, benzyl group, alkyl group of from 1 to 8 carbon atom(s) or cycloalkyl group of from 3 to 7 carbon atoms,B represents alkylene group of from 1 to 8 atom(s) unsubstituted or substituted by phenyl group or benzyl group, or a single bond,D represents carbocyclic or heterocyclic ring unsubstituted or substituted by from one to three of halogen atom, alkyl or alkoxy group of from 1 to 4 carbon atom(s), nitro group or trifluoromethyl group.]possess inhibitory activity on prolyl endopeptidase, and therefore are useful for treating and/or preventing agent as a amnesia.Type: GrantFiled: June 5, 1990Date of Patent: March 31, 1992Assignee: Ono Pharmaceutical Co., Ltd.Inventors: Masaaki Toda, Shuichi Ohuchida, Hiroyuki Ohno
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Patent number: 5091406Abstract: A prolinal derivative of general formula: ##STR1## [wherein A represents alkylene group of from 1 to 4 carbon atom(s) or saturated hydrocarbon ring of from 3 to 7 carbon atoms,n represents a number 2, 3 or 4,D represents carbocyclic or heterocyclic ring unsubstituted orsubstituted by from one to three of halogen atom, alkyl or alkoxy group of from 1 to 4 carbon atom(s), nitro group or trifluoromethyl group.]. possess inhibitory activity on prolyl endopeptidase, and therefore be useful for treating and/or preventing agent for amnesia.Type: GrantFiled: February 7, 1990Date of Patent: February 25, 1992Assignee: Ono Pharmaceutical Co., Ltd.Inventors: Masaaki Toda, Shuichi Ohuchida, Hiroyuki Ohno
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Patent number: 5055598Abstract: Benzopyran derivatives of the formula: ##STR1## wherein the variables are defined in the specification and the pharmaceutically acceptable acid addition salts thereof possess the inhibitory activity on Maillard reaction and an antioxidizing effect, and therefore, are useful for the prevention and treatment of several diabetic complications, diseases induced by aging and several diseases caused by formation of peroxidized fat.Type: GrantFiled: March 12, 1990Date of Patent: October 8, 1991Assignee: Ono Pharmaceutical Co., Ltd.Inventors: Shuichi Ohuchida, Masaaki Toda, Tsumoru Miyamoto
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Patent number: 5053414Abstract: Heterocyclic compounds of the general formula: ##STR1## wherein Z represents methylene group or sulfur atom, R represents a general formula:G--E--D--B--A--G represents a carbocyclic or heterocyclic ring.Type: GrantFiled: April 5, 1989Date of Patent: October 1, 1991Assignee: Ono Pharmaceutical Co., Ltd.Inventors: Masaaki Toda, Shuichi Ohuchida, Hiroyuki Ohno