Patents by Inventor Noboru Iwakami
Noboru Iwakami 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: 8129535Abstract: An alkyl ether derivative represented by the general formula: wherein each of R1 and R2 represents one or more groups selected from a hydrogen atom, a halogen atom, an alkyl group, an aryl group, an aralkyl group, an alkoxy group, an aryloxy group, an alkylthio group, an arylthio group, an alkenyl group, an alkenyloxy group, an amino group, an alkylsulfonyl group, an arylsulfonyl group, a carbamoyl group, a heterocyclic group, a hydroxyl group, a carboxyl group, a nitro group, an oxo group and the like; R3 is an alkylamino group, an amino group, a hydroxyl group or the like; the ring A is a 5-membered or 6-membered heteroaromatic ring or a benzene ring; each of m and n is an integer of 1 to 6; and p is an integer of 1 to 3, or its salt has activity to protect neurons, activity to accelerate nerve regeneration and activity to accelerate neurite extension and hence is useful as a therapeutic agent for diseases in central and peripheral nerves.Type: GrantFiled: October 17, 2008Date of Patent: March 6, 2012Assignee: Toyama Chemical Co., Ltd.Inventors: Akihito Saitoh, Noboru Iwakami, Tamotsu Takamatsu
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Patent number: 8119625Abstract: Disclosed is an agent comprising a benzothiophene alkyl ether derivative represented by the general formula below or a salt thereof: wherein R1 and R2 independently represent at least one group selected from a hydrogen atom, a halogen atom, an alkyl group, an aryl group, an aralkyl group, an alkoxy group, an aryloxy group, an alkylthio group, an arylthio group, an alkenyl group, an alkenyloxy group, an amino group, an alkylsulfonyl group, an arylsulfonyl group, a carbamoyl group, a heterocyclic group, an amino group, a hydroxyl group, a carboxyl group, a nitro group, an oxo group and the like; R3 represents an alkylamino group which may be substituted or an amino or hydroxyl group which may be protected; and m and n independently represent an integer ranging from 1 to 6. The agent is useful as a neurogenesis inducer or a therapeutic agent for neuropathy.Type: GrantFiled: February 13, 2009Date of Patent: February 21, 2012Assignee: Toyama Chemical Co., Ltd.Inventors: Noboru Iwakami, Shigeki Marubuchi, Tomohiro Okuda
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Patent number: 8067406Abstract: An alkyl ether derivative represented by the following general formula [1] or its salt: wherein R1 and R2 represent each a substituent such as hydrogen, halogeno or alkyl; R3 represents alkylamino, amino or hydroxyl; the ring A represents a 5- or 6-membered aromatic heterocycle or a benzene ring; m and n are each an integer of from 1 to 6; and p is an integer of from 1 to 3; shows an effect of protecting retinal nerve cells and, therefore, is useful as a preventive and/or a remedy for retinal nerve diseases such as glaucoma, diabetic retinopathy, retinal artery obstruction, retinal venous obstruction, macular degeneration and retinopathy of prematurity.Type: GrantFiled: January 19, 2011Date of Patent: November 29, 2011Assignee: Toyama Chemical Co., Ltd.Inventors: Tatsuo Kimura, Noboru Iwakami, Akihito Saitoh
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Publication number: 20110112066Abstract: An alkyl ether derivative represented by the following general formula [1] or its salt: wherein R1 and R2 represent each a substituent such as hydrogen, halogeno or alkyl; R3 represents alkylamino, amino or hydroxyl; the ring A represents a 5- or 6-membered aromatic heterocycle or a benzene ring; m and n are each an integer of from 1 to 6; and p is an integer of from 1 to 3; shows an effect of protecting retinal nerve cells and, therefore, is useful as a preventive and/or a remedy for retinal nerve diseases such as glaucoma, diabetic retinopathy, retinal artery obstruction, retinal venous obstruction, macular degeneration and retinopathy of prematurity.Type: ApplicationFiled: January 19, 2011Publication date: May 12, 2011Applicant: Toyama Chemical Co., Ltd.Inventors: Tatsuo KIMURA, Noboru IWAKAMI, Akihito SAITOH
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Patent number: 7897594Abstract: An alkyl ether derivative represented by the following general formula [1] or its salt: wherein R1 and R2 represent each a substituent such as hydrogen, halogeno or alkyl; R3 represents alkylamino, amino or hydroxyl; the ring A represents a 5- or 6-membered aromatic heterocycle or a benzene ring; m and n are each an integer of from 1 to 6; and p is an integer of from 1 to 3; shows an effect of protecting retinal nerve cells and, therefore, is useful as a preventive and/or a remedy for retinal nerve diseases such as glaucoma, diabetic retinopathy, retinal artery obstruction, retinal venous obstruction, macular degeneration and retinopathy of prematurity.Type: GrantFiled: August 17, 2009Date of Patent: March 1, 2011Assignee: Toyama Chemical Co., Ltd.Inventors: Tatsuo Kimura, Noboru Iwakami, Akihito Saitoh
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Publication number: 20100075941Abstract: An alkyl ether derivative represented by the following general formula [1] or its salt: wherein R1 and R2 represent each a substituent such as hydrogen, halogeno or alkyl; R3 represents alkylamino, amino or hydroxyl; the ring A represents a 5- or 6-membered aromatic heterocycle or a benzene ring; m and n are each an integer of from 1 to 6; and p is an integer of from 1 to 3; shows an effect of protecting retinal nerve cells and, therefore, is useful as a preventive and/or a remedy for retinal nerve diseases such as glaucoma, diabetic retinopathy, retinal artery obstruction, retinal venous obstruction, macular degeneration and retinopathy of prematurity.Type: ApplicationFiled: August 17, 2009Publication date: March 25, 2010Applicant: Toyama Chemical Co., Ltd.Inventors: Tatsuo KIMURA, Noboru IWAKAMI, Akihito SAITOH
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Publication number: 20090209512Abstract: Disclosed is an agent comprising a benzothiophene alkyl ether derivative represented by the general formula below or a salt thereof: wherein R1 and R2 independently represent at least one group selected from a hydrogen atom, a halogen atom, an alkyl group, an aryl group, an aralkyl group, an alkoxy group, an aryloxy group, an alkylthio group, an arylthio group, an alkenyl group, an alkenyloxy group, an amino group, an alkylsulfonyl group, an arylsulfonyl group, a carbamoyl group, a heterocyclic group, an amino group, a hydroxyl group, a carboxyl group, a nitro group, an oxo group and the like; R3 represents an alkylamino group which may be substituted or an amino or hydroxyl group which may be protected; and m and n independently represent an integer ranging from 1 to 6. The agent is useful as a neurogenesis inducer or a therapeutic agent for neuropathy.Type: ApplicationFiled: February 13, 2009Publication date: August 20, 2009Applicant: Toyama Chemical Co., Ltd.Inventors: Noboru IWAKAMI, Shigeki MARUBUCHI, Tomohiro OKUDA
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Publication number: 20090111992Abstract: An alkyl ether derivative represented by the general formula: wherein each of R1 and R2 represents one or more groups selected from a hydrogen atom, a halogen atom, an alkyl group, an aryl group, an aralkyl group, an alkoxy group, an aryloxy group, an alkylthio group, an arylthio group, an alkenyl group, an alkenyloxy group, an amino group, an alkylsulfonyl group, an arylsulfonyl group, a carbamoyl group, a heterocyclic group, a hydroxyl group, a carboxyl group, a nitro group, an oxo group and the like; R3 is an alkylamino group, an amino group, a hydroxyl group or the like; the ring A is a 5-membered or 6-membered heteroaromatic ring or a benzene ring; each of m and n is an integer of 1 to 6; and p is an integer of 1 to 3, or its salt has activity to protect neurons, activity to accelerate nerve regeneration and activity to accelerate neurite extension and hence is useful as a therapeutic agent for diseases in central and peripheral nerves.Type: ApplicationFiled: October 17, 2008Publication date: April 30, 2009Applicant: Toyama Chemical Co., Ltd.Inventors: Akihito Saitoh, Noboru Iwakami, Tamotsu Takamatsu
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Publication number: 20090093453Abstract: Disclosed is an agent comprising a benzothiophene alkyl ether derivative represented by the general formula below or a salt thereof: wherein R1 and R2 independently represent at least one group selected from a hydrogen atom, a halogen atom, an alkyl group, an aryl group, an aralkyl group, an alkoxy group, an aryloxy group, an alkylthio group, an arylthio group, an alkenyl group, an alkenyloxy group, an amino group, an alkylsulfonyl group, an arylsulfonyl group, a carbamoyl group, a heterocyclic group, an amino group, a hydroxyl group, a carboxyl group, a nitro group, an oxo group and the like; R3 represents an alkylamino group which may be substituted or an amino or hydroxyl group which may be protected; and m and n independently represent an integer ranging from 1 to 6. The agent is useful as a neurogenesis inducer or a therapeutic agent for neuropathy.Type: ApplicationFiled: April 24, 2007Publication date: April 9, 2009Applicant: Toyama Chemical Co., LtdInventors: Noboru Iwakami, Shigeki Marubuchi, Tomohiro Okuda
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Patent number: 7468443Abstract: An alkyl ether derivative represented by the general formula: wherein each of R1 and R2 represents one or more groups selected from a hydrogen atom, a halogen atom, an alkyl group, an aryl group, an aralkyl group, an alkoxy group, an aryloxy group, an alkylthio group, an arylthio group, an alkenyl group, an alkenyloxy group, an amino group, an alkylsulfonyl group, an arylsulfonyl group, a carbamoyl group, a heterocyclic group, a hydroxyl group, a carboxyl group, a nitro group, an oxo group and the like; R3 is an alkylamino group, an amino group, a hydroxyl group or the like; the ring A is a 5-membered or 6-membered heteroaromatic ring or a benzene ring; each of m and n is an integer of 1 to 6; and p is an integer of 1 to 3, or its salt has activity to protect neurons, activity to accelerate nerve regeneration and activity to accelerate neurite extension and hence is useful as a therapeutic agent for diseases in central and peripheral nerves.Type: GrantFiled: May 3, 2006Date of Patent: December 23, 2008Assignee: Toyama Chemical Co., Ltd.Inventors: Akihito Saitoh, Noboru Iwakami, Tamotsu Takamatsu
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Publication number: 20060205709Abstract: An alkyl ether derivative represented by the following general formula [1] or its salt: wherein R1 and R2 represent each a substituent such as hydrogen, halogeno or alkyl; R3 represents alkylamino, amino or hydroxyl; the ring A represents a 5- or 6-membered aromatic heterocycle or a benzene ring; m and n are each an integer of from 1 to 6; and p is an integer of from 1 to 3; shows an effect of protecting retinal nerve cells and, therefore, is useful as a preventive and/or a remedy for retinal nerve diseases such as glaucoma, diabetic retinopathy, retinal artery obstruction, retinal venous obstruction, macular degeneration and retinopathy of prematurity.Type: ApplicationFiled: April 15, 2004Publication date: September 14, 2006Applicant: TOYAMA CHEMICAL CO., LTD.Inventors: Tatsuo Kimura, Noboru Iwakami, Akihito Saitoh
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Publication number: 20060194781Abstract: An alkyl ether derivative represented by the general formula: wherein each of R1 and R2 represents one or more groups selected from a hydrogen atom, a halogen atom, an alkyl group, an aryl group, an aralkyl group, an alkoxy group, an aryloxy group, an alkylthio group, an arylthio group, an alkenyl group, an alkenyloxy group, an amino group, an alkylsulfonyl group, an arylsulfonyl group, a carbamoyl group, a heterocyclic group, a hydroxyl group, a carboxyl group, a nitro group, an oxo group and the like; R3 is an alkylamino group, an amino group, a hydroxyl group or the like; the ring A is a 5-membered or 6-membered heteroaromatic ring or a benzene ring; each of m and n is an integer of 1 to 6; and p is an integer of 1 to 3, or its salt has activity to protect neurons, activity to accelerate nerve regeneration and activity to accelerate neurite extension and hence is useful as a therapeutic agent for diseases in central and peripheral nerves.Type: ApplicationFiled: May 3, 2006Publication date: August 31, 2006Applicant: Toyama Chemical Co., Ltd.Inventors: Akihito Saitoh, Noboru Iwakami, Tamotsu Takamatsu
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Patent number: 7087594Abstract: An alkyl ether represented by the general formula: or its salt. This compound has activity to protect neurons, activity to accelerate nerve regeneration and activity to accelerate neurite extension and hence is useful as a therapeutic agent for diseases in central and peripheral nerves.Type: GrantFiled: October 18, 2002Date of Patent: August 8, 2006Assignee: Toyama Chemical Co., Ltd.Inventors: Akihito Saitoh, Noboru Iwakami, Tamotsu Takamatsu
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Publication number: 20050070521Abstract: An alkyl ether derivative represented by the general formula: wherein each of R1 and R2 represents one or more groups selected from a hydrogen atom, a halogen atom, an alkyl group, an aryl group, an aralkyl group, an alkoxy group, an aryloxy group, an alkylthio group, an arylthio group, an alkenyl group, an alkenyloxy group, an amino group, an alkylsulfonyl group, an arylsulfonyl group, a carbamoyl group, a heterocyclic group, a hydroxyl group, a carboxyl group, a nitro group, an oxo group and the like; R3 is an alkylamino group, an amino group, a hydroxyl group or the like; the ring A is a 5-membered or 6-membered heteroaromatic ring or a benzene ring; each of m and n is an integer of 1 to 6; and p is an integer of 1 to 3, or its salt has activity to protect neurons, activity to accelerate nerve regeneration and activity to accelerate neurite extension and hence is useful as a therapeutic agent for diseases in central and peripheral nerves.Type: ApplicationFiled: October 18, 2002Publication date: March 31, 2005Applicant: Toyama Chemical Co., LTD.Inventors: Akihito Saitoh, Noboru Iwakami, Tamotsu Takamatsu
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Patent number: 6797726Abstract: An N-alkoxyalkyl-N,N-dialkylamine derivative represented by the following general formula [1]: wherein the ring D represents a 5- or 6-membered heterocyclic ring or hydrocarbon ring; R3 and R4, which are the same or different, represent an unsubstituted or substituted alkyl, cycloalkyl or aralkyl group; and R1, R2, R5, R6, R7, R8, m and n are as defined in the specification, or a salt thereof has an anti-hypoxic activity, a nerve-protecting activity and a nerve regeneration promoting activity and is useful for the treatment of neurodegenerative diseases.Type: GrantFiled: December 11, 2001Date of Patent: September 28, 2004Assignee: Toyama Chemical Co., Ltd.Inventors: Satoshi Ono, Akihito Saitoh, Noboru Iwakami, Masaya Nakagawa, Sumie Yamaguchi
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Patent number: RE43676Abstract: An alkyl ether represented by the general formula: or its salt. This compound has activity to protect neurons, activity to accelerate nerve regeneration and activity to accelerate neurite extension and hence is useful as a therapeutic agent for diseases in central and peripheral nerves.Type: GrantFiled: October 18, 2002Date of Patent: September 18, 2012Assignee: Toyama Chemical Co., Ltd.Inventors: Akihito Saitoh, Noboru Iwakami, Tamotsu Takamatsu