Patents by Inventor Noriaki Tatsuta
Noriaki Tatsuta 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: 7182972Abstract: This invention relates to a water-soluble bean-based extract including one or more isoflavone glycosides. Also INCLUDED is a method of preparing such a water-soluble bean-based extract.Type: GrantFiled: December 23, 2003Date of Patent: February 27, 2007Assignee: Quercegen Pharma, LLCInventors: Mitsunori Ono, Keizo Koya, Noriaki Tatsuta, Naoto Yamaguchi, Lan Bo Chen
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Publication number: 20060135595Abstract: Disclosed are bis(thio-hydrazide amide) disalts, which are represented by Structural Formula (I): Y is a covalent bond or a substituted or unsubstituted straight chained hydrocarbyl group. R1-R4 are independently —H, an aliphatic group, a substituted aliphatic group, an aryl group or a substituted aryl group, or R1 and R3 taken together with the carbon and nitrogen atoms to which they are bonded, and/or R2 and R4 taken together with the carbon and nitrogen atoms to which they are bonded, form a non-aromatic heterocyclic ring optionally fused to an aromatic ring. Z is —O or —S. M+ is a pharmaceutically acceptable monovalent cation and M2+ is a pharmaceutically acceptable divalent cation. Also, disclosed are pharmaceutical compositions comprising a bis(thio-hydrazide amide) disalt described above. Further disclosed are methods of treating a subject with cancer. The methods comprise the step of administering an effective amount of a bis(thio-hydrazide amide) disalt described above.Type: ApplicationFiled: June 20, 2005Publication date: June 22, 2006Applicant: Synta PharmaceuticalsInventors: Keizo Koya, Lijun Sun, Elena Kostik, Farid Vaghefi, Shoujun Chen, Noriaki Tatsuta, Guiqing Liang, Takayo Inoue, Zhi-Qiang Xia
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Publication number: 20060122183Abstract: Disclosed is a compound represented by the Structural Formula (I): Y is a covalent bond, a phenylene group or a substituted or unsubstituted straight chained hydrocarbyl group. In addition, Y, taken together with both >C=Z groups to which it is bonded, is a substituted or unsubstituted aromatic group. Preferably, Y is a covalent bond or —C(R7R8)—. R1 and R2 are independently an aryl group or a substituted aryl group, R3 and R4 are independently —H, an aliphatic group, a substituted aliphatic group, an aryl group or a substituted aryl group. R5—R6 are independently —H, an aliphatic group, a substituted aliphatic group, an aryl group or a substituted aryl group. R7 and R8 are each independently —H, an aliphatic or substituted aliphatic group, or R7 is —H and R8 is a substituted or unsubstituted aryl group, or, R7 and R8, taken together, are a C2-C6 substituted or unsubstituted alkylene group. Z is ?O or ?S.Type: ApplicationFiled: October 5, 2005Publication date: June 8, 2006Inventors: Keizo Koya, Lijun Sun, Shoujun Chen, Noriaki Tatsuta, Yaming Wu, Mitsunori Ono
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Publication number: 20060116374Abstract: One embodiment of the present invention is a compound represented by the Structural Formula (I): Y is a covalent bond of a substituted or unsubstituted straight chained hydrocarbyl group. In addition, Y, taken together with both >C=Z groups to which it is bonded, is a substituted or unsubstituted aromatic group. Preferably, Y is a covalent bond or —C(R7R8)—. R1 is an aliphatic group, a substituted aliphatic group, a non-aromatic heterocyclic group, or a substituted non-aromatic heterocyclic group, R2-R4 are independently —H, an aliphatic group, a substituted aliphatic group, a non-aromatic heterocyclic group, a substituted non-aromatic heterocyclic group, an aryl group or a substituted aryl group, or R1 and R3 taken together with the carbon and nitrogen atoms to which they are bonded, and/or R2 and R4 taken together with the carbon and nitrogen atoms to which they are bonded, form a non-aromatic heterocyclic ring optionally fused to an aromatic ring.Type: ApplicationFiled: October 5, 2005Publication date: June 1, 2006Inventors: Keizo Koya, Lijun Sun, Shoujun Chen, Noriaki Tatsuta, Yaming Wu, Mitsunori Ono, Zhi-Qiang Xia
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Patent number: 7037940Abstract: Disclosed is a compound represented by the Structural Formula (I): Y is a covalent bond, a phenylene group or a substituted or unsubstituted straight chained hydrocarbyl group. In addition, Y, taken together with both >C?Z groups to which it is bonded, is a substituted or unsubstituted aromatic group. Preferably, Y is a covalent bond or —C(R7R8)—. R1 and R2 are independently an aryl group or a substituted aryl group, R3 and R4 are independently —H, an aliphatic group, a substituted aliphatic group, an aryl group or a substituted aryl group. R5–R6 are independently —H, an aliphatic group, a substituted aliphatic group, an aryl group or a substituted aryl group. R7 and R8 are each independently —H, an aliphatic or substituted aliphatic group, or R7 is —H and R8 is a substituted or unsubstituted aryl group, or, R7 and R8, taken together, are a C2–C6 substituted or unsubstituted alkylene group. Z is ?0 or ?S.Type: GrantFiled: May 14, 2004Date of Patent: May 2, 2006Assignee: Synta Pharmaceuticals Corp.Inventors: Keizo Koya, Lijun Sun, Shoujun Chen, Noriaki Tatsuta, Yaming Wu, Mitsunori Ono
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Patent number: 7001923Abstract: One embodiment of the present invention is a compound represented by the Structural Formula (I): Y is a covalent bond of a substituted or unsubstituted straight chained hydrocarbyl group. In addition, Y, taken together with both >C=Z groups to which it is bonded, is a substituted or unsubstituted aromatic group. Preferably, Y is a covalent bond or —C(R7R8)—. R1 is an aliphatic group, a substituted aliphatic group, a non-aromatic hetereocyclic group, or a substituted non-aromatic hetereocyclic group, R2–R4 are independently —H, an aliphatic group, a substituted aliphatic group, a non-aromatic hetereocyclic group, a substituted non-aromatic hetereocyclic group, an aryl group or a substituted aryl group, or R1 and R3 taken together with the carbon and nitrogen atoms to which they are bonded, and/or R2 and R4 taken together with the carbon and nitrogen atoms to which they are bonded, form a non-aromatic heterocyclic ring optionally fused to an aromatic ring.Type: GrantFiled: March 18, 2004Date of Patent: February 21, 2006Assignee: Synta Pharmaceuticals Corp.Inventors: Keizo Koya, Lijun Sun, Shoujun Chen, Noriaki Tatsuta, Yaming Wu, Mitsunori Ono, Zhi-Qiang Xia
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Patent number: 6924312Abstract: Disclosed is a compound represented by the Structural Formula (I): Y is a covalent bond, a phenylene group or a substituted or unsubstituted straight chained hydrocarbyl group. In addition, Y, taken together with both >C?Z groups to which it is bonded, is a substituted or unsubstituted aromatic group. Preferably, Y is a covalent bond or —C(R7R8)—. R1 and R2 are independently an aryl group or a substituted aryl group, R3 and R4 are independently —H, an aliphatic group, a substituted aliphatic group, an aryl group or a substituted aryl group. R5-R6 are independently —H, an aliphatic group, a substituted aliphatic group, an aryl group or a substituted aryl group. R7 and R8 are each independently —H, an aliphatic or substituted aliphatic group, or R7 is —H and R8 is a substituted or unsubstituted aryl group, or, R7 and R8, taken together, are a C2-C6 substituted or unsubstituted alkylene group. Z is ?O or ?S.Type: GrantFiled: January 15, 2003Date of Patent: August 2, 2005Assignee: Synta Pharmaceuticals Corp.Inventors: Keizo Koya, Lijun Sun, Shoujun Chen, Noriaki Tatsuta, Yaming Wu, Mitsunori Ono
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Publication number: 20050009920Abstract: Disclosed is a compound represented by the Structural Formula (I): Y is a covalent bond, a phenylene group or a substituted or unsubstituted straight chained hydrocarbyl group. In addition, Y, taken together with both >C?Z groups to which it is bonded, is a substituted or unsubstituted aromatic group. Preferably, Y is a covalent bond or —C(R7R8)—. R1 and R2 are independently an aryl group or a substituted aryl group, R3 and R4 are independently —H, an aliphatic group, a substituted aliphatic group, an aryl group or a substituted aryl group. R5-R6 are independently —H, an aliphatic group, a substituted aliphatic group, an aryl group or a substituted aryl group. R7 and R8 are each independently —H, an aliphatic or substituted aliphatic group, or R7 is —H and R8 is a substituted or unsubstituted aryl group, or, R7 and R8, taken together, are a C2-C6 substituted or unsubstituted alkylene group. Z is ?0 or ?S.Type: ApplicationFiled: May 14, 2004Publication date: January 13, 2005Applicant: Synta Pharmaceuticals Corp.Inventors: Keizo Koya, Lijun Sun, Shoujun Chen, Noriaki Tatsuta, Yaming Wu, Mitsunori Ono
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Publication number: 20040235909Abstract: One embodiment of the present invention is a compound represented by the Structural Formula (I): 1Type: ApplicationFiled: March 18, 2004Publication date: November 25, 2004Applicant: Synta Pharmaceuticals, Inc.Inventors: Keizo Koya, Lijun Sun, Shoujun Chen, Noriaki Tatsuta, Yaming Wu, Mitsunori Ono, Zhi-Qiang Xia
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Publication number: 20040225016Abstract: One embodiment of the present invention is a method of treating a subject with a multi-drug resistant cancer.Type: ApplicationFiled: January 15, 2004Publication date: November 11, 2004Applicant: Synta Pharmaceuticals CorporationInventors: Keizo Koya, Lijun Sun, Yaming Wu, Timothy Korbut, Dan Zhou, Zhenjian Du, Shoujun Chen, Noriaki Tatsuta, Guiqing Liang, Mitsunori Ono
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Patent number: 6800660Abstract: Disclosed is a compound represented by the Structural Formula (I): Y is a covalent bond, a phenylene group or a substituted or unsubstituted straight chained hydrocarbyl group. In addition, Y, taken together with both >C═Z groups to which it is bonded, is a substituted or unsubstituted aromatic group. Preferably, Y is a covalent bond or —C(R7R8)—. R1 and R2 are independently an aryl group or a substituted aryl group, R3 and R4 are independently —H, an aliphatic group, a substituted aliphatic group, an aryl group or a substituted aryl group. R5-R6 are independently —H, an aliphatic group, a substituted aliphatic group, an aryl group or a substituted aryl group. R7 and R8 are each independently —H, an aliphatic or substituted aliphatic group, or R7 is —H and R8 is a substituted or unsubstituted aryl group, or, R7 and R8, taken together, are a C2-C6 substituted or unsubstituted alkylene group. Z is ═O or ═S.Type: GrantFiled: July 10, 2002Date of Patent: October 5, 2004Assignee: Synta Pharmaceuticals Corp.Inventors: Keizo Koya, Lijun Sun, Shoujun Chen, Noriaki Tatsuta, Yaming Wu, Mitsunori Ono
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Publication number: 20040175475Abstract: This invention relates to a water-soluble bean-based extract including one or more isoflavone glycosides. Also disclosed is a method of preparing such a water-soluble bean-based extract.Type: ApplicationFiled: December 23, 2003Publication date: September 9, 2004Inventors: Mitsunori Ono, Keizo Koya, Noriaki Tatsuta, Naoto Yamaguchi, Lan Bo Chen
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Patent number: 6762204Abstract: One embodiment of the present invention is a compound represented by the Structural Formula (I): Y is a covalent bond of a substituted or unsubstituted straight chained hydrocarbyl group. In addition, Y, taken together with both >C═Z groups to which it is bonded, is a substituted or unsubstituted aromatic group. Preferably, Y is a covalent bond or —C(R7R8)—. R1 is an aliphatic group, a substituted aliphatic group, a non-aromatic heterocyclic group, or a substituted non-aromatic heterocyclic group, R2-R4 are independently —H, an aliphatic group, a substituted aliphatic group, a non-aromatic heterocyclic group, a substituted non-aromatic heterocyclic group, an aryl group or a substituted aryl group, or R1 and R3 taken together with the carbon and nitrogen atoms to which they are bonded, and/or R2 and R4 taken together with the carbon and nitrogen atoms to which they are bonded, form a non-aromatic heterocyclic ring optionally fused to an aromatic ring.Type: GrantFiled: July 10, 2002Date of Patent: July 13, 2004Assignee: Synta Pharmaceuticals, Inc.Inventors: Keizo Koya, Lijun Sun, Shoujun Chen, Noriaki Tatsuta, Yaming Wu, Mitsunori Ono, Zhi-Qiang Xia
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Publication number: 20030195258Abstract: Disclosed is a compound represented by the Structural Formula (I): 1Type: ApplicationFiled: January 15, 2003Publication date: October 16, 2003Applicant: Synta Pharmaceuticals Corp.Inventors: Keizo Koya, Lijun Sun, Shoujun Chen, Noriaki Tatsuta, Yaming Wu, Mitsunori Ono
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Patent number: 6616959Abstract: This invention relates to a water-soluble bean-based extract including one or more isoflavone glycosides. Also shown is a method of preparing such a water-soluble bean-based extract.Type: GrantFiled: November 13, 2001Date of Patent: September 9, 2003Inventors: Mitsunori Ono, Keizo Koya, Noriaki Tatsuta, Naoto Yamaguchi, Lan Bo Chen
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Publication number: 20030119914Abstract: Disclosed is a compound represented by the Structural Formula (I): 1Type: ApplicationFiled: July 10, 2002Publication date: June 26, 2003Applicant: Shionogi BioResearch Corp.Inventors: Keizo Koya, Lijun Sun, Shoujun Chen, Noriaki Tatsuta, Yaming Wu, Mitsunori Ono
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Patent number: 6541062Abstract: This invention relates to a water-soluble soybean-based extract including one or more isoflavone glycosides. Also described is a method of preparing such a water-soluble soybean-based extract.Type: GrantFiled: December 18, 2000Date of Patent: April 1, 2003Inventors: Mitsunori Ono, Keizo Koya, Noriaki Tatsuta, Naoto Yamaguchi, Lan Bo Chen
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Publication number: 20030045518Abstract: One embodiment of the present invention is a compound represented by the Structural Formula (I): 1Type: ApplicationFiled: July 10, 2002Publication date: March 6, 2003Applicant: Shionogi BioResearch Corp.Inventors: Keizo Koya, Lijun Sun, Shoujun Chen, Noriaki Tatsuta, Yaming Wu, Mitsunori Ono, Zhi-Qiang Xia
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Patent number: 6458406Abstract: This invention relates to a water-soluble bean-based extract including one or more isoflavone glycosides. Also included is a method of preparing such a water-soluble bean-based extract.Type: GrantFiled: January 21, 2000Date of Patent: October 1, 2002Inventors: Mitsunori Ono, Keizo Koya, Noriaki Tatsuta, Naoto Yamaguchi, Lan Bo Chen
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Publication number: 20020048627Abstract: This invention relates to a water-soluble bean-based extract including one or more isoflavone glycosides. Also disclosed is a method of preparing such a water-soluble bean-based extract.Type: ApplicationFiled: November 13, 2001Publication date: April 25, 2002Inventors: Mitsunori Ono, Keizo Koya, Noriaki Tatsuta, Naoto Yamaguchi, Lan Bo Chen