Patents by Inventor Takeshi Shigenaga

Takeshi Shigenaga 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).

  • Publication number: 20240092916
    Abstract: [Problem] Provided is a multispecific antibody for preventing or treating amyotrophic diseases such as inclusion body myositis by binding to ActRIIA, ActRIIB, and Fn14, and inhibiting an amyotrophic action which occurs via ActRIIA, ActRIIB, and Fn14. [Means for Solution] The present inventors have conducted studies on a multispecific antibody, and provided a multispecific antibody including a polypeptide consisting of the amino acid sequence of SEQ ID NO: 2 and a polypeptide consisting of the amino acid sequence of SEQ ID NO: 4.
    Type: Application
    Filed: January 12, 2022
    Publication date: March 21, 2024
    Applicant: Astellas Pharma Inc.
    Inventors: Shinji SOGA, Takeshi SHIGENAGA, Takeshi TSUTSUMI
  • Patent number: 7786106
    Abstract: There are provided compounds having an anticoagulant action on the basis of inhibition of activated blood coagulation factor X and being useful as anticoagulants or preventive/therapeutic agents for diseases induced by thrombosis or embolism. Effective ingredients are the compounds such as 4?-bromo-2?-[(5-chloro-2-pyridyl) carbamoyl]-6?-?-D-galactopyranosyloxy-1-isopropylpiperidine-4-carboxanilide, 2?-(2-acetamido-2-deoxy-?-D-glucopyranosyloxy)-4?-bromo-6?-[(5-chloro-2-pyridyl)carbamoyl]-1-isopropylpiperidine-4-carboxanilide, etc. or salts thereof.
    Type: Grant
    Filed: January 20, 2009
    Date of Patent: August 31, 2010
    Assignee: Astellas Pharma Inc.
    Inventors: Tsukasa Ishihara, Fukushi Hirayama, Keizo Sugasawa, Yuji Koga, Takeshi Kadokura, Takeshi Shigenaga
  • Publication number: 20090137498
    Abstract: There are provided compounds having an anticoagulant action on the basis of inhibition of activated blood coagulation factor X and being useful as anticoagulants or preventive/therapeutic agents for diseases induced by thrombosis or embolism. Effective ingredients are the compounds such as 4?-bromo-2?-[(5-chloro-2-pyridyl)carbamoyl]-6?-?-D-galactopyranosyloxy-1-isopropylpiperidine-4-carboxanilide, 2?-(2-acetamido-2-deoxy-?-D-glucopyranosyloxy)-4?-bromo-6?-[(5-chloro-2-pyridyl)carbamoyl]-1-isopropylpiperidine-4-carboxanilide, etc. or salts thereof.
    Type: Application
    Filed: January 20, 2009
    Publication date: May 28, 2009
    Applicant: ASTELLAS PHARMA INC.
    Inventors: Tsukasa Ishihara, Fukushi Hirayama, Keizo Sugasawa, Yuji Koga, Takeshi Kadokura, Takeshi Shigenaga
  • Patent number: 7504417
    Abstract: There are provided compounds having an anticoagulant action on the basis of inhibition of activated blood coagulation factor X and being useful as anticoagulants or preventive/therapeutic agents for diseases induced by thrombosis or embolism. Effective ingredients are the compounds such as 4?-bromo-2?-[(5-chloro-2-pyridyl)carbamoyl]-6?-?-D-galactopyranosyloxy-1-isopropylpiperidine-4-carboxanilide, 2?-(2-acetamido-2-deoxy-?-D-glucopyranosyloxy)-4?-bromo-6?-[(5-chloro-2-pyridyl)carbamoyl]-1-isopropylpiperidine-4-carboxanilide, etc. or salts thereof.
    Type: Grant
    Filed: November 21, 2001
    Date of Patent: March 17, 2009
    Assignee: Astellas Pharma Inc.
    Inventors: Tsukasa Ishihara, Fukushi Hirayama, Keizo Sugasawa, Yuji Koga, Takeshi Kadokura, Takeshi Shigenaga
  • Patent number: 7307074
    Abstract: To provide a compound which has an anticoagulation action based upon inhibition of activated blood coagulation factor X and is useful as an anticoagulant or an agent for prevention and treatment of diseases caused by thrombus or embolus. A diazepan derivative such as 4-[(3-carbamimidoylphenylamino)methyl]-3-[4-(4-methyl-1,4-diazepan-1-yl)benzoylamino]benzoic acid and 3-hydroxy-4?-methoxy-2-{[4-(4-methyl-1,4-diazepan-1-yl)benzoyl]amino}benzanilide or a salt thereof is an effective ingredient.
    Type: Grant
    Filed: September 8, 2003
    Date of Patent: December 11, 2007
    Assignee: Astellas Pharma Inc.
    Inventors: Fukushi Hirayama, Hiroyuki Koshio, Tsukasa Ishihara, Norio Seki, Shunichiro Hachiya, Keizo Sugasawa, Ryota Shiraki, Yuji Koga, Yuzo Matsumoto, Takeshi Shigenaga, Souichirou Kawazoe
  • Publication number: 20040077555
    Abstract: There are provided compounds having an anticoagulant action on the basis of inhibition of activated blood coagulation factor X and being useful as anticoagulants or preventive/therapeutic agents for diseases induced by thrombosis or embolism. Effective ingredients are the compounds such as 4′-bromo-2′-[(5-chloro-2-pyridyl)carbamoyl]-6′-&bgr;-D-galactopyranosyloxy-1-isopropylpiperidine-4-carboxanilide, 2′-(2-acetamido-2-deoxy-&bgr;-D-glucopyranosyloxy)-4′-bromo-6′-[(5-chloro-2-pyridyl)carbamoyl]-1-isopropylpiperidine-4-carboxanilide, etc. or salts thereof.
    Type: Application
    Filed: September 10, 2003
    Publication date: April 22, 2004
    Inventors: Tsukasa Ishihara, Fukushi Hirayama, Keizo Sugasawa, Yuji Koga, Takeshi Kadokura, Takeshi Shigenaga
  • Publication number: 20040068109
    Abstract: To provide a compound which has an anticoagulation action based upon inhibition of activated blood coagulation factor X and is useful as an anticoagulant or an agent for prevention and treatment of diseases caused by thrombus or embolus. A diazepan derivative such as 4-[(3-carbamimidoylphenylamino)methyl]-3-[4-(4-methyl-1,4-diazepan-1-yl)benzoylamino]benzoic acid and 3-hydroxy-4′-methoxy-2-{[4-(4-methyl-1,4-diazepan-1-yl)benzoyl]amino}benzanilide or a salt thereof is an effective ingredient.
    Type: Application
    Filed: September 8, 2003
    Publication date: April 8, 2004
    Applicant: YAMANOUCHI PHARMACEUTICAL CO. LTD.
    Inventors: Fukushi Hirayama, Hiroyuki Koshio, Tsukasa Ishihara, Norio Seki, Shunichiro Hachiya, Keizo Sugasawa, Ryota Shiraki, Yuji Koga, Yuzo Matsumoto, Takeshi Shigenaga, Souichirou Kawazoe
  • Patent number: 6642224
    Abstract: To provide a compound which has an anticoagulation action based upon inhibition of activated blood coagulation factor X and is useful as an anticoagulant or an agent for prevention and treatment of diseases caused by thrombus or embolus. A diazepan derivative such as 4-[(3-carbamimidoylphenylamino)methyl]-3-[4-(4-METHYL-1,4-diazepan-1-yl)benzoylamino]benzoic acid and 3-hydroxy-4′-methoxy-2-{[4-(4-methyl-1,4-diazepan-1-yl)benzoyl]amino}benzanilide or a salt thereof is an effective ingredient.
    Type: Grant
    Filed: October 2, 2002
    Date of Patent: November 4, 2003
    Assignee: Yamanouchi Pharmaceutical Co., Ltd.
    Inventors: Fukushi Hirayama, Hiroyuki Koshio, Tsukasa Ishihara, Norio Seki, Shunichiro Hachiya, Keizo Sugasawa, Ryota Shiraki, Yuji Koga, Yuzo Matsumoto, Takeshi Shigenaga, Souichirou Kawazoe
  • Publication number: 20030195193
    Abstract: To provide a compound which has an anticoagulation action based upon inhibition of activated blood coagulation factor X and is useful as an anticoagulant or an agent for prevention and treatment of diseases caused by thrombus or embolus. A diazepan derivative such as 4-[(3-carbamimidoylphenylamino)methyl]-3-[4-(4-methyl-1,4-diazepan-1-yl)benzoylamino]benzoic acid and 3-hydroxy-4′methoxy-2-{[4-(4-methyl-1,4-diazepan-1-yl)benzoyl]amino}benzanilide or a salt thereof is an effective ingredient.
    Type: Application
    Filed: October 2, 2002
    Publication date: October 16, 2003
    Inventors: Fukushi Hirayama, Hiroyuki Koshio, Tsukasa Ishihara, Norio Seki, Shunichiro Haehiya, Keizo Sugasawa, Ryota Shiraki, Yuji Koga, Yuzo Matsumoto, Takeshi shigenaga, Souichirou Kawazoe
  • Patent number: RE43481
    Abstract: To provide a compound which has an anticoagulation action based upon inhibition of activated blood coagulation factor X and is useful as an anticoagulant or an agent for prevention and treatment of diseases caused by thrombus or embolus. A diazepan derivative such as 4-[(3-carbamimidoylphenylamino)methyl]-3-[4-(4-methyl-1,4-diazepan-1-yl)benzoylamino]benzoic acid and 3-hydroxy-4?-methoxy-2-{[4-(4-methyl-1,4-diazepan-1-yl)benzoyl]amino}benzanilide or a salt thereof is an effective ingredient.
    Type: Grant
    Filed: September 3, 2008
    Date of Patent: June 19, 2012
    Assignee: Astellas Pharma Inc.
    Inventors: Fukushi Hirayama, Hiroyuki Koshio, Tsukasa Ishihara, Norio Seki, Shunichiro Hachiya, Keizo Sugasawa, Ryota Shiraki, Yuji Koga, Yuzo Matsumoto, Takeshi Shigenaga, Souichirou Kawazoe