Patents by Inventor Mitsuhiro Iwamoto

Mitsuhiro Iwamoto 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).

  • Patent number: 11958878
    Abstract: The present invention establishes a molecular therapy for glycogen storage disease type Ia. The present invention provides an oligonucleotide of 15-30 bases comprising a nucleotide sequence complementary to die cDNA of G6PC gene with c.648G>T mutation, wherein the oligonucleotide comprises a sequence complementary to a region comprising any site between the 82nd to the 92nd nucleotide from the 5? end of exon 5 of the G6PC gene with c.648C>T mutation, a pharmacologically acceptable salt or solvate thereof. Also provided is a pharmaceutical drug comprising the oligonucleotide, a pharmacologically acceptable salt or solvate thereof (e.g., therapeutic drug for glycogen storage disease type Ia).
    Type: Grant
    Filed: March 5, 2019
    Date of Patent: April 16, 2024
    Assignees: Daiichi Sankyo Company, Limited, Kobe Gakuin Educational Foundation
    Inventors: Makoto Koizumi, Yoshiyuki Onishi, Takeshi Masuda, Mitsuhiro Iwamoto, Yukiko Sekiguchi, Kentaro Ito, Shinnosuke Tsuji, Masafumi Matsuo
  • Patent number: 11661021
    Abstract: A vehicle body front structure includes front frames, first and second bumper beams, sub-frames, gussets, and load transmission members. The front frames extend in a front-rear direction. The first bumper beam is disposed in front of the front frames. The first bumper beam extends in a vehicle width direction. The sub-frames are disposed below the front frames. The sub-frames extend in the front-rear direction. The second bumper beam is coupled to front ends of the sub-frames. Ends of the second bumper beam protrude further outward than the first bumper beam. Each gusset is coupled to a corresponding one of ends of the second bumper beam and a corresponding one of intermediate portions of the sub-frames. The gussets transmit an impact load to the intermediate portions. The load transmission members are coupled to the sub-frames. The load transmission members are disposed on outer side surfaces of the front frame.
    Type: Grant
    Filed: March 25, 2021
    Date of Patent: May 30, 2023
    Assignee: SUBARU CORPORATION
    Inventor: Mitsuhiro Iwamoto
  • Patent number: 11628223
    Abstract: A novel antibody-pyrrolodiazepine derivative and a novel antibody-pyrrolodiazepine derivative conjugate using the same, comprising substituted benzo[e]pyrrolo[1,2-a][1,4]diazepines represented by the [Formula 24], [Formula 25], [Formula 26], and/or [Formula 27].
    Type: Grant
    Filed: September 28, 2018
    Date of Patent: April 18, 2023
    Assignee: DAIICHI SANKYO COMPANY, LIMITED
    Inventors: Narihiro Toda, Yusuke Ota, Fuminao Doi, Masaki Meguro, Ichiro Hayakawa, Shinji Ashida, Takeshi Masuda, Takashi Nakada, Mitsuhiro Iwamoto, Naoya Harada, Tomoko Terauchi, Daisuke Okajima, Kensuke Nakamura, Hiroaki Uchida, Hirofumi Hamada
  • Publication number: 20230084707
    Abstract: The present invention provides a novel antibody-pyrrolodiazepine derivative and a novel antibody-pyrrolodiazepine derivative conjugate using the same, and a novel CLDN6 and/or CLDN9 antibody.
    Type: Application
    Filed: April 5, 2022
    Publication date: March 16, 2023
    Applicant: DAIICHI SANKYO COMPANY, LIMITED
    Inventors: Narihiro TODA, Yusuke OTA, Fuminao DOI, Masaki MEGURO, Ichiro HAYAKAWA, Shinji ASHIDA, Takeshi MASUDA, Takashi NAKADA, Mitsuhiro IWAMOTO, Naoya HARADA, Tomoko TERAUCHI, Daisuke OKAJIMA, Kensuke NAKAMURA, Hiroaki UCHIDA, Hirofumi HAMADA
  • Patent number: 11583590
    Abstract: The present invention provides a novel antibody-pyrrolodiazepine derivative and a novel antibody-pyrrolodiazepine derivative conjugate using the same, and a novel CLDN6 and/or CLDN9 antibody.
    Type: Grant
    Filed: December 6, 2021
    Date of Patent: February 21, 2023
    Assignee: DAIICHI SANKYO COMPANY, LIMITED
    Inventors: Narihiro Toda, Yusuke Ota, Fuminao Doi, Masaki Meguro, Ichiro Hayakawa, Shinji Ashida, Takeshi Masuda, Takashi Nakada, Mitsuhiro Iwamoto, Naoya Harada, Tomoko Terauchi, Daisuke Okajima, Kensuke Nakamura, Hiroaki Uchida, Hirofumi Hamada
  • Publication number: 20220395579
    Abstract: The present invention provides a novel antibody-pyrrolodiazepine derivative and a novel antibody-pyrrolodiazepine derivative conjugate using the same, and a novel CLDN6 and/or CLDN9 antibody.
    Type: Application
    Filed: June 26, 2022
    Publication date: December 15, 2022
    Applicant: DAIICHI SANKYO COMPANY, LIMITED
    Inventors: Narihiro TODA, Yusuke OTA, Fuminao DOI, Masaki MEGURO, Ichiro HAYAKAWA, Shinji ASHIDA, Takeshi MASUDA, Takashi NAKADA, Mitsuhiro IWAMOTO, Naoya HARADA, Tomoko TERAUCHI, Daisuke OKAJIMA, Kensuke NAKAMURA, Hiroaki UCHIDA, Hirofumi HAMADA
  • Publication number: 20220378920
    Abstract: The present invention provides a conjugate of an oligonucleotide having a nucleic acid sequence expected to have a pharmacological effect in hepatic parenchymal cells with a biantennary GalNAc unit, or a pharmaceutically acceptable salt thereof, and a medicament or the like containing the same as an active component.
    Type: Application
    Filed: September 9, 2020
    Publication date: December 1, 2022
    Applicant: DAIICHI SANKYO COMPANY, LIMITED
    Inventors: Makoto Koizumi, Mitsuhiro Iwamoto, Yukiko Sekiguchi, Kentaro Ito
  • Publication number: 20220125943
    Abstract: The present invention provides a novel antibody-pyrrolodiazepine derivative and a novel antibody-pyrrolodiazepine derivative conjugate using the same, and a novel CLDN6 and/or CLDN9 antibody.
    Type: Application
    Filed: December 6, 2021
    Publication date: April 28, 2022
    Applicant: DAIICHI SANKYO COMPANY, LIMITED
    Inventors: Narihiro TODA, Yusuke OTA, Fuminao DOI, Masaki MEGURO, Ichiro HAYAKAWA, Shinji ASHIDA, Takeshi MASUDA, Takashi NAKADA, Mitsuhiro IWAMOTO, Naoya HARADA, Tomoko TERAUCHI, Daisuke OKAJIMA, Kensuke NAKAMURA, Hiroaki UCHIDA, Hirofumi HAMADA
  • Publication number: 20210331640
    Abstract: A vehicle body front structure includes front frames, first and second bumper beams, sub-frames, gussets, and load transmission members. The front frames extend in a front-rear direction. The first bumper beam is disposed in front of the front frames. The first bumper beam extends in a vehicle width direction. The sub-frames are disposed below the front frames. The sub-frames extend in the front-rear direction. The second bumper beam is coupled to front ends of the sub-frames. Ends of the second bumper beam protrude further outward than the first bumper beam. Each gusset is coupled to a corresponding one of ends of the second bumper beam and a corresponding one of intermediate portions of the sub-frames. The gussets transmit an impact load to the intermediate portions. The load transmission members are coupled to the sub-frames. The load transmission members are disposed on outer side surfaces of the front frame.
    Type: Application
    Filed: March 25, 2021
    Publication date: October 28, 2021
    Inventor: Mitsuhiro IWAMOTO
  • Patent number: 11008392
    Abstract: The present invention provides a conjugate comprising a hANP peptide bonded via a polyethylene glycol linker to a glycan attached to Asn297 of a Fc-containing molecule (N297 glycan), or a pharmaceutically acceptable salt thereof, a medicament comprising the same as an active ingredient, a method for producing the same, etc.
    Type: Grant
    Filed: June 30, 2017
    Date of Patent: May 18, 2021
    Assignee: DAIICHI SANKYO COMPANY, LIMITED
    Inventors: Mitsuhiro Iwamoto, Shohei Oishi, Yukiko Sekiguchi, Hiroyuki Chaya, Ryuki Miyauchi, Takeshi Honda
  • Patent number: 11001819
    Abstract: The present invention provides an EndoS mutant enzyme having an amino acid sequence of EndoS D233Q and further having a particular additional mutation and exhibiting a reduced hydrolysis activity, in comparison with the activity of EndoS D233Q, to an N-linked sugar chain (N297-linked sugar chain) linked to Asn at position 297 in IgG and a gene encoding the same.
    Type: Grant
    Filed: July 15, 2016
    Date of Patent: May 11, 2021
    Assignee: Daiichi Sankyo Company, Limited
    Inventors: Yoshirou Kawaguchi, Kensuke Nakamura, Yukiko Sekiguchi, Mitsuhiro Iwamoto
  • Patent number: 10947289
    Abstract: The present invention provides a modified atrial natriuretic peptide that exhibits prolonged duration in blood and maintains cGMP elevating activity. The present invention provides a modified peptide in which at least one sugar substance is linked directly through a glycosidic bond or via a linker structure to at least one hANP peptide, or a pharmaceutically acceptable salt thereof, a medicament comprising the modified peptide or the salt thereof as an active ingredient, etc.
    Type: Grant
    Filed: July 22, 2015
    Date of Patent: March 16, 2021
    Assignee: DAIICHI SANKYO COMPANY, LIMITED
    Inventors: Mitsuhiro Iwamoto, Takahiro Yamaguchi, Yutaka Mori, Keiji Saito, Takeshi Honda, Takahiro Nagayama
  • Publication number: 20210040170
    Abstract: The present invention provides a modified atrial natriuretic peptide that exhibits prolonged duration in blood and maintains cGMP elevating activity. The present invention provides a modified peptide in which at least one sugar substance is linked directly through a glycosidic bond or via a linker structure to at least one hANP peptide, or a pharmaceutically acceptable salt thereof, a medicament comprising the modified peptide or the salt thereof as an active ingredient, etc.
    Type: Application
    Filed: October 15, 2020
    Publication date: February 11, 2021
    Applicant: DAIICHI SANKYO COMPANY, LIMITED
    Inventors: Mitsuhiro IWAMOTO, Takahiro YAMAGUCHI, Yutaka MORI, Keiji SAITO, Takeshi HONDA, Takahiro NAGAYAMA
  • Publication number: 20200407394
    Abstract: The present invention establishes a molecular therapy for glycogen storage disease type Ia. The present invention provides an oligonucleotide of 15-30 bases comprising a nucleotide sequence complementary to the cDNA of G6PC gene with c.648G>T mutation, wherein the oligonucleotide comprises a sequence complementary to a region comprising any site between the 82nd to the 92nd nucleotide from the 5? end of exon 5 of the G6PC gene with c.648G>T mutation, a pharmacologically acceptable salt or solvate thereof. Also provided is a pharmaceutical drug comprising the oligonucleotide, a pharmacologically acceptable salt or solvate thereof (e.g., therapeutic drug for glycogen storage disease type Ia).
    Type: Application
    Filed: March 5, 2019
    Publication date: December 31, 2020
    Applicants: DAIICHI SANKYO COMPANY, LIMITED, KOBE GAKUIN EDUCATIONAL FOUNDATION
    Inventors: Makoto KOIZUMI, Yoshiyuki ONISHI, Takeshi MASUDA, Mitsuhiro IWAMOTO, Yukiko SEKIGUCHI, Kentaro ITO, Shinnosuke TSUJI, Masafumi MATSUO
  • Publication number: 20200261594
    Abstract: The present invention provides a novel antibody-pyrrolodiazepine derivative and a novel antibody-pyrrolodiazepine derivative conjugate using the same, and a novel CLDN6 and/or CLDN9 antibody.
    Type: Application
    Filed: September 28, 2018
    Publication date: August 20, 2020
    Applicant: DAIICHI SANKYO COMPANY, LIMITED
    Inventors: Narihiro TODA, Yusuke OTA, Fuminao DOI, Masaki MEGURO, Ichiro HAYAKAWA, Shinji ASHIDA, Takeshi MASUDA, Takashi NAKADA, Mitsuhiro IWAMOTO, Naoya HARADA, Tomoko TERAUCHI, Daisuke OKAJIMA, Kensuke NAKAMURA, Hiroaki UCHIDA, Hirofumi HAMADA
  • Publication number: 20190169293
    Abstract: The present invention provides a conjugate comprising a hANP peptide bonded via a polyethylene glycol linker to a glycan attached to Asn297 of a Fc-containing molecule (N297 glycan), or a pharmaceutically acceptable salt thereof, a medicament comprising the same as an active ingredient, a method for producing the same, etc.
    Type: Application
    Filed: June 30, 2017
    Publication date: June 6, 2019
    Applicant: DAIICHI SANKYO COMPANY, LIMITED
    Inventors: Mitsuhiro IWAMOTO, Shohei OISHI, Yukiko SEKIGUCHI, Hiroyuki CHAYA, Ryuki MIYAUCHI, Takeshi HONDA
  • Publication number: 20180208915
    Abstract: The present invention provides an EndoS mutant enzyme having an amino acid sequence of EndoS D233Q and further having a particular additional mutation and exhibiting a reduced hydrolysis activity, in comparison with the activity of EndoS D233Q, to an N-linked sugar chain (N297-linked sugar chain) linked to Asn at position 297 in IgG and a gene encoding the same.
    Type: Application
    Filed: July 15, 2016
    Publication date: July 26, 2018
    Applicant: Daiichi Sankyo Company, Limited
    Inventors: Yoshirou Kawaguchi, Kensuke Nakamura, Yukiko Sekiguchi, Mitsuhiro Iwamoto
  • Publication number: 20160017015
    Abstract: The present invention provides a modified atrial natriuretic peptide that exhibits prolonged duration in blood and maintains cGMP elevating activity. The present invention provides a modified peptide in which at least one sugar substance is linked directly through a glycosidic bond or via a linker structure to at least one hANP peptide, or a pharmaceutically acceptable salt thereof, a medicament comprising the modified peptide or the salt thereof as an active ingredient, etc.
    Type: Application
    Filed: July 22, 2015
    Publication date: January 21, 2016
    Applicant: Daiichi Sankyo Company, Limited
    Inventors: Mitsuhiro IWAMOTO, Takahiro Yamaguchi, Yutaka Mori, Keiji Saito, Takeshi Honda, Takahiro Nagayama
  • Patent number: 9051255
    Abstract: To find a therapeutic and/or prophylactic agent for gastrointestinal disorders and so on, the agent having excellent activity and high safety. A compound represented by the following general formula (I) or a pharmacologically acceptable salt thereof. In the formula, A represents an optionally substituted phenylene group; B represents an optionally substituted 4- to 10-membered heterocyclic group, an optionally substituted C6-C10 aryl group, or an optionally substituted C3-C10 cycloalkyl group; R1 represents a hydrogen atom or a C1-C3 alkyl group; R2 represents a hydrogen atom or a C1-C3 alkyl group; R3 represents a C1-C6 alkyl group, a C3-C10 cycloalkyl group, a C1-C3 alkoxy C1-C3 alkyl group, or a C1-C3 hydroxyalkyl group; R4 represents a hydrogen atom, a C1-C6 alkyl group, or a halogen atom; n represents an integer of 1 to 4; and X represents methylene, —O—, —NH—, —N(C1-C3 alkyl)-, —C(?O)—, —S—, —S(O)—, —S(O2)—, or a single bond.
    Type: Grant
    Filed: December 27, 2013
    Date of Patent: June 9, 2015
    Assignee: Daiichi Sankyo Company, Limited
    Inventors: Narihiro Toda, Rieko Takano, Takeshi Shida, Takahiro Katagiri, Mitsuhiro Iwamoto, Shinji Ashida, Mami Yamazaki
  • Publication number: 20140221391
    Abstract: To find a therapeutic and/or prophylactic agent for gastrointestinal disorders and so on, the agent having excellent activity and high safety. A compound represented by the following general formula (I) or a pharmacologically acceptable salt thereof. In the formula, A represents an optionally substituted phenylene group; B represents an optionally substituted 4- to 10-membered heterocyclic group, an optionally substituted C6-C10 aryl group, or an optionally substituted C3-C10 cycloalkyl group; R1 represents a hydrogen atom or a C1-C3 alkyl group; R2 represents a hydrogen atom or a C1-C3 alkyl group; R3 represents a C1-C6 alkyl group, a C3-C10 cycloalkyl group, a C1-C3 alkoxy C1-C3 alkyl group, or a C1-C3 hydroxyalkyl group; R4 represents a hydrogen atom, a C1-C6 alkyl group, or a halogen atom; n represents an integer of 1 to 4; and X represents methylene, —O—, —NH—, —N(C1-C3 alkyl)-, —C(?O)—, —S—, —S(O)—, —S(O2)—, or a single bond.
    Type: Application
    Filed: December 27, 2013
    Publication date: August 7, 2014
    Applicant: DAIICHI SANKYO COMPANY, LIMITED
    Inventors: Narihiro Toda, Rieko Takano, Takeshi Shida, Takahiro Katagiri, Mitsuhiro Iwamoto, Shinji Ashida, Mami Yamazaki