Patents by Inventor Kazuhiro Sugihara
Kazuhiro Sugihara 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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Publication number: 20220280596Abstract: The present invention is a cytocidal agent including a peptide consisting of an amino acid sequence represented by SEQ ID NO: 1 and a site selectively binding to a target molecule, in which the peptide consisting of an amino acid sequence represented by SEQ ID NO: 1 is a peptide exclusively consisting of L-amino acids, a peptide in which, in amino acid sequences represented by SEQ ID NO: 1, the first to the 14th amino acids are D-amino acids, and the 15th to 19th amino acids are L-amino acids, a peptide in which, in amino acid sequences represented by SEQ ID NO: 1, the first to 14th amino acids are L-amino acids, and the 15th to the 19th amino acids are D-amino acids, or a peptide exclusively consisting of D-amino acids.Type: ApplicationFiled: May 10, 2022Publication date: September 8, 2022Inventors: Kazuhiro SUGIHARA, Naohiro KANAYAMA, Yuichiro ONODERA, Toshiaki SHIBATA, Michiko FUKUDA, Motohiro NONAKA
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Patent number: 11357819Abstract: The present invention is a cytocidal agent including a peptide consisting of an amino acid sequence represented by SEQ ID NO: 1 and a site selectively binding to a target molecule, in which the peptide consisting of an amino acid sequence represented by SEQ ID NO: 1 is a peptide exclusively consisting of L-amino acids, a peptide in which, in amino acid sequences represented by SEQ ID NO: 1, the first to the 14th amino acids are D-amino acids, and the 15th to 19th amino acids are L-amino acids, a peptide in which, in amino acid sequences represented by SEQ ID NO: 1, the first to 14th amino acids are L-amino acids, and the 15th to the 19th amino acids are D-amino acids, or a peptide exclusively consisting of D-amino acids.Type: GrantFiled: August 23, 2018Date of Patent: June 14, 2022Assignee: FUJITA ACADEMYInventors: Kazuhiro Sugihara, Naohiro Kanayama, Yuichiro Onodera, Toshiaki Shibata, Michiko Fukuda, Motohiro Nonaka
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Patent number: 11191804Abstract: An object of the present invention is to provide a peptide drug that is able to selectively induce apoptosis in target cells. The present invention is a cytocidal agent containing a fusion peptide of an endosome escape peptide and an apoptosis-inducing peptide, which consists of an amino acid sequence represented by SEQ ID NO: 1, and the said cytocidal agent as a therapeutic agent for a disease caused by abnormal proliferation of cells.Type: GrantFiled: December 28, 2018Date of Patent: December 7, 2021Assignee: FUJITA ACADEMYInventors: Kazuhiro Sugihara, Naohiro Kanayama, Toshiaki Shibata, Yuichiro Onodera
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Publication number: 20210260202Abstract: Compositions and methods related to annexin 1-binding compounds. Also compositions comprising a moiety and a peptide comprising an amino acid sequence that can bind to a carbohydrate receptor on a cell. Isolated nucleic acids comprising a nucleic acid sequence encoding a peptide comprising an amino acid sequence that can bind to a carbohydrate receptor on a cell. Methods comprising administering to a subject a composition comprising a moiety and a peptide comprising an amino acid sequence that can bind to a carbohydrate receptor on a cell. Methods of targeting a tumor cell in a subject comprising administering to the subject a peptide comprising an amino acid sequence that can bind to a carbohydrate receptor on a cell. Methods of targeting a tumor cell in a subject comprising administering to the subject a composition comprising a moiety and a peptide comprising an amino acid sequence that can bind to a carbohydrate receptor on a cell.Type: ApplicationFiled: April 26, 2021Publication date: August 26, 2021Inventors: Michiko Fukuda, Kazuhiro Sugihara, Naohira Kanayama
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Publication number: 20200330549Abstract: An object of the present invention is to provide a peptide drug that is able to selectively induce apoptosis in target cells. The present invention is a cytocidal agent containing a fusion peptide of an endosome escape peptide and an apoptosis-inducing peptide, which consists of an amino acid sequence represented by SEQ ID NO: 1, and the said cytocidal agent as a therapeutic agent for a disease caused by abnormal proliferation of cells.Type: ApplicationFiled: December 28, 2018Publication date: October 22, 2020Inventors: Kazuhiro SUGIHARA, Naohiro KANAYAMA, Toshiaki SHIBATA, Yuichiro ONODERA
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Publication number: 20200289608Abstract: The present invention is a cytocidal agent including a peptide consisting of an amino acid sequence represented by SEQ ID NO: 1 and a site selectively binding to a target molecule, in which the peptide consisting of an amino acid sequence represented by SEQ ID NO: 1 is a peptide exclusively consisting of L-amino acids, a peptide in which, in amino acid sequences represented by SEQ ID NO: 1, the first to the 14 amino acids are D-amino acids, and the 15th to 19th amino acids are L-amino acids, a peptide in which, in amino acid sequences represented by SEQ ID NO: 1, the first to 14th amino acids are L-amino acids, and the 15th to the 1.9th amino acids are D-amino acids, or a peptide exclusively consisting of D-amino acids.Type: ApplicationFiled: August 23, 2018Publication date: September 17, 2020Inventors: Kazuhiro SUGIHARA, Naohiro KANAYAMA, Yuichiro ONODERA, Toshiaki SHIBATA, Michiko FUKUDA, Motohiro NONAKA
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Patent number: 9943333Abstract: The present invention relates to an agent for activating mammalian sperm and a method for activating sperm by use of the activating agent. More specifically, the present invention relates to a sperm activating agent containing endo-?-galactosidase and/or FGF, which accelerate motility of mammalian sperm, for use in in-vitro fertilization and artificial insemination by husband and a sperm activating method by adding endo-?-galactosidase and/or FGF.Type: GrantFiled: September 19, 2013Date of Patent: April 17, 2018Assignees: NATIONAL UNIVERSITY CORPORATION, HAMAMATSU UNIVERSITY SCHOOL OF MEDICINEInventors: Kazuhiro Sugihara, Michiko Fukuda
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Publication number: 20170326245Abstract: Compositions and methods related to annexin 1-binding compounds. Also compositions comprising a moiety and a peptide comprising an amino acid sequence that can bind to a carbohydrate receptor on a cell. Isolated nucleic acids comprising a nucleic acid sequence encoding a peptide comprising an amino acid sequence that can bind to a carbohydrate receptor on a cell. Methods comprising administering to a subject a composition comprising a moiety and a peptide comprising an amino acid sequence that can bind to a carbohydrate receptor on a cell. Methods of targeting a tumor cell in a subject comprising administering to the subject a peptide comprising an amino acid sequence that can bind to a carbohydrate receptor on a cell. Methods of targeting a tumor cell in a subject comprising administering to the subject a composition comprising a moiety and a peptide comprising an amino acid sequence that can bind to a carbohydrate receptor on a cell.Type: ApplicationFiled: April 4, 2017Publication date: November 16, 2017Inventors: Michiko Fukuda, Kazuhiro Sugihara, Naohira Kanayama
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Patent number: 9783576Abstract: Disclosed are compositions and methods for selectively targeting an endometriosis cell. Also disclosed are compositions and methods for treating endometriosis.Type: GrantFiled: June 11, 2014Date of Patent: October 10, 2017Assignee: Sanford-Burnham Medical Research InstituteInventors: Michiko Fukuda, Kazuhiro Sugihara
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Patent number: 9610359Abstract: Disclosed are conjugates comprising the annexin 1-binding peptide IFLLWQR covalently linked to a therapeutic or detectable agent. Also disclosed are compositions comprising a moiety and a peptide comprising an amino acid sequence that can bind to a carbohydrate receptor on a cell. Also disclosed are isolated nucleic acids comprising a nucleic acid sequence encoding a peptide comprising an amino acid sequence that can bind to a carbohydrate receptor on a cell. Also disclosed are methods comprising administering to a subject a composition comprising a moiety and a peptide comprising an amino acid sequence that can bind to a carbohydrate receptor on a cell. Also disclosed are methods of targeting a tumor cell in a subject comprising administering to the subject a peptide comprising an amino acid sequence that can bind to a carbohydrate receptor on a cell.Type: GrantFiled: December 23, 2010Date of Patent: April 4, 2017Assignees: Burnham Institute for Medical Research, Hamamatsu University School of MedicineInventors: Michiko Fukuda, Kazuhiro Sugihara, Naohira Kanayama
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Publication number: 20160145308Abstract: Disclosed are compositions and methods for selectively targeting an endometriosis cell. Also disclosed are compositions and methods for treating endometriosis.Type: ApplicationFiled: June 11, 2014Publication date: May 26, 2016Inventors: Michiko FUKUDA, Kazuhiro SUGIHARA
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Publication number: 20150245852Abstract: The present invention relates to an agent for activating mammalian sperm and a method for activating sperm by use of the activating agent. More specifically, the present invention relates to a sperm activating agent containing endo-?-galactosidase and/or FGF, which accelerate motility of mammalian sperm, for use in in-vitro fertilization and artificial insemination by husband and a sperm activating method by adding endo-?-galactosidase and/or FGF.Type: ApplicationFiled: September 19, 2013Publication date: September 3, 2015Applicant: National University Corporation Hamamatsu University School of MedicineInventors: Kazuhiro Sugihara, Michiko Fukuda
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Publication number: 20120251453Abstract: Disclosed are conjugates comprising the annexin 1-binding peptide IFLLWQR covalently linked to a therapeutic or detectable agent. Also disclosed are compositions comprising a moiety and a peptide comprising an amino acid sequence that can bind to a carbohydrate receptor on a cell. Also disclosed are isolated nucleic acids comprising a nucleic acid sequence encoding a peptide comprising an amino acid sequence that can bind to a carbohydrate receptor on a cell. Also disclosed are methods comprising administering to a subject a composition comprising a moiety and a peptide comprising an amino acid sequence that can bind to a carbohydrate receptor on a cell. Also disclosed are methods of targeting a tumor cell in a subject comprising administering to the subject a peptide comprising an amino acid sequence that can bind to a carbohydrate receptor on a cell.Type: ApplicationFiled: December 23, 2010Publication date: October 4, 2012Inventors: Michiko Fukuda, Kazuhiro Sugihara, Naohira Kanayama
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Patent number: 4960633Abstract: A microwave absorptive composite suitable for use in ships, aircrafts and the like comprises an outermost layer of a thermosetting resin-impregnated, fibrous sheet; an intermediate layer of a normally liquid, carbonblack-containing silicone rubber sheet; and an innermost layer of a reinforced thermosetting resin sheet, the three layers being integrally laminated in that order. The silicone rubber is curable at room temperature or with heat.Type: GrantFiled: April 20, 1987Date of Patent: October 2, 1990Assignee: The Yokohama Rubber Co., Ltd.Inventors: Misao Hiza, Hajime Yamazaki, Kazuhiro Sugihara, Tetsu So
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Patent number: 4923736Abstract: A multi-layered microwave absorber suitable for use in ships, aircrafts and the like comprises a plurality of layers differing in impedance which are bonded together into an integral sheet structure by a silicone-type adhesive compound applied to a coat thickness of less than 0.1 mm. The absorber is capable of wave absorption over a wide band, free from deformation or distortion, and highly heat-resistant and weather-proof. A method of manufacturing the multi-layered microwave absorber is also disclosed.Type: GrantFiled: April 20, 1987Date of Patent: May 8, 1990Assignee: The Yokohama Rubber Co., Ltd.Inventors: Misao Hiza, Hajime Yamazaki, Kazuhiro Sugihara, Tetsu So