Patents by Inventor Yuji Yoshimitsu
Yuji Yoshimitsu 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: 20220185841Abstract: Provided are a method for producing a peptide compound including a step of using a hydrazine derivative represented by Formula (1); a reagent for forming a protective group including the compound; and a hydrazine derivative. In Formula (1), a ring A represents an aromatic hydrocarbon ring or an aromatic heterocyclic ring, R represents a hydrogen atom, an amino protective group, an amino acid residue, or a peptide residue, k represents an integer of 1 to 5, n represents 1 or 2, and RA's each independently represent an aliphatic hydrocarbon group or an organic group having an aliphatic hydrocarbon group.Type: ApplicationFiled: March 8, 2022Publication date: June 16, 2022Inventor: Yuji YOSHIMITSU
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Patent number: 11319347Abstract: An object of the present invention is to provide a novel cyclic peptide compound excellent in cell membrane permeability, a method for producing the same, a composition for screening use, and a method for selecting a cyclic peptide compound that binds to a target substance. According to the present invention, a peptide compound represented by Formula (1) or a salt thereof is provided. In the formula, the symbols have the meanings as defined in the specification of the present application.Type: GrantFiled: September 20, 2019Date of Patent: May 3, 2022Assignee: FUJIFILM CorporationInventors: Masaaki Inoue, Takashi Tamura, Yuji Yoshimitsu, Takahiro Hohsaka, Takayoshi Watanabe
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Publication number: 20210380633Abstract: Provided are a method for producing a peptide compound including a step of using an aromatic heterocyclic compound represented by Formula (1) represented by Formula (1); a protective group-forming reagent including the compound; and the compound. In Formula (1), a ring A represents an aromatic heterocyclic ring, YA's each independently represent —OH, —NHR, —SH, or —X0, where X0 represents Cl, Br, or I, RA and RC each independently represent an aliphatic hydrocarbon group or an organic group having an aliphatic hydrocarbon group, RBs' each independently represent a monovalent aliphatic hydrocarbon group, a (1+c)-valent aromatic group, or a (1+c)-valent heteroaromatic group, where, in a case where both a and c is 0, RB is a monovalent aliphatic hydrocarbon group, and the number of carbon atoms in at least one aliphatic hydrocarbon group of RA, RB, or RC is 12 or more.Type: ApplicationFiled: August 23, 2021Publication date: December 9, 2021Inventors: Yosuke YAMAMOTO, Kazuhei KANEKO, Motomasa TAKAHASHI, Makoto TAKAHASHI, Mika IMAMURA, Hirotaka SATOU, Hirofumi OMURA, Yuji YOSHIMITSU, Keita TANAKA, Daisuke NAKAGAWA
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Publication number: 20210380634Abstract: Provided are a method for producing a peptide compound including a step of using a condensed polycyclic aromatic hydrocarbon compound represented by Formula (1); a protective group-forming reagent including the compound; and the compound. In Formula (1), a ring A represents a condensed polycyclic aromatic hydrocarbon ring, YA's each independently represent —CH2OH, —CH2NHR, —CH2SH, or —CH2X0, where R represents a hydrogen atom, an alkyl group, or an aralkyl group, and X0 represents Cl, Br, or I, k represents an integer of 1 to 5, n represents 1 or 2, and RA's each independently represent an aliphatic hydrocarbon group or an organic group having an aliphatic hydrocarbon group.Type: ApplicationFiled: August 22, 2021Publication date: December 9, 2021Inventors: Yosuke YAMAMOTO, Kazuhei KANEKO, Motomasa TAKAHASHI, Makoto TAKAHASHI, Mika IMAMURA, Hirotaka SATOU, Hirofumi OMURA, Yuji YOSHIMITSU, Daisuke NAKAGAWA, Keita TANAKA
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Publication number: 20200040039Abstract: An object of the present invention is to provide a novel cyclic peptide compound excellent in cell membrane permeability, a method for producing the same, a composition for screening use, and a method for selecting a cyclic peptide compound that binds to a target substance. According to the present invention, a peptide compound represented by Formula (1) or a salt thereof is provided. In the formula, the symbols have the meanings as defined in the specification of the present application.Type: ApplicationFiled: September 20, 2019Publication date: February 6, 2020Applicant: FUJIFILM CorporationInventors: Masaaki INOUE, Takashi TAMURA, Yuji YOSHIMITSU, Takahiro HOHSAKA, Takayoshi WATANABE
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Patent number: 10385089Abstract: Disclosed are a compound and a pharmaceutical composition that exhibit an excellent drug efficacy against a tumor, in particular a tumor which has acquired resistance to gemcitabine. Specifically, provided is a thionucleoside derivative represented by General (in the formula, R1 represents a hydroxyl group which may be protected, a C1-20 alkoxy group which may be substituted, or the like; R2 represents a C1-20 alkoxy group which may be substituted, a C3-8 cycloalkoxy group which may be substituted, or the like; and R3 represents a hydrogen atom or the like); or a salt thereof. Further, provided is a pharmaceutical composition containing such a thionucleoside derivative or a salt thereof.Type: GrantFiled: July 17, 2018Date of Patent: August 20, 2019Assignee: FUJIFILM CorporationInventors: Hidenobu Kuniyoshi, Daisuke Nakagawa, Takuya Matsumoto, Yuji Yoshimitsu
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Publication number: 20180319834Abstract: Disclosed are a compound and a pharmaceutical composition that exhibit an excellent drug efficacy against a tumor, in particular a tumor which has acquired resistance to gemcitabine. Specifically, provided is a thionucleoside derivative represented by General (in the formula, R1 represents a hydroxyl group which may be protected, a C1-20 alkoxy group which may be substituted, or the like; R2 represents a C1-20 alkoxy group which may be substituted, a C3-8 cycloalkoxy group which may be substituted, or the like; and R3 represents a hydrogen atom or the like); or a salt thereof. Further, provided is a pharmaceutical composition containing such a thionucleoside derivative or a salt thereof.Type: ApplicationFiled: July 17, 2018Publication date: November 8, 2018Applicant: FUJIFILM CorporationInventors: Hidenobu KUNIYOSHI, Daisuke NAKAGAWA, Takuya MATSUMOTO, Yuji YOSHIMITSU
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Patent number: 10059734Abstract: Disclosed are a compound and a pharmaceutical composition that exhibit an excellent drug efficacy against a tumor, in particular a tumor which has acquired resistance to gemcitabine. Specifically, provided is a thionucleoside derivative represented by General Formula [1] (in the formula, R1 represents a hydroxyl group which may be protected, a C1-20 alkoxy group which may be substituted, or the like; R2 represents a C1-20 alkoxy group which may be substituted, a C3-8 cycloalkoxy group which may be substituted, or the like; and R3 represents a hydrogen atom or the like); or a salt thereof. Further, provided is a pharmaceutical composition containing such a thionucleoside derivative or a salt thereof.Type: GrantFiled: April 28, 2017Date of Patent: August 28, 2018Assignee: FUJIFILM CorporationInventors: Hidenobu Kuniyoshi, Daisuke Nakagawa, Takuya Matsumoto, Yuji Yoshimitsu
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Publication number: 20170233429Abstract: Disclosed are a compound and a pharmaceutical composition that exhibit an excellent drug efficacy against a tumor, in particular a tumor which has acquired resistance to gemcitabine. Specifically, provided is a thionucleoside derivative represented by General Formula [1] (in the formula, R1 represents a hydroxyl group which may be protected, a C1-20 alkoxy group which may be substituted, or the like; R2 represents a C1-20 alkoxy group which may be substituted, a C3-8 cycloalkoxy group which may be substituted, or the like; and R3 represents a hydrogen atom or the like); or a salt thereof. Further, provided is a pharmaceutical composition containing such a thionucleoside derivative or a salt thereof.Type: ApplicationFiled: April 28, 2017Publication date: August 17, 2017Applicant: FUJIFILM CorporationInventors: Hidenobu KUNIYOSHI, Daisuke NAKAGAWA, Takuya MATSUMOTO, Yuji YOSHIMITSU
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Patent number: 8965050Abstract: A behavior analysis device has an object extraction portion that processes a frame image of an imaging area being imaged by an imaging device and extracts an object being imaged, a position detection portion that detects a position in the imaging area, for each object extracted by the object extraction portion, a posture estimation portion that estimates an posture of the object, for each object extracted by the object extraction portion, and a behavior determination portion that determines a behavior of the object, for each object extracted by the object extraction portion, based on the position in the imaging area that is detected by the position detection portion and the posture estimated by the posture estimation portion.Type: GrantFiled: August 10, 2011Date of Patent: February 24, 2015Assignees: OMRON Corporation, The University of TokyoInventors: Yuji Yoshimitsu, Takeshi Naito, Shunsuke Kamijo, Kaichi Fujimura
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Publication number: 20130164722Abstract: A behavior analysis device has an object extraction portion that processes a frame image of an imaging area being imaged by an imaging device and extracts an object being imaged, a position detection portion that detects a position in the imaging area, for each object extracted by the object extraction portion, a posture estimation portion that estimates an posture of the object, for each object extracted by the object extraction portion, and a behavior determination portion that determines a behavior of the object, for each object extracted by the object extraction portion, based on the position in the imaging area that is detected by the position detection portion and the posture estimated by the posture estimation portion.Type: ApplicationFiled: August 10, 2011Publication date: June 27, 2013Applicants: THE UNIVERSITY OF TOKYO, OMRON CORPORATIONInventors: Yuji Yoshimitsu, Takeshi Naito, Shunsuke Kamijo, Kaichi Fujimura
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Publication number: 20130002868Abstract: A surveillance camera terminal includes a wireless communication means that performs wireless communication with another terminal located near the subject terminal either directly or via another terminal, an imaging means that images part of a surveillance area assigned to the subject terminal with an imaging visual field positioning the part of the surveillance area, an imaging visual field control means that adjusts the imaging visual field of the imaging means to a desired region in the surveillance area, an object extracting means that extracts an object being imaged by processing a frame image taken by the imaging means, a tracking means that tracks the object extracted by the object extracting means in the surveillance area, a handover means that hands over the object being tracked by the tracking means, and a wireless communication path forming means.Type: ApplicationFiled: January 21, 2011Publication date: January 3, 2013Applicant: OMRON CORPORATIONInventors: Yuji Yoshimitsu, Takeshi Naito, Masataka Serikawa