Patents by Inventor Koichi Shudo

Koichi Shudo 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: 10485776
    Abstract: A medicament to be applied as an external preparation for therapeutic treatment of a local symptom of a neuropathic disease, which contains gabapentin or pregabalin in the form of an aqueous solution.
    Type: Grant
    Filed: May 23, 2018
    Date of Patent: November 26, 2019
    Assignee: KEMPHYS LTD.
    Inventors: Koichi Shudo, Kiyoshi Sugiyama
  • Publication number: 20180263942
    Abstract: A medicament to be applied as an external preparation for therapeutic treatment of a local symptom of a neuropathic disease, which contains gabapentin or pregabalin in the form of an aqueous solution.
    Type: Application
    Filed: May 23, 2018
    Publication date: September 20, 2018
    Applicant: KEMPHYS LTD.
    Inventors: Koichi SHUDO, Kiyoshi SUGIYAMA
  • Patent number: 10004710
    Abstract: A medicament to be applied as an external preparation for therapeutic treatment of a local symptom of a neuropathic disease, which contains gabapentin or pregabalin in the form of an aqueous solution.
    Type: Grant
    Filed: September 4, 2013
    Date of Patent: June 26, 2018
    Assignee: KEMPHYS LTD.
    Inventors: Koichi Shudo, Kiyoshi Sugiyama
  • Patent number: 9861640
    Abstract: A medicament for therapeutic and/or preventive treatment of Alzheimer's disease, which comprises a combination of a retinoic acid receptor (RAR) agonist such as Am80 and a retinoid X receptor (RXR) agonist such as HX630.
    Type: Grant
    Filed: May 30, 2014
    Date of Patent: January 9, 2018
    Assignee: KEMPHYS LTD.
    Inventors: Kohichi Kawahara, Michita Suenobu, Koichi Shudo
  • Publication number: 20160256422
    Abstract: A medicament to be applied as an external preparation for therapeutic treatment of a local symptom of a neuropathic disease, which contains gabapentin or pregabalin in the form of an aqueous solution.
    Type: Application
    Filed: September 4, 2013
    Publication date: September 8, 2016
    Applicant: KEMPHYS LTD.
    Inventors: Koichi SHUDO, Kiyoshi SUGIYAMA
  • Publication number: 20160206624
    Abstract: A medicament for therapeutic and/or preventive treatment of Alzheimer's disease, which comprises a combination of a retinoic acid receptor (RAR) agonist such as Am80 and a retinoid X receptor (RXR) agonist such as HX630.
    Type: Application
    Filed: May 30, 2014
    Publication date: July 21, 2016
    Applicant: KEMPHYS LTD.
    Inventors: Kohichi KAWAHARA, Michita SUENOBU, Koichi SHUDO
  • Patent number: 9353134
    Abstract: A compound represented by the formula (I) [at least one of R1, R2, and R3 represents a cyclic alkyl group, the remaining represents a linear or branched alkyl group; n represents 0 or 1; R4 represents an amino group or —(CX2)m—COOH (m represents 0 to 3, and X represents hydrogen atom); and R5 represents —(CY2)p—COOR6 (p represents 0 to 3, Y represents hydrogen atom, and R6 represents hydrogen atom or an alkyl group)], or a salt thereof.
    Type: Grant
    Filed: October 17, 2013
    Date of Patent: May 31, 2016
    Assignee: KEMPHYS LTD.
    Inventors: Hideaki Muratake, Ai Ito, Koichi Shudo
  • Publication number: 20150232487
    Abstract: A compound represented by the formula (I) [at least one of R1, R2, and R3 represents a cyclic alkyl group, the remaining represents a linear or branched alkyl group; n represents 0 or 1; R4 represents an amino group or —(CX2)m—COOH (m represents 0 to 3, and X represents hydrogen atom); and R5 represents —(CY2)p—COOR6 (p represents 0 to 3, Y represents hydrogen atom, and R6 represents hydrogen atom or an alkyl group)], or a salt thereof.
    Type: Application
    Filed: October 17, 2013
    Publication date: August 20, 2015
    Applicant: KEMPHYS LTD.
    Inventors: Hideaki Muratake, Ai Ito, Koichi Shudo
  • Patent number: 8895769
    Abstract: A compound represented by the formula (I) [R1 to R3 represent an alkyl group, an alkenyl group, and the like; n represents 0 or 1; R4 represents an amino group or —(CX2)m—COOH (m represents 0 to 3, and X represents hydrogen atom); R5 represents —(CY2)p—COOR6 (p represents an 0 to 3, Y represents hydrogen atom, and R6 represents hydrogen atom or an alkyl group)], or a salt thereof.
    Type: Grant
    Filed: April 19, 2012
    Date of Patent: November 25, 2014
    Assignee: Kemphys Ltd.
    Inventors: Hideaki Muratake, Ai Ito, Koichi Shudo
  • Patent number: 8785625
    Abstract: The invention provides a novel oxazolidinone derivative represented by the formula (I): wherein Ring A, X1, Ring B and R1 are as described in the description, and an antibacterial agent containing the same.
    Type: Grant
    Filed: February 14, 2012
    Date of Patent: July 22, 2014
    Assignees: Research Foundation Itsuu Laboratory, Shionogi & Co., Ltd.
    Inventors: Hideyuki Suzuki, Shoji Hizatate, Iwao Utsunomiya, Koichi Shudo
  • Patent number: 8722730
    Abstract: A compound represented by the following general formula (I): [wherein R1 and R2 represent an alkyl group, X represents —S—, —O— or —NH—, Y represents C or N, R3 represents hydrogen atom or a C1-10 alkyl group, Z represents —CO—N(R5)— (R5 represents hydrogen atom or a C1-6 alkyl group) or —C(R6)?C(R7)—CO—NH— (R6 and R7 represent hydrogen atom or a C1-6 alkyl group), Ar represents an aryldiyl group or a heteroaryldiyl group, and R4 represents —COOH, —OCH2—COOH, —CH2—COOH, or —CH2—CH2—COOH], which has a retinoid action and is useful as an active ingredient of a medicament.
    Type: Grant
    Filed: August 14, 2008
    Date of Patent: May 13, 2014
    Assignee: Research Foundation Itsuu Laboratory
    Inventors: Hideaki Muratake, Masayuki Noguchi, Koichi Shudo
  • Patent number: 8722723
    Abstract: A compound represented by the following general formula (I) (R1 and R2 represent hydrogen atom, an alkyl group, a halogen atom, etc.; R3 and R4 represent hydrogen atom, an alkyl group, an alkoxy group, or an alkenyl group; R5 represents hydrogen atom, an alkyl group, or nitro group, and R6 represents hydrogen atom or an alkyl group), which acts on the transcription process of genes.
    Type: Grant
    Filed: February 27, 2009
    Date of Patent: May 13, 2014
    Assignee: Research Foundation Itsuu Laboratory
    Inventors: Nobuko Fujimaki, Madoka Nakagomi, Koichi Shudo
  • Publication number: 20140121407
    Abstract: A compound corresponding to 3-[4-[(5,6,7,8-tetrahydro-5,5,8,8-tetramethyl-2-naphthalenyl)carbamoyl]phenyl]propionic acid in which a part or all of hydrogen atoms in the ethylene group constituting the propionic acid moiety are replaced with deuterium atoms, a salt thereof, or an ester thereof, and a prodrug for releasing Am80 as an active medicament after being absorbed into a living body, which comprises the aforementioned compound, a salt thereof, or an ester thereof as an active ingredient.
    Type: Application
    Filed: July 4, 2012
    Publication date: May 1, 2014
    Applicant: RESEARCH FOUNDATION ITSUU LABORATORY
    Inventors: Hideaki Muratake, Koichi Shudo, Yohei Amano, Takahiro Toda
  • Publication number: 20140031575
    Abstract: A compound represented by the formula (I) [R1 to R8 represent an alkyl group, an alkenyl group, and the like; n represents 0 or 1; R4 represents an amino group or —(CX2)m—COOH (m represents 0 to 3, and X represents hydrogen atom); R5 represents —(CY2)p—COOR6 (p represents an 0 to 3, Y represents hydrogen atom, and R6 represents hydrogen atom or an alkyl group)], or a salt thereof.
    Type: Application
    Filed: April 19, 2012
    Publication date: January 30, 2014
    Applicants: KEMPHYS LTD., RESEARCH FOUNDATION ITSUU LABORATORY
    Inventors: Hideaki Muratake, Ai Ito, Koichi Shudo
  • Patent number: 8633335
    Abstract: A compound represented by the following general formula (I): [R1 to R5 represent hydrogen atom, an alkyl group, or a trialkylsilyl group, X represents —NH—CO—, —CO—NH—, —N(COR6)—CO—, —CO—N(COR7)— (R6 and R7 represent a lower alkoxy group, or a carboxy-substituted phenyl group) etc.; and Z represents —Y—CH(R12)—COOH, —CHO, —CH?CH—COOH, or —COOR13 (Y represents a single bond, —CH2—, —CH(OH)—, —CO—, —CO—NH—, or —CO—NH—CH2—CO—NH—, R12 represents hydrogen atom or a lower alkyl group, and R13 represents hydrogen atom, —CH(R14)—COOH(R14 represents hydrogen atom, a lower alkyl group, or hydroxy group), —[CH2CH2—O]n—CH2—CH2—OH, —CH2—O—[CH2CH2—O]m—CH2—OH, or —[CH(CH3)—CO—O]p—CH(CH3)—COOH (m, n and p represent an integer of 1 to 100))], a salt thereof or an ester thereof, which has a property of being converted into a retinoid after absorption in vivo.
    Type: Grant
    Filed: October 31, 2007
    Date of Patent: January 21, 2014
    Assignee: Research Founation Itsuu Laboratory
    Inventors: Hideaki Muratake, Koichi Shudo
  • Patent number: 8530646
    Abstract: The present invention provides a novel oxazolidinone derivative of the formula (I): wherein Rings A and B are defined as in the specification; X1is a single bond, or a heteroatom-containing group selected from the group consisting of —O—, —S—, —NR2—, —CO—, —CS—, —CONR3—, —NR4CO—, —SONR5—, and NR6SO2—, wherein R2, R3, R4, R5, and R6 are independently hydrogen or lower alkyl, or lower alkylene or lower alkenylene each optionally interrupted by said heteroatom containing group; and R1 is hydrogen, or an organic residue which is able to bind to the 5-position of the oxazolidinone ring in oxazolidinone antimicrobial agents, pharmaceutically acceptable salts and solvates thereof which are useful as an antibacterial agent.
    Type: Grant
    Filed: October 1, 2008
    Date of Patent: September 10, 2013
    Assignees: Research Foundation Itsuu Laboratory, Shionogi & Co., Ltd.
    Inventors: Hideyuki Suzuki, Iwao Utsunomiya, Koichi Shudo, Tsutomu Iwaki, Tatsuro Yasukata
  • Patent number: 8431613
    Abstract: A medicament for promoting memory consolidation, which comprises, as an active ingredient, a non-natural retinoid, preferably a retinoid having a basic skeleton comprising an aromatic ring bound with an aromatic carboxylic acid or tropolone by means of a bridging group, more preferably 4-[(5,6,7,8-tetrahydro-5,5,8,8-tetramethyl-2-naphthalenyl)carbamoyl]benzoic acid or 4-[(3,5-bis-trimethylsilylphenyl)-carboxamido]benzoic acid.
    Type: Grant
    Filed: April 30, 2012
    Date of Patent: April 30, 2013
    Assignees: Research Foundation ITSUU Laboratory, Kemphys Inc.
    Inventors: Koichi Shudo, Hiroyuki Kagechika
  • Publication number: 20120214763
    Abstract: A medicament for promoting memory consolidation, which comprises, as an active ingredient, a non-natural retinoid, preferably a retinoid having a basic skeleton comprising an aromatic ring bound with an aromatic carboxylic acid or tropolone by means of a bridging group, more preferably 4-[(5,6,7,8-tetrahydro-5,5,8,8-tetramethyl-2-naphthalenyl)carbamoyl]benzoic acid or 4-[(3,5-bis-trimethylsilylphenyl)-carboxamido]benzoic acid.
    Type: Application
    Filed: April 30, 2012
    Publication date: August 23, 2012
    Applicants: KEMPHYS LTD., RESEARCH FOUNDATION ITSUU LABORATORY
    Inventors: Koichi SHUDO, Hiroyuki KAGECHIKA
  • Publication number: 20120208997
    Abstract: The invention provides a novel oxazolidinone derivative represented by the formula (I): wherein Ring A, X1, Ring B and R1 are as described in the description, and an antibacterial agent containing the same.
    Type: Application
    Filed: February 14, 2012
    Publication date: August 16, 2012
    Inventors: Hideyuki SUZUKI, Shoji HIZATATE, Iwao UTSUNOMIYA, Koichi SHUDO
  • Patent number: 8232300
    Abstract: A compound represented by the following general formula (I): [wherein R1 represents hydrogen atom or a C1-6 alkyl group, A and B represent —(CH2)2—, —(CH2)3—or —(CH2)4—, X represents —N(R2)—CO—(R2 represents hydrogen atom or a C1-6 alkyl group), —CO—N(R3)—(R3 represents hydrogen atom or a C1-6 alkyl group), —C(R4)?C(R5)—(R4 and R5 represent hydrogen atom or a C1-6 alkyl group), or —N(R6)—SO2—(R6 represents hydrogen atom or a C1-6 alkyl group), and Ar represents an aryldiyl group or a heteroaryldiyl group], which has a retinoid action and is useful as an active ingredient of a medicament.
    Type: Grant
    Filed: August 14, 2008
    Date of Patent: July 31, 2012
    Assignee: Research Foundation Itsuu Laboratory
    Inventors: Yohei Amano, Masayuki Noguchi, Koichi Shudo