Patents by Inventor Masaki Hirashima

Masaki Hirashima 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: 11433160
    Abstract: A formed sheet product of a polymer composition comprising at least one protein selected from the group consisting of fibrinogen and thrombin and at least one polymer selected from the group consisting of an aliphatic polyester and a water-soluble polymer, and a laminated formed sheet product comprising a first polymer composition layer composed of fibrinogen and a water-soluble polymer and a second polymer composition layer composed of thrombin and an aliphatic polyester are provided. These formed products are applied onto a wound site and function as a hemostatic material.
    Type: Grant
    Filed: October 22, 2019
    Date of Patent: September 6, 2022
    Assignees: TEIJIN LIMITED, KM BIOLOGICS CO., LTD.
    Inventors: Yukako Kageyama, Kentaro Fujinaga, Ayuko Yamaguchi, Yusuke Akiyama, Akitoshi Oono, Susumu Honda, Makoto Satake, Hiroaki Kaneko, Takayuki Imamura, Ryoichi Kawamura, Masaki Hirashima
  • Patent number: 10774321
    Abstract: A method for monomerization of MMP-7 aggregates is provided. A method for monomerization of MMP-7 aggregates which comprises treating MMP-7 aggregates with a buffer solution comprising a monovalent cation chloride (sodium chloride, potassium chloride, etc.) at a low concentration or with a buffer solution not comprising a monovalent cation chloride, a process for preparing MMP-7 which involves said method for monomerization, and a (pharmaceutical) composition comprising MMP-7 in the aforementioned buffer solution. In case that a (pharmaceutical) composition comprising MMP-7 at a low concentration is prepared, the aforementioned buffer solution comprising sugar alcohols or sugars is used.
    Type: Grant
    Filed: May 20, 2015
    Date of Patent: September 15, 2020
    Assignee: KM BIOLOGICS CO., LTD.
    Inventors: Hiroshi Nakatake, Masaki Hirashima, Hideki Takeo, Reiko Matsuyama, Wataru Morikawa
  • Publication number: 20200140843
    Abstract: A method for monomerization of MMP-7 aggregates is provided. A method for monomerization of MMP-7 aggregates which comprises treating MMP-7 aggregates with a buffer solution comprising a monovalent cation chloride (sodium chloride, potassium chloride, etc.) at a low concentration or with a buffer solution not comprising a monovalent cation chloride, a process for preparing MMP-7 which involves said method for monomerization, and a (pharmaceutical) composition comprising MMP-7 in the aforementioned buffer solution. In case that a (pharmaceutical) composition comprising MMP-7 at a low concentration is prepared, the aforementioned buffer solution comprising sugar alcohols or sugars is used.
    Type: Application
    Filed: January 14, 2020
    Publication date: May 7, 2020
    Applicant: THE CHEMO-SERO-THERAPEUTIC RESEARCH INSTITUTE
    Inventors: Hiroshi NAKATAKE, Masaki HIRASHIMA, Hideki TAKEO, Reiko MATSUYAMA, Wataru MORIKAWA
  • Publication number: 20200046877
    Abstract: A formed sheet product of a polymer composition comprising at least one protein selected from the group consisting of fibrinogen and thrombin and at least one polymer selected from the group consisting of an aliphatic polyester and a water-soluble polymer, and a laminated formed sheet product comprising a first polymer composition layer composed of fibrinogen and a water-soluble polymer and a second polymer composition layer composed of thrombin and an aliphatic polyester are provided. These formed products are applied onto a wound site and function as a hemostatic material.
    Type: Application
    Filed: October 22, 2019
    Publication date: February 13, 2020
    Applicants: TEIJIN LIMITED, Teijin Pharma Limited, KM BIOLOGICS CO., LTD.
    Inventors: Yukako KAGEYAMA, Kentaro Fujinaga, Ayuko Yamaguchi, Yusuke Aklyama, Akitoshi Oono, Susumu Honda, Makoto Satake, Hiroaki Kaneko, Takayuki Imamura, Ryoichi Kawamura, Masaki Hirashima
  • Patent number: 10485894
    Abstract: A formed sheet product of a polymer composition comprising at least one protein selected from the group consisting of fibrinogen and thrombin and at least one polymer selected from the group consisting of an aliphatic polyester and a water-soluble polymer, and a laminated formed sheet product comprising a first polymer composition layer composed of fibrinogen and a water-soluble polymer and a second polymer composition layer composed of thrombin and an aliphatic polyester are provided. These formed products are applied onto a wound site and function as a hemostatic material.
    Type: Grant
    Filed: May 13, 2013
    Date of Patent: November 26, 2019
    Assignees: TEIJIN LIMITED, Teijin Pharma Limited, KM BIOLOGICS CO., LTD.
    Inventors: Yukako Kageyama, Kentaro Fujinaga, Ayuko Yamaguchi, Yusuke Akiyama, Akitoshi Oono, Susumu Honda, Makoto Satake, Hiroaki Kaneko, Takayuki Imamura, Ryoichi Kawamura, Masaki Hirashima
  • Publication number: 20170081654
    Abstract: A method for monomerization of MMP-7 aggregates is provided. A method for monomerization of MMP-7 aggregates which comprises treating MMP-7 aggregates with a buffer solution comprising a monovalent cation chloride (sodium chloride, potassium chloride, etc.) at a low concentration or with a buffer solution not comprising a monovalent cation chloride, a process for preparing MMP-7 which involves said method for monomerization, and a (pharmaceutical) composition comprising MMP-7 in the aforementioned buffer solution. In case that a (pharmaceutical) composition comprising MMP-7 at a low concentration is prepared, the aforementioned buffer solution comprising sugar alcohols or sugars is used.
    Type: Application
    Filed: May 20, 2015
    Publication date: March 23, 2017
    Applicant: THE CHEMO-SERO-THERAPEUTIC RESEARCH INSTITUTE
    Inventors: Hiroshi NAKATAKE, Masaki HIRASHIMA, Hideki TAKEO, Reiko MATSUYAMA, Wataru MORIKAWA
  • Patent number: 9175295
    Abstract: A modified transposon vector and a method for introducing a foreign gene into a cell are provided.
    Type: Grant
    Filed: July 4, 2006
    Date of Patent: November 3, 2015
    Assignee: THE CHEMO-SERO-THERAPEUTIC RESEARCH INSTITUTE
    Inventors: Kazuyoshi Kaminaka, Hiroaki Maeda, Masaki Hirashima, Ryoichi Kawamura, Junichi Matsuda, Takashi Kuwana
  • Publication number: 20150151020
    Abstract: A formed sheet product of a polymer composition comprising at least one protein selected from the group consisting of fibrinogen and thrombin and at least one polymer selected from the group consisting of an aliphatic polyester and a water-soluble polymer, and a laminated formed sheet product comprising a first polymer composition layer composed of fibrinogen and a water-soluble polymer and a second polymer composition layer composed of thrombin and an aliphatic polyester are provided. These formed products are applied onto a wound site and function as a hemostatic material.
    Type: Application
    Filed: May 13, 2013
    Publication date: June 4, 2015
    Applicants: TEIJIN LIMITED, TEIJIN PHARMA LIMITED, THE CHEMO-SERO-THERAPEUTIC RESEARCH INSTITUTE
    Inventors: Yukako Kageyama, Kentaro Fujinaga, Ayuko Yamaguchi, Yusuke Akiyama, Akitoshi Oono, Susumu Honda, Makoto Satake, Hiroaki Kaneko, Takayuki Imamura, Ryoichi Kawamura, Masaki Hirashima
  • Publication number: 20150132279
    Abstract: A protein composition which comprises a mixture of glycine, phenylalanine and histidine and/or a cellulose ether derivative as an additive and has resistance to radiation sterilization.
    Type: Application
    Filed: May 13, 2013
    Publication date: May 14, 2015
    Applicants: TEIJIN LIMITED, THE CHEMO-SERO-THERAPEUTIC RESEARCH INSTITUTE, TEIJIN PHARMA LIMITED
    Inventors: Yukako Kageyama, Kentaro Fujinaga, Ayuko Yamaguchi, Yusuke Akiyama, Souichirou Katou, Yukiko Kimura, Susumu Honda, Makoto Satake, Hiroaki Kaneko, Ayumi Ishiwari, Masaki Hirashima
  • Patent number: 8748132
    Abstract: A process for preparing an inclusion body-forming protein is provided. A nucleic acid fragment having a nucleotide sequence coding for a modified alkaline phosphatase signal peptide (modified APSP) where leucine at the 13th position in the amino acid sequence shown in SEQ ID NO: 1 is substituted with proline and/or alanine at the 21st position is substituted with the other amino acid, downstream of which nucleotide sequence is bound a nucleotide sequence of a gene of a protein of interest is also provided.
    Type: Grant
    Filed: October 21, 2009
    Date of Patent: June 10, 2014
    Assignees: The Chemo-Sero-Therapeutic Research Institute, Teijin Pharma Limited
    Inventors: Hiroshi Nakatake, Akihiro Meta, Kiyotaka Suenaga, Masaki Hirashima, Hiroaki Maeda
  • Patent number: 8569238
    Abstract: The activated Factor XI is provided as an antitussive for cough caused by the stimulation at the tracheal bifurcation such as chronic cough. A pharmaceutical composition for prevention, treatment and/or symptom amelioration of cough, comprising a polypeptide chain as an active ingredient and a pharmaceutically acceptable carrier, wherein the polypeptide chain consists of a full length amino acid sequence constituting activated Factor XI (hereinafter also referred to as “FXIa”), the amino acid sequence with one or several amino acids therein being deleted, substituted or added, or a partial sequence of either of the above amino acid sequences, or an amino acid sequence comprising as a part any of the above amino acid sequences.
    Type: Grant
    Filed: March 18, 2013
    Date of Patent: October 29, 2013
    Assignees: The Chemo-Sero-Therapeutic Research Institute, Ginkyo Academy Kumamoto Health Science University, National University Corporation Kumamoto University
    Inventors: Shintaro Kamei, Asami Shindome, Takayoshi Hamamoto, Hiroaki Maeda, Masaki Hirashima, Sachio Okuda, Misako Umehashi, Sachie Ogawa, Megumi Imuta, Norio Akaike, Kazuo Takahama, Ryoko Wada
  • Publication number: 20130224179
    Abstract: The activated Factor XI is provided as an antitussive for cough caused by the stimulation at the tracheal bifurcation such as chronic cough. A pharmaceutical composition for prevention, treatment and/or symptom amelioration of cough, comprising a polypeptide chain as an active ingredient and a pharmaceutically acceptable carrier, wherein the polypeptide chain consists of a full length amino acid sequence constituting activated Factor XI (hereinafter also referred to as “FXIa”), the amino acid sequence with one or several amino acids therein being deleted, substituted or added, or a partial sequence of either of the above amino acid sequences, or an amino acid sequence comprising as a part any of the above amino acid sequences.
    Type: Application
    Filed: March 18, 2013
    Publication date: August 29, 2013
    Inventors: SHINTARO KAMEI, ASAMI SHINDOME, TAKAYOSHI HAMAMOTO, HIROAKI MAEDA, MASAKI HIRASHIMA, SACHIO OKUDA, MISAKO UMEHASHI, SACHIE OGAWA, MEGUMI IMUTA, NORIO AKAIKE, KAZUO TAKAHAMA, RYOKO WADA
  • Publication number: 20120225818
    Abstract: The activated Factor XI is provided as an antitussive for cough caused by the stimulation at the tracheal bifurcation such as chronic cough. A pharmaceutical composition for prevention, treatment and/or symptom amelioration of cough, comprising a polypeptide chain as an active ingredient and a pharmaceutically acceptable carrier, wherein the polypeptide chain consists of a full length amino acid sequence constituting activated Factor XI (hereinafter also referred to as “FXIa”), the amino acid sequence with one or several amino acids therein being deleted, substituted or added, or a partial sequence of either of the above amino acid sequences, or an amino acid sequence comprising as a part any of the above amino acid sequences.
    Type: Application
    Filed: August 5, 2010
    Publication date: September 6, 2012
    Applicants: THE CHEMO-SERO-THERAPEUTIC RESEARCH INSTITUTE, NATIONAL UNIVERSITY CORPORATION KUMAMOTO UNIVERSITY, GINKYO ACADEMY KUMAMOTO HEALTH SCIENCE UNIVERSITY
    Inventors: Shintaro Kamei, Asami Shindome, Takayoshi Hamamoto, Hiroaki Maeda, Masaki Hirashima, Sachio Okuda, Misako Umehashi, Sachie Ogawa, Megumi Imuta, Norio Akaike, Kazuo Takahama, Ryoko Wada
  • Patent number: 8088624
    Abstract: A method of detecting thrombosis or the degree of thrombophilia by measuring a von Willebrand factor cleaving protease, and a kit for detecting thrombosis or the degree of thrombophilia, comprising an antibody or a fragment thereof specifically binding to a von Willebrand factor-cleaving protease, are disclosed. The detection method and the detection kit have an excellent convenience, rapidity, and specificity.
    Type: Grant
    Filed: December 22, 2004
    Date of Patent: January 3, 2012
    Assignee: Mitsubishi Kagaku Iatron, Inc.
    Inventors: Tomoko Ono, Kenji Soejima, Masaki Hirashima, Wataru Morikawa, Yoichi Sakata
  • Publication number: 20110262998
    Abstract: A process for preparing an inclusion body-forming protein is provided.
    Type: Application
    Filed: October 21, 2009
    Publication date: October 27, 2011
    Applicants: TEIJIN PHARMA LIMITED, THE CHEMO-SERO-THERAPEUTIC RESEARCH INSTITUTE
    Inventors: Hiroshi Nakatake, Akihiro Meta, Kiyotaka Suenaga, Masaki Hirashima, Hiroaki Maeda
  • Publication number: 20110183911
    Abstract: A novel medicament for ameliorating neurotransmission dysfunction diseases is provided. A medicament for ameliorating neurotransmission dysfunction diseases comprising as a main active ingredient preferably a selenocysteine-containing protein such as Selenoprotein P or a selenocysteine-containing peptide that consists of said protein or a series of said peptides. A medicament suited for ameliorating neurotransmission dysfunction diseases caused by various pathological conditions is provided.
    Type: Application
    Filed: January 24, 2011
    Publication date: July 28, 2011
    Applicant: JURIDICAL FOUNDATION THE CHEMO-SERO-THERAPEUTIC RESEARCH INSTTITUTE
    Inventors: Ryoichi Kawamura, Takeshi Naruse, Masaki Hirashima, Kazuyoshi Kaminaka, Junichi Matsuda, Hiroaki Maeda, Mami Noda, Keiji Wada
  • Patent number: 7960508
    Abstract: A peptide fragment or a series of peptide fragments containing one or more selenocysteine that has a lowered toxicity than selenocystine and that exhibits a cytotoxicity-inhibitory activity. The peptide fragment or a series of peptide fragments according to the present invention has preferably the amino acid sequence from 260th to 362nd amino acid residues from the C-terminal of selenoprotein P, or said amino acid sequence with one or several amino acid residues therein being deleted, substituted or added, or a partial sequence of either of the above amino acid sequences, or an amino acid sequence comprising as a part any of the above amino acid sequences. A screening method for a peptide fragment having the cytotoxicity-inhibitory activity is also provided.
    Type: Grant
    Filed: May 10, 2002
    Date of Patent: June 14, 2011
    Assignees: Juridical Foundation The Chemo-Sero-Therapeutic Research Institute, Hisamitsu Pharmaceutical Co., Inc.
    Inventors: Masaki Hirashima, Takeshi Naruse, Hiroaki Maeda, Chikateru Nozaki, Takeshi Goto, Katsuhiko Akiyama, Wataru Hattori
  • Publication number: 20100281551
    Abstract: A modified transposon vector and a method for introducing a foreign gene into a cell are provided.
    Type: Application
    Filed: July 4, 2006
    Publication date: November 4, 2010
    Inventors: Kazuyoshi Kaminaka, Hiroaki Maeda, Masaki Hirashima, Ryoichi Kawamura, Junichi Matsuda, Takashi Kuwana
  • Publication number: 20100113338
    Abstract: Disclosed is a novel composition for the treatment of a corneal/conjunctival disease. A prophylactic or therapeutic agent for a corneal/conjunctival disease comprising selenoprotein P as an active ingredient, more specifically a prophylactic or therapeutic agent for a corneal/conjunctival disease such as dry eye, keratoconjunctivitis sicca, superficial punctate keratopathy, corneal erosion or corneal ulcer comprising selenoprotein P as an active ingredient, particularly a prophylactic or therapeutic agent for a corneal/conjuncrtival disease such as dry eye, keratoconjunctivitis sicca, superficial punctate keratopathy, corneal erosion or corneal ulcer accompanied by a corneal/conjunctival epithelial discorder.
    Type: Application
    Filed: June 21, 2006
    Publication date: May 6, 2010
    Applicants: KOWA COMPANY, LTD., Juridical Foundation The Chemo-Sero-Therapeutic Research Institute
    Inventors: Masanao Watanabe, Kazuo Tsubota, Masaki Hirashima, Chikateru Nozaki
  • Patent number: 7704951
    Abstract: A novel medicament for treating neurodegenerative diseases, especially for ameliorating dyskinesia, comprising as an active ingredient selenoprotein P and/or a peptide fragment or a series of peptide fragments derived from said protein is provided. The novel medicament for treating neurodegenerative diseases, especially for ameliorating dyskinesia, according to the present invention is suitably applicable to diseases with decrease in motor function.
    Type: Grant
    Filed: April 24, 2008
    Date of Patent: April 27, 2010
    Assignee: Juridical Foundation the Chemo-Sero-Therapeutic Research Institute
    Inventors: Masaki Hirashima, Takumi Sasaki, Takeshi Naruse, Hiroaki Maeda, Chikateru Nozaki