Patents by Inventor Takayoshi Oyamada

Takayoshi Oyamada 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).

  • Publication number: 20230201108
    Abstract: It is an object of the present invention to provide a Japanese encephalitis preventive agent and a Japanese encephalitis vaccine agent, which are capable of imparting sufficient immunity to humans, even if these agents are used at a lower dose than the dose of a Japanese encephalitis vaccine for subcutaneous injection, or at a smaller number of administrations than the number of administrations of a Japanese encephalitis vaccine for subcutaneous injection. According to the present invention, provided is a Japanese encephalitis preventive agent, comprising a microneedle array having a sheet portion and a plurality of needle portions present on the upper surface of the sheet portion, wherein the aforementioned needle portions contain or carry an inactivated Japanese encephalitis virus.
    Type: Application
    Filed: January 13, 2023
    Publication date: June 29, 2023
    Applicants: FUJIFILM Corporation, NATIONAL UNIVERSITY CORPORATION HOKKAIDO UNIVERSITY
    Inventors: Takayoshi OYAMADA, Toshio SHIMADA, Kosuke KAKITA, Hiroaki IWATA
  • Patent number: 10166182
    Abstract: Provided is a microneedle. The microneedle array includes a needle portion, which contains an inactivated whole virion influenza vaccine, and a sheet portion. Also provided is an administration method in which the microneedle array is administered and then administered secondly after an interval of equal to or greater than 24 hours and less than 2 months.
    Type: Grant
    Filed: September 30, 2016
    Date of Patent: January 1, 2019
    Assignees: FUJIFILM Corporation, NATIONAL UNIVERSITY CORPORATION HOKKAIDO UNIVERSITY
    Inventors: Koji Kuruma, Takayoshi Oyamada, Toshio Shimada, Yoshihiro Sakoda, Hiroshi Kida
  • Patent number: 10029081
    Abstract: A molding compact for forming a transdermal absorption sheet on which a needle-shaped protruding part is arranged is a molding compact that is a laminate of: a first member having a needle-shaped recessed part formed on a front surface thereof, the needle-shaped recessed part being an inverse of the needle-shaped protruding part; a second member provided on a back surface of the first member, the second member being composed of a waterproof and moisture-permeable material; and a third member provided on a back surface of the second member, the third member being composed of a rigid body. Provided are a molding compact that makes it possible to prevent leakage of a drug-containing solution filled into the needle-shaped recessed part, and a manufacturing method for a transdermal absorption sheet using the molding compact.
    Type: Grant
    Filed: May 12, 2015
    Date of Patent: July 24, 2018
    Assignee: FUJIFILM Corporation
    Inventors: Yanlong Che, Takayoshi Oyamada, Junya Yoshida, Shotaro Ogawa
  • Publication number: 20180193256
    Abstract: An object of the present invention is to provide a microneedle array which is formed of a sheet portion and needles and is capable of achieving high drug efficacy. According to the present invention, provided is a microneedle array including: a sheet portion; and a plurality of needles present on an upper surface of the sheet portion, in which the needle contains a water-soluble polymer and a medicament, the water-soluble polymer occupies 50% by mass or greater of the total solid content of the needle, the water-soluble polymer and the medicament are present at a mass ratio of Formula 1, in a needle tip region which includes a needle tip of each needle and has a height corresponding to 20% of the total height of each needle, and the sheet portion contains a water-soluble polymer. water-soluble polymer:medicament=0.05 to 0.
    Type: Application
    Filed: March 7, 2018
    Publication date: July 12, 2018
    Applicant: FUJIFILM Corporation
    Inventors: Koki KABATA, Junya YOSHIDA, Takayoshi OYAMADA
  • Patent number: 9987236
    Abstract: A transdermal absorption sheet and a manufacturing method for the transdermal absorption sheet includes a laminating step of forming a multilayer film with a viscosity difference by forming, on a support, a lower layer containing a first transdermal absorption material and an upper layer containing a drug and a second transdermal absorption material and having a lower viscosity than the lower layer, a filling step of filling needle-like recessed portions corresponding to inverted needle-like protruding portions with a solution of the transdermal absorption material by pressing a mold in which the needle-like recessed portions are arranged in a two-dimensional array, against a surface of the multilayer film supported by the support to allow the multilayer film to flow, a solidifying step of solidifying the multilayer film with the mold pressed against the surface of the multilayer film, and a peeling-off step of peeling the solidified multilayer film from the mold.
    Type: Grant
    Filed: January 11, 2017
    Date of Patent: June 5, 2018
    Assignee: FUJIFILM Corporation
    Inventors: Junya Yoshida, Seiji Kasahara, Takayoshi Oyamada, Yanlong Che
  • Patent number: 9649281
    Abstract: A transdermal absorption sheet and a manufacturing method for the transdermal absorption sheet includes a laminating step of forming a multilayer film with a viscosity difference by forming, on a support, a lower layer containing a first transdermal absorption material and an upper layer containing a drug and a second transdermal absorption material and having a lower viscosity than the lower layer, a filling step of filling needle-like recessed portions corresponding to inverted needle-like protruding portions with a solution of the transdermal absorption material by pressing a mold in which the needle-like recessed portions are arranged in a two-dimensional array, against a surface of the multilayer film supported by the support to allow the multilayer film to flow, a solidifying step of solidifying the multilayer film with the mold pressed against the surface of the multilayer film, and a peeling-off step of peeling the solidified multilayer film from the mold.
    Type: Grant
    Filed: May 12, 2015
    Date of Patent: May 16, 2017
    Assignee: FUJIFILM Corporation
    Inventors: Junya Yoshida, Seiji Kasahara, Takayoshi Oyamada, Yanlong Che
  • Publication number: 20170119691
    Abstract: A transdermal absorption sheet and a manufacturing method for the transdermal absorption sheet includes a laminating step of forming a multilayer film with a viscosity difference by forming, on a support, a lower layer containing a first transdermal absorption material and an upper layer containing a drug and a second transdermal absorption material and having a lower viscosity than the lower layer, a filling step of filling needle-like recessed portions corresponding to inverted needle-like protruding portions with a solution of the transdermal absorption material by pressing a mold in which the needle-like recessed portions are arranged in a two-dimensional array, against a surface of the multilayer film supported by the support to allow the multilayer film to flow, a solidifying step of solidifying the multilayer film with the mold pressed against the surface of the multilayer film, and a peeling-off step of peeling the solidified multilayer film from the mold.
    Type: Application
    Filed: January 11, 2017
    Publication date: May 4, 2017
    Applicant: FUJIFILM Corporation
    Inventors: Junya YOSHIDA, Seiji KASAHARA, Takayoshi OYAMADA, Yanlong CHE
  • Publication number: 20170014336
    Abstract: Provided is a microneedle. The microneedle array includes a needle portion, which contains an inactivated whole virion influenza vaccine, and a sheet portion. Also provided is an administration method in which the microneedle array is administered and then administered secondly after an interval of equal to or greater than 24 hours and less than 2 months.
    Type: Application
    Filed: September 30, 2016
    Publication date: January 19, 2017
    Applicants: FUJIFILM Corporation, NATIONAL UNIVERSITY CORPORATION HOKKAIDO UNIVERSITY
    Inventors: Koji KURUMA, Takayoshi OYAMADA, Toshio SHIMADA, Yoshihiro SAKODA, Hiroshi KIDA
  • Publication number: 20150238743
    Abstract: A molding compact for forming a transdermal absorption sheet on which a needle-shaped protruding part is arranged is a molding compact that is a laminate of: a first member having a needle-shaped recessed part formed on a front surface thereof, the needle-shaped recessed part being an inverse of the needle-shaped protruding part; a second member provided on a back surface of the first member, the second member being composed of a waterproof and moisture-permeable material; and a third member provided on a back surface of the second member, the third member being composed of a rigid body. Provided are a molding compact that makes it possible to prevent leakage of a drug-containing solution filled into the needle-shaped recessed part, and a manufacturing method for a transdermal absorption sheet using the molding compact.
    Type: Application
    Filed: May 12, 2015
    Publication date: August 27, 2015
    Applicant: FUJIFILM Corporation
    Inventors: Yanlong CHE, Takayoshi OYAMADA, Junya YOSHIDA, Shotaro OGAWA
  • Publication number: 20150238434
    Abstract: A transdermal absorption sheet and a manufacturing method for the transdermal absorption sheet includes a laminating step of forming a multilayer film with a viscosity difference by forming, on a support, a lower layer containing a first transdermal absorption material and an upper layer containing a drug and a second transdermal absorption material and having a lower viscosity than the lower layer, a filling step of filling needle-like recessed portions corresponding to inverted needle-like protruding portions with a solution of the transdermal absorption material by pressing a mold in which the needle-like recessed portions are arranged in a two-dimensional array, against a surface of the multilayer film supported by the support to allow the multilayer film to flow, a solidifying step of solidifying the multilayer film with the mold pressed against the surface of the multilayer film, and a peeling-off step of peeling the solidified multilayer film from the mold.
    Type: Application
    Filed: May 12, 2015
    Publication date: August 27, 2015
    Applicant: FUJIFILM Corporation
    Inventors: Junya YOSHIDA, Seiji KASAHARA, Takayoshi OYAMADA, Yanlong CHE
  • Patent number: 8999730
    Abstract: It is an object of the present invention to provide an immunochromatography method capable of measuring a sample in a low concentration range and a high concentration range by setting the measurable range of the sample much wider than the conventional measurable range.
    Type: Grant
    Filed: December 6, 2010
    Date of Patent: April 7, 2015
    Assignee: FUJIFILM Corporation
    Inventors: Takayoshi Oyamada, Junichi Katada, Kenji Narahara, Daisuke Ogata, Tomonori Takeshige, Akihiko Onodera
  • Patent number: 8835182
    Abstract: The present invention provides an immunochromatographic device, which contains the following (a) and (b): (a) a first device part holding a first insoluble carrier used for developing a complex formed with an analyte and a labeling substance comprising a metal labeled with a first binding substance that can bind to the analyte and capturing the analyte and the labeling substance at a reaction portion containing a second binding substance that can bind to the analyte, and (b) a second device part holding a second insoluble carrier used for developing a liquid and a third insoluble carrier used for absorbing a liquid, in such a way that the first insoluble carrier does not come into contact with the second insoluble carrier and the third insoluble carrier.
    Type: Grant
    Filed: January 24, 2013
    Date of Patent: September 16, 2014
    Assignee: FUJIFILM Corporation
    Inventors: Junichi Katada, Hideyuki Karaki, Takayoshi Oyamada
  • Patent number: 8802426
    Abstract: A device for assay can evenly develop solution, and performs highly accurate and sensitive measurement. A first device part (10) maintains a second insoluble carrier (12) and a third insoluble carrier (13) in such a manner that they overlap with each other at a detection portion (14) of a first insoluble carrier (11). These three carriers (11), (12) and (13) are housed not in contact with each other. A pressing unit (18) having a pressing surface (18a) that is parallel to the detection portion (14) is provided on an inner surface of the second device part (20) facing the detection portion (14). The pressing surface (18a) is displaced by being pressed toward the detection portion (14), and presses, from the upper side of the first insoluble carrier (11), the second insoluble carrier (12) and the third insoluble carrier (13) onto the first insoluble carrier (11). The first device part (10) and the second device part (20) are joined together.
    Type: Grant
    Filed: March 30, 2010
    Date of Patent: August 12, 2014
    Assignee: FUJIFILM Corporation
    Inventors: Mikinaga Mori, Junichi Katada, Takayoshi Oyamada, Hideyuki Karaki, Masayasu Konishi, Hiroki Terada
  • Patent number: 8765457
    Abstract: A device for assay can evenly develop solution, and performs highly accurate and sensitive measurement. A first device part (10) maintains a second insoluble carrier (12) and a third insoluble carrier (13) in such a manner that they overlap with each other at a detection portion (14) of a first insoluble carrier (11). These three carriers (11), (12) and (13) are housed not in contact with each other. A pressing unit (18) having a pressing surface (18a) that is parallel to the detection portion (14) is provided on an inner surface of the second device part (20) facing the detection portion (14). The pressing surface (18a) is displaced by being pressed toward the detection portion (14), and presses, from the upper side of the first insoluble carrier (11), the second insoluble carrier (12) and the third insoluble carrier (13) onto the first insoluble carrier (11). The first device part (10) and the second device part (20) are joined together.
    Type: Grant
    Filed: March 30, 2010
    Date of Patent: July 1, 2014
    Assignee: FUJIFILM Corporation
    Inventors: Mikinaga Mori, Junichi Katada, Takayoshi Oyamada, Hideyuki Karaki, Masayasu Konishi, Hiroki Terada
  • Patent number: 8663910
    Abstract: A plurality of kinds of liquids, which are of at least three kinds, containing (a) a test body solution containing at least one kind of an analyte, and (b) at least two kinds of liquids selected from the group consisting of a reagent solution, an amplifying solution, and a detecting solution, are fed to a detection site containing a specific binding substance with respect to the analyte. A qualitative analysis or a quantitative analysis of the analyte contained in the test body solution is thereby performed. Directions of liquid feeding of all of the plurality of the kinds of the liquids vary from one another, and the plurality of the kinds of the liquids are caused to intersect with one another at the detection site.
    Type: Grant
    Filed: September 18, 2009
    Date of Patent: March 4, 2014
    Assignee: FUJIFILM Corporation
    Inventors: Mikinaga Mori, Junichi Katada, Hiroyuki Chiku, Takayoshi Oyamada
  • Patent number: 8383422
    Abstract: The present invention provides an immunochromatographic device, which contains the following (a) and (b): (a) a first device part holding a first insoluble carrier used for developing a complex formed with an analyte and a labeling substance comprising a metal labeled with a first binding substance that can bind to the analyte and capturing the analyte and the labeling substance at a reaction portion containing a second binding substance that can bind to the analyte, and (b) a second device part holding a second insoluble carrier used for developing a liquid and a third insoluble carrier used for absorbing a liquid, in such a way that the first insoluble carrier does not come into contact with the second insoluble carrier and the third insoluble carrier.
    Type: Grant
    Filed: May 26, 2009
    Date of Patent: February 26, 2013
    Assignee: FUJIFILM Corporation
    Inventors: Junichi Katada, Hideyuki Karaki, Takayoshi Oyamada
  • Publication number: 20120058465
    Abstract: A device for assay can evenly develop solution, and performs highly accurate and sensitive measurement. A first device part (10) maintains a second insoluble carrier (12) and a third insoluble carrier (13) in such a manner that they overlap with each other at a detection portion (14) of a first insoluble carrier (11). These three carriers (11), (12) and (13) are housed not in contact with each other. A pressing unit (18) having a pressing surface (18a) that is parallel to the detection portion (14) is provided on an inner surface of the second device part (20) facing the detection portion (14). The pressing surface (18a) is displaced by being pressed toward the detection portion (14), and presses, from the upper side of the first insoluble carrier (11), the second insoluble carrier (12) and the third insoluble carrier (13) onto the first insoluble carrier (11). The first device part (10) and the second device part (20) are joined together.
    Type: Application
    Filed: March 30, 2010
    Publication date: March 8, 2012
    Applicant: Fujifilm Corporation
    Inventors: Mikinaga Mori, Junichi Katada, Takayoshi Oyamada, Hideyuki Karaki, Masayasu Konishi, Hiroki Terada
  • Patent number: 8043866
    Abstract: A object of the present invention is to provide an immunochromatography method that makes it possible to rapidly detect an ultratrace amount of an analyte that has been impossible to analyze by conventional immunochromatography methods. The present invention provides an immunochromatography method, which comprises developing an analyte and a labeling substance which is modified with a first binding substance against the analyte in a mixed state on a porous carrier and capturing the analyte and the label at a reaction site on the porous carrier having a second binding substance against the analyte or a substance capable of binding to the first binding substance against the analyte, so as to detect the analyte, wherein the labeling substance having an average particle size of 1 ?m or more and 20 ?m or less is detected.
    Type: Grant
    Filed: September 29, 2008
    Date of Patent: October 25, 2011
    Assignee: Fujifilm Corporation
    Inventors: Takayoshi Oyamada, Junichi Katada
  • Patent number: 7977040
    Abstract: The present invention provides a heat developable photosensitive material comprising at least a photosensitive silver halide, a non-photosensitive organic silver salt, a reducing agent for silver ions and binder on one surface of a support.
    Type: Grant
    Filed: October 16, 2002
    Date of Patent: July 12, 2011
    Assignee: Fujifilm Corporation
    Inventors: Yasuhiro Yoshioka, Takayoshi Oyamada, Eiichi Okutsu
  • Publication number: 20110136142
    Abstract: It is an object of the present invention to provide an immunochromatography method capable of measuring a sample in a low concentration range and a high concentration range by setting the measurable range of the sample much wider than the conventional measurable range.
    Type: Application
    Filed: December 6, 2010
    Publication date: June 9, 2011
    Inventors: Takayoshi OYAMADA, Junichi Katada, Kenji Narahara, Daisuke Ogata, Tomonori Takeshige, Akihiko Onodera