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: 20230201108Abstract: 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: ApplicationFiled: January 13, 2023Publication date: June 29, 2023Applicants: FUJIFILM Corporation, NATIONAL UNIVERSITY CORPORATION HOKKAIDO UNIVERSITYInventors: Takayoshi OYAMADA, Toshio SHIMADA, Kosuke KAKITA, Hiroaki IWATA
-
Patent number: 10166182Abstract: 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: GrantFiled: September 30, 2016Date of Patent: January 1, 2019Assignees: FUJIFILM Corporation, NATIONAL UNIVERSITY CORPORATION HOKKAIDO UNIVERSITYInventors: Koji Kuruma, Takayoshi Oyamada, Toshio Shimada, Yoshihiro Sakoda, Hiroshi Kida
-
Patent number: 10029081Abstract: 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: GrantFiled: May 12, 2015Date of Patent: July 24, 2018Assignee: FUJIFILM CorporationInventors: Yanlong Che, Takayoshi Oyamada, Junya Yoshida, Shotaro Ogawa
-
Publication number: 20180193256Abstract: 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: ApplicationFiled: March 7, 2018Publication date: July 12, 2018Applicant: FUJIFILM CorporationInventors: Koki KABATA, Junya YOSHIDA, Takayoshi OYAMADA
-
Patent number: 9987236Abstract: 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: GrantFiled: January 11, 2017Date of Patent: June 5, 2018Assignee: FUJIFILM CorporationInventors: Junya Yoshida, Seiji Kasahara, Takayoshi Oyamada, Yanlong Che
-
Patent number: 9649281Abstract: 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: GrantFiled: May 12, 2015Date of Patent: May 16, 2017Assignee: FUJIFILM CorporationInventors: Junya Yoshida, Seiji Kasahara, Takayoshi Oyamada, Yanlong Che
-
Publication number: 20170119691Abstract: 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: ApplicationFiled: January 11, 2017Publication date: May 4, 2017Applicant: FUJIFILM CorporationInventors: Junya YOSHIDA, Seiji KASAHARA, Takayoshi OYAMADA, Yanlong CHE
-
Publication number: 20170014336Abstract: 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: ApplicationFiled: September 30, 2016Publication date: January 19, 2017Applicants: FUJIFILM Corporation, NATIONAL UNIVERSITY CORPORATION HOKKAIDO UNIVERSITYInventors: Koji KURUMA, Takayoshi OYAMADA, Toshio SHIMADA, Yoshihiro SAKODA, Hiroshi KIDA
-
Publication number: 20150238743Abstract: 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: ApplicationFiled: May 12, 2015Publication date: August 27, 2015Applicant: FUJIFILM CorporationInventors: Yanlong CHE, Takayoshi OYAMADA, Junya YOSHIDA, Shotaro OGAWA
-
Publication number: 20150238434Abstract: 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: ApplicationFiled: May 12, 2015Publication date: August 27, 2015Applicant: FUJIFILM CorporationInventors: Junya YOSHIDA, Seiji KASAHARA, Takayoshi OYAMADA, Yanlong CHE
-
Patent number: 8999730Abstract: 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: GrantFiled: December 6, 2010Date of Patent: April 7, 2015Assignee: FUJIFILM CorporationInventors: Takayoshi Oyamada, Junichi Katada, Kenji Narahara, Daisuke Ogata, Tomonori Takeshige, Akihiko Onodera
-
Patent number: 8835182Abstract: 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: GrantFiled: January 24, 2013Date of Patent: September 16, 2014Assignee: FUJIFILM CorporationInventors: Junichi Katada, Hideyuki Karaki, Takayoshi Oyamada
-
Patent number: 8802426Abstract: 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: GrantFiled: March 30, 2010Date of Patent: August 12, 2014Assignee: FUJIFILM CorporationInventors: Mikinaga Mori, Junichi Katada, Takayoshi Oyamada, Hideyuki Karaki, Masayasu Konishi, Hiroki Terada
-
Patent number: 8765457Abstract: 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: GrantFiled: March 30, 2010Date of Patent: July 1, 2014Assignee: FUJIFILM CorporationInventors: Mikinaga Mori, Junichi Katada, Takayoshi Oyamada, Hideyuki Karaki, Masayasu Konishi, Hiroki Terada
-
Patent number: 8663910Abstract: 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: GrantFiled: September 18, 2009Date of Patent: March 4, 2014Assignee: FUJIFILM CorporationInventors: Mikinaga Mori, Junichi Katada, Hiroyuki Chiku, Takayoshi Oyamada
-
Patent number: 8383422Abstract: 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: GrantFiled: May 26, 2009Date of Patent: February 26, 2013Assignee: FUJIFILM CorporationInventors: Junichi Katada, Hideyuki Karaki, Takayoshi Oyamada
-
Publication number: 20120058465Abstract: 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: ApplicationFiled: March 30, 2010Publication date: March 8, 2012Applicant: Fujifilm CorporationInventors: Mikinaga Mori, Junichi Katada, Takayoshi Oyamada, Hideyuki Karaki, Masayasu Konishi, Hiroki Terada
-
Patent number: 8043866Abstract: 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: GrantFiled: September 29, 2008Date of Patent: October 25, 2011Assignee: Fujifilm CorporationInventors: Takayoshi Oyamada, Junichi Katada
-
Patent number: 7977040Abstract: 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: GrantFiled: October 16, 2002Date of Patent: July 12, 2011Assignee: Fujifilm CorporationInventors: Yasuhiro Yoshioka, Takayoshi Oyamada, Eiichi Okutsu
-
Publication number: 20110136142Abstract: 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: ApplicationFiled: December 6, 2010Publication date: June 9, 2011Inventors: Takayoshi OYAMADA, Junichi Katada, Kenji Narahara, Daisuke Ogata, Tomonori Takeshige, Akihiko Onodera