Patents by Inventor Takahiko Matsushita

Takahiko Matsushita 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: 20230393129
    Abstract: Provided with a sheet and a backing sheet for reducing a background luminescence occurs in a fluorescent immunochromatography method. In an immunochromatographic kit having at least a membrane and a backing sheet, wherein a luminescence suppression sheet is provided between the membrane and the backing sheet, and a quantum yield measured by an absolute PL quantum yield spectrometer C11347 manufactured by Hamamatsu Photonics K.K. is 0.40% or less when the luminescence suppression sheet is irradiated with an excitation light having a wavelength of 365 nm.
    Type: Application
    Filed: November 25, 2021
    Publication date: December 7, 2023
    Inventors: Ken HATANO, Koji MATSUOKA, Takahiko MATSUSHITA
  • Patent number: 11396567
    Abstract: It is an object of the present invention to provide a fine fluorescent particle, which does not cause concentration quenching and has low ecotoxicity. Specifically, the present invention relates to a fine fluorescent particle containing an AIE-active compound, the particle consisting of a network polymer, wherein the fine fluorescent particle is characterized in that the AIE-active compound is, for example, a compound represented by the following formula (1): wherein E represents silicon or germanium; R1 and R2, which are the same or different, each represent a hydrocarbon group containing 1 to 6 carbon atoms, or a substituted or unsubstituted phenyl group; and R3, R4, R5 and R6, which are the same or different, each represent a substituted or unsubstituted phenyl group.
    Type: Grant
    Filed: September 26, 2017
    Date of Patent: July 26, 2022
    Assignee: NATIONAL UNIVERSITY CORPORATION SAITAMA UNIVERSITY
    Inventors: Ken Hatano, Takahiko Matsushita, Daisuke Fujikawa, Koji Matsuoka
  • Publication number: 20190276735
    Abstract: It is an object of the present invention to provide a fine fluorescent particle, which does not cause concentration quenching and has low ecotoxicity. Specifically, the present invention relates to a fine fluorescent particle containing an AIE-active compound, the particle consisting of a network polymer, wherein the fine fluorescent particle is characterized in that the AIE-active compound is, for example, a compound represented by the following formula (1): wherein E represents silicon or germanium; R1 and R2, which are the same or different, each represent a hydrocarbon group containing 1 to 6 carbon atoms, or a substituted or unsubstituted phenyl group; and R3, R4, R5 and R6, which are the same or different, each represent a substituted or unsubstituted phenyl group.
    Type: Application
    Filed: September 26, 2017
    Publication date: September 12, 2019
    Applicant: National University Corporation SAITAMA UNIVERSITY
    Inventors: Ken Hatano, Takahiko Matsushita, Daisuke Fujikawa, Koji Matsuoka
  • Patent number: 9346867
    Abstract: Cancer-associated O-glycopeptide combination epitopes derived from the VNTR of MUC1 are disclosed. Autoantibodies present in human sera target the combination epitopes and are reduced or absent in cancer patients. The epitopes are useful as therapeutic and immunoprophylactic cancer vaccines. Monoclonal antibodies directed against the epitopes are also useful as immunotherapeutics for treatment and prevention of cancer. Diagnostic methods using the epitopes and antibodies are also disclosed.
    Type: Grant
    Filed: April 15, 2011
    Date of Patent: May 24, 2016
    Assignee: Sumitomo Bakelite Co., Ltd.
    Inventors: Shin-Ichiro Nishimura, Takahiko Matsushita, Yoshiaki Miura
  • Patent number: 9310358
    Abstract: A sugar chain array containing a sugar chain immobilized thereon for detecting binding between an analyte and a sugar chain, and a sugar chain array having the sugar chain immobilized thereon that is capable of inhibiting non-specific adsorption and binding of an analyte without having to coat the array with an adsorption inhibitor. A specific sugar chain is immobilized on the array, and is useful for detecting binding between the sugar chain and an analyte, such as a pathogen of an infectious disease or an excretion thereof. In addition, in the array, when a base material is coated with a polymeric compound having a unit having a primary amino group, a unit for maintaining hydrophilicity, and a unit having a hydrophobic group, the sugar chain is immobilized efficiently and non-specific adsorption and binding of the analyte can be effectively inhibited.
    Type: Grant
    Filed: July 29, 2011
    Date of Patent: April 12, 2016
    Assignees: SUMITOMO BAKELITE CO., LTD., NATIONAL UNIVERSITY CORPORATION HOKKAIDO UNIVERSITY
    Inventors: Shin-Ichiro Nishimura, Takahiko Matsushita, Hideyuki Shimaoka, Wataru Takada, Kohta Igarashi, Midori Abe, Hiroki Abe, Masao Fukushima
  • Patent number: 9267942
    Abstract: A sugar chain array containing a sugar chain immobilized thereon for detecting binding between an analyte and a sugar chain, and a sugar chain array having the sugar chain immobilized thereon that is capable of inhibiting non-specific adsorption and binding of an analyte without having to coat the array with an adsorption inhibitor. A specific sugar chain is immobilized on the array, and is useful for detecting binding between the sugar chain and an analyte, such as a pathogen of an infectious disease or an excretion thereof. In addition, in the array, when a base material is coated with a polymeric compound having a unit having a primary amino group, a unit for maintaining hydrophilicity, and a unit having a hydrophobic group, the sugar chain is immobilized efficiently and non-specific adsorption and binding of the analyte can be effectively inhibited.
    Type: Grant
    Filed: July 29, 2011
    Date of Patent: February 23, 2016
    Assignees: SUMITOMO BAKELITE CO., LTD., NATIONAL UNIVERSITY CORPORATION HOKKAIDO UNIVERSITY
    Inventors: Shin-Ichiro Nishimura, Takahiko Matsushita, Hideyuki Shimaoka, Wataru Takada, Kohta Igarashi, Midori Abe, Hiroki Abe, Masao Fukushima
  • Publication number: 20130316932
    Abstract: The present invention provides: a glycopeptide array which is useful for the detection of the binding between a substance to be detected and a glycopeptide; and an array which can inhibit the non-specific adsorption or binding of a substance to be detected without the need of coating any adsorption-inhibiting agent and which has the glycopeptide immobilized thereon. In the present invention, it was found that a glycopeptide that has a molecule having a carbonyl group bound to a peptide moiety thereof can be immobilized on a substrate that is coated with a polymer compound containing a unit having a primary amino group with high efficiency through the carbonyl group.
    Type: Application
    Filed: November 22, 2011
    Publication date: November 28, 2013
    Applicants: SUMITOMO BAKELITE CO., LTD., NATIONAL UNIVERSITY CORPORATION HOKKAIDO UNIVERSITY
    Inventors: Shin-Ichiro Nishimura, Takahiko Matsushita, Hideyuki Shimaoka, Wataru Takada, Kohta Igarashi, Midori Abe, Hiroki Abe, Masao Fukushima
  • Publication number: 20130196881
    Abstract: A sugar chain array containing a sugar chain immobilized thereon for detecting binding between an analyte and a sugar chain, and a sugar chain array having the sugar chain immobilized thereon that is capable of inhibiting non-specific adsorption and binding of an analyte without having to coat the array with an adsorption inhibitor. A specific sugar chain is immobilized on the array, and is useful for detecting binding between the sugar chain and an analyte, such as a pathogen of an infectious disease or an excretion thereof. In addition, in the array, when a base material is coated with a polymeric compound having a unit having a primary amino group, a unit for maintaining hydrophilicity, and a unit having a hydrophobic group, the sugar chain is immobilized efficiently and non-specific adsorption and binding of the analyte can be effectively inhibited.
    Type: Application
    Filed: July 29, 2011
    Publication date: August 1, 2013
    Applicants: National University Corporation Hokkaido University, Sumitomo Bakelite Co., Ltd.
    Inventors: Shin-Ichiro Nishimura, Takahiko Matsushita, Hideyuki Shimaoka, Wataru Takada, Kohta Igarashi, Midori Abe, Hiroki Abe, Masao Fukushima
  • Publication number: 20130034557
    Abstract: Cancer-associated O-glycopeptide combination epitopes derived from the VNTR of MUC1 are disclosed. Autoantibodies present in human sera target the combination epitopes and are reduced or absent in cancer patients. The epitopes are useful as therapeutic and immunoprophylactic cancer vaccines. Monoclonal antibodies directed against the epitopes are also useful as immunotherapeutics for treatment and prevention of cancer. Diagnostic methods using the epitopes and antibodies are also disclosed.
    Type: Application
    Filed: April 15, 2011
    Publication date: February 7, 2013
    Applicant: EZOSE SCIENCES, INC.
    Inventors: Shin-Ichiro Nishimura, Takahiko Matsushita, Yoshiaki Miura
  • Patent number: 7518233
    Abstract: A sealing structure for multi-chip modules stable in cooling performance and excelling in sealing reliability is to be provided. The under face of a frame 5 compatible with a wiring board 1 in thermal expansion rate is fixed with solder 8 to the face of the wiring board 1 for mounting semiconductor devices 2; a rubber O-ring 15 is placed between the upper face of the frame 5 and the under face of the circumference of an air-cooled: heat sink 7; the plastic member 6 making possible relative sliding is placed between the upper face of the circumference of the heat sink 7 and the upper frame 10; the upper face of a plastic member 6 is restrained with the inside middle stage of an upper frame 10; and the lower part of the upper frame 10 and the frame 5 are fastened together with bolts 9.
    Type: Grant
    Filed: June 9, 2000
    Date of Patent: April 14, 2009
    Assignees: Hitachi, Ltd., Hitachi Information Technology Co., Ltd.
    Inventors: Kouichi Takahashi, Kenichi Kasai, Takahiro Daikoku, Takayuki Uda, Toshitada Netsu, Takeshi Yamaguchi, Takahiko Matsushita, Osamu Maruyama