Patents by Inventor Takamitsu Utsumi

Takamitsu Utsumi 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: 10908160
    Abstract: The object is to provide a lysis method and lysis treatment solution for efficiently lysing cells of various Streptococcus bacteria in milk of a livestock animal to release a specific antigen substance contained in the cells for detecting whether causative bacterium of mastitis is a Streptococcus bacterium or not by using the milk, as well as a detection method using an immunochromatographic device. There is provided a method for lysing a Streptococcus bacterium, which comprises the step of mixing a lysis agent containing a lytic enzyme with milk obtained form a livestock animal to lyse a Streptococcus bacterium existing in the milk. The lytic enzyme is preferably at least one selected from the group consisting of lysozyme, labiase, and ?-N-acetylglucosaminidase.
    Type: Grant
    Filed: December 3, 2019
    Date of Patent: February 2, 2021
    Assignee: ASAHI KASEI KABUSHIKI KAISHA
    Inventors: Takamitsu Utsumi, Koji Maehana, Kenji Matsuyama
  • Publication number: 20200103405
    Abstract: The object is to provide a lysis method and lysis treatment solution for efficiently lysing cells of various Streptococcus bacteria in milk of a livestock animal to release a specific antigen substance contained in the cells for detecting whether causative bacterium of mastitis is a Streptococcus bacterium or not by using the milk, as well as a detection method using an immunochromatographic device. There is provided a method for lysing a Streptococcus bacterium, which comprises the step of mixing a lysis agent containing a lytic enzyme with milk obtained form a livestock animal to lyse a Streptococcus bacterium existing in the milk. The lytic enzyme is preferably at least one selected from the group consisting of lysozyme, labiase, and ?-N-acetylglucosaminidase.
    Type: Application
    Filed: December 3, 2019
    Publication date: April 2, 2020
    Applicant: ASAHI KASEI KABUSHIKI KAISHA
    Inventors: Takamitsu UTSUMI, Koji MAEHANA, Kenji MATSUYAMA
  • Patent number: 10527617
    Abstract: The object is to provide a lysis method and lysis treatment solution for efficiently lysing cells of various Streptococcus bacteria in milk of a livestock animal to release a specific antigen substance contained in the cells for detecting whether causative bacterium of mastitis is a Streptococcus bacterium or not by using the milk, as well as a detection method using an immunochromatographic device. There is provided a method for lysing a Streptococcus bacterium, which comprises the step of mixing a lysis agent containing a lytic enzyme with milk obtained form a livestock animal to lyse a Streptococcus bacterium existing in the milk. The lytic enzyme is preferably at least one selected from the group consisting of lysozyme, labiase, and ?-N-acetylglucosaminidase.
    Type: Grant
    Filed: October 31, 2018
    Date of Patent: January 7, 2020
    Assignee: ASAHI KASEI KABUSHIKI KAISHA
    Inventors: Takamitsu Utsumi, Koji Maehana, Kenji Matsuyama
  • Publication number: 20190064163
    Abstract: The object is to provide a lysis method and lysis treatment solution for efficiently lysing cells of various Streptococcus bacteria in milk of a livestock animal to release a specific antigen substance contained in the cells for detecting whether causative bacterium of mastitis is a Streptococcus bacterium or not by using the milk, as well as a detection method using an immunochromatographic device. There is provided a method for lysing a Streptococcus bacterium, which comprises the step of mixing a lysis agent containing a lytic enzyme with milk obtained form a livestock animal to lyse a Streptococcus bacterium existing in the milk. The lytic enzyme is preferably at least one selected from the group consisting of lysozyme, labiase, and ?-N-acetylglucosaminidase.
    Type: Application
    Filed: October 31, 2018
    Publication date: February 28, 2019
    Applicant: ASAHI KASEI KABUSHIKI KAISHA
    Inventors: Takamitsu UTSUMI, Koji MAEHANA, Kenji MATSUYAMA
  • Patent number: 10139409
    Abstract: The object is to provide a lysis method and lysis treatment solution for efficiently lysing cells of various Streptococcus bacteria in milk of a livestock animal to release a specific antigen substance contained in the cells for detecting whether causative bacterium of mastitis is a Streptococcus bacterium or not by using the milk, as well as a detection method using an immunochromatographic device. There is provided a method for lysing a Streptococcus bacterium, which comprises the step of mixing a lysis agent containing a lytic enzyme with milk obtained form a livestock animal to lyse a Streptococcus bacterium existing in the milk. The lytic enzyme is preferably at least one selected from the group consisting of lysozyme, labiase, and ?-N-acetylglucosaminidase.
    Type: Grant
    Filed: December 17, 2014
    Date of Patent: November 27, 2018
    Assignee: ASAHI KASEI KABUSHIKI KAISHA
    Inventors: Takamitsu Utsumi, Koji Maehana, Kenji Matsuyama
  • Patent number: 9485861
    Abstract: Provided is a prepreg suffering little resin particle fall-off and little resin peeling during prepreg production and during handling in order to have excellent dielectric properties for PPE and favorable adhesiveness. A PPE-containing prepreg constituted of a base material and a curable resin composition including PPE particles, wherein the prepreg is characterized in that (1) PPE extracted from the prepreg using a mixed solvent of toluene and methanol in a mass ratio of 95:5 includes PPE particles (A) insoluble in the mixed solvent, (2) the amount of PPE contained in the PPE particles (A) is 70 mass % or higher, and (3) the number-average molecular weight of the PPE contained in the PPE particles (A) is 8,000-40,000.
    Type: Grant
    Filed: August 28, 2014
    Date of Patent: November 1, 2016
    Assignee: ASAHI KASEI E-MATERIALS CORPORATION
    Inventors: Masaaki Endo, Takamitsu Utsumi, Shoji Otani
  • Publication number: 20160313328
    Abstract: The object is to provide a lysis method and lysis treatment solution for efficiently lysing cells of various Streptococcus bacteria in milk of a livestock animal to release a specific antigen substance contained in the cells for detecting whether causative bacterium of mastitis is a Streptococcus bacterium or not by using the milk, as well as a detection method using an immunochromatographic device. There is provided a method for lysing a Streptococcus bacterium, which comprises the step of mixing a lysis agent containing a lytic enzyme with milk obtained form a livestock animal to lyse a Streptococcus bacterium existing in the milk. The lytic enzyme is preferably at least one selected from the group consisting of lysozyme, labiase, and ?-N-acetylglucosaminidase.
    Type: Application
    Filed: December 17, 2014
    Publication date: October 27, 2016
    Applicant: ASAHI KASEI KABUSHIKI KAISHA
    Inventors: Takamitsu UTSUMI, Koji MAEHANA, Kenji MATSUYAMA
  • Patent number: 9258891
    Abstract: Provided is a prepreg suffering little resin particle fall-off and little resin peeling during prepreg production and during handling in order to have excellent dielectric properties for PPE and favorable adhesiveness. A PPE-containing prepreg constituted of a base material and a curable resin composition including PPE particles, wherein the prepreg is characterized in that (1) PPE extracted from the prepreg using a mixed solvent of toluene and methanol in a mass ratio of 95:5 includes PPE particles (A) insoluble in the mixed solvent, (2) the amount of PPE contained in the PPE particles (A) is 70 mass % or higher, and (3) the number-average molecular weight of the PPE contained in the PPE particles (A) is 8,000-40,000.
    Type: Grant
    Filed: March 19, 2013
    Date of Patent: February 9, 2016
    Assignee: ASAHI KASEI E-MATERIALS CORPORATION
    Inventors: Masaaki Endo, Takamitsu Utsumi, Shoji Otani
  • Publication number: 20150057413
    Abstract: Provided is a prepreg suffering little resin particle fall-off and little resin peeling during prepreg production and during handling in order to have excellent dielectric properties for PPE and favorable adhesiveness. A PPE-containing prepreg constituted of a base material and a curable resin composition including PPE particles, wherein the prepreg is characterized in that (1) PPE extracted from the prepreg using a mixed solvent of toluene and methanol in a mass ratio of 95:5 includes PPE particles (A) insoluble in the mixed solvent, (2) the amount of PPE contained in the PPE particles (A) is 70 mass % or higher, and (3) the number-average molecular weight of the PPE contained in the PPE particles (A) is 8,000-40,000.
    Type: Application
    Filed: August 28, 2014
    Publication date: February 26, 2015
    Inventors: Masaaki ENDO, Takamitsu UTSUMI, Shoji OTANI
  • Publication number: 20140127462
    Abstract: Provided is a prepreg suffering little resin particle fall-off and little resin peeling during prepreg production and during handling in order to have excellent dielectric properties for PPE and favorable adhesiveness. A PPE-containing prepreg constituted of a base material and a curable resin composition including PPE particles, wherein the prepreg is characterized in that (1) PPE extracted from the prepreg using a mixed solvent of toluene and methanol in a mass ratio of 95:5 includes PPE particles (A) insoluble in the mixed solvent, (2) the amount of PPE contained in the PPE particles (A) is 70 mass % or higher, and (3) the number-average molecular weight of the PPE contained in the PPE particles (A) is 8,000-40,000.
    Type: Application
    Filed: March 19, 2013
    Publication date: May 8, 2014
    Applicant: Asahi Kasei E-Materials Corporation
    Inventors: Masaaki Endo, Takamitsu Utsumi, Shoji Otani
  • Patent number: 8703277
    Abstract: Provided is a curable resin composition which can provide a cured article having a low dielectric constant and a low dielectric tangent, and can also provide a cured article having excellent moldability at ordinary press-molding temperatures, excellent heat resistance and excellent adhesion properties. The present invention provides a curable resin composition containing a polyphenylene ether, wherein the average number of phenolic hydroxy groups is 0.3 or more per molecule of the polyphenylene ether, the resin flow amount of the curable resin composition upon curing is 0.3 to 15% inclusive, and a cured article having a dielectric tangent of 0.005 or less at 1 GHz and a glass transition temperature of 170° C. or higher can be produced.
    Type: Grant
    Filed: December 16, 2011
    Date of Patent: April 22, 2014
    Assignee: Asahi Kasei E-Materials Corporation
    Inventors: Tetsuji Tokiwa, Takamitsu Utsumi, Masaaki Endo
  • Publication number: 20130266779
    Abstract: Provided is a curable resin composition which can provide a cured article having a low dielectric constant and a low dielectric tangent, and can also provide a cured article having excellent moldability at ordinary press-molding temperatures, excellent heat resistance and excellent adhesion properties. The present invention provides a curable resin composition containing a polyphenylene ether, wherein the average number of phenolic hydroxy groups is 0.3 or more per molecule of the polyphenylene ether, the resin flow amount of the curable resin composition upon curing is 0.3 to 15% inclusive, and a cured article having a dielectric tangent of 0.005 or less at 1 GHz and a glass transition temperature of 170° C. or higher can be produced.
    Type: Application
    Filed: December 16, 2011
    Publication date: October 10, 2013
    Applicant: ASAHI KASEI E-MATERIALS CORPORATION
    Inventors: Tetsuji Tokiwa, Takamitsu Utsumi, Masaaki Endo