Patents by Inventor Sachiko Koike

Sachiko Koike 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: 11117196
    Abstract: A surface-coated cutting tool includes a substrate and a coating film that coats the substrate, wherein the coating film includes a WC1-x layer composed of a compound represented by WC1-x, where x is more than or equal to 0.54 and less than or equal to 0.58, and the compound represented by WC1-x includes a hexagonal crystal structure.
    Type: Grant
    Filed: March 14, 2019
    Date of Patent: September 14, 2021
    Assignee: Sumitomo Electric Industries, Ltd.
    Inventors: Sachiko Koike, Yuki Ueda, Keiichi Tsuda
  • Patent number: 11066425
    Abstract: Provided is a novel compound that has an excellent ?-lactamase inhibitory effect. More specifically, provided is a compound represented by formula (1a), (1b) or (11) having an excellent ?-lactamase inhibitory effect or a pharmaceutically acceptable salt thereof. By using this compound either in combination with a ?-lactam drug or alone, a useful preventive or therapeutic agent for bacterial infections is provided. Also provided are useful preventive or therapeutic agents for treating various diseases with the combined use of the aforesaid compound and ?-lactam drugs.
    Type: Grant
    Filed: December 29, 2020
    Date of Patent: July 20, 2021
    Assignees: SUMITOMO DAINIPPON PHARMA CO., LTD., THE KITASATO INSTITUTE
    Inventors: Toshio Kanai, Sachiko Koike, Takayuki Fukaya, Shunichiro Uesugi, Shingo Mizushima, Hitoshi Suda, Yuki Mizukami, Yohei Ikuma, Toshiaki Sunazuka, Yoshihiko Noguchi
  • Publication number: 20210147448
    Abstract: Provided is a novel compound that has an excellent ?-lactamase inhibitory effect. More specifically, provided is a compound represented by formula (1a), (1b) or (11) having an excellent ?-lactamase inhibitory effect or a pharmaceutically acceptable salt thereof. By using this compound either in combination with a ?-lactam drug or alone, a useful preventive or therapeutic agent for bacterial infections is provided. Also provided are useful preventive or therapeutic agents for treating various diseases with the combined use of the aforesaid compound and ?-lactam drugs.
    Type: Application
    Filed: April 26, 2019
    Publication date: May 20, 2021
    Applicants: SUMITOMO DAINIPPON PHARMA CO., LTD., THE KITASATO INSTITUTE
    Inventors: Toshio KANAI, Sachiko KOIKE, Takayuki FUKAYA, Shunichiro UESUGI, Shingo MIZUSHIMA, Hitoshi SUDA, Yuki MIZUKAMI, Yohei IKUMA, Toshiaki SUNAZUKA, Yoshihiko NOGUCHI
  • Publication number: 20200171581
    Abstract: A surface-coated cutting tool includes a substrate and a coating film that coats the substrate, wherein the coating film includes a WC1-x layer composed of a compound represented by WC1-x, where x is more than or equal to 0.54 and less than or equal to 0.58, the compound represented by WC1-x includes a hexagonal crystal structure, and a maximum point of a peak exists in a range of 31.2 to 31.4 eV in a spectrum diagram of a 4f orbital of a tungsten element obtained when measuring the WC1-x layer by an X-ray photoelectron spectroscopy analysis method.
    Type: Application
    Filed: March 14, 2019
    Publication date: June 4, 2020
    Applicant: Sumitomo Electric Industries, Ltd.
    Inventors: Sachiko KOIKE, Yuki UEDA, Keiichi TSUDA
  • Publication number: 20200171582
    Abstract: A surface-coated cutting tool includes a substrate and a coating film that coats the substrate, wherein the coating film includes a WC1-x layer composed of a compound represented by WC1-x, where x is more than or equal to 0.54 and less than or equal to 0.58, the compound represented by WC1-x includes a hexagonal crystal structure, and a ratio 1(110)/1(011) of an X-ray diffraction intensity of a (110) plane to an X-ray diffraction intensity of a (011) plane in the WC1-x layer is more than or equal to 0.1 and less than or equal to 0.4.
    Type: Application
    Filed: March 14, 2019
    Publication date: June 4, 2020
    Applicant: Sumitomo Electric Industries, Ltd.
    Inventors: Sachiko KOIKE, Yuki UEDA, Keiichi TSUDA
  • Publication number: 20200114431
    Abstract: A surface-coated cutting tool includes a substrate and a coating film that coats the substrate, wherein the coating film includes a WC1-x layer composed of a compound represented by WC1-x, where x is more than or equal to 0.54 and less than or equal to 0.58, and the compound represented by WC1-x includes a hexagonal crystal structure.
    Type: Application
    Filed: March 14, 2019
    Publication date: April 16, 2020
    Applicant: Sumitomo Electric Industries, Ltd.
    Inventors: Sachiko KOIKE, Yuki UEDA, Keiichi TSUDA
  • Patent number: 8685530
    Abstract: Provided is a surface-coated cutting tool combining superior heat resistance, superior wear resistance, and superior lubricity. A surface-coated cutting tool of the present invention includes a substrate and a coating formed on the substrate, and the coating is characterized in that the coating is formed by physical vapor deposition and includes one or more layers, that at least one of the one or more layers is a first coating layer, and that the first coating layer contains aluminum and nitrogen, has a thermal effusivity of 2,000 to 5,000 J·sec?1/2·m?2·K?1, has a thickness of 0.2 to 5 ?m, and has a crystal structure including a hexagonal structure.
    Type: Grant
    Filed: December 3, 2010
    Date of Patent: April 1, 2014
    Assignee: Sumitomo Electric Hardmetal Corp.
    Inventors: Sachiko Koike, Shinya Imamura, Kazuo Yamagata
  • Patent number: 8685531
    Abstract: Provided is a surface-coated cutting tool combining superior heat resistance, superior wear resistance, and superior lubricity with high adhesion between a substrate and a coating. A surface-coated cutting tool of the present invention includes a substrate and a coating formed on the substrate, and the coating is characterized in that the coating is formed by physical vapor deposition and includes one or more layers, that at least one of the one or more layers is a first coating layer, that the first coating layer contains aluminum and nitrogen, has a thermal effusivity of 2,000 to 5,000J·sec?1/2·m?2·K?1, and has a thickness of 0.2 to 5?m, that the first coating layer includes an amorphous region and a crystalline region in order from the substrate side, that the amorphous region is amorphous and has a thickness of 0.01 to 2?m, and that the crystalline region has a crystal structure including a hexagonal structure.
    Type: Grant
    Filed: December 3, 2010
    Date of Patent: April 1, 2014
    Assignee: Sumitomo Electric Hardmetal Corp.
    Inventors: Sachiko Koike, Shinya Imamura, Kazuo Yamagata
  • Patent number: 8389108
    Abstract: A surface-coated cutting tool of the present invention includes a substrate and a coated layer formed on the substrate, and the coated layer is a physical-vapor-deposition layer having a thickness of 10 ?m or more. A surface region having a thickness of 1 ?m from a surface of the coated layer includes a first region whose integrated residual stress is a compressive stress and a second region whose integrated residual stress is a tensile stress, and the integrated residual stress of the surface region falls within the range of ?1.5 to 1.5 GPa in any region included in the surface region.
    Type: Grant
    Filed: April 24, 2009
    Date of Patent: March 5, 2013
    Assignees: Sumitomo Electric Industries, Ltd., Sumitomo Electric Hardmetal Corp.
    Inventors: Hideki Moriguchi, Makoto Setoyama, Miki Miyanaga, Junya Okida, Sachiko Koike, Daiji Tabayashi
  • Publication number: 20120021199
    Abstract: Provided is a surface-coated cutting tool combining superior heat resistance, superior wear resistance, and superior lubricity. A surface-coated cutting tool of the present invention includes a substrate and a coating formed on the substrate, and the coating is characterized in that the coating is formed by physical vapor deposition and includes one or more layers, that at least one of the one or more layers is a first coating layer, and that the first coating layer contains aluminum and nitrogen, has a thermal effusivity of 2,000 to 5,000 J·sec?1/2·m?2·K?1, has a thickness of 0.2 to 5 ?m, and has a crystal structure including a hexagonal structure.
    Type: Application
    Filed: December 3, 2010
    Publication date: January 26, 2012
    Applicant: SUMITOMO ELECTRIC HARDMETAL CORP.
    Inventors: Sachiko Koike, Shinya Imamura, Kazuo Yamagata
  • Publication number: 20120009403
    Abstract: Provided is a surface-coated cutting tool combining superior heat resistance, superior wear resistance, and superior lubricity with high adhesion between a substrate and a coating. A surface-coated cutting tool of the present invention includes a substrate and a coating formed on the substrate, and the coating is characterized in that the coating is formed by physical vapor deposition and includes one or more layers, that at least one of the one or more layers is a first coating layer, that the first coating layer contains aluminum and nitrogen, has a thermal effusivity of 2,000 to 5,000 J·sec?1·m?1·K?1, and has a thickness of 0.2 to 5 ?m, that the first coating layer includes an amorphous region and a crystalline region in order from the substrate side, that the amorphous region is amorphous and has a thickness of 0.01 to 2 ?m, and that the crystalline region has a crystal structure including a hexagonal structure.
    Type: Application
    Filed: December 3, 2010
    Publication date: January 12, 2012
    Applicant: SUMITOMO ELECTRIC HARDMETAL CORP
    Inventors: Sachiko Koike, Shinya Imamura, Kazuo Yamagata
  • Patent number: 8071211
    Abstract: A surface-coated cutting tool according to the present invention includes a base material and a coating film formed on the base material. The coating film includes one or more hard layer and one or more oxygen-rich hard layer. The hard layer is crystalline in its entirety or crystalline with a part thereof being amorphous. The oxygen-rich hard layer and the hard layer are stacked and the oxygen-rich hard layer is amorphous in a region of interface with the hard layer.
    Type: Grant
    Filed: July 18, 2007
    Date of Patent: December 6, 2011
    Assignees: Sumitomo Electric Industries, Ltd., Sumitomo Electric Hardmetal Corp.
    Inventors: Sachiko Koike, Makoto Setoyama, Hideki Moriguchi
  • Publication number: 20100260561
    Abstract: A surface-coated cutting tool of the present invention includes a substrate and a coated layer formed on the substrate, and the coated layer is a physical-vapor-deposition layer having a thickness of 10 ?m or more. A surface region having a thickness of 1 ?m from a surface of the coated layer includes a first region whose integrated residual stress is a compressive stress and a second region whose integrated residual stress is a tensile stress, and the integrated residual stress of the surface region falls within the range of ?1.5 to 1.5 GPa in any region included in the surface region.
    Type: Application
    Filed: April 24, 2009
    Publication date: October 14, 2010
    Applicants: SUMITOMO ELECTRIC INDUSTRIES, LTD., SUMITOMO ELECTRIC HARDMETAL CORP.
    Inventors: Hideki Moriguchi, Makoto Setoyama, Miki Miyanaga, Junya Okida, Sachiko Koike, Daiji Tabayashi
  • Publication number: 20090202312
    Abstract: A surface-coated cutting tool according to the present invention includes a base material and a coating film formed on the base material. The coating film includes one or more hard layer and one or more oxygen-rich hard layer. The hard layer is crystalline in its entirety or crystalline with a part thereof being amorphous. The oxygen-rich hard layer and the hard layer are stacked and the oxygen-rich hard layer is amorphous in a region of interface with the hard layer.
    Type: Application
    Filed: July 18, 2007
    Publication date: August 13, 2009
    Inventors: Sachiko Koike, Makoto Setoyama, Hideki Moriguchi