Patents by Inventor Kenta Kawai

Kenta Kawai 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: 20210270858
    Abstract: Provided is an automatic analysis system that reduces a personnel burden and increases an operating rate using an autonomous mobile robot while suppressing an initial cost. The automatic analysis system includes: a plurality of devices that are disposed in an automatic analysis area 101 and includes analyzing units 103 and 104 included in an automatic analyzer; and a robot 102 that moves in the automatic analysis area, in which an operation screen of the analyzing unit has a first screen mode for an operator and a second screen mode for the robot and is switchable between the first screen mode and the second screen mode, and the robot obtains state information of the analyzing unit from the operation screen in the second screen mode.
    Type: Application
    Filed: May 23, 2019
    Publication date: September 2, 2021
    Inventors: Kenta Imai, Tomoakira Kawai, Taku Sakazume, Shigeru Yano, Manabu Minegishi, Takahiro Suzuki, Atsushi Watanabe
  • Patent number: 10490810
    Abstract: The present invention provides a positive electrode active material for non-aqueous electrolyte secondary battery comprising: core particles comprising a lithium transition metal composite oxide represented by the general formula: LiaNi1?x?yCoxM1yM2zO2 wherein 1.00?a?1.50, 0.00?x?0.50, 0.00?y?0.50, 0.00?z?0.02, 0.00?x+y?0.70, M1 is at least one element selected from the group consisting of Mn and Al, M2 is at least one element selected from the group consisting of Zr, Ta, Nb and Mo, and a surface layer located on a surface of the core particles, the surface layer comprising lithium, boron, tungsten and oxygen.
    Type: Grant
    Filed: September 11, 2017
    Date of Patent: November 26, 2019
    Assignee: NICHIA CORPORATION
    Inventor: Kenta Kawai
  • Patent number: 10454097
    Abstract: A positive electrode composition for nonaqueous electrolyte secondary battery comprises a lithium transition metal complex oxide represented by a general formula LiaNi1-x-yCoxM1yWzM2wO2, where 1.0?a?1.5, 0?x?0.5, 0?y?0.5, 0.002?z?0.03, 0?w?0.02, 0?x+y?0.7, M1 represents at least one selected from the group consisting of Mn and Al, and M2 represents at least one selected from the group consisting of Zr, Ti, Mg, Ta, Nb and Mo; and a boron compound comprising at least boron element and oxygen element.
    Type: Grant
    Filed: July 19, 2017
    Date of Patent: October 22, 2019
    Assignee: NICHIA CORPORATION
    Inventors: Kousuke Shimokita, Kenta Kawai, Kiyofumi Inouchi
  • Publication number: 20170373309
    Abstract: The present invention provides a positive electrode active material for non-aqueous electrolyte secondary battery comprising: core particles comprising a lithium transition metal composite oxide represented by the general formula: LiaNi1-x+yCoxM1yM2zO2 wherein 1.00?a?1.50, 0.00?x?0.50, 0.00?y?0.50, 0.00?z?0.02, 0.00?x+y?0.70, M1 is at least one element selected from the group consisting of Mn and Al, M2 is at least one element selected from the group consisting of Zr, Ta, Nb and Mo, and a surface layer located on a surface of the core particles, and the surface layer comprising boron, tungsten and oxygen; wherein the surface layer is obtained by heat-treating the core particles; a raw material compound (1) that is at least one compound selected from the group consisting of boron oxide, an oxo acid of boron, and a salt of an oxo acid of boron; and tungsten oxide (VI).
    Type: Application
    Filed: September 11, 2017
    Publication date: December 28, 2017
    Applicant: NICHIA CORPORATION
    Inventor: Kenta KAWAI
  • Publication number: 20170317339
    Abstract: A positive electrode composition for nonaqueous electrolyte secondary battery comprises a lithium transition metal complex oxide represented by a general formula LiaNi1-x-yCoxM1yWzM2wO2, where 1.0?a?1.5, 0?x?0.5, 0?y?0.5, 0.002?z?0.03, 0?w?0.02, 0?x+y?0.7, M1 represents at least one selected from the group consisting of Mn and Al, and M2 represents at least one selected from the group consisting of Zr, Ti, Mg, Ta, Nb and Mo; and a boron compound comprising at least boron element and oxygen element.
    Type: Application
    Filed: July 19, 2017
    Publication date: November 2, 2017
    Applicant: NICHIA CORPORATION
    Inventors: Kousuke SHIMOKITA, Kenta KAWAI, Kiyofumi INOUCHI
  • Patent number: 9793540
    Abstract: The present invention provides a positive electrode active material for non-aqueous electrolyte secondary battery comprising: core particles comprising a lithium transition metal composite oxide represented by the general formula: LiaNi1-x-yCoxM1yM2zO2 ?wherein 1.00?a?1.50, 0.00?x?0.50, 0.00?y?0.50, 0.00?z?0.02, 0.00?x+y?0.70, M1 is at least one element selected from the group consisting of Mn and Al, M2 is at least one element selected from the group consisting of Zr, Ta, Nb and Mo, and a surface layer located on a surface of the core particles, and the surface layer comprising boron, tungsten and oxygen; wherein the surface layer is obtained by heat-treating the core particles; a raw material compound (1) that is at least one compound selected from the group consisting of boron oxide, an oxo acid of boron, and a salt of an oxo acid of boron; and tungsten oxide (VI).
    Type: Grant
    Filed: December 12, 2014
    Date of Patent: October 17, 2017
    Assignee: NICHIA CORPORATION
    Inventor: Kenta Kawai
  • Patent number: 9742002
    Abstract: A positive electrode composition for nonaqueous electrolyte secondary battery comprises a lithium transition metal complex oxide represented by a general formula LiaNi1?x?yCoxM1yWzM2wO2, where 1.0?a?1.5, 0?x?0.5, 0?y?0.5, 0.002?z?0.03, 0?w?0.02, 0?x+y?0.7, M1 represents at least one selected from the group consisting of Mn and Al, and M2 represents at least one selected from the group consisting of Zr, Ti, Mg, Ta, Nb and Mo; and a boron compound comprising at least boron element and oxygen element.
    Type: Grant
    Filed: April 16, 2013
    Date of Patent: August 22, 2017
    Assignee: NICHIA CORPORATION
    Inventors: Kousuke Shimokita, Kenta Kawai, Kiyofumi Inouchi
  • Patent number: 9716272
    Abstract: A positive electrode composition comprises a positive electrode active material composed of a lithium transition metal complex oxide represented by the general formula Li1+xNiyCozM1-y-z-wLwO2 (wherein 0?x?0.50, 0.30?y?1.0, 0<z?0.5, 0?w?0.1, 0.30<y+z+w?1, M represents at least one kind selected from Mn and Al, and L represents at least one kind of an element selected from the group consisting of Zr, Ti, Mg and W), and additive particles composed of acidic oxide particles.
    Type: Grant
    Filed: June 20, 2011
    Date of Patent: July 25, 2017
    Assignee: NICHIA CORPORATION
    Inventors: Kenta Kawai, Kengo Ooishi, Hisato Sadamasu, Chika Kinouchi, Yasuhiro Yoshida
  • Publication number: 20150171424
    Abstract: The present invention provides a positive electrode active material for non-aqueous electrolyte secondary battery comprising: core particles comprising a lithium transition metal composite oxide represented by the general formula: LiaNi1-x-yCoxM1yM2zO2 wherein 1.00?a?1.50, 0.00?x?0.50, 0.00?y?0.50, 0.00?z?0.02, 0.00?x+y?0.70, M1 is at least one element selected from the group consisting of Mn and Al, M2 is at least one element selected from the group consisting of Zr, Ta, Nb and Mo, and a surface layer located on a surface of the core particles, and the surface layer comprising boron, tungsten and oxygen; wherein the surface layer is obtained by heat-treating the core particles; a raw material compound (1) that is at least one compound selected from the group consisting of boron oxide, an oxo acid of boron, and a salt of an oxo acid of boron; and tungsten oxide (VI).
    Type: Application
    Filed: December 12, 2014
    Publication date: June 18, 2015
    Inventor: Kenta KAWAI
  • Publication number: 20140066471
    Abstract: Disclosed is an external preparation composition having good transdermal absorbability. An external preparation composition having excellent transdermal absorbability can be produced by dissolving a medicinal substance or a salt thereof in a fatty acid-based ionic liquid to form a composite ionic composition of the medicinal substance. The external preparation composition can be used as a liquid preparation, an ointment, a cream, a plaster or the like, and enables to provide a preparation having excellent transdermal absorbability.
    Type: Application
    Filed: November 6, 2013
    Publication date: March 6, 2014
    Applicant: MEDRX CO., LTD.
    Inventors: Toshikazu YAMAGUCHI, Kenta KAWAI, Katsuhiro YAMANAKA, Noboru TATSUMI
  • Patent number: 8623387
    Abstract: Disclosed is an external preparation composition having good transdermal absorbability. An external preparation composition having excellent transdermal absorbability can be produced by dissolving a medicinal substance or a salt thereof in a fatty acid-based ionic liquid to form a composite ionic composition of the medicinal substance. The external preparation composition can be used as a liquid preparation, an ointment, a cream, a plaster or the like, and enables to provide a preparation having excellent transdermal absorbability.
    Type: Grant
    Filed: November 20, 2008
    Date of Patent: January 7, 2014
    Assignee: Medrx Co., Ltd.
    Inventors: Toshikazu Yamaguchi, Kenta Kawai, Katsuhiro Yamanaka, Noboru Tatsumi
  • Publication number: 20130277604
    Abstract: A positive electrode composition for nonaqueous electrolyte secondary battery comprises a lithium transition metal complex oxide represented by a general formula LiaNi1-x-yCoxM1yWzM2wO2, where 1.0?a?1.5, 0?x?0.5, 0?y?0.5, 0.002?z?0.03, 0?w?0.02, 0?x+y?0.7, M1 represents at least one selected from the group consisting of Mn and Al, and M2 represents at least one selected from the group consisting of Zr, Ti, Mg, Ta, Nb and Mo; and a boron compound comprising at least boron element and oxygen element.
    Type: Application
    Filed: April 16, 2013
    Publication date: October 24, 2013
    Inventors: Kousuke SHIMOKITA, Kenta KAWAI
  • Publication number: 20120276446
    Abstract: A positive electrode active material for non-aqueous electrolyte secondary battery, comprising particles of a lithium transition metal complex oxide represented by the general formula: LiaNi1?x?y?zCoxMnyM?zM?wO2 wherein 1.00?a?1.25, 0?x?0.5, 0?y?0.5, 0.002?z?0.01, 0?w?0.05, M? is at least one kind of an element selected from W, Mo, Nb and Ta, and M? is at least one kind of an element selected from Zr, Al, Mg, Ti, B and V.
    Type: Application
    Filed: April 26, 2012
    Publication date: November 1, 2012
    Inventor: Kenta KAWAI
  • Publication number: 20110315918
    Abstract: A positive electrode composition that has improved output power characteristics and low costs, and is also easily handled upon production of a positive electrode, and exhibits an improved yield is provided. A positive electrode composition comprising a positive electrode active material composed of a lithium transition metal complex oxide represented by the general formula Li1+xNiyCozM1?y?z?wLwO2 (wherein 0?x?0.50, 0.30?y?1.0, 0<z?0.5, 0?w?0.1, 0.30<y+z+w?1, M represents at least one kind selected from Mn and Al, and L represents at least one kind of an element selected from the group consisting of Zr, Ti, Mg and W), and additive particles composed of acidic oxide particles is used for positive electrode.
    Type: Application
    Filed: June 20, 2011
    Publication date: December 29, 2011
    Inventors: Kenta KAWAI, Kengo OOISHI, Hisato SADAMASU, Chika KINOUCHI, Yasuhiro YOSHIDA
  • Publication number: 20100256174
    Abstract: Disclosed is an external preparation composition having good transdermal absorbability. An external preparation composition having excellent transdermal absorbability can be produced by dissolving a medicinal substance or a salt thereof in a fatty acid-based ionic liquid to form a composite ionic composition of the medicinal substance. The external preparation composition can be used as a liquid preparation, an ointment, a cream, a plaster or the like, and enables to provide a preparation having excellent transdermal absorbability.
    Type: Application
    Filed: November 20, 2008
    Publication date: October 7, 2010
    Inventors: Toshikazu Yamaguchi, Kenta Kawai, Katsuhiro Yamanaka, Noboru Tatsumi