Patents by Inventor Kyosuke Ito

Kyosuke Ito 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: 9847555
    Abstract: A power storage device with reduced initial irreversible capacity is provided. The power storage device includes a positive electrode including a positive electrode current collector and a positive electrode active material layer, a negative electrode including a negative electrode current collector and a negative electrode active material layer, and an electrolyte solution. In the negative electrode active material layer, the content percentage of a carbon material with an R value of 1.1 or more is less than 2 wt %. The R value refers to a ratio of a peak intensity I1360 to a peak intensity I1580 (I1360/I1580). The peak intensity I1360 and the peak intensity I1580 are observed by Raman spectrometry at a Raman shift of 1360 cm?1 and a Raman shift of 1580 cm?1, respectively. The electrolyte solution contains a lithium ion and an ionic liquid composed of an organic cation and an anion.
    Type: Grant
    Filed: April 3, 2017
    Date of Patent: December 19, 2017
    Assignee: Semiconductor Energy Laboratory Co., LTD.
    Inventors: Toru Itakura, Kyosuke Ito, Jun Ishikawa, Rie Yokoi
  • Patent number: 9818783
    Abstract: Provided is a solid-state image pickup apparatus including a crosstalk suppression mechanism included in each pixel arranged in a pixel array, the crosstalk suppression mechanism of a part of the pixels differing from that of other pixels in an effective area of the pixel array.
    Type: Grant
    Filed: February 1, 2017
    Date of Patent: November 14, 2017
    Assignee: SONY CORPORATION
    Inventor: Kyosuke Ito
  • Publication number: 20170229739
    Abstract: An ionic liquid having high electrochemical stability and a low melting point. An ionic liquid represented by the following general formula (G0) is provided. In the general formula (G0), R0 to R5 are individually any of an alkyl group having 1 to 20 carbon atoms, a methoxy group, a methoxymethyl group, a methoxyethyl group, and a hydrogen atom, and A? is a univalent imide-based anion, a univalent methide-based anion, a perfluoroalkyl sulfonic acid anion, tetrafluoroborate, or hexafluorophosphate.
    Type: Application
    Filed: February 23, 2017
    Publication date: August 10, 2017
    Inventors: Kyosuke ITO, Toru ITAKURA
  • Publication number: 20170207487
    Abstract: A power storage device with reduced initial irreversible capacity is provided. The power storage device includes a positive electrode including a positive electrode current collector and a positive electrode active material layer, a negative electrode including a negative electrode current collector and a negative electrode active material layer, and an electrolyte solution, in the negative electrode active material layer, the content percentage of a carbon material with an R value of 1.1 or more is less than 2 wt %, The R value refers to a ratio of a peak intensity I1360 to a peak intensity I1580 (I1360/I1580). The peak intensity I1360 and the peak intensity I1580 are observed by Raman spectrometry at a Raman shift of 1360 cm?1 and a Raman shift of 1580 cm?1, respectively. The electrolyte solution contains a lithium ion and an ionic liquid composed of an organic cation and an anion.
    Type: Application
    Filed: April 3, 2017
    Publication date: July 20, 2017
    Inventors: Toru ITAKURA, Kyosuke ITO, Jun ISHIKAWA, Rie YOKOI
  • Publication number: 20170148828
    Abstract: Provided is a solid-state image pickup apparatus including a crosstalk suppression mechanism included in each pixel arranged in a pixel array, the crosstalk suppression mechanism of a part of the pixels differing from that of other pixels in an effective area of the pixel array.
    Type: Application
    Filed: February 1, 2017
    Publication date: May 25, 2017
    Inventor: Kyosuke Ito
  • Patent number: 9620541
    Abstract: Provided is a solid-state image pickup apparatus including a crosstalk suppression mechanism included in each pixel arranged in a pixel array, the crosstalk suppression mechanism of a part of the pixels differing from that of other pixels in an effective area of the pixel array.
    Type: Grant
    Filed: June 30, 2014
    Date of Patent: April 11, 2017
    Assignee: SONY CORPORATION
    Inventor: Kyosuke Ito
  • Patent number: 9620820
    Abstract: A power storage device with reduced initial irreversible capacity is provided. The power storage device includes a positive electrode including a positive electrode current collector and a positive electrode active material layer, a negative electrode including a negative electrode current collector and a negative electrode active material layer, and an electrolyte solution. In the negative electrode active material layer, the content percentage of a carbon material with an R value of 1.1 or more is less than 2 wt %. The R value refers to a ratio of a peak intensity I1360 to a peak intensity I1580 (I1360/I1580). The peak intensity I1360 and the peak intensity I1580 are observed by Raman spectrometry at a Raman shift of 1360 cm?1 and a Raman shift of 1580 cm?1, respectively. The electrolyte solution contains a lithium ion and an ionic liquid composed of an organic cation and an anion.
    Type: Grant
    Filed: May 27, 2016
    Date of Patent: April 11, 2017
    Assignee: Semiconductor Energy Laboratory Co., LTD.
    Inventors: Toru Itakura, Kyosuke Ito, Jun Ishikawa, Rie Yokoi
  • Patent number: 9583276
    Abstract: An ionic liquid having high electrochemical stability and a low melting point. An ionic liquid represented by the following general formula (G0) is provided. In the general formula (G0), R0 to R5 are individually any of an alkyl group having 1 to 20 carbon atoms, a methoxy group, a methoxymethyl group, a methoxyethyl group, and a hydrogen atom, and A? is a univalent imide-based anion, a univalent methide-based anion, a perfluoroalkyl sulfonic acid anion, tetrafluoroborate, or hexafluorophosphate.
    Type: Grant
    Filed: October 21, 2015
    Date of Patent: February 28, 2017
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Kyosuke Ito, Toru Itakura
  • Patent number: 9577290
    Abstract: A power storage device using an organic solvent as a nonaqueous solvent for a nonaqueous electrolyte, in which a CV charging period in CCCV charging can be prevented from being extended and which has high performance, can be provided. The power storage device includes a positive electrode, a negative electrode, and a nonaqueous electrolyte. The nonaqueous electrolyte includes an ionic liquid including an alicyclic quaternary ammonium cation having one or more substituents and a counter anion to the alicyclic quaternary ammonium cation, a cyclic ester, and an alkali metal salt. In particular, in the power storage device, the ionic liquid content is greater than or equal to 70 wt % and less than 100 wt % per unit weight of the ionic liquid and the cyclic ester in the nonaqueous electrolyte, or greater than or equal to 50 wt % and less than 80 wt % per unit weight of the nonaqueous electrolyte.
    Type: Grant
    Filed: December 19, 2012
    Date of Patent: February 21, 2017
    Assignee: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.
    Inventors: Kyosuke Ito, Toru Itakura, Nobuhiro Inoue, Jun Ishikawa, Junpei Momo
  • Publication number: 20170040642
    Abstract: One object is to provide a power storage device including an electrolyte using a room-temperature ionic liquid which includes a univalent anion and a cyclic quaternary ammonium cation having excellent reduction resistance. Another object is to provide a high-performance power storage device. A room-temperature ionic liquid which includes a cyclic quaternary ammonium cation represented by a general formula (G1) below is used for an electrolyte of a power storage device. In the general formula (G1), one or two of R1 to R5 are any of an alkyl group having 1 to 20 carbon atoms, a methoxy group, a methoxymethyl group, and a methoxyethyl group. The other three or four of R1 to R5 are hydrogen atoms. A? is a univalent imide anion, a univalent methide anion, a perfluoroalkyl sulfonic acid anion, tetrafluoroborate (BF4?), or hexafluorophosphate (PF6?).
    Type: Application
    Filed: October 18, 2016
    Publication date: February 9, 2017
    Inventors: Kyosuke ITO, Toru ITAKURA
  • Patent number: 9559129
    Abstract: The present invention provides an antenna in that the adhesive intensity of a conductive body formed on a base film is increased, and a semiconductor device including the antenna. The invention further provides a semiconductor device with high reliability that is formed by attaching an element formation layer and an antenna, wherein the element formation layer is not damaged due to a structure of the antenna. The semiconductor device includes the element formation layer provided over a substrate and the antenna provided over the element formation layer. The element formation layer and the antenna are electrically connected. The antenna has a base film and a conductive body, wherein at least a part of the conductive body is embedded in the base film. As a method for embedding the conductive body in the base film, a depression is formed in the base film and the conductive body is formed therein.
    Type: Grant
    Filed: May 10, 2012
    Date of Patent: January 31, 2017
    Assignee: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.
    Inventors: Kyosuke Ito, Junya Maruyama, Takuya Tsurume, Shunpei Yamazaki
  • Publication number: 20160337605
    Abstract: A solid-state imaging device includes: a semiconductor layer having a first surface and a second surface that oppose each other; and a plurality of photodiodes stacked in the semiconductor layer. One or more photodiodes of the plurality of photodiodes also serve as a transfer path of a signal charge accumulated in other photodiodes.
    Type: Application
    Filed: January 8, 2015
    Publication date: November 17, 2016
    Inventor: KYOSUKE ITO
  • Patent number: 9478368
    Abstract: One object is to provide a power storage device including an electrolyte using a room-temperature ionic liquid which includes a univalent anion and a cyclic quaternary ammonium cation having excellent reduction resistance. Another object is to provide a high-performance power storage device. A room-temperature ionic liquid which includes a cyclic quaternary ammonium cation represented by a general formula (G1) below is used for an electrolyte of a power storage device. In the general formula (G1), one or two of R1 to R5 are any of an alkyl group having 1 to 20 carbon atoms, a methoxy group, a methoxymethyl group, and a methoxyethyl group. The other three or four of R1 to R5 are hydrogen atoms. A? is a univalent imide anion, a univalent methide anion, a perfluoroalkyl sulfonic acid anion, tetrafluoroborate (BF4?), or hexafluorophosphate (PF6?).
    Type: Grant
    Filed: August 4, 2014
    Date of Patent: October 25, 2016
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Kyosuke Ito, Toru Itakura
  • Publication number: 20160276710
    Abstract: A power storage device with reduced initial irreversible capacity is provided. The power storage device includes a positive electrode including a positive electrode current collector and a positive electrode active material layer, a negative electrode including a negative electrode current collector and a negative electrode active material layer, and an electrolyte solution. In the negative electrode active material layer, the content percentage of a carbon material with an R value of 1.1 or more is less than 2 wt %. The R value refers to a ratio of a peak intensity I1360 to a peak intensity I1580 (I1360/I1580). The peak intensity I1360 and the peak intensity I1580 are observed by Raman spectrometry at a Raman shift of 1360 cm?1 and a Raman shift of 1580 cm?1, respectively. The electrolyte solution contains a lithium ion and an ionic liquid composed of an organic cation and an anion.
    Type: Application
    Filed: May 27, 2016
    Publication date: September 22, 2016
    Inventors: Toru ITAKURA, Kyosuke ITO, Jun ISHIKAWA, Rie YOKOI
  • Patent number: 9362564
    Abstract: A power storage device with reduced initial irreversible capacity is provided. The power storage device includes a positive electrode including a positive electrode current collector and a positive electrode active material layer, a negative electrode including a negative electrode current collector and a negative electrode active material layer, and an electrolyte solution. In the negative electrode active material layer, the content percentage of a carbon material with an R value of 1.1 or more is less than 2 wt %. The R value refers to a ratio of a peak intensity I1360 to a peak intensity I1580 (I1360/I1580). The peak intensity I1360 and the peak intensity I1580 are observed by Raman spectrometry at a Raman shift of 1360 cm?1 and a Raman shift of 1580 cm?1, respectively. The electrolyte solution contains a lithium ion and an ionic liquid composed of an organic cation and an anion.
    Type: Grant
    Filed: October 4, 2013
    Date of Patent: June 7, 2016
    Assignee: Semiconductor Energy Laboratory Co., LTD.
    Inventors: Toru Itakura, Kyosuke Ito, Jun Ishikawa, Rie Yokoi
  • Publication number: 20160141719
    Abstract: A nonaqueous electrolyte of the present invention includes an ionic liquid including a first alicyclic quaternary ammonium cation having one or more substituents, a second alicyclic quaternary ammonium cation having an alicyclic skeleton that is the same as an alicyclic skeleton of the first alicyclic quaternary ammonium cation, and a counter anion to the first alicyclic quaternary ammonium cation and the second alicyclic quaternary ammonium cation and an alkali metal salt. In the second alicyclic quaternary ammonium cation, one of substituents bonded to a nitrogen atom in the alicyclic skeleton is a substituent including a halogen element. In the ionic liquid, the amount of a salt including the second alicyclic quaternary ammonium cation is less than or equal to 1 wt % per unit weight of the ionic liquid, or is less than or equal to 0.8 wt % per unit weight of the nonaqueous electrolyte.
    Type: Application
    Filed: January 28, 2016
    Publication date: May 19, 2016
    Inventors: Toru ITAKURA, Kyosuke ITO, Rie YOKOI (Former MATSUBARA), Jun ISHIKAWA
  • Publication number: 20160042876
    Abstract: An ionic liquid having high electrochemical stability and a low melting point. An ionic liquid represented by the following general formula (G0) is provided. In the general formula (G0), R0 to R5 are individually any of an alkyl group having 1 to 20 carbon atoms, a methoxy group, a methoxymethyl group, a methoxyethyl group, and a hydrogen atom, and A? is a univalent imide-based anion, a univalent methide-based anion, a perfluoroalkyl sulfonic acid anion, tetrafluoroborate, or hexafluorophosphate.
    Type: Application
    Filed: October 21, 2015
    Publication date: February 11, 2016
    Inventors: Kyosuke ITO, Toru ITAKURA
  • Patent number: 9252459
    Abstract: A nonaqueous electrolyte of the present invention includes an ionic liquid including a first alicyclic quaternary ammonium cation having one or more substituents, a second alicyclic quaternary ammonium cation having an alicyclic skeleton that is the same as an alicyclic skeleton of the first alicyclic quaternary ammonium cation, and a counter anion to the first alicyclic quaternary ammonium cation and the second alicyclic quaternary ammonium cation and an alkali metal salt. In the second alicyclic quaternary ammonium cation, one of substituents bonded to a nitrogen atom in the alicyclic skeleton is a substituent including a halogen element. In the ionic liquid, the amount of a salt including the second alicyclic quaternary ammonium cation is less than or equal to 1 wt % per unit weight of the ionic liquid, or is less than or equal to 0.8 wt % per unit weight of the nonaqueous electrolyte.
    Type: Grant
    Filed: December 19, 2012
    Date of Patent: February 2, 2016
    Assignee: Semiconductor Energy Co., Ltd.
    Inventors: Toru Itakura, Kyosuke Ito, Rie Yokoi, Jun Ishikawa
  • Patent number: 9171677
    Abstract: An ionic liquid having high electrochemical stability and a low melting point. An ionic liquid represented by the following general formula (G0) is provided. In the general formula (G0), R0 to R5 are individually any of an alkyl group having 1 to 20 carbon atoms, a methoxy group, a methoxymethyl group, a methoxyethyl group, and a hydrogen atom, and A? is a univalent imide-based anion, a univalent methide-based anion, a perfluoroalkyl sulfonic acid anion, tetrafluoroborate, or hexafluorophosphate.
    Type: Grant
    Filed: January 20, 2015
    Date of Patent: October 27, 2015
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Kyosuke Ito, Toru Itakura
  • Publication number: 20150132665
    Abstract: An ionic liquid having high electrochemical stability and a low melting point. An ionic liquid represented by the following general formula (G0) is provided. In the general formula (G0), R0 to R5 are individually any of an alkyl group having 1 to 20 carbon atoms, a methoxy group, a methoxymethyl group, a methoxyethyl group, and a hydrogen atom, and A? is a univalent imide-based anion, a univalent methide-based anion, a perfluoroalkyl sulfonic acid anion, tetrafluoroborate, or hexafluorophosphate.
    Type: Application
    Filed: January 20, 2015
    Publication date: May 14, 2015
    Inventors: Kyosuke ITO, Toru ITAKURA