Patents by Inventor Isao Koizumi

Isao Koizumi 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: 20220246923
    Abstract: The purpose of the present disclosure is to improve the cycle characteristics of a secondary battery that uses an Si-based active material containing Si. A negative electrode active material (Si-based active material) for secondary batteries according to one embodiment of the present invention comprises core particles, each of which is obtained by dispersing Si particles in a silicon oxide phase or a silicate phase, and a carbon material that adheres to the surfaces of the core particles. If a D/G ratio is the ratio of the peak intensity of the D-band to the peak intensity of the G-band in the Raman spectrum, the carbon material contains a first carbon material that has a D/G ratio of from 0.8 to 2 and a second carbon material that has a D/G ratio of from 0.01 to 0.5. The D/G ratio of the carbon material is from 0.2 to 0.9.
    Type: Application
    Filed: June 24, 2020
    Publication date: August 4, 2022
    Applicant: SANYO Electric Co., Ltd.
    Inventors: Isao Koizumi, Yasunobu Iwami, Takaharu Morikawa
  • Patent number: 10853980
    Abstract: In the image processing apparatus, the image processing method, the program, and the recording medium of the present invention, an image arrangement section arranges compositing target images according to a first layout to create a composite image. In a case where a comment combination region presence determination section determines that there is no region where comments are to be combined within the arrangement region of the compositing target images in the composite image, a composite image layout change section changes the first layout to a second layout in which the compositing target images and the comments are combined. The image arrangement section arranges the compositing target images in the second layout and combines the compositing target images and the comments to recreate the composite image.
    Type: Grant
    Filed: December 26, 2018
    Date of Patent: December 1, 2020
    Assignee: FUJIFILM Corporation
    Inventor: Isao Koizumi
  • Patent number: 10846771
    Abstract: In the image processing apparatus, the image processing method, the program, and the recording medium, a product item acquisition section acquires a first image product item set by a first user, and a number-of-images range acquisition section acquires a number-of-used-images range of images to be used in the first image product item. An upload prompting section transmits prompt information prompting the upload of images. Then, an image acquisition section acquires images from terminal devices of a plurality of users, and a number-of-images calculation section calculates the number of images after a predetermined period has passed. In a case where the number of images is out of the number-of-used-images range, a product item proposing section proposes an alternative different from the first image product item according to the number of images.
    Type: Grant
    Filed: June 20, 2018
    Date of Patent: November 24, 2020
    Assignee: FUJIFILM Corporation
    Inventor: Isao Koizumi
  • Patent number: 10783355
    Abstract: In an image processing system, an image processing method, a program, and a recording medium, a person specifying section specifies a plurality of persons appearing in a first composite image owned by a first user. A designated person receiving section receives designation of one or more persons as designated persons among the plurality of persons appearing in the first composite image. An image specifying section specifies images, in which the designated persons appear, from a first image group owned by the first user. A composite image creation unit creates a second composite image using the images in which the designated persons appear.
    Type: Grant
    Filed: September 5, 2018
    Date of Patent: September 22, 2020
    Assignee: FUJIFILM Corporation
    Inventor: Isao Koizumi
  • Publication number: 20190207219
    Abstract: A negative electrode active mass, a negative electrode, and a rechargeable battery, the active mass including a water-soluble polymer binder; a polymer particle binder; and a negative active material, wherein the water-soluble polymer binder, the polymer particle binder, and the negative active material are included in an amount of about 0.5-2.5:0.5-2.5:95-99, the water-soluble polymer binder includes a copolymer of a carboxyl group-containing acrylic monomer and a water-soluble acrylic acid monomer, repeating units of the water-soluble acrylic acid monomer are included in the copolymer in an amount of about 10 wt % to about 40 wt %, a shear viscosity at 25° C. of an aqueous solution including 1.0 wt % of the copolymer is about 1.0 (Pa·s) to 25 (Pa·s) at a shear rate of 1.0 (1/s), and the negative active material includes graphite particles having a hexagonal interplanar spacing d002 measured by XRD of about 0.3354 nm to 0.3362 nm.
    Type: Application
    Filed: December 21, 2018
    Publication date: July 4, 2019
    Inventors: Kunihiko EGUCHI, Iwao FUKUCHI, Isao KOIZUMI, Kenichi KAWASE
  • Publication number: 20190130627
    Abstract: In the image processing apparatus, the image processing method, the program, and the recording medium of the present invention, an image arrangement section arranges compositing target images according to a first layout to create a composite image. In a case where a comment combination region presence determination section determines that there is no region where comments are to be combined within the arrangement region of the compositing target images in the composite image, a composite image layout change section changes the first layout to a second layout in which the compositing target images and the comments are combined. The image arrangement section arranges the compositing target images in the second layout and combines the compositing target images and the comments to recreate the composite image.
    Type: Application
    Filed: December 26, 2018
    Publication date: May 2, 2019
    Applicant: FUJIFILM Corporation
    Inventor: Isao KOIZUMI
  • Publication number: 20190005312
    Abstract: In an image processing system, an image processing method, a program, and a recording medium, a person specifying section specifies a plurality of persons appearing in a first composite image owned by a first user. A designated person receiving section receives designation of one or more persons as designated persons among the plurality of persons appearing in the first composite image. An image specifying section specifies images, in which the designated persons appear, from a first image group owned by the first user. A composite image creation unit creates a second composite image using the images in which the designated persons appear.
    Type: Application
    Filed: September 5, 2018
    Publication date: January 3, 2019
    Applicant: FUJIFILM Corporation
    Inventor: Isao KOIZUMI
  • Publication number: 20180300784
    Abstract: In the image processing apparatus, the image processing method, the program, and the recording medium, a product item acquisition section acquires a first image product item set by a first user, and a number-of-images range acquisition section acquires a number-of-used-images range of images to be used in the first image product item. An upload prompting section transmits prompt information prompting the upload of images. Then, an image acquisition section acquires images from terminal devices of a plurality of users, and a number-of-images calculation section calculates the number of images after a predetermined period has passed. In a case where the number of images is out of the number-of-used-images range, a product item proposing section proposes an alternative different from the first image product item according to the number of images.
    Type: Application
    Filed: June 20, 2018
    Publication date: October 18, 2018
    Applicant: FUJIFILM Corporation
    Inventor: Isao KOIZUMI
  • Patent number: 9893351
    Abstract: A battery is provided including a positive electrode; a negative electrode including a first negative electrode active material; and an electrolytic solution, wherein the first negative electrode active material includes a core portion having a core portion surface, wherein the core portion has a median diameter of 0.3 ?m to 20 ?m, and a covering portion that covers at least part of the core portion surface, wherein the covering portion comprises at least Si, O and at least of one element M1 selected from Li, carbon (C), Mg, Al, Ca, Ti, Cr, Mn, Fe, Co, Ni, Cu, Ge, Zr, Mo, Ag, Sn, Ba, W, Ta, Na, and K.
    Type: Grant
    Filed: December 21, 2015
    Date of Patent: February 13, 2018
    Assignee: Murata Manufacturing Co., Ltd.
    Inventors: Takakazu Hirose, Kenichi Kawase, Takashi Fujinaga, Isao Koizumi, Toshio Nishi
  • Publication number: 20170288219
    Abstract: A lithium-ion secondary battery includes a positive electrode, a negative electrode containing an active material, and an electrolytic solution, in which the active material contains, as constituent elements, Si, O, and at least one element M1 selected from Li, C, Mg, Al, Ca, Ti, Cr, Mn, Fe, Co, Ni, Cu, Ge, Zr, Mo, Ag, Sn, Ba, W, Ta, Na, and K, and the atomic ratio x (O/Si) of O to Si is 0.5?x?1.8.
    Type: Application
    Filed: June 16, 2017
    Publication date: October 5, 2017
    Inventors: Takakazu Hirose, Kenichi Kawase, Toshio Nishi, Isao Koizumi
  • Patent number: 9780368
    Abstract: A lithium-ion secondary battery includes a positive electrode, a negative electrode containing an active material, and an electrolytic solution, in which the active material contains, as constituent elements, Si, O, and at least one element M1 selected from Li, C, Mg, Al, Ca, Ti, Cr, Mn, Fe, Co, Ni, Cu, Ge, Zr, Mo, Ag, Sn, Ba, W, Ta, Na, and K, and the atomic ratio x (O/Si) of O to Si is 0.5?x?1.8.
    Type: Grant
    Filed: June 19, 2012
    Date of Patent: October 3, 2017
    Assignee: Sony Corporation
    Inventors: Takakazu Hirose, Kenichi Kawase, Toshio Nishi, Isao Koizumi
  • Patent number: 9742007
    Abstract: A secondary battery includes: a cathode; an anode including an active material; and an electrolytic solution, wherein the active material includes a central section and a covering section provided on a surface of the central section, the central section includes silicon (Si) as a constituent element, the covering section includes carbon (C) and hydrogen (H) as constituent elements, and one or more of positive ions represented by CxHy (x and y satisfy 2?x?6 and 3?y?9) are detected by positive ion analysis of the covering section with the use of time-of-flight secondary ion mass spectrometry.
    Type: Grant
    Filed: February 27, 2014
    Date of Patent: August 22, 2017
    Assignee: Sony Corporation
    Inventors: Takakazu Hirose, Kenichi Kawase, Toshio Nishi, Isao Koizumi
  • Publication number: 20160104884
    Abstract: A battery is provided including a positive electrode; a negative electrode including a first negative electrode active material; and an electrolytic solution, wherein the first negative electrode active material includes a core portion having a core portion surface, wherein the core portion has a median diameter of 0.3 ?m to 20 ?m, and a covering portion that covers at least part of the core portion surface, wherein the covering portion comprises at least Si, O and at least of one element M1 selected from Li, carbon (C), Mg, Al, Ca, Ti, Cr, Mn, Fe, Co, Ni, Cu, Ge, Zr, Mo, Ag, Sn, Ba, W, Ta, Na, and K.
    Type: Application
    Filed: December 21, 2015
    Publication date: April 14, 2016
    Inventors: Takakazu HIROSE, Kenichi KAWASE, Takashi FUJINAGA, Isao KOIZUMI, Toshio NISHI
  • Patent number: 9225014
    Abstract: A battery is provided including a positive electrode; a negative electrode including a first negative electrode active material; and an electrolytic solution, wherein the first negative electrode active material includes a core portion having a core portion surface, wherein the core portion has a median diameter of 0.3 ?m to 20 ?m, and a covering portion that covers at least part of the core portion surface, wherein the covering portion comprises at least Si, O and at least of one element M1 selected from Li, carbon (C), Mg, Al, Ca, Ti, Cr, Mn, Fe, Co, Ni, Cu, Ge, Zr, Mo, Ag, Sn, Ba, W, Ta, Na, and K.
    Type: Grant
    Filed: June 1, 2015
    Date of Patent: December 29, 2015
    Assignee: Sony Corporation
    Inventors: Takakazu Hirose, Kenichi Kawase, Takashi Fujinaga, Isao Koizumi, Toshio Nishi
  • Publication number: 20150263344
    Abstract: A battery is provided including a positive electrode; a negative electrode including a first negative electrode active material; and an electrolytic solution, wherein the first negative electrode active material includes a core portion having a core portion surface, wherein the core portion has a median diameter of 0.3 ?m to 20 ?m, and a covering portion that covers at least part of the core portion surface, wherein the covering portion comprises at least Si, O and at least of one element M1 selected from Li, carbon (C), Mg, Al, Ca, Ti, Cr, Mn, Fe, Co, Ni, Cu, Ge, Zr, Mo, Ag, Sn, Ba, W, Ta, Na, and K.
    Type: Application
    Filed: June 1, 2015
    Publication date: September 17, 2015
    Inventors: Takakazu HIROSE, Kenichi KAWASE, Takashi FUJINAGA, Isao KOIZUMI, Toshio NISHI
  • Publication number: 20150243977
    Abstract: A secondary battery includes: a cathode; an anode including an active material; and an electrolytic solution, wherein the active material includes a central section and a covering section provided on a surface of the central section, the central section includes silicon (Si) as a constituent element, the covering section includes carbon (C) and hydrogen (H) as constituent elements, and one or more of positive ions represented by CxHy (x and y satisfy 2?x?6 and 3?x?9) are detected by positive ion analysis of the covering section with the use of time-of-flight secondary ion mass spectrometry.
    Type: Application
    Filed: February 27, 2014
    Publication date: August 27, 2015
    Applicant: Sony Corporation
    Inventors: Takakazu HIROSE, Kenichi KAWASE, Toshio NISHI, Isao KOIZUMI
  • Patent number: 9083054
    Abstract: A lithium ion secondary battery is provided with a positive electrode, a negative electrode containing an active material, and an electrolytic solution, wherein the active material includes a core portion capable of occluding and releasing lithium ions, an amorphous or low-crystalline coating portion disposed on at least a part of the surface of the core portion, and a fibrous carbon portion disposed on at least a part of the surface of the coating portion, and the coating portion contains Si and O as constituent elements, while the atomic ratio y (O/Si) of O relative to Si satisfies 0.5?y?1.8.
    Type: Grant
    Filed: June 19, 2012
    Date of Patent: July 14, 2015
    Assignee: SONY CORPORATION
    Inventors: Takakazu Hirose, Takashi Fujinaga, Isao Koizumi, Norihiro Shimoi, Kenichi Kawase
  • Patent number: 9048485
    Abstract: A lithium-ion secondary battery includes a positive electrode, a negative electrode containing an active material, and an electrolytic solution, in which the active material includes a core portion capable of occluding and releasing lithium ions, and a covering portion arranged on at least part of a surface of the core portion, in which the covering portion contains, as constituent elements, Si, O, and at least one element M1 selected from Li, C, Mg, Al, Ca, Ti, Cr, Mn, Fe, Co, Ni, Cu, Ge, Zr, Mo, Ag, Sn, Ba, W, Ta, Na, and K, and the atomic ratio y (O/Si) of O to Si is 0.5?y?1.8.
    Type: Grant
    Filed: June 18, 2012
    Date of Patent: June 2, 2015
    Assignee: SONY CORPORATION
    Inventors: Takakazu Hirose, Kenichi Kawase, Takashi Fujinaga, Isao Koizumi, Toshio Nishi
  • Publication number: 20120328945
    Abstract: A lithium ion secondary battery is provided with a positive electrode, a negative electrode containing an active material, and an electrolytic solution, wherein the active material includes a core portion capable of occluding and releasing lithium ions, an amorphous or low-crystalline coating portion disposed on at least a part of the surface of the core portion, and a fibrous carbon portion disposed on at least a part of the surface of the coating portion, and the coating portion contains Si and O as constituent elements, while the atomic ratio y (O/Si) of O relative to Si satisfies 0.5?y?1.8.
    Type: Application
    Filed: June 19, 2012
    Publication date: December 27, 2012
    Applicant: SONY CORPORATION
    Inventors: Takakazu Hirose, Takashi Fujinaga, Isao Koizumi, Norihiro Shimoi, Kenichi Kawase
  • Publication number: 20120328915
    Abstract: A lithium-ion secondary battery includes a positive electrode, a negative electrode containing an active material, and an electrolytic solution, in which the active material includes a core portion capable of occluding and releasing lithium ions, and a covering portion arranged on at least part of a surface of the core portion, in which the covering portion contains, as constituent elements, Si, O, and at least one element M1 selected from Li, C, Mg, Al, Ca, Ti, Cr, Mn, Fe, Co, Ni, Cu, Ge, Zr, Mo, Ag, Sn, Ba, W, Ta, Na, and K, and the atomic ratio y (O/Si) of O to Si is 0.5?y?1.8.
    Type: Application
    Filed: June 18, 2012
    Publication date: December 27, 2012
    Applicant: SONY CORPORATION
    Inventors: Takakazu Hirose, Kenichi Kawase, Takashi Fujinaga, Isao Koizumi, Toshio Nishi