Patents by Inventor Kazuhiko Inoue

Kazuhiko Inoue 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: 20190123319
    Abstract: Provided is a battery comprising a separator comprising inorganic particles for preventing a short-circuit, wherein the inorganic particles are not removed readily from the separator. This battery is characterized by comprising a separator comprising a base material resin having voids and an inorganic particle having a surface (A) facing the void and a surface (B) in contact with the resin, wherein the length of the surface (A) is 50% or more of the length of the outer periphery of the particle in a cross-sectional SEM photograph of the separator.
    Type: Application
    Filed: April 18, 2017
    Publication date: April 25, 2019
    Applicant: NEC Corporation
    Inventors: Kenichi SHIMURA, Kazuhiko INOUE
  • Patent number: 10192304
    Abstract: A pattern width deviation measurement method includes measuring width dimensions of a plurality of figure patterns in an optical image from data of gray-scale value profiles of the optical image, using a threshold of a gray-scale value level variably set depending on design dimension information including design width dimension of a corresponding figure pattern of a plurality of figure patterns, and at which influence of a focus position on width dimension becomes smaller, measuring width dimensions of a plurality of corresponding figure patterns in a reference image from data of gray-scale value profiles of the reference image, respectively using the threshold for the corresponding figure pattern of a plurality of figure patterns, and calculating, for each of measured width dimensions of a plurality of figure patterns in the optical image, an amount deviated from a measured width dimension of a corresponding figure pattern in the reference image.
    Type: Grant
    Filed: September 2, 2016
    Date of Patent: January 29, 2019
    Assignee: NuFlare Technology, Inc.
    Inventors: Kazuhiko Inoue, Riki Ogawa
  • Publication number: 20180358649
    Abstract: The lithium ion secondary battery is a secondary battery in which a positive electrode 30 and a negative electrode 40 are stacked alternatively via a separator 25, wherein the separator 25 is a single layer and is not melted or softened at least 200° C., a thermal shrinkage ratio of the separator being 3% or below, wherein an insulating layer 70 is formed on a surface of the positive electrode 30, the surface facing to the separator 25.
    Type: Application
    Filed: July 27, 2016
    Publication date: December 13, 2018
    Applicant: NEC CORPORATION
    Inventors: Kazuhiko INOUE, Noboru YOSHIDA, Kenichi SHIMURA
  • Publication number: 20180307041
    Abstract: Provided is a projection optical system that is a monofocal lens or a zoom lens that includes a first and a second optical system. The second optical system forms an intermediate image and the first optical system enlarges and projects the intermediate image. The first optical system includes a first-A optical system and a first-B optical system and includes a reflecting optical element. In response to the monofocal lens or the zoom lens, conditional formulas (1) and (2) are satisfied in an infinity in-focus state, 0.18<Ta/Tw<0.4 . . . (1), 1<fa/|fw|<15 . . . (2). In the conditional formulas (1) and (2), Ta is an on-axis distance in the first-A optical system, Tw is an on-axis distance in the projection optical system, fa is a focal length of the first-A optical system, and fw is a focal length of an entirety of the projection optical system.
    Type: Application
    Filed: April 16, 2018
    Publication date: October 25, 2018
    Applicant: Konica Minolta, Inc.
    Inventors: Atsuo Masui, Kazuhiko Inoue, Atsushi Matsuura
  • Patent number: 10102267
    Abstract: An access control apparatus includes an acquisition unit and a changing unit. The acquisition unit divides the data stored in a storage device, which is to be accessed from a plurality of access devices, into a plurality of data groups, and obtains the access frequencies of the individual data groups, which are based on accesses to the data belonging to the data groups. The changing unit changes, on the basis of the access frequencies of the individual data groups, definition of data groups accessible by the individual access devices such as to reduce a difference in total access frequency of accessible data groups among the plurality of access devices.
    Type: Grant
    Filed: February 3, 2015
    Date of Patent: October 16, 2018
    Assignee: FUJITSU LIMITED
    Inventors: Kazuhiko Inoue, Toshiaki Senda, Nozomi Minami
  • Patent number: 10098434
    Abstract: Provided is a sprayer usable as a cosmetic mist device and an inhaler. The sprayer includes an air pump, a motor, a battery, a mist nozzle, a tank for storing a mist liquid concentrate, and a vertically long, cylindrical, main body case. The main body case is divided into front and back chambers by a division wall, and the tank is housed in the front chamber. The air pump, the motor, and an electrical component section including the battery are disposed, in this order, in the back chamber. The tank is formed in a vertically long shape occupying most of the front chamber without affecting an outer shape of the main body case. A grip portion is formed in a recessed manner at an upper portion of a back face of the main body case and the air pump and the motor are disposed near the grip portion.
    Type: Grant
    Filed: September 4, 2014
    Date of Patent: October 16, 2018
    Assignees: Sunstar Inc., Maxell Holdings, Ltd.
    Inventors: Masahiro Nishiura, Akio Yonetani, Hironobu Nagano, Kazuhiko Inoue, Yugo Watari, Yusuke Okamoto
  • Publication number: 20180248192
    Abstract: An object of the present invention is to provide a polyimide binder which can be prepared under lower temperature conditions. The binder composition for a secondary battery of the present invention is characterized in comprising a polyamic acid and an aromatic compound comprising an electron donating group and an organic acid group.
    Type: Application
    Filed: September 16, 2016
    Publication date: August 30, 2018
    Applicant: NEC Corporation
    Inventors: Shin SERIZAWA, Kazuhiko INOUE
  • Publication number: 20180175449
    Abstract: There is provided a lithium ion secondary battery having a positive electrode comprising a lithium nickel composite oxide as a positive electrode active material and a separator consisting of one or more layers selected from polyimide layer, polyamide layer, the battery having a low self-discharge failure rate even after long term storage. The present invention relates to a lithium ion secondary battery having a positive electrode comprising a lithium nickel composite oxide and a separator consisting of one or more layers selected from polyimide layer, polyamide layer, and polyamide imide layer, wherein the battery comprises an acid and/or an acid anhydride in an electrolyte solution and/or a member in contact with the electrolyte solution.
    Type: Application
    Filed: May 9, 2016
    Publication date: June 21, 2018
    Applicant: NEC CORPORATION
    Inventors: Jiro IRIYAMA, Kenichi SHIMURA, Kazuhiko INOUE
  • Publication number: 20180175451
    Abstract: A film package battery 1 has a battery element (20) having a positive electrode, a negative electrode and a separator that are stacked or wound, wherein, at least at 200° C., the separator does not melt or soften and has a heat shrinkage ratio of 3% or less; a film package (10) enclosing the battery element; and a fixing tape (70) fixed to a part of the battery element and fixed to an inner surface of the film package.
    Type: Application
    Filed: June 3, 2016
    Publication date: June 21, 2018
    Applicant: NEC Corporation
    Inventors: Kazuhiko INOUE, Makihiro OTOHATA, Shinya SUDO
  • Publication number: 20180159105
    Abstract: There is provided a lithium ion secondary battery having a positive electrode comprising a lithium nickel composite oxide as a positive electrode active material, and a separator consisting of one or more layers selected from a polyimide layer, a polyamide layer, and a polyamide imide layer, the lithium secondary battery exhibiting a low self-discharge failure rate even after long term storage. The present invention pertains to a lithium ion secondary battery having a positive electrode comprising a positive electrode active material comprising a lithium nickel composite oxide and a separator consisting of one or more layers selected from a polyimide layer, a polyamide layer, and a polyamide imide layer, wherein a suspension prepared by mixing the positive electrode active material and a deionized water at a mass ratio of 2:98 shows a pH of 9.3 or less.
    Type: Application
    Filed: May 9, 2016
    Publication date: June 7, 2018
    Applicant: NEC CORPORATION
    Inventors: Jiro IRIYAMA, Kazuhiko INOUE, Kenichi SHIMURA
  • Patent number: 9991506
    Abstract: Provided are an electrode binder for lithium secondary batteries, which is suppressed in deterioration in adhesive power, strength and stretchability caused by decomposition of imide groups by hydrolysis, said imide groups being contained in a polyamide-imide that is used as a binder for an electrode active material, and which is capable of prolonging the service life of a lithium secondary battery by suppressing deterioration of an electrode even in cases where water is generated due to repeated charging and discharging; a negative electrode for lithium secondary batteries; a lithium secondary battery; a method for manufacturing a lithium secondary battery having long service life, said lithium secondary battery being suppressed in deterioration of an electrode even in cases where water is generated due to repeated charging and discharging; a method for producing an electrode binder for lithium secondary batteries; and an automobile.
    Type: Grant
    Filed: June 1, 2012
    Date of Patent: June 5, 2018
    Assignee: NEC Corporation
    Inventor: Kazuhiko Inoue
  • Patent number: 9983392
    Abstract: A projection zoom lens includes, sequentially from an enlargement conjugate side: a first lens group having negative refractive power; a second lens group having positive or negative refractive power; a third lens group having positive refractive power; a fourth lens group having negative refractive power; a fifth lens group having positive refractive power; and a sixth lens group having positive refractive power, and configured to perform a magnification variation by changing the interval between the respective lens groups, wherein the fourth lens group includes at least one positive lens and at least one negative lens, at least one of the positive lenses included in the fourth lens group satisfies the following Conditional Expressions: 0.71??g_Fp+0.004×?dp?0.73 and 15??dp?25, and the back focus of the entire projection zoom lenses satisfies the following Conditional Expression 1.0?BF/Fw?2.7.
    Type: Grant
    Filed: March 6, 2017
    Date of Patent: May 29, 2018
    Assignee: KONICA MINOLTA, INC.
    Inventors: Kazuhiko Inoue, Yusuke Imai
  • Patent number: 9958655
    Abstract: A projection lens system includes a first lens group including a 1a-th lens group having a negative refractive power, a 1b-th lens group having a positive or negative refractive power, and a 1c-th lens group having a positive or negative refractive power. During a zoom, the first lens group remains stationary on an optical axis. During a focus from a remote distance side to a close distance side, the 1a-th lens group remains stationary on the optical axis while the 1b-th and 1c-th lens groups move toward the enlargement conjugate side along different loci respectively. Conditional formula ?4.7<fl/fw<?2.5 is fulfilled at both the remote and close distance sides, where fl represents a focal length of the first lens group, and fw represents a focal length of the entire system at a wide-angle end.
    Type: Grant
    Filed: September 14, 2016
    Date of Patent: May 1, 2018
    Assignee: Konica Minolta, Inc.
    Inventors: Yusuke Imai, Kazuhiko Inoue
  • Publication number: 20180115015
    Abstract: Provided is a lithium ion secondary battery with high safety and high energy density which solves a concern about the safety, when a large amount of metal is used in a negative electrode active materials to achieve higher energy density and therefore an acceptable amount of lithium in a carbon material of the negative electrode is smaller than a releasable amount of lithium in a positive electrode active material. The present invention relates to a lithium ion secondary battery, wherein the positive electrode has a charge capacity per unit area of 3 mAh/cm2 or more, the negative electrode comprises a metal and/or a metal oxide and a carbon as negative electrode active materials, the acceptable amount of lithium in the carbon in the negative electrode is less than the releasable amount of lithium from the positive electrode, and the separator has a thermal shrinkage coefficient of less than 3% at a boiling point of the electrolyte solution in the electrolyte solution.
    Type: Application
    Filed: March 24, 2016
    Publication date: April 26, 2018
    Inventors: Kazuhiko INOUE, Kenichi SHIMURA, Daisuke KAWASAKI, Noboru YOSHIDA
  • Publication number: 20180090792
    Abstract: The present invention relates to a lithium ion secondary battery comprising a positive electrode having a coating amount per unit area of 50 mg/cm2 or more and an electrode density of 3.3 g/cc or more and a negative electrode having a coating amount per unit area of 24 mg/cm2 or more and an electrode density of 1.5 g/cc or more, a separator having a shrinking ratio of 2% or less by heat treatment at 80° C. for 6 hours, and an electrolyte solution comprising at least one sulfonic acid ester compound, and a ratio of a sulfur content in the central portion (As) and a sulfur content in the edge portion (Bs) of the positive electrode and the negative electrode, in each, is 0.7?As/Bs?1.1.
    Type: Application
    Filed: March 22, 2016
    Publication date: March 29, 2018
    Applicant: NEC CORPORATION
    Inventors: Daisuke KAWASAKI, Kenichi SHIMURA, Noboru YOSHIDA, Kazuhiko INOUE, Jiro IRIYAMA
  • Publication number: 20180076479
    Abstract: The present invention relates to a lithium ion secondary battery comprising an electrode element comprising a positive electrode, a negative electrode and a separator, and an electrolyte solution, wherein the separator has a shrinking ratio of 2% or less by heat treatment at 90 ° C. for 6 hours, and a contest of physically adsorbed water of the electrode element is 2% by mass or less, or a content of chemically adsorbed water in a positive electrode active material layer of the positive electrode is 1% by mass or less.
    Type: Application
    Filed: March 22, 2016
    Publication date: March 15, 2018
    Applicant: NEC CORPORATION
    Inventors: Daisuke KAWASAKI, Kenichi SHlMURA, Noboru YOSHIDA, Kazuhiko INOUE, Jiro IRIYAMA
  • Publication number: 20180040867
    Abstract: The separator for secondary battery, comprising: a porous substrate having a melting temperature or a decomposition temperature of 200° C. or more; and a resin member formed at least inside of the substrate in a plane section that occupies at least a part of a plane along with a thickness direction of the substrate; wherein said resin member is coated on inner surfaces of pores without completely blocking connecting paths that connects pores of the porous member, and wherein a distribution density of the resin member becomes lower toward inside of the substrate.
    Type: Application
    Filed: March 4, 2016
    Publication date: February 8, 2018
    Inventors: Kenichi SHIMURA, Noboru YOSHIDA, Kazuhiko INOUE
  • Publication number: 20180026256
    Abstract: Provided is a battery capable of surely interrupting current at the time of temperature rise so that excessive heat generation does not occur at the occurrence of an abnormality. The battery 1 includes a battery element 10 including a positive electrode and a negative electrode, an inner package 13 which forms a first chamber 13a for enclosing the battery element 10, an outer package 14 which encloses the inner package 13 such that the outer package 14 forms a second chamber 14a which surrounds the first chamber 13a, and a pair of terminals 11, 12 electrically connected to the positive electrode and the negative electrode and led out to the outside of the outer package 14. One terminal 11 of the pair of terminals 11, 12 has a first terminal 11a and a second terminal 11b arranged so as to be electrically connected in the second chamber 13a.
    Type: Application
    Filed: February 9, 2016
    Publication date: January 25, 2018
    Applicant: NEC Corporation
    Inventors: Kazuhiko INOUE, Kenichi SHIMURA
  • Patent number: 9871272
    Abstract: The present invention relates to an electrolyte solution for a lithium secondary battery, which contains a sulfonate compound represented by a specific formula and carboxylic anhydride having one or more C?C double bonds, and a lithium secondary battery using the same.
    Type: Grant
    Filed: November 28, 2013
    Date of Patent: January 16, 2018
    Assignee: NEC Corporation
    Inventors: Shinsaku Saitho, Hitoshi Ishikawa, Kazuhiko Inoue
  • Publication number: 20170358829
    Abstract: Provided is a secondary battery capable of breaking an external electrical connection by way of a simpler configuration when an abnormality such as overcharge occurs. A secondary battery 1 comprises a battery element comprising a positive electrode 11, a negative electrode 12, a separator 13, and an electrolytic solution, and a casing sealing the battery element. The electrolytic solution comprises a gel component and an organic solvent having a boiling point of 125° C. or less. The separator 13 comprises a fiber assembly or a microporous structure composed of one or more resins selected from aramid, polyimide, and polyphenylenesulfide, and has an average void size of 0.1 ?m or more.
    Type: Application
    Filed: October 19, 2015
    Publication date: December 14, 2017
    Applicant: NEC Coporation
    Inventors: Kazuhiko INOUE, Kenichi SHIMURA