Patents by Inventor Keiichiro Tanaka

Keiichiro Tanaka 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: 20210296735
    Abstract: A slurry composition for a non-aqueous secondary battery adhesive layer contains organic particles, a sulfosuccinic acid ester or a salt thereof, a hydrocarbon having a molecular weight of 1,000 or less, and water.
    Type: Application
    Filed: July 12, 2019
    Publication date: September 23, 2021
    Applicant: ZEON CORPORATION
    Inventor: Keiichiro TANAKA
  • Patent number: 11011794
    Abstract: Provided is a composition for a non-aqueous secondary battery functional layer capable of forming a functional layer that can provide a battery member such as an electrode or a separator with both excellent blocking resistance and excellent process adhesiveness. The composition for a functional layer contains a particulate polymer A. The particulate polymer A has a core-shell structure including a core portion and a shell portion that at least partially covers an outer surface of the core portion. The core portion is formed from a polymer having a glass-transition temperature of higher than 25° C. and lower than 80° C. The shell portion is formed from a polymer having a glass-transition temperature of ?80° C. to 25° C. The proportion constituted by the core portion among the total of the core portion and the shell portion is 30 mass % to 80 mass %.
    Type: Grant
    Filed: November 14, 2017
    Date of Patent: May 18, 2021
    Assignee: ZEON CORPORATION
    Inventor: Keiichiro Tanaka
  • Publication number: 20210075017
    Abstract: Provided is a composition for a non-aqueous secondary battery functional layer with which it is possible to form a functional layer that can cause a battery member for a non-aqueous secondary battery to display a balance of both high blocking resistance and high process adhesiveness. The composition for a non-aqueous secondary battery functional layer contains a particulate polymer having a core-shell structure including a core portion and a shell portion covering at least a portion of an outer surface of the core portion. The core portion is formed of a polymer A and the shell portion is formed of a polymer B including not less than 1 mol % and not more than 30 mol % of a sulfo group-containing monomer unit.
    Type: Application
    Filed: December 18, 2018
    Publication date: March 11, 2021
    Applicant: ZEON CORPORATION
    Inventors: Takumi SUGIMOTO, Keiichiro TANAKA
  • Patent number: 10930912
    Abstract: Provided is a composition for a non-aqueous secondary battery functional layer capable of forming a functional layer for a non-aqueous secondary battery that has excellent adhesiveness after immersion in electrolyte solution and can cause a non-aqueous secondary battery to display excellent cycle characteristics and output characteristics. The composition for a non-aqueous secondary battery functional layer contains organic particles and a binder for a functional layer. The organic particles have an electrolyte solution elution amount of at least 0.001 mass % and not more than 5.0 mass %.
    Type: Grant
    Filed: August 2, 2017
    Date of Patent: February 23, 2021
    Assignee: ZEON CORPORATION
    Inventors: Kenji Arai, Keiichiro Tanaka, Kazuki Asai
  • Publication number: 20210050616
    Abstract: Provided is a method of efficiently producing a laminate for a non-aqueous secondary battery having excellent process adhesiveness. The method of producing a laminate for a non-aqueous secondary battery is a method of producing a laminate for a non-aqueous secondary battery including an electrode and a separator that are affixed to each other and includes: a step (A) of supplying, to at least one of an affixing surface of the electrode and an affixing surface of the separator, a substance that can plasticize a polymer contained in a surface layer part at an affixing surface side of at least one of the electrode and the separator; and a step (B) of affixing the electrode and the separator to each other after step (A).
    Type: Application
    Filed: March 20, 2019
    Publication date: February 18, 2021
    Applicant: ZEON CORPORATION
    Inventors: Hiroyuki TAGUCHI, Keiichiro TANAKA, Yasuhiro WAKIZAKA
  • Publication number: 20210036375
    Abstract: Provided is a method that enables efficient production of a laminate for a secondary battery including an electrode and a separator that are affixed to each other while also ensuring adhesive strength between the electrode and the separator. The method of producing a laminate for a secondary battery includes: a step (A) of forming an adhesive material on an affixing surface of at least one of an electrode and a separator; a step (B) of, after step (A), conveying the electrode and the separator to an affixing start position without bringing another member into contact with the affixing surface on which the adhesive material has been formed; and a step (C) of, after step (B), affixing the electrode and the separator to each other via the affixing surface. The formed amount of the adhesive material in step (A) is not less than 0.1 g/m2 and not more than 100 g/m2.
    Type: Application
    Filed: February 1, 2019
    Publication date: February 4, 2021
    Applicant: ZEON CORPORATION
    Inventors: Masanobu SATO, Masuhiro OONISHI, Hiroshi KOGA, Keiichiro TANAKA
  • Publication number: 20210028458
    Abstract: Provided is a composition for an electrochemical device functional layer capable of providing an electrochemical device having low volume expansion. The composition for an electrochemical device functional layer contains a solvent and a polymer including an oxide structure-containing monomer unit. The oxide structure-containing monomer unit has a structure indicated by the following formula (I) (in formula (I), R1 represents an optionally substituted alkylene group and n is a positive integer), and the polymer has a number-average molecular weight of not less than 5,000 and not more than 15,000.
    Type: Application
    Filed: August 24, 2018
    Publication date: January 28, 2021
    Applicant: ZEON CORPORATION
    Inventors: Hiroyuki TAGUCHI, Keiichiro TANAKA
  • Patent number: 10841987
    Abstract: A display device is configured to show an image inside a vehicle, and mounted inside the vehicle as an internal component. The display device has a light source configured to emit light, and a light guide element configured to guide incident light from the light source. The light guide element includes an emission surface configured to output incident light, and a plurality of light focusing portions configured to change the path of the incident light toward the emission surface, causing the light output to converge toward a convergence point or convergence line outside the light guide element or to radiate from a convergence point or convergence line outside the light guide element and thereby form an image outside the light guide element.
    Type: Grant
    Filed: January 19, 2018
    Date of Patent: November 17, 2020
    Assignee: Omron Corporation
    Inventors: Yoshimasa Osumi, Yuji Hirose, Keiichiro Tanaka, Toshinori Yamasue
  • Publication number: 20200335827
    Abstract: Provided is a composition for a non-aqueous secondary battery functional layer with which it is possible to form a functional layer that can cause a battery component including the functional layer to display a balance of both high blocking resistance and high process adhesiveness. The composition for a non-aqueous secondary battery functional layer contains a particulate polymer having a core-shell structure including a core portion and a shell portion at least partially covering an outer surface of the core portion. The core portion is formed by a polymer A and the shell portion is formed by a polymer B including not less than 1 mass % and not more than 20 mass % of a cyano group-containing monomer unit.
    Type: Application
    Filed: December 18, 2018
    Publication date: October 22, 2020
    Applicant: ZEON CORPORATION
    Inventors: Takumi SUGIMOTO, Keiichiro TANAKA
  • Patent number: 10801691
    Abstract: A vehicle display device is configured for installation to a vehicle and includes a mirror element configured to reflect external light entering from a front surface toward the front surface, and a light emitting device. The light emitting device includes a light source configured to emit light, and a light guide element configured to guide incident light from the light source. The light guide element includes an emission surface configured to output incident light, and an optical-path changing portion configured to change the optical path of incident light toward the emission surface. The mirror element and the light guide element are stacked at an outer surface of the mirror element to allow the optical-path changing portion to change the optical path.
    Type: Grant
    Filed: January 19, 2018
    Date of Patent: October 13, 2020
    Assignee: Omron Corporation
    Inventors: Yoshimasa Osumi, Yuji Hirose, Keiichiro Tanaka, Toshinori Yamasue
  • Patent number: 10750275
    Abstract: A speaker device according to an embodiment includes a panel, a plurality of vibration elements, and a driving unit. The plurality of vibration elements vibrate the panel. The driving unit applies, to a first vibration element, a first driving signal that includes a modulated wave provided in such a manner that a carrier wave in an ultrasonic wave band is modulated by a sound signal in an audible wave band and applies, to a second vibration element, a second driving signal that includes the carrier wave and is different from the first driving signal, so that a vibrational region is formed on the panel.
    Type: Grant
    Filed: September 17, 2018
    Date of Patent: August 18, 2020
    Assignee: DENSO TEN Limited
    Inventor: Keiichiro Tanaka
  • Publication number: 20200245067
    Abstract: A speaker apparatus includes a pair of speakers and a connecting member. The pair of speakers is arranged in an interior of a structure protruding into an interior space of a vehicle. The pair of speakers has respective diaphragms facing the interior space of the vehicle and that are directed in opposite directions from each other. The pair of speakers has back surfaces that face each other. The connecting member inter-connects respective drivers of the pair of speakers and is connected to back surface sides of the drivers.
    Type: Application
    Filed: January 23, 2020
    Publication date: July 30, 2020
    Applicant: DENSO TEN Limited
    Inventors: Takashi MORIKI, Tomonori YAMAMOTO, Keiichiro TANAKA, Kiyosei SHIBATA, Kunihiko IRIE, Junji TABAYASHI, Shinichiro ICHIKI
  • Patent number: 10727179
    Abstract: In order to easily sort failures due to short circuit between wires in an inductor, a semiconductor device includes a plurality of inductors (first inductor, second inductor) formed in a plurality of wiring layers. In each of the wiring layers, the metal layer of the first inductor and the metal layer of the second inductor respectively extend around the peripheral region from the inner periphery to the outer periphery in the same direction. The metal layer of the first inductor and the metal layer of the second inductor are arranged so as to be adjacent to each other.
    Type: Grant
    Filed: May 21, 2018
    Date of Patent: July 28, 2020
    Assignee: RENESAS ELECTRONICS CORPORATION
    Inventor: Keiichiro Tanaka
  • Publication number: 20200235373
    Abstract: A composition for an electrochemical device functional layer contains a polymer A and a solvent. The polymer A contained in the composition for an electrochemical device functional layer includes an alkylene oxide structure-containing monomer unit in a proportion of not less than 5 mol % and not more than 95 mol %.
    Type: Application
    Filed: August 29, 2018
    Publication date: July 23, 2020
    Applicant: ZEON CORPORATION
    Inventors: Keiichiro TANAKA, Hiroyuki TAGUCHI
  • Publication number: 20200227712
    Abstract: A composition for an electrochemical device functional layer contains a polymer A and a solvent. The polymer A contained in the composition for an electrochemical device functional layer includes an alkylene oxide structure-containing monomer unit and a (meth)acrylic acid ester monomer unit.
    Type: Application
    Filed: August 29, 2018
    Publication date: July 16, 2020
    Applicant: ZEON CORPORATION
    Inventors: Keiichiro TANAKA, Hiroyuki TAGUCHI
  • Patent number: 10634861
    Abstract: A display device configured to show an image inside an instrument panel for a vehicle includes: a light source configured to emit light; and a light guide element configured to guide incident light from the light source. The light guide element includes: an emission surface configured to output incident light; and a plurality of light focusing portions configured to change the path of the incident light toward the emission surface, causing the light output to converge toward a convergence point or convergence line outside the light guide element or to radiate from a convergence point or convergence line outside the light guide element and thereby form an image outside the light guide element. The light guide element is configured to form light to thereby present an image.
    Type: Grant
    Filed: December 12, 2017
    Date of Patent: April 28, 2020
    Assignee: Omron Corporation
    Inventors: Yoshimasa Osumi, Yuji Hirose, Keiichiro Tanaka, Toshinori Yamasue
  • Patent number: 10629530
    Abstract: According to one embodiment, a semiconductor device 1 includes an Si substrate 11, an inductor 12 formed in wiring layers disposed above the Si substrate 11, and a shield 13 formed so as to surround the inductor 12, in which the shield 13 includes metals 105 to 109 formed in, among the wiring layers, a layer in which the inductor 12 is formed and a layer above that layer, and a silicide 104 formed between the Si substrate 11 and the wiring layers above the Si substrate 11.
    Type: Grant
    Filed: April 5, 2017
    Date of Patent: April 21, 2020
    Assignee: RENESAS ELECTRONICS CORPORATION
    Inventors: Shinichi Uchida, Keiichiro Tanaka, Takafumi Kuramoto
  • Patent number: 10566628
    Abstract: Provided is a slurry for lithium ion secondary battery positive electrode-use that includes a positive electrode active material, a binding material, a conductive material, and an organic solvent. The positive electrode active material is a lithium cobalt-based composite oxide particle having an oxide of at least one metal selected from the group consisting of Mg, Ca, Al, B, Ti, and Zr on its surface. The binding material includes a polymer (P1) and a fluorine-containing polymer (P2). The polymer (P1) includes a nitrile group-containing monomer unit, a (meth)acrylic acid ester monomer unit, and an alkylene structural unit having a carbon number of at least 4, and does not substantially include a hydrophilic group-containing monomer unit.
    Type: Grant
    Filed: April 2, 2015
    Date of Patent: February 18, 2020
    Assignee: ZEON CORPORATION
    Inventor: Keiichiro Tanaka
  • Patent number: 10524043
    Abstract: A speaker apparatus according to an embodiment includes a panel, one or more vibration elements, a drive unit, and a reflection part. The one or more vibration elements vibrate the panel. The drive unit applies a driving signal to the one or more vibration elements to form a striped vibration region on the panel. The driving signal is obtained by modulating a carrier wave of an ultrasonic band by a sound signal of an audible frequency band. The reflection part reflects at least one of first and second ultrasonic waves, which are generated from the vibration region and advancing in respective different directions, so as to bring an advancing direction of the first ultrasonic wave and that of the second ultrasonic wave close to each other.
    Type: Grant
    Filed: January 11, 2018
    Date of Patent: December 31, 2019
    Assignee: DENSO TEN Limited
    Inventors: Masahiko Kubo, Keiichiro Tanaka
  • Publication number: 20190319236
    Abstract: Provided is a composition for a non-aqueous secondary battery functional layer capable of forming a functional layer that can provide a battery member such as an electrode or a separator with both excellent blocking resistance and excellent process adhesiveness. The composition for a functional layer contains a particulate polymer A. The particulate polymer A has a core-shell structure including a core portion and a shell portion that at least partially covers an outer surface of the core portion. The core portion is formed from a polymer having a glass-transition temperature of higher than 25° C. and lower than 80° C. The shell portion is formed from a polymer having a glass-transition temperature of ?80° C. to 25° C. The proportion constituted by the core portion among the total of the core portion and the shell portion is 30 mass % to 80 mass %.
    Type: Application
    Filed: November 14, 2017
    Publication date: October 17, 2019
    Applicant: ZEON CORPORATION
    Inventor: Keiichiro TANAKA