Patents by Inventor Tatsuya Hashimoto

Tatsuya Hashimoto 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: 20160294011
    Abstract: Provided is a method of manufacturing a lithium secondary battery. This method includes: a step of preparing a positive electrode including a positive electrode mixture layer, a negative electrode including a negative electrode mixture layer, and a nonaqueous electrolyte; and a step of accommodating the positive electrode, the negative electrode, and the nonaqueous electrolyte in a battery case. The nonaqueous electrolyte contains a compound (I) represented by the following formula (I) LiO3S—R—SO3Li (wherein R represents a linear hydrocarbon group having 1 to 10 carbon atoms). When a BET specific surface area of the negative electrode mixture layer is represented by X (m2/g) and when an addition amount of the compound (I) with respect to the total amount of the nonaqueous electrolyte is represented by Y (mass %), the following relationships 3?X?4.3, 0.2?Y?0.4, and (Y/X)?0.093 are satisfied.
    Type: Application
    Filed: March 30, 2016
    Publication date: October 6, 2016
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Hiroshi YAMASAKI, Tatsuya HASHIMOTO
  • Publication number: 20160293940
    Abstract: According to the invention, a non-aqueous electrolyte secondary battery including a positive electrode, a negative electrode, and a non-aqueous electrolyte is provided. The negative electrode contains a negative electrode active material, a conductive material, and a binder. When an average particle size of the conductive material is referred to as De, and an average particle size of the binder is referred to as Db, Db?De is satisfied. In other words, the average particle size Db of the binder is equal to or smaller than the average particle size De of the conductive material.
    Type: Application
    Filed: March 24, 2016
    Publication date: October 6, 2016
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Koji KINOSHITA, Tatsuya HASHIMOTO
  • Patent number: 9452091
    Abstract: The absorbent article includes a chassis, a crotch region, an absorbent body, and an elastic member arranged along a side edge in width direction of the crotch region. The oblong absorbent body arranged in the crotch region includes a first narrow width section, a second narrow width section, a center low rigidity section formed along a center line that halves the absorbent article in the width direction and a pair of lateral low rigidity sections provided at both sides of the center low rigidity section in the width direction with a substantially equal interval. Skin contacting face-side sheets and non-skin contacting face-side sheets 6 and 10 are arranged in the crotch region. The initial tensile strength of the skin contacting face-side sheets is lower than that of the non-skin contacting face-side sheets or that of the chassis 2.
    Type: Grant
    Filed: August 4, 2010
    Date of Patent: September 27, 2016
    Assignee: Uni-Charm Corporation
    Inventors: Hirotomo Mukai, Akiyoshi Kinoshita, Tomoko Tsuji, Norihiko Ishikawa, Tatsuya Hashimoto
  • Patent number: 9445950
    Abstract: The absorbent article includes a chassis, a crotch region, an absorbent body, and an elastic member arranged along a side edge in width direction of the crotch region. The oblong absorbent body arranged in the crotch region includes a first narrow width section, a second narrow width section, a center low rigidity section formed along a center line that halves the absorbent article in the width direction and a pair of lateral low rigidity sections provided at both sides of the center low rigidity section in the width direction with a substantially equal interval. Skin contacting face-side sheets and non-skin contacting face-side sheets 6 and 10 are arranged in the crotch region. The initial tensile strength of the skin contacting face-side sheets is lower than that of the non-skin contacting face-side sheets or that of the chassis 2.
    Type: Grant
    Filed: August 4, 2010
    Date of Patent: September 20, 2016
    Assignee: Uni-Charm Corporation
    Inventors: Hirotomo Mukai, Akiyoshi Kinoshita, Tomoko Tsuji, Norihiko Ishikawa, Tatsuya Hashimoto
  • Publication number: 20160260974
    Abstract: A lithium ion secondary battery includes: an electrode mixture layer that contains an electrode active material and an organic ferroelectric having a dielectric constant of 25 or higher; and an electrolytic solution that contains lithium bis(fluorosulfonyl)imide and a nonaqueous solvent. A content of the organic ferroelectric is 0.5 parts by mass to 10 parts by mass with respect to 100 parts by mass of the electrode active material. A proportion of a high-polarity solvent having a dielectric constant of 10 or higher in the nonaqueous solvent is 10 vol % or lower.
    Type: Application
    Filed: March 4, 2016
    Publication date: September 8, 2016
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Hiroya UMEYAMA, Naoto ONODERA, Naoyuki WADA, Yusuke FUKUMOTO, Tatsuya HASHIMOTO, Yuji YOKOYAMA, Hideki SANO
  • Patent number: 9437904
    Abstract: A lithium ion secondary battery has a battery can, an electrode assembly in the battery can formed by rolling up a positive electrode, a separator, and a negative electrode, an organic electrolyte solution in the battery can, a positive electrode lead in the battery can connected to the positive electrode, a negative electrode lead in the battery can connected to the negative electrode, an overcharge preventer, a cap body sealing the battery can, a positive electrode terminal fixed to the cap body and connected to the positive electrode lead, and a negative electrode terminal fixed to the cap body and connected to the negative electrode lead.
    Type: Grant
    Filed: February 21, 2014
    Date of Patent: September 6, 2016
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Kenichi Takahashi, Hirokiyo Mamyoda, Tatsuya Hashimoto
  • Publication number: 20160248085
    Abstract: A non-aqueous electrolyte secondary battery includes a positive electrode composite material layer, the positive electrode composite material layer including: a composite particle including a positive electrode active material, a first conductive material and a binder; and a second conductive material arranged on a surface of the composite particle and having a DBP oil absorption number smaller than that of the first conductive material.
    Type: Application
    Filed: December 28, 2015
    Publication date: August 25, 2016
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Hiroya UMEYAMA, Akihiro TANIGUCHI, Shuji TSUTSUMI, Tatsuya HASHIMOTO
  • Publication number: 20160240847
    Abstract: A method of manufacturing a negative electrode for a nonaqueous electrolyte secondary battery, the method includes mixing negative electrode active material particles and ferroelectric particles with each other to form first composite particles in which the ferroelectric particles are attached to the negative electrode active material particles; mixing the first composite particles and a binder with each other to form granulated particles; applying pressure to an aggregate of the granulated particles to form a sheet-shaped negative electrode mixture layer; and arranging the negative electrode mixture layer on a main surface of a negative electrode current collector foil.
    Type: Application
    Filed: February 10, 2016
    Publication date: August 18, 2016
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Koji KINOSHITA, Hiroshi NAGASE, Tatsuya HASHIMOTO
  • Publication number: 20160240839
    Abstract: A manufacturing method for a non-aqueous electrolyte secondary battery includes: forming a powder; forming a sheet-like green compact; and forming a heat-resistant layer. The powder contains composite particles and a solvent. The composite particles contain inorganic filler particles and a binder. The green compact is formed by pressing the powder in a state in which the solvent remains. The heat-resistant layer is formed by disposing the green compact on a surface of at least any of a positive electrode mixture layer and a negative electrode mixture layer after the green compact is formed.
    Type: Application
    Filed: February 9, 2016
    Publication date: August 18, 2016
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Hiroya UMEYAMA, Yusuke FUKUMOTO, Naoyuki WADA, Yuji YOKOYAMA, Tatsuya HASHIMOTO, Naoto ONODERA
  • Publication number: 20160211554
    Abstract: A method of manufacturing a nonaqueous electrolyte secondary battery includes: a step of forming a first electrode mixture layer containing an electrode active material and a first binder; a step of forming granulated particles containing the electrode active material and a second binder; a step of forming a second electrode mixture layer, which is formed of the granulated particles, on the first electrode mixture layer; a step of forming a heat resistance layer, which contains an inorganic filler and a third binder, on a surface of a separator; a step of preparing an electrode body by laminating the electrode and the separator such that the second electrode mixture layer and the heat resistance layer are in contact with each other; and a step of heating the electrode body.
    Type: Application
    Filed: January 14, 2016
    Publication date: July 21, 2016
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Hiroya Umeyama, Harunari Shimamura, Tatsuya Hashimoto
  • Publication number: 20160204438
    Abstract: An electrode for a nonaqueous electrolyte secondary battery includes an electrode mixture layer. The electrode mixture layer contains a hollow active material particle and a needle-shaped filler having a through-hole that extends through the needle-shaped filler in a longitudinal direction. The needle-shaped filler is arranged on surfaces of the hollow active material particle.
    Type: Application
    Filed: January 7, 2016
    Publication date: July 14, 2016
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Hiroya UMEYAMA, Tatsuya HASHIMOTO, Naoyuki WADA, Keiichi TAKAHASHI, Koichi TORIYAMA
  • Patent number: 9381121
    Abstract: A disposable wearing article includes, in an inner end portion of a front waist region, a pair of first side elastic zones spaced apart from each other in a transverse direction and a first middle inelastic zone lying between the first side elastic zones. The article further includes, in an inner end portion of a rear waist region, a pair of second side elastic zones spaced apart from each other in the transverse direction and a second middle inelastic zone lying between the second side elastic zones. A crotch panel includes a pair of leg elastics intersecting with the first and second side elastic zones. A dimension in the transverse direction of the second middle inelastic zone is larger than that of the first middle inelastic zone. A dimension in the transverse direction of the respective first intersection zones is larger than that of the respective second intersection zones.
    Type: Grant
    Filed: March 27, 2013
    Date of Patent: July 5, 2016
    Assignee: UNICHARM CORPORATION
    Inventors: Tatsuya Hashimoto, Tetsuo Okubo, Toshifumi Otsubo, Hiroyuki Tanji
  • Publication number: 20160190645
    Abstract: Provided is a method for producing a non-aqueous electrolyte secondary battery with which resistance increase is inhibited during high-temperature storage while good battery properties are retained. The production method of this invention comprises a step of obtaining a positive electrode, a negative electrode and a non-aqueous electrolyte; and a step of placing the positive electrode, the negative electrode and the non-aqueous electrolyte in a battery case. Herein, the non-aqueous electrolyte comprises a fluorine atom-containing supporting salt and a benzothiophene oxide.
    Type: Application
    Filed: December 21, 2015
    Publication date: June 30, 2016
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Hiroshi YAMASAKI, Tomoko NAGAO, Tomohiro NAKANO, Tatsuya HASHIMOTO
  • Patent number: 9375363
    Abstract: A disposable wearing article includes an annular elastic waist panel having a front waist panel and a rear waist panel joined to each other and a crotch panel provided with an absorbent structure and connected to the elastic waist panels. Respective inner end edges of the front and rear waist panels cooperate with lateral edges of the crotch panel extending in a longitudinal direction to form a pair of leg-openings' peripheries. The crotch panel includes a pair of leg sheets connected to both lateral edges of the absorbent structure. The respective leg sheets include inner regions adjoining to the absorbent structure and outer regions adjoining the inner regions so that the inner regions rise above the absorbent structure along both lateral edges of the absorbent structure to define the leg-openings' peripheries and the outer regions are bent outwardly in the transverse direction so as to define the leg-openings' peripheries.
    Type: Grant
    Filed: March 27, 2013
    Date of Patent: June 28, 2016
    Assignee: UNICHARM CORPORATION
    Inventors: Tatsuya Hashimoto, Toshifumi Otsubo, Tetsuo Okubo
  • Publication number: 20160181619
    Abstract: A secondary battery includes a wound electrode assembly in which a positive electrode sheet, a negative electrode sheet and a separator are stacked and wound. The positive electrode sheet is provided with a long positive electrode current collector and a positive electrode active material layer. The positive electrode active material layer is disposed on the positive electrode current collector. The negative electrode sheet is provided with a long negative electrode current collector and a negative electrode active material layer. The negative electrode active material layer is disposed on the negative electrode current collector. The separator is interposed between the positive electrode sheet and the negative electrode sheet. The negative electrode current collector has a first active material layer-free region at one edge of the negative electrode current collector in a winding direction of an axis of the wound electrode assembly.
    Type: Application
    Filed: July 30, 2014
    Publication date: June 23, 2016
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Tatsuya HASHIMOTO, Keisuke OHARA, Yuji YOKOYAMA, Yusuke FUKUMOTO
  • Publication number: 20160156016
    Abstract: A method of manufacturing a positive electrode includes: preparing a current collector foil having a first main surface and a second main surface; obtaining a granulated body in which a solvent remains by mixing a positive electrode active material, a conductive material, a binder, and the solvent with each other to obtain a mixture and granulating the mixture; obtaining a first positive electrode mixture layer by pressing the granulated body into a sheet shape; arranging the first positive electrode mixture layer on the first main surface; and heating the current collector foil in a state where the first positive electrode mixture layer is arranged on the first main surface, such that a temperature of the current collector foil becomes a softening point of the current collector foil or higher and that a temperature of the first positive electrode mixture layer is lower than a melting point of the binder.
    Type: Application
    Filed: November 19, 2015
    Publication date: June 2, 2016
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Hiroya UMEYAMA, Naoyuki WADA, Tatsuya HASHIMOTO, Naoto ONODERA
  • Publication number: 20160141597
    Abstract: A method of manufacturing a negative electrode for a nonaqueous electrolyte secondary battery includes: preparing a copper foil having a first main surface and a second main surface that are opposite sides of the copper foil; obtaining a granulated body by mixing a negative electrode active material, a thickener, a binder, and a solvent with each other to obtain a mixture and by granulating the mixture; obtaining a first negative electrode mixture layer by pressing the granulated body; arranging the first negative electrode mixture layer on the first main surface; and softening the copper foil by bringing the second main surface into contact with a heated roller in a state where the first negative electrode mixture layer is arranged on the first main surface. A temperature of the heated roller is a recrystallization temperature of the copper foil or higher.
    Type: Application
    Filed: November 17, 2015
    Publication date: May 19, 2016
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Hiroya UMEYAMA, Naoto ONODERA, Naoyuki WADA, Yusuke FUKUMOTO, Tatsuya HASHIMOTO, Yuji YOKOYAMA
  • Publication number: 20160141628
    Abstract: A nonaqueous electrolyte secondary battery includes: a negative electrode current collector foil; and a negative electrode mixture layer that is arranged on the negative electrode current collector foil. The negative electrode mixture layer contains a plurality of granulated particles. Each of the granulated particles contains a negative electrode active material and a coating film. The coating film is formed on a surface of the negative electrode active material. The coating film includes a first film and a second film. The first film is formed on the surface of the negative electrode active material. The second film is formed on the first film. The first film contains a carboxymethyl cellulose polymer. The second film contains a polyacrylic acid polymer.
    Type: Application
    Filed: November 13, 2015
    Publication date: May 19, 2016
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Hiroya UMEYAMA, Tatsuya HASHIMOTO, Naoyuki WADA, Yusuke FUKUMOTO, Naoto ONODERA, Yuji YOKOYAMA
  • Patent number: 9333123
    Abstract: A wearing article includes front and rear side edges respectively joined by seam arrays extending in a longitudinal direction Y, a waist-opening, and a pair of leg-openings. The wearing article further includes an inner sheet, an outer sheet and a liquid-absorbent core sandwiched between these inner and outer sheets. The inner and outer sheets are formed of heat-sealable fibrous nonwoven fabrics containing thermoplastic synthetic resins. Each of the seam arrays of the diaper includes a plurality of seam-welded regions and a seam-nonwelded region left behind in the seam array. In the seam array, the seam-welded regions arranged so as to be aligned in longitudinal and transverse directions, each substantially shaped in a square, partially lack at a position differentiated for every one of specified patterns.
    Type: Grant
    Filed: February 10, 2011
    Date of Patent: May 10, 2016
    Assignee: UNICHARM CORPORATION
    Inventors: Toshifumi Otsubo, Tatsuya Hashimoto, Mariko Yamashita, Taishi Nakamura
  • Patent number: 9306197
    Abstract: A rechargeable battery includes a case, a first electrode coupled to the case, a second electrode coupled to the case and the second electrode having a portion extending outside of the case, a short bar electrically coupled to the portion of the second electrode, and an extensible member extending from the case and at least a portion of the short bar being on the extensible member with a gap therebetween. The extensible member is configured to couple the short bar electrically to the first electrode in response to an overcharging condition of the rechargeable battery, thereby short-circuiting the first and second electrodes via the short bar.
    Type: Grant
    Filed: November 9, 2012
    Date of Patent: April 5, 2016
    Assignees: Samsung SDI Co., Ltd., Robert Bosch GmbH
    Inventors: Sang-Won Byun, Tatsuya Hashimoto, Sang-Eun Cheon, Yong-Sam Kim, Hyo-Seob Kim, Sung-Bae Kim, Soo-Seok Choi