Patents by Inventor Kenichi Hattori

Kenichi Hattori 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: 20080088196
    Abstract: An electric rotating machine comprising a stator core having a plurality of slots that are equally spaced on the inner surface of the stator core in the peripheral direction, a rotor that rotates inside the stator core, and an armature winding that is applied to each of the slots, wherein the armature winding is made up with a plurality of serially-connected single-turn coils that are respectively applied to the slots and the serially-connected coils of respective phases are connected in parallel.
    Type: Application
    Filed: August 23, 2007
    Publication date: April 17, 2008
    Inventors: Kazuhiko Takahashi, Mitsuru Saeki, Kenichi Hattori, Masami Sukeda, Akihito Nakahara
  • Publication number: 20080066845
    Abstract: This invention relates to a pneumatic tire comprising a pair of bead portions (1), a pair of sidewall portions (2), a tread portion (3) continuing to both the sidewall portions (2), a carcass (4) composed of one or more carcass plies toroidally extending between the pair of bead portions and reinforcing these potions and a pair of side reinforcing rubber layers (5) each disposed on an inside of the carcass (4) at the sidewall portion (2), wherein the carcass ply is formed by covering reinforcing cords with a coating rubber and a rubber composition having a loss tangent (tan ?) at 25° C. and 1% strain of not higher than 0.12 is applied to the coating rubber, and/or a rubber composition having a loss tangent (tan ?) at 25° C and 1% strain of not higher than 0.15 is applied to the sidewall portion (2).
    Type: Application
    Filed: February 15, 2006
    Publication date: March 20, 2008
    Applicant: BRIDGESTONE CORPORATION
    Inventors: Humihiro Shiraishi, Kenichi Hattori, Tomohiro Kusano
  • Patent number: 7294943
    Abstract: An electric rotating machine capable of lowering the temperature of a rotor disposed, wherein at least one of closed ventilation loops for cooling is formed, one of the loops constituting a ventilation passage communicating with an exhaust side through a heat source of the end of the generator to a cooler, thereby to supply cooling wind to the rotor after it passes through the cooler.
    Type: Grant
    Filed: November 3, 2005
    Date of Patent: November 13, 2007
    Assignee: Hitachi, Ltd.
    Inventors: Kenichi Hattori, Kazumasa Ide, Akiyoshi Komura, Takashi Watanabe, Ryoichi Shiobara, Yasuomi Yagi, Kengo Iwashige, Keiji Kobashi
  • Publication number: 20070222333
    Abstract: A rotor for a rotary electrical device to be arranged to face to a stator, comprises a rotor iron core extending axially and including a plurality of slots arranged with a predetermined circumferential interval, a rotor coil contained by the slots, a coil support member of electrically insulating property arranged between parts of the rotor coil at an axial end of the rotor coil, and a retaining ring covering the coil support member and the axial end of the rotor coil, the coil support member has two fitted portions and a connecting portion connecting the fitted portions to each other to form H-shape of cross section and to form a space between the rotor coil and each of opposite sides of the connecting portion, and the coil support member further has a communicating path communicating to the spaces.
    Type: Application
    Filed: January 23, 2007
    Publication date: September 27, 2007
    Inventors: Kenichi Hattori, Tadaaki Kakimoto, Akitomi Semba, Mitsuru Saeki, Takashi Shibata, Manabu Suzuki, Naomi Okamoto
  • Publication number: 20070221310
    Abstract: A pneumatic tire which offers extremely excellent durability through inclusion of a belt portion composed of a rubber composition having excellent reinforcing properties, high hardness, low heat build-up properties, excellent deterioration resistance, and excellent adhesiveness to steel cords, wherein the rubber composition contains a natural rubber prepared by graft polymerizing a natural rubber latex with a polar group-containing monomer, and solidifying and drying the resulting product. A pneumatic tire which offers excellent rolling resistance through inclusion of a ply coating rubber, squeegee rubber, or tie rubber composed of a rubber composition containing a modified natural rubber prepared by graft polymerizing a natural rubber latex with a polar group-containing monomer, and solidifying and drying the resulting product.
    Type: Application
    Filed: May 17, 2007
    Publication date: September 27, 2007
    Applicant: BRIDGESTONE CORPORATION
    Inventors: Kenichi Hattori, Kentarou Mitsui, Tomohiro Kusano
  • Publication number: 20070152520
    Abstract: In a rotating machinery having armature windings constituted by a lot of strands, when the armature winding is constituted by four layers, a step number of the strands becomes half with respect to two layers of armature windings so as to facilitate manufacturing an armature winding of 540 degree transposition in which a transposition pitch is elongated and a circulating current loss is reduced, but since an output voltage becomes twice, for securing a voltage limit value caused by an isolation resisting force, one layer of armature windings are constituted by sub windings separated into at least two layers in a vertical direction, a transposition is independently applied to each of the sub windings, the sub windings are connected to the armature windings of the other slot while keeping an isolation of the sub winding at an armature winding end region by at least two connecting methods, and the sub winding constructs a parallel circuit by the armature windings of a plurality of slots.
    Type: Application
    Filed: January 4, 2007
    Publication date: July 5, 2007
    Inventors: Kazuhiko Takahashi, Kenichi Hattori, Masami Sukeda, Atsushi Ishihara
  • Publication number: 20070085428
    Abstract: In a rotor of a rotary-electric machine, in order to improve a cooling performance of a rotor winding, in a rotor winding on an end portion of the rotor in an axial direction, the rotor winding being held by a retaining ring of the rotor winding formed by laminating a plurality of conductors in slots of a rotor iron core extending in an axial direction and having a plurality of slots formed at predetermined intervals in a peripheral direction, ventilation channels through which cooling air flows are formed in the surfaces of the conductors along a longitudinal direction.
    Type: Application
    Filed: October 17, 2006
    Publication date: April 19, 2007
    Inventors: Kenichi Hattori, Mitsuru Saeki, Akitomi Semba, Tadaaki Kakimoto, Takashi Watanabe, Manabu Suzuki, Takashi Shibata, Seijiro Muramatsu
  • Publication number: 20070065493
    Abstract: An external patch capable of stable prolonged release and transdermal absorption of active ingredient hormones (estrogens and/or progestogens) contained in a pressure sensitive adhesive layer, which external patch ensures low irritation on the skin. In particular, an external patch comprising a support and, superimposed thereon, a pressure sensitive adhesive layer, characterized in that the pressure sensitive adhesive layer comprises, as indispensable components, 5 to 50 wt. % of styrene/isoprene/styrene block copolymer, 20 to 70 wt. % of tackifier resin, 10 to 60 wt. % of softener and 1 to 20 wt. % of polyvinylpyrrolidone and contains, as an active ingredient, estrogen and/or progestogen.
    Type: Application
    Filed: May 13, 2004
    Publication date: March 22, 2007
    Applicants: TEIKOKU SEIYAKU CO. LTD., FUSO PHARMACEUTICAL INDUSTRIES, LTD.
    Inventors: Kunihiko Matsushita, Kenichi Hattori, Masahiro Yamaji
  • Patent number: 7071586
    Abstract: An electric rotating machine capable of lowering the temperature of a rotor disposed, wherein at least one of closed ventilation loops for cooling is formed, one of the loops constituting a ventilation passage communicating with an exhaust side through a heat source of the end of the generator to a cooler, thereby to supply cooling wind to the rotor after it passes through the cooler.
    Type: Grant
    Filed: March 4, 2002
    Date of Patent: July 4, 2006
    Assignee: Hitachi, Ltd.
    Inventors: Kenichi Hattori, Kazumasa Ide, Akiyoshi Komura, Takashi Watanabe, Ryoichi Shiobara, Yasuomi Yagi, Kengo Iwashige, Keiji Kobashi
  • Publication number: 20060076212
    Abstract: A currency sorter includes: take-in means(101) for taking currency notes in the sorter one by one; discriminating means (105) for discriminating the currency notes according to new and old versions, fit and unfit conditions, denominations and other categories; a plurality of stacking units (111 to 115) for stacking the currency notes of a predetermined category/categories designated to be bundled according to the discrimination results obtained by said discriminating means; designating means (11) for designating the category/categories of the notes to be bundled and a mode of sorting the notes to leave unbundled;, and control means (400) for controlling allocation of currency notes discriminated by said discrimination means to said stacking units according to a designation by said designating means.
    Type: Application
    Filed: October 4, 2005
    Publication date: April 13, 2006
    Inventors: Akito Kuroda, Kenichi Hattori, Kenji Hirosawa
  • Publication number: 20060055255
    Abstract: An electric rotating machine capable of lowering the temperature of a rotor disposed, wherein at least one of closed ventilation loops for cooling is formed, one of the loops constituting a ventilation passage communicating with an exhaust side through a heat source of the end of the generator to a cooler, thereby to supply cooling wind to the rotor after it passes through the cooler.
    Type: Application
    Filed: November 3, 2005
    Publication date: March 16, 2006
    Applicant: Hitachi, Ltd.
    Inventors: Kenichi Hattori, Kazumasa Ide, Akiyoshi Komura, Takashi Watanabe, Ryoichi Shiobara, Yasuomi Yagi, Kengo Iwashige, Keiji Kobashi
  • Publication number: 20060043820
    Abstract: An electrical rotating machine including a stator core is provided. The stator core is formed of substantially sector-shaped sheet segments die-cut from electrical steel sheets and arranged in a circumferential direction of the stator core to form circular sheets which are stacked in an axial direction of the stator core. In the electrical rotating machine, end regions of the stator core are formed of stacked sheet segments die-cut from non-grain oriented steel sheets, and the other region of the stator core is formed of stacked sheet segments die-cut from grain oriented steel sheets.
    Type: Application
    Filed: July 29, 2005
    Publication date: March 2, 2006
    Inventors: Akihito Nakahara, Kazuhiko Takahashi, Kazumasa Ide, Junya Kaneda, Kenichi Hattori, Takashi Watanabe
  • Publication number: 20060028074
    Abstract: A rotor for a rotating electric machine comprises a rotor core, and a plurality of rotor conductors wound on the rotor core. At least one of the rotor conductors is provided with a cooling groove, and edges of at least one of the cooling grooves are rounded by a radius process to reduce peak stresses that may be induced around the edges of the cooling groove.
    Type: Application
    Filed: February 26, 2003
    Publication date: February 9, 2006
    Inventors: Akiyoshi Komura, Kazumasa Ide, Takashi Watanabe, Kenichi Hattori, Tomoya Tsunoda, Shinya Odajima, Hiroshi Aoyama
  • Publication number: 20060028086
    Abstract: An armature winding includes a plurality of strand groups each having strands transposed and bound in at least two rows and multiple tiers, and a main insulator for covering the strand group. A flow resistance of a current passing though the strands on an upper and a lower side in the cross-section of the strand group is set larger than a flow resistance of a current which passes through the strands in a central portion, or a flow resistance of a current passing through at least one of the plurality of strand groups is set larger than a flow resistance of a current passing through the remaining strand groups.
    Type: Application
    Filed: October 4, 2005
    Publication date: February 9, 2006
    Applicant: Hitachi, Ltd.
    Inventors: Kenichi Hattori, Kazuhiko Takahashi, Kazumasa Ide, Takashi Shibata, Takashi Watanabe
  • Publication number: 20050220852
    Abstract: A patch containing turobuterol in the low concentration and having the stable release-controllability, prepared by laminating an adhesive layer consisting of a rubber, an adhesive resin and a plasticizer on a backing, wherein 1 to 4 w/w % of turobuterol in the lower concentration as an active ingredient and 0.1 to 3 w/w % of a higher fatty acid as a drug-releasing controlling agent are contained in the adhesive layer.
    Type: Application
    Filed: June 16, 2004
    Publication date: October 6, 2005
    Applicant: TEIKOKU SEIYAKU CO., LTD
    Inventors: Sadanobu Shirai, Masahiro Yamaji, Osamu Yoshimoto, Mamoru Naruse, Kenichi Hattori, Takako Sueda
  • Patent number: 6936939
    Abstract: A rotating electric machine having a plurality of ventilating passages formed between a stator frame and a stator iron core and coolers which cool a coolant being provided in the plurality of the ventilating passages. A ventilating circuit in which at least a portion of the coolant which is cooled by one of the coolers is further cooled by another of the coolers, and is allowed to flow to a central portion in an axial direction of the stator iron core in a direction from an outer peripheral side to an inner peripheral side of the stator iron core at least via one ventilating passage of the plurality of ventilating passage which communicates with the central portion in the axial direction of the stator iron core.
    Type: Grant
    Filed: April 9, 2004
    Date of Patent: August 30, 2005
    Assignee: Hitachi, Ltd.
    Inventors: Kazumasa Ide, Kenichi Hattori, Akiyoshi Komura, Yoko Yamashina, Tadashi Sonobe, Akitomi Semba, Junji Sato, Ryoichi Shiobara, Mitsunori Yamashina
  • Publication number: 20050116573
    Abstract: An armature winding includes a plurality of strand groups each having strands transposed and bound in at least two rows and multiple tiers, and a main insulator for covering the strand group. A flow resistance of a current passing though the strands on an upper and a lower side in the cross-section of the strand group is set larger than a flow resistance of a current which passes through the strands in a central portion, or a flow resistance of a current passing through at least one of the plurality of strand groups is set larger than a flow resistance of a current passing through the remaining strand groups.
    Type: Application
    Filed: November 24, 2004
    Publication date: June 2, 2005
    Inventors: Kenichi Hattori, Kazuhiko Takahashi, Kazumasa Ide, Takashi Shibata, Takashi Watanabe
  • Publication number: 20050077788
    Abstract: In a collector device for supplying an electric power to a rotor of a motor with a cooling by a cooling medium, an annular collector electrode is fixed to the rotor to supply the electric power to the rotor through a cylindrical outer surface of the collector electrode, an electrically conductive brush is contactable with the cylindrical outer surface of the collector electrode to supply the electric power to the collector electrode, and a cooling medium outlet opens to at least partially face to the collector electrode in such a manner that the cooling medium is supplied from the outlet to the collector electrode in each of circumferential directions of the rotor opposed to each other circumferentially to be divided into two flow parts in respective circumferential directions of the rotor opposed to each other circumferentially.
    Type: Application
    Filed: May 24, 2004
    Publication date: April 14, 2005
    Inventors: Shigekazu Kieda, Itsurou Sawada, Kenichi Hattori, Shigeki Nakae
  • Publication number: 20040189110
    Abstract: A rotating electric machine having a plurality of ventilating passages formed between a stator frame and a stator iron core and coolers which cool a coolant being provided in the plurality of the ventilating passages. A ventilating circuit in which at least a portion of the coolant which is cooled by one of the coolers is further cooled by another of the coolers, and is allowed to flow to a central portion in an axial direction of the stator iron core in a direction from an outer peripheral side to an inner peripheral side of the stator iron core at least via one ventilating passage of the plurality of ventilating passage which communicates with the central portion in the axial direction of the stator iron core.
    Type: Application
    Filed: April 9, 2004
    Publication date: September 30, 2004
    Inventors: Kazumasa Ide, Kenichi Hattori, Akiyoshi Komura, Mitsunori Yamashina, Tadashi Sonobe, Akitomi Semba, Junji Sato, Ryoichi Shiobara, Yoko Yamashina
  • Patent number: 6774515
    Abstract: A turbine electric power generator is provided with winding slots and sub-slots of a rotor; rotor windings having conductors and insulation materials laminated alternately thereon; wedges; and radial ventilation flow passages communicating the sub-slots with through holes of the wedges. In this turbine electric power generator, a projection is provided on an inner face of the radial ventilation flow passages, and the projection height is changed at a rotational axial position. In this manner, there can be provided a gas cooling type rotary electric power generator for turbine with its high cooling performance and high reliability at a low cost.
    Type: Grant
    Filed: August 13, 2002
    Date of Patent: August 10, 2004
    Assignee: Hitachi, Ltd.
    Inventors: Hideaki Mori, Shigekazu Kieda, Masayuki Kaiho, Ryoichi Shiobara, Kenichi Hattori