Patents by Inventor Shigeki Sato

Shigeki Sato 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: 20140308572
    Abstract: The main object of the present invention is to provide a cathode active material capable of reducing the initial interface resistance against a solid electrolyte material. The present invention solves the above-mentioned problems by providing a cathode active material comprising a cathode active substance exhibiting strong basicity and a coat layer formed so as to cover the surface of the above-mentioned cathode active substance and provided with a polyanionic structural part exhibiting acidity.
    Type: Application
    Filed: December 9, 2011
    Publication date: October 16, 2014
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Yasushi Tsuchida, Hiroshi Nagase, Shigeki Sato, Masashi Kodama, Haruhisa Hirokawa
  • Publication number: 20140227598
    Abstract: A main object of the present invention is to provide an anode active material capable of increasing energy density at the same time increasing battery safety, and a metal ion battery prepared with the anode active material. The present invention is an anode active material including an element that belongs to alunite group capable to insert and remove an ion(s) of at least one metal element selected from the group consisting of alkali metal elements and alkaline-earth metal elements, and a metal ion battery having a cathode, an anode, and an electrolyte filled between the cathode and the anode, the electrolyte conducting a metal ion(s), wherein the anode active material is contained in the anode.
    Type: Application
    Filed: October 9, 2012
    Publication date: August 14, 2014
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Shigeki Sato, Masafumi Nose, Hideki Nakayama
  • Patent number: 8768161
    Abstract: The optical apparatus accessory includes multiple terminal faces arranged in a direction of a relative movement for attachment to an optical apparatus and allowed to make contact with multiple terminal pins provided in the optical apparatus, and electric insulation portions provided between each two adjacent terminal faces. The multiple terminal faces are arranged at a same height, each of the electric insulation portions includes two adjacent-to-terminal potions respectively adjacent to the two adjacent terminal faces and a convex portion provided between the two adjacent-to-terminal potions and having a higher height than that of the two adjacent-to-terminal potions. The two adjacent-to-terminal potions have a height same as or lower than that of the terminal faces, and the convex portion has a height same as or higher than that of the terminal faces.
    Type: Grant
    Filed: September 12, 2013
    Date of Patent: July 1, 2014
    Assignee: Canon Kabushiki Kaisha
    Inventors: Shuhei Ono, Shigeki Sato, Daisuke Fujiwara
  • Publication number: 20140072293
    Abstract: The optical apparatus accessory includes multiple terminal faces arranged in a direction of a relative movement for attachment to an optical apparatus and allowed to make contact with multiple terminal pins provided in the optical apparatus, and electric insulation portions provided between each two adjacent terminal faces. The multiple terminal faces are arranged at a same height, each of the electric insulation portions includes two adjacent-to-terminal potions respectively adjacent to the two adjacent terminal faces and a convex portion provided between the two adjacent-to-terminal potions and having a higher height than that of the two adjacent-to-terminal potions. The two adjacent-to-terminal potions have a height same as or lower than that of the terminal faces, and the convex portion has a height same as or higher than that of the terminal faces.
    Type: Application
    Filed: September 12, 2013
    Publication date: March 13, 2014
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Shuhei Ono, Shigeki Sato, Daisuke Fujiwara
  • Publication number: 20140035611
    Abstract: A wafer test method of a power switch wherein a main IGBT and a current detecting IGBT that detects a current value of the main IGBT are integrally formed on the same semiconductor substrate is such that there is provided resistance means that causes an emitter current of the current detecting IGBT to flow through an emitter terminal of the main IGBT, the main IGBT and current detecting IGBT are energized simultaneously, thereby applying a constant current to a common collector terminal of the main IGBT and current detecting IGBT, and a current ratio (main current/detected current) between a main current of the main IGBT and a detected current of the current detecting IGBT is calculated from the current flowing through the current detecting IGBT, obtained from the voltage across the resistance means, and the constant current.
    Type: Application
    Filed: February 17, 2012
    Publication date: February 6, 2014
    Applicant: FUJI ELECTRIC CO., LTD.
    Inventor: Shigeki Sato
  • Publication number: 20130236787
    Abstract: An object of the present invention is to provide a high-capacity, low cycle deterioration lithium secondary battery in which the positive electrode is provided with a titanium composite oxide such as Li2NiTiO4. A lithium secondary battery 100 provided by the present invention includes a positive electrode 10 and a negative electrode 20. The positive electrode 10 has a solid solution between Li2M1TiO4 (where M1 is at least one metal element selected from the group consisting of Mn, Fe, Co, and Ni) and LiM2O2 (where M2 is at least one metal element selected from the group consisting of Mn, Co, and Ni).
    Type: Application
    Filed: November 16, 2010
    Publication date: September 12, 2013
    Inventor: Shigeki Sato
  • Publication number: 20130153702
    Abstract: A method of manufacturing a stator includes a first winding step of, with annular conductors of a first coil portion being placed in a coil holding unit, inserting the annular conductors into the respective slots by a coil pushing-out unit; and a second winding step of, after the first coil winding step, with annular conductors of a second coil portion placed in the coil holding unit, moving a positioning unit in an axial direction at least from one end of the stator core to the other end of the stator core in the axial direction, and inserting the annular conductors into the respective slots by the coil pushing-out unit while a part of the first coil portion, which is located in the slots, is pressed in a direction from the opening of the slot toward an inside of the slot by the radial end faces of the projecting teeth.
    Type: Application
    Filed: December 10, 2012
    Publication date: June 20, 2013
    Inventors: Yasuo YAMAGUCHI, Katsuyuki HAYASHI, Shigeki SATO
  • Patent number: 8462216
    Abstract: The optical apparatus includes an image pickup optical system including a focus lens, a controller controlling movement of the focus lens in an optical axis direction of the image pickup optical system, a shake detector detecting a shake amount of the optical apparatus in the optical axis direction, and a memory storing plural shake amounts sequentially detected by the shake detector. The controller calculates, in response to a start instruction of exposure for the image pickup and before start of the exposure, a predictive value of the shake amount for a time point of the exposure based on the plural shake amounts stored in the memory and including at least one shake amount detected after the start instruction of exposure. The controller moves the focus lens to a position corresponding to the predictive value before the start of the exposure.
    Type: Grant
    Filed: August 6, 2012
    Date of Patent: June 11, 2013
    Assignee: Canon Kabushiki Kaisha
    Inventors: Shigeki Sato, Masanori Ishikawa, Atsushi Koyama, Kunihiko Sasaki
  • Publication number: 20120293675
    Abstract: The optical apparatus includes an image pickup optical system including a focus lens, a controller controlling movement of the focus lens in an optical axis direction of the image pickup optical system, a shake detector detecting a shake amount of the optical apparatus in the optical axis direction, and a memory storing plural shake amounts sequentially detected by the shake detector. The controller calculates, in response to a start instruction of exposure for the image pickup and before start of the exposure, a predictive value of the shake amount for a time point of the exposure based on the plural shake amounts stored in the memory and including at least one shake amount detected after the start instruction of exposure. The controller moves the focus lens to a position corresponding to the predictive value before the start of the exposure.
    Type: Application
    Filed: August 6, 2012
    Publication date: November 22, 2012
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Shigeki Sato, Masanori Ishikawa, Atsushi Koyama, Kunihiko Sasaki
  • Patent number: 8259182
    Abstract: The optical apparatus includes an image pickup optical system including a focus lens, a controller controlling movement of the focus lens in an optical axis direction of the image pickup optical system, a shake detector detecting a shake amount of the optical apparatus in the optical axis direction, and a memory storing plural shake amounts sequentially detected by the shake detector. The controller calculates, in response to a start instruction of exposure for the image pickup and before start of the exposure, a predictive value of the shake amount for a time point of the exposure based on the plural shake amounts stored in the memory and including at least one shake amount detected after the start instruction of exposure. The controller moves the focus lens to a position corresponding to the predictive value before the start of the exposure.
    Type: Grant
    Filed: July 23, 2009
    Date of Patent: September 4, 2012
    Assignee: Canon Kabushiki Kaisha
    Inventors: Shigeki Sato, Masanori Ishikawa, Atsushi Koyama, Kunihiko Sasaki
  • Patent number: 8218958
    Abstract: An image stabilizer includes: an optical system movable in a plane perpendicular to an optical axis (“orthogonal plane”) and correcting image blur; a movable member holding the optical system and movable relative to a fixed member in an orthogonal plane; a guide guiding the movable member while preventing from rotating in an orthogonal plane; three first balls rollably interposed between the fixed and guide members; two second balls rollably interposed between the guide and movable members; one third ball rollably interposed between the fixed and movable members; a biasing unit biasing the movable member toward the fixed member; and a drive unit driving the movable member relative to the fixed member in two directions perpendicular to the optical axis, wherein in an orthogonal plane, two of the first balls are rollable only in first direction; the second balls are rollable only in second direction different from the first direction.
    Type: Grant
    Filed: June 20, 2011
    Date of Patent: July 10, 2012
    Assignee: Canon Kabushiki Kaisha
    Inventor: Shigeki Sato
  • Publication number: 20120154616
    Abstract: An optical apparatus includes a focus lens that constitutes an image-pickup optical system configured to form an optical image of an object, a driver configured to drive the focus lens in an optical axis direction of the image-pickup optical system in focusing, and a controller configured to store a position of the focus lens in a memory which is set in accordance with an operation of a setter, and to control the driver in accordance with a manipulation of a manipulator so as to move the focus lens to the position stored in the memory, wherein the controller controls the driver so that a driving speed at which the focus lens is moved to the position stored in the memory when a mode of taking the object is a still image-pickup mode is higher than that in a motion image-pickup mode.
    Type: Application
    Filed: December 16, 2011
    Publication date: June 21, 2012
    Applicant: CANON KABUSHIKI KAISHA
    Inventor: Shigeki Sato
  • Patent number: 8086097
    Abstract: An image stabilizer includes: an optical system movable in a plane perpendicular to an optical axis (“orthogonal plane”) and correcting image blur; a movable member holding the optical system and movable relative to a fixed member in an orthogonal plane; a guide guiding the movable member while preventing from rotating in an orthogonal plane; three first balls rollably interposed between the fixed and guide members; two second balls rollably interposed between the guide and movable members; one third ball rollably interposed between the fixed and movable members; a biasing unit biasing the movable member toward the fixed member; and a drive unit driving the movable member relative to the fixed member in two directions perpendicular to the optical axis, wherein in an orthogonal plane, two of the first balls are rollable only in first direction; the second balls are rollable only in second direction different from the first direction.
    Type: Grant
    Filed: July 14, 2010
    Date of Patent: December 27, 2011
    Assignee: Canon Kabushiki Kaisha
    Inventor: Shigeki Sato
  • Patent number: 8075949
    Abstract: A method of production of conductive particles able to suppress growth of the conductive particles at the firing stage, able to effectively prevent spheroidization and electrode disconnection, able to effectively suppress a drop in electrostatic capacity, and able to efficiently produce core particles covered by thin coating layers without abnormal segregation of the coating layer metal particularly even when the internal electrode layers are reduced in thickness. A method of producing conductive particles comprising cores 51 having nickel as their main ingredients and coating layers 52 covering their surroundings. A core powder, a water-soluble metal salt containing a metal or alloy forming the coating layers 52, and a surfactant (or water-soluble polymer compound) are mixed to deposite by reduction a metal or alloy for forming the coating layers 52 on the outer surfaces of the core powder.
    Type: Grant
    Filed: September 28, 2005
    Date of Patent: December 13, 2011
    Assignee: TDK Corporation
    Inventors: Kazutaka Suzuki, Shigeki Sato
  • Publication number: 20110249336
    Abstract: An image stabilizer includes: an optical system movable in a plane perpendicular to an optical axis (“orthogonal plane”) and correcting image blur; a movable member holding the optical system and movable relative to a fixed member in an orthogonal plane; a guide guiding the movable member while preventing from rotating in an orthogonal plane; three first balls rollably interposed between the fixed and guide members; two second balls rollably interposed between the guide and movable members; one third ball rollably interposed between the fixed and movable members; a biasing unit biasing the movable member toward the fixed member; and a drive unit driving the movable member relative to the fixed member in two directions perpendicular to the optical axis, wherein in an orthogonal plane, two of the first balls are rollable only in first direction; the second balls are rollable only in second direction different from the first direction.
    Type: Application
    Filed: June 20, 2011
    Publication date: October 13, 2011
    Applicant: CANON KABUSHIKI KAISHA
    Inventor: Shigeki SATO
  • Patent number: 8014126
    Abstract: Electronic device 1 comprises an element body 10, comprising a dielectric layer 2 constituted by a dielectric ceramic composition, and a terminal electrode 4, formed outside of the element body 10. The dielectric ceramic composition comprised a main component including barium titanate; a first subcomponent including at least one oxide of Mg and Ca; a second subcomponent including SiO2; a third subcomponent including at least one oxide of Mn and Cr; and a fourth subcomponent including an oxide of rare earth elements, wherein the net valence of Mn and/or Cr in the third subcomponent is 2.2 to 2.4. According to the electronic device 1, both high temperature accelerated lifetime characteristics and capacity stress aging characteristics can be improved in a balanced manner.
    Type: Grant
    Filed: June 23, 2006
    Date of Patent: September 6, 2011
    Assignee: TDK Corporation
    Inventors: Shigeki Sato, Keiichi Fukuda
  • Patent number: 7991276
    Abstract: The optical image stabilizer shifts an image stabilizing element with respect to an optical axis of an optical system to reduce image shake. The stabilizer includes a lock ring which is rotatable to a lock position to limit shift of the image stabilizing element and to a lock-releasing position to allow the shift of the image stabilizing element, an actuator which rotates the lock ring to the lock position and the lock-releasing position, and a biasing mechanism which mechanically biases the lock ring rotated to the lock position toward the lock position and biases the lock ring rotated to the lock-releasing position toward the lock-releasing position.
    Type: Grant
    Filed: January 16, 2009
    Date of Patent: August 2, 2011
    Assignee: Canon Kabushiki Kaisha
    Inventor: Shigeki Sato
  • Patent number: 7898793
    Abstract: A multilayer ceramic capacitor having a laminate including alternately stacked dielectric layers of a sintered compact composed of crystal particles of a dielectric porcelain composite and internal-electrode layers. The dielectric porcelain composite comprises a primary constituent containing barium titanate; a first accessory constituent composed of at least one of MgO, CaO, BaO, and SrO; a second accessory constituent containing silicon oxide as a major constituent; a third accessory constituent composed of at least one of V2O5, MoO3, and WO3; a fourth accessory constituent composed of an oxide of R1 (wherein R1 is at least one of Sc, Er, Tm, Yb, and Lu); a fifth accessory constituent composed of CaZrO3 or a combination of CaO and ZrO2; and a sixth accessory constituent composed of an oxide of R2 (wherein R2 is at least one of Y, Dy, Ho, Tb, Gd, and Eu).
    Type: Grant
    Filed: February 23, 2005
    Date of Patent: March 1, 2011
    Assignee: TDK Corporation
    Inventors: Kazushige Ito, Haruya Hara, Toshihiro Iguchi, Shigeki Sato, Akira Sato, Takashi Kojima
  • Publication number: 20110013283
    Abstract: An image stabilizer includes: an optical system movable in a plane perpendicular to an optical axis (“orthogonal plane”) and correcting image blur; a movable member holding the optical system and movable relative to a fixed member in an orthogonal plane; a guide guiding the movable member while preventing from rotating in an orthogonal plane; three first balls rollably interposed between the fixed and guide members; two second balls rollably interposed between the guide and movable members; one third ball rollably interposed between the fixed and movable members; a biasing unit biasing the movable member toward the fixed member; and a drive unit driving the movable member relative to the fixed member in two directions perpendicular to the optical axis, wherein in an orthogonal plane, two of the first balls are rollable only in first direction; the second balls are rollable only in second direction different from the first direction.
    Type: Application
    Filed: July 14, 2010
    Publication date: January 20, 2011
    Applicant: CANON KABUSHIKI KAISHA
    Inventor: Shigeki Sato
  • Patent number: 7675567
    Abstract: A camera is provided which includes an image capturing element; a memory for recording images obtained from the image capturing element; and a controller for changing the number of recorded pixels of the images stored in the memory based on information about a lens apparatus that can be operatively connected to the camera.
    Type: Grant
    Filed: June 3, 2005
    Date of Patent: March 9, 2010
    Assignee: Canon Kabushiki Kaisha
    Inventors: Seiichi Kashiwaba, Tohru Kawai, Masanori Ishikawa, Mitsuru Shinohara, Shigeki Sato, Yuki Nagao