Patents by Inventor Takashi Umemoto

Takashi Umemoto 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: 20190261832
    Abstract: An endoscope apparatus includes an elongated insertion portion, a self-propelling mechanism configured to be rotatably driven to advance and retract the insertion portion, and a motor configured to supply a drive force to the self-propelling mechanism. A control apparatus for the endoscope apparatus includes a current controller configured to supply a motor current to the motor to control driving of the motor, a motor current detector configured to detect a value of the motor current, a motor current change amount detector configured to detect an amount of change in the value of the motor current, and a limit controller configured to stop a supply of the motor current by the current controller according to the amount of change.
    Type: Application
    Filed: May 14, 2019
    Publication date: August 29, 2019
    Applicant: OLYMPUS CORPORATION
    Inventors: Takashi SUZUKI, Yoshitaka UMEMOTO, Yasuaki NATORI, Takashi YAMASHITA, Fumiyuki ONODA
  • Publication number: 20190239722
    Abstract: A controller is configured to control an operation of a self-propelled mechanism provided in an elongated insertion section of an endoscope. The controller includes a circuit configured to: acquire a speed value corresponding to a rotation speed of a motor of the self-propelled mechanism; acquire a torque value corresponding to a torque generated by the motor; control rotation of the motor by switching between at least two of speed control that controls rotation of the motor based on the speed value and torque control that controls rotation of the motor based on the torque value; and stop the rotation of the motor if the torque value has exceeded a predetermined threshold value, perform the torque control when the rotation of the motor is resumed.
    Type: Application
    Filed: April 17, 2019
    Publication date: August 8, 2019
    Applicant: OLYMPUS CORPORATION
    Inventors: Yoshitaka Umemoto, Takashi Suzuki, Yasuaki Natori, Takashi Yamashita, Fumiyuki Onoda
  • Patent number: 10354735
    Abstract: A semiconductor device includes a plurality of nonvolatile memory cells (1). Each of the nonvolatile memory cells comprises a MOS type first transistor section (3) used for information storage, and a MOS type second transistor section (4) which selects the first transistor section. The second transistor section has a bit line electrode (16) connected to a bit line, and a control gate electrode (18) connected to a control gate control line. The first transistor section has a source line electrode (10) connected to a source line, a memory gate electrode (14) connected to a memory gate control line, and a charge storage region (11) disposed directly below the memory gate electrode. A gate withstand voltage of the second transistor section is lower than that of the first transistor section.
    Type: Grant
    Filed: August 29, 2018
    Date of Patent: July 16, 2019
    Assignee: Renesas Electronics Corporation
    Inventors: Toshihiro Tanaka, Yukiko Umemoto, Mitsuru Hiraki, Yutaka Shinagawa, Masamichi Fujito, Kazufumi Suzukawa, Hiroyuki Tanikawa, Takashi Yamaki, Yoshiaki Kamigaki, Shinichi Minami, Kozo Katayama, Nozomu Matsuzaki
  • Patent number: 10342415
    Abstract: An insertion apparatus includes an insertion section, a motor that rotates a rotational housing, a drive control unit that supplies a driving current to the motor to control driving of the motor, a temperature detector provided in the rotational housing, that detects a temperature of the rotational housing, a temperature measurement unit that measures a temperature in a vicinity of the rotational housing based on a detection result obtained from the temperature detector, a heating element used for heating, and a heating control unit that controls the heating element to perform heating when a measurement result of the temperature measurement unit is lower than a predetermined temperature.
    Type: Grant
    Filed: May 23, 2017
    Date of Patent: July 9, 2019
    Assignee: OLYMPUS CORPORATION
    Inventors: Yasuaki Natori, Fumiyuki Onoda, Keijiro Omoto, Takashi Yamashita, Takashi Suzuki, Yoshitaka Umemoto, Takuro Onda
  • Publication number: 20190193668
    Abstract: A passenger protection device includes: a front airbag configured to inflate so as to cover a front of the passenger; a front inflator configured to supply the inflation gas to the front airbag; an airbag for window accommodated with being folded at an upper edge-side of a window arranged at a lateral side of the passenger and configured to inflate so as to cover a vehicle interior-side of the window; and an inflator for window configured to supply the inflation gas to the airbag for window. The airbag for window includes a bag-adjacent inflation part configured to cover a side of a head of the passenger received by the front airbag, and an activation start timing of the inflator for window is set within a range of ?20 ms to ?5 ms from a time at which the front airbag having completely inflated starts to receive the passenger.
    Type: Application
    Filed: December 18, 2018
    Publication date: June 27, 2019
    Inventors: Shinji HAYASHI, Takashi IIDA, Yuka UMEMOTO
  • Publication number: 20190194063
    Abstract: A glass ceramics sintered body includes a glass phase and a ceramics phase dispersed in the glass phase. The ceramics phase includes alumina grains and zirconia grains. The glass phase includes an MO—Al2O3—SiO2—B2O3 based glass, where M is an alkaline earth metal. An area ratio of the alumina grains is 13 to 30%, and an area ratio of the zirconia grains is 0.05 to 6%, on a cross section of the sintered body.
    Type: Application
    Filed: November 6, 2018
    Publication date: June 27, 2019
    Applicant: TDK CORPORATION
    Inventors: Shusaku UMEMOTO, Takashi SUZUKI, Hidekazu SATO, Masaki TAKAHASHI, Shinichi KONDO
  • Patent number: 10314464
    Abstract: An insertion apparatus includes an insertion section, a rotational housing, a motor, and a controller. The motor rotates the rotational housing. The controller designates a rotational direction of the motor. The controller limits the rotational direction of the motor to allow the insertion section to move only in a removal direction when inspection control for inspecting an operation relative to an insertion direction of the insertion section is initiated.
    Type: Grant
    Filed: June 5, 2017
    Date of Patent: June 11, 2019
    Assignee: OLYMPUS CORPORATION
    Inventors: Takashi Suzuki, Takashi Yamashita, Yoshitaka Umemoto, Fumiyuki Onoda, Takuro Onda, Yasuaki Hirata, Takahiro Shibata
  • Patent number: 10228640
    Abstract: An image forming apparatus includes an image forming unit that forms a toner image, a transfer portion that transfers the toner image onto a sheet, and a fixing unit that fixes the toner image to the sheet. A compressor outputs air based on a drive current supplied from a power source, and a detection portion detects the drive current. An ejection portion ejects the air output from the compressor, and a pipe supplies the air output from the compressor to the ejection portion. In addition, a determination unit determines a characteristic expression indicating a relationship between the drive current and an air pressure of the air based on a first detection result obtained by the detection portion when the air pressure is adjusted to a first predetermined value and a second detection result obtained by the detection portion when the air pressure is adjusted to a second predetermined value.
    Type: Grant
    Filed: July 6, 2017
    Date of Patent: March 12, 2019
    Assignee: Canon Kabushiki Kaisha
    Inventors: Yoshitaka Yamazaki, Takashi Umemoto
  • Publication number: 20180032006
    Abstract: Provided is an image forming apparatus including: an image forming unit forming a toner image; a transfer portion transferring the toner image onto a sheet; a fixing unit fixing the toner image to the sheet; a compressor outputting air based on a drive current supplied from a power source; a detection portion detecting the drive current; an ejection portion ejecting the air output from the compressor; a pipe supplying the air output from the compressor to the ejection portion; and a determination unit configured to determine a characteristic expression indicating a relationship between the drive current and an air pressure of the air based on a first detection result obtained by the detection portion when the air pressure is adjusted to a first predetermined value and a second detection result obtained by the detection portion when the air pressure is adjusted to a second predetermined value.
    Type: Application
    Filed: July 6, 2017
    Publication date: February 1, 2018
    Inventors: Yoshitaka Yamazaki, Takashi Umemoto
  • Patent number: 9160868
    Abstract: Provided is a document reading apparatus for identifying irregular shadow generated when reading document and for correcting the identified irregular shadow. Lights are irradiated toward the reading areas of the document from a plurality of directions with different light amount. Through the photoelectric conversion of the reflected light, the first image data of a target pixel and the second image data of the target pixel are obtained. Then, through the determination of the type of the document of the target pixel based on the first data and the second data of the target pixel and through the verification (re-determination of the document type) based on the type of the document of peripheral pixel adjacent to the target pixel, irregular shadow is accurately identified.
    Type: Grant
    Filed: May 12, 2014
    Date of Patent: October 13, 2015
    Assignee: CANON KABUSHIKI KAISHA
    Inventor: Takashi Umemoto
  • Publication number: 20140347705
    Abstract: Provided is a document reading apparatus for identifying irregular shadow generated when reading document and for correcting the identified irregular shadow. Lights are irradiated toward the reading areas of the document from a plurality of directions with different light amount. Through the photoelectric conversion of the reflected light, the first image data of a target pixel and the second image data of the target pixel are obtained. Then, through the determination of the type of the document of the target pixel based on the first data and the second data of the target pixel and through the verification (re-determination of the document type) based on the type of the document of peripheral pixel adjacent to the target pixel, irregular shadow is accurately identified.
    Type: Application
    Filed: May 12, 2014
    Publication date: November 27, 2014
    Applicant: CANON KABUSHIKI KAISHA
    Inventor: Takashi Umemoto
  • Publication number: 20140320441
    Abstract: A touch panel includes one transparent substrate. The transparent substrate includes: a main-region for detecting a touched two-dimensional location, the main region including a two-dimensional touch sensor that detects the touched two-dimensional location; and at least one sub region for detecting whether or not a touch has been done, the sub region including a one-layer-structured touch sensor. In the two-dimensional touch sensor, a main-side insulating layer is provided between an earlier-formed portion and a later-formed portion. Accordingly, the touch panel can be configured such that the main-side insulating layer and a sub-side insulating layer can be formed in the same step and the later-formed portion and the one-layer-structured touch sensor can be formed in the same step when a paint film layer having an icon drawn is provided in the sub region and the sub-side insulating layer is provided between the paint film layer and the one-layer-structured touch sensor.
    Type: Application
    Filed: November 30, 2012
    Publication date: October 30, 2014
    Inventors: Chiemi Yamada, Yuhji Sugiyama, Takashi Umemoto, Takashi Ueno, Takayuki Koyama, Kazuyoshi Morimoto, Tomohiro Yanagawa
  • Patent number: 8437117
    Abstract: A solid electrolytic capacitor includes at least one capacitor element in which the other end of an anode lead extends beyond an exposed portion of an electrolyte layer exposed from a cathode layer. The solid electrolytic capacitor further includes: an anode terminal connected to the other end of the anode lead, a cathode terminal connected to the cathode layer, a resin layer and a resin outer package covering the capacitor element and the resin layer. The resin layer covering the exposed portion of the electrolyte layer, the other end of the anode lead, and a connecting part between the other end of the anode lead and the anode terminal. The resin layer includes a first resin layer covering the exposed portion and a second resin layer covering the first resin layer, the first resin layer being softer than the second resin layer.
    Type: Grant
    Filed: March 10, 2010
    Date of Patent: May 7, 2013
    Assignee: Sanyo Electric Co., Ltd.
    Inventors: Takashi Umemoto, Nobuhiko Hayashi
  • Patent number: 8432665
    Abstract: An object of the present invention is to provide a solid electrolytic capacitor having reduced leakage current and a manufacturing method thereof.
    Type: Grant
    Filed: March 25, 2009
    Date of Patent: April 30, 2013
    Assignee: SANYO Electric, Ltd.
    Inventors: Takashi Umemoto, Masaaki Nemoto, Hiroshi Nonoue
  • Patent number: 8218290
    Abstract: Provided is a solid electrolytic capacitor with low ESR (equivalent series resistance) and excellent reliability during high-temperature storage. The solid electrolytic capacitor includes an anode formed of a valve metal, a dielectric film provided on the anode, a conducting polymer layer provided on the dielectric layer, and a cathode extraction layer provided on the conducting polymer layer. The conducting polymer layer contains a metal-based conductive filler in at least one of a flake form and a fiber form.
    Type: Grant
    Filed: August 20, 2008
    Date of Patent: July 10, 2012
    Assignee: Sanyo Electric Co., Ltd.
    Inventors: Taeko Ota, Masayuki Fujita, Takashi Umemoto, Hiroshi Nonoue
  • Patent number: 8213161
    Abstract: A solid electrolytic capacitor according to the present invention comprises an anode body, an anode lead in contact with an outer surface of the anode body, a dielectric layer formed on a surface of the anode lead, and a cathode layer formed on a surface of the dielectric layer. The anode lead is provided with a plurality of openings passing through the anode lead. Another solid electrolytic capacitor according to the present invention comprises an anode body, an anode lead in contact with an outer surface of the anode body, a dielectric layer formed on a surface of the anode lead, and a cathode layer formed on a surface of the dielectric layer. The anode lead is provided with a cutout on an outer circumference edge of the anode lead.
    Type: Grant
    Filed: October 29, 2009
    Date of Patent: July 3, 2012
    Assignee: Sanyo Electric Co., Ltd.
    Inventors: Koichi Nishimura, Koji Endo, Takashi Umemoto, Hiroshi Nonoue
  • Patent number: 8213158
    Abstract: Provided is a solid electrolytic capacitor comprising an anode of a porous body formed of a valve metal or its alloy, a dielectric layer formed on the surface in the inside part of the porous body and on the surface in the outer peripheral part thereof, a conductive polymer layer formed on the dielectric layer, a cathode layer formed on the conductive polymer layer in the outer peripheral part of the porous body, and an anode lead of which one end is embedded inside the anode, wherein the conductive polymer layer in the first region which is in the inside part of the porous body and the periphery around the anode lead as the center is formed of a polypyrrole layer, and the conductive polymer layer in the second region which is the periphery around the first region is formed by laminating a polypyrrole layer on a polyethylenedioxythiophene layer.
    Type: Grant
    Filed: September 25, 2008
    Date of Patent: July 3, 2012
    Assignee: Sanyo Electric Co., Ltd.
    Inventors: Kazuhiro Takatani, Mutsumi Yano, Takashi Umemoto, Hiroshi Nonoue
  • Patent number: 8169774
    Abstract: A first solid electrolytic capacitor according to the present invention includes a capacitor element, an exterior resin covering the capacitor element, an anode terminal, a cathode terminal, and a metal wire. The capacitor element includes an anode body from which an anode lead is extracted, a dielectric layer formed on a surface of the anode body, and a cathode layer formed on the dielectric layer. The anode terminal and the cathode terminal are electrically connected to the anode lead and the cathode layer, respectively, and extracted to an outer surface of the exterior resin, the anode terminal including an opposing part opposed to the anode lead in the exterior resin. The metal wire includes both ends connected to the opposing part and a curving part, and is provided to the anode lead, and at least a part of the curving part is electrically connected to the anode lead.
    Type: Grant
    Filed: September 22, 2009
    Date of Patent: May 1, 2012
    Assignee: Sanyo Electric Co., Ltd.
    Inventors: Nobuhiko Hayashi, Takashi Umemoto, Hiroshi Nonoue
  • Patent number: 8154855
    Abstract: A method for manufacturing a solid electrolytic capacitor that prevents leakage current from increasing. The method includes preparing a capacitor element including an anode body, which has an anode lead, and a cathode layer; preparing a lead terminal including an anode terminal, a cathode terminal, and a first insulative member which connects the anode terminal and cathode terminal; connecting the lead terminal and the capacitor element by bonding the anode terminal and the anode lead and bonding the cathode terminal and the cathode layer; and molding a package resin around the capacitor element.
    Type: Grant
    Filed: November 21, 2008
    Date of Patent: April 10, 2012
    Assignee: Sanyo Electric Co., Ltd.
    Inventors: Masaaki Nemoto, Takashi Umemoto, Hiroshi Nonoue
  • Patent number: 8134827
    Abstract: An aspect of the present invention provides a solid electrolytic capacitor that comprises: an anode mainly formed of a valve metal or an alloy thereof; an anode lead terminal a part of which is buried in a side surface of the anode; a dielectric layer formed on surfaces of the anode and mainly formed of an oxide; a conducting polymer layer formed on the dielectric layer; a cathode layer formed on the conducting polymer layer on an outer circumferential surface of the anode, the cathode layer comprising: a carbon layer; and a silver paste layer formed on the carbon layer; a thermal expansion layer provided on the side surface of the anode and on a part of the outer circumferential surface continuing from the side surface; and a rein outer package provided to cover the anode, dielectric layer, cathode layer, and thermal expansion layer, wherein a thermal expansion coefficient in a temperature range lower than a glass transition temperature of the thermal expansion layer is larger than that of each of the silver
    Type: Grant
    Filed: November 21, 2008
    Date of Patent: March 13, 2012
    Assignee: Sanyo Electric Co., Ltd.
    Inventors: Takashi Umemoto, Hiroshi Nonoue