Patents by Inventor Osamu Ishikawa

Osamu Ishikawa 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: 20190242624
    Abstract: A thermoacoustic device includes a loop pipe, a first stack that is disposed in the loop pipe and that generates a sound wave in the loop pipe by way of a temperature gradient, a second stack that is disposed in the loop pipe and that generates a temperature gradient, a first high temperature side heat exchanger that is disposed at one end of the first stack and that makes the temperature of the one end of the first stack be higher than the other end, and a first low temperature side heat exchanger that is disposed at the other end of the first stack and that makes the temperature of the other end of the first stack be lower than the one end.
    Type: Application
    Filed: October 18, 2017
    Publication date: August 8, 2019
    Applicants: JTEKT CORPORATION, UNIVERSITY PUBLIC CORPORATION OSAKA
    Inventors: Toshiyuki SAITO, Ryouichi TAKAHATA, Tomoyuki TAKEI, Osamu ISHIKAWA
  • Patent number: 10345294
    Abstract: The present invention intends to provide an immunochromatographic test piece that makes it possible to achieve both highly sensitive detection of a substance to be detected and a simple test piece structure, which are usually difficult to be made compatible with each other.
    Type: Grant
    Filed: July 31, 2014
    Date of Patent: July 9, 2019
    Assignee: Denka Seiken Co., Ltd.
    Inventors: Risa Kohiyama, Osamu Ishikawa, Takashi Miyazawa
  • Patent number: 10320062
    Abstract: [Object] To optimize the antenna characteristic both when worn on the human body and when separated from the human body. [Solution] A mounting base includes a mounting portion on which a communication device including an antenna and being worn on a human body is mounted or held such that the communication device comes into contact with or comes close to the mounting portion and a correcting unit installed in the mounting portion and configured to correct an antenna characteristic of the antenna of the communication device mounted or held on the mounting portion.
    Type: Grant
    Filed: April 13, 2015
    Date of Patent: June 11, 2019
    Assignee: SONY CORPORATION
    Inventors: Osamu Kozakai, Takayuki Hirabayashi, Rikiya Ishikawa
  • Patent number: 10283401
    Abstract: A bonded semiconductor wafer provided with a single crystal silicon layer on a main surface, wherein the bonded semiconductor wafer has a base wafer composed of a silicon single crystal, and the bonded semiconductor wafer has a first dielectric layer, a polycrystalline silicon layer, a second dielectric layer, and the single crystal silicon layer above the base wafer in this order, with a bonding plane lying between the polycrystalline silicon layer and the second dielectric layer; and wherein a carrier trap layer is formed between the base wafer and the dielectric layer. This provides a bonded semiconductor wafer of a trap-rich type SOI substrate wherein the base wafer can be prevented from lowering the specific resistance due to impurities and influence of electric charge in the BOX oxide film, distortion of radio-frequency fundamental signals and crosstalk signals from one circuit to another circuit are decreased, and the mass-productivity is excellent.
    Type: Grant
    Filed: February 5, 2016
    Date of Patent: May 7, 2019
    Assignee: SHIN-ETSU HANDOTAI CO., LTD.
    Inventors: Osamu Ishikawa, Masahiro Kato
  • Patent number: 10156217
    Abstract: Provided is a device for performing an automatic stop operation for an internal combustion engine when a predetermined automatic stop requirement is satisfied during an operation of the internal combustion engine and performing a restart operation for the internal combustion engine when a predetermined restart requirement is satisfied during an automatic stop time period of the internal combustion engine. In the device, restart control means (22) executes fuel injection control at the time of start of the restart operation by determining whether or not initial asynchronous injection of a fuel into a cylinder that is in an intake stroke is executable in accordance with an initially detected crank angle after the start of the restart operation and determining a next fuel injection cylinder and a fuel injection timing for the next fuel injection cylinder.
    Type: Grant
    Filed: October 26, 2012
    Date of Patent: December 18, 2018
    Assignee: Mitsubishi Electric Corporation
    Inventors: Tomohisa Shoda, Takeru Okabe, Osamu Ishikawa
  • Patent number: 10046759
    Abstract: While coolant is used to cool a motor inverter and a generator inverter included in a power drive unit configured to invert power between a battery and a motor/generator in both directions, an EV travel mode and a power generation travel mode are switched according to detection values from sensors in an electrically driven vehicle and including a switching device temperature sensor for a switching device of the inverters and a coolant temperature sensor, thereby controlling the vehicle. A failure of the coolant temperature sensor is detected according to a detection value from the coolant temperature sensor, and, in the EV travel mode, a detection value detected by the switching device temperature sensor for the switching device of the generator inverter is set as a detection value of a temperature of the coolant when the failure of the coolant temperature sensor is detected.
    Type: Grant
    Filed: February 14, 2017
    Date of Patent: August 14, 2018
    Assignee: Mitsubishi Electric Corporation
    Inventors: Osamu Ishikawa, Yasufumi Ogawa
  • Publication number: 20180172682
    Abstract: Disclosed is an immunochromatographic test strip by which the influences by the interfering substances in the immunochromatography method, contained in test samples, are reduced, so that it enables to accurately and specifically measure a test substance in a test sample irrespective of the amount of the test sample supplied to the assay, and to provide an immunochromatography method using the immunochromatographic test strip. The immunochromatographic test strip includes, in the order from upstream, a sample pad, a labeled substance region, a detection region and an absorption band, wherein a polymer(s) in which hydrophobic cyclic monomer(s) having an ionic functional group(s) is/are polymerized is impregnated at a region(s) upstream of the labeled substance region.
    Type: Application
    Filed: May 20, 2016
    Publication date: June 21, 2018
    Applicant: DENKA SEIKEN CO., LTD.
    Inventors: Risa KOHIYAMA, Osamu ISHIKAWA, Yuki SHINOHARA, Takashi MIYAZAWA
  • Patent number: 9989031
    Abstract: An engine automatic stop/restart device includes a ring gear which is linked to a crank shaft of the engine, a starter motor which is energized so as to be rotated, a pinion gear which transmits a rotation of the starter motor to the ring gear, and a pinion gear movement unit which is energized so as to move the pinion gear in a direction of the ring gear, whereby the pinion gear is engaged to the ring gear, in a state where the engine automatic stop/restart device automatically stops the engine when an engine automatic stop condition is established, and restarts the engine when an engine restart condition is established, and includes an inertially-rotating-restart-decision unit which permits or prohibits a restart of the engine, which is inertially rotating after the engine is automatically stopped, in accordance with a detection result of an oil temperature of the engine.
    Type: Grant
    Filed: September 10, 2013
    Date of Patent: June 5, 2018
    Assignee: Mitsubishi Electric Corporation
    Inventors: Osamu Ishikawa, Tomohisa Shoda
  • Publication number: 20180122639
    Abstract: A method for manufacturing a bonded SOI wafer, including depositing a polycrystalline silicon layer on a base wafer, forming an insulator film on a bond wafer, bonding the bond wafer and a polished surface of the silicon layer with the insulator film interposed, and thinning the bond wafer, wherein a silicon single crystal wafer having a resistivity of 100 ?-cm or more is the base wafer, the step of depositing the silicon layer includes a stage of forming an oxide film on the surface of the base wafer, and the silicon layer is deposited between 1050° C. and 1200° C. Accordingly, the method enables a polycrystalline silicon layer to be deposited while preventing the progress of single crystallization even through a heat treatment step in the SOI wafer manufacturing process or a heat treatment step in the device manufacturing process and can improve throughput in the polycrystalline silicon layer depositing step.
    Type: Application
    Filed: March 14, 2016
    Publication date: May 3, 2018
    Applicant: SHIN-ETSU HANDOTAI CO., LTD.
    Inventors: Norihiro KOBAYASHI, Osamu ISHIKAWA, Kenji MEGURO, Taishi WAKABAYASHI, Hiroyuki OONISHI
  • Publication number: 20180095088
    Abstract: An object of the present invention is to improve visibility by reducing background noise in order to accurately detect the signal from a target substance in an immunochromatographic device. The immunochromatographic device comprises a membrane having a detection region, to which an antibody or antigen serving as a capturing substance capable of capturing a target substance is immobilized, for detecting the target substance by using an antigen or antibody labeled with a labeling carrier that is a colored particle to form a complex of the capturing substance-target substance-labeled antigen or antibody in the capturing substance-immobilized detection region on the device, based on color of the labeling carrier, wherein a colorant having a color complementary to the color of the labeling carrier is allowed to be contained in a dry state in a constituent member of the device such that the colorant is developed together with a specimen when the specimen is developed on the device.
    Type: Application
    Filed: April 27, 2016
    Publication date: April 5, 2018
    Applicant: DENKA SEIKEN CO., LTD
    Inventors: Osamu Ishikawa, Risa KOHIYAMA, Takashi MIYAZAWA
  • Publication number: 20180045435
    Abstract: A thermoacoustic cooling device includes a tube in which a working fluid is enclosed; a first stack that generates acoustic waves in the working fluid with use of a temperature gradient; a first high-temperature heat exchanger provided at a first side of the first stack to heat the first side of the first stack; a first low-temperature heat exchanger provided at a second side of the first stack; a second stack in which a temperature gradient is generated by the acoustic waves; a second high-temperature heat exchanger provided at a first side of the second stack, which has a high temperature; a second low-temperature heat exchanger provided at a second side of the second stack, which has a low temperature; and a heat transfer portion configured to connect the second low-temperature heat exchanger to the first low-temperature heat exchanger so as to transfer heat therebetween.
    Type: Application
    Filed: August 8, 2017
    Publication date: February 15, 2018
    Applicants: JTEKT CORPORATION, PUBLIC UNIVERSITY CORPORATION OSAKA CITY UNIVERSITY
    Inventors: Toshiyuki SAITO, Ryouichi TAKAHATA, Tomoyuki TAKEI, Osamu ISHIKAWA
  • Publication number: 20180033681
    Abstract: A bonded semiconductor wafer provided with a single crystal silicon layer on a main surface, wherein the bonded semiconductor wafer has a base wafer composed of a silicon single crystal, and the bonded semiconductor wafer has a first dielectric layer, a polycrystalline silicon layer, a second dielectric layer, and the single crystal silicon layer above the base wafer in this order, with a bonding plane lying between the polycrystalline silicon layer and the second dielectric layer; and wherein a carrier trap layer is formed between the base wafer and the dielectric layer. This provides a bonded semiconductor wafer of a trap-rich type SOI substrate wherein the base wafer can be prevented from lowering the specific resistance due to impurities and influence of electric charge in the BOX oxide film, distortion of radio-frequency fundamental signals and crosstalk signals from one circuit to another circuit are decreased, and the mass-productivity is excellent.
    Type: Application
    Filed: February 5, 2016
    Publication date: February 1, 2018
    Applicant: SHIN-ETSU HANDOTAI CO., LTD.
    Inventors: Osamu ISHIKAWA, Masahiro KATO
  • Publication number: 20170259695
    Abstract: While coolant is used to cool a motor inverter and a generator inverter included in a power drive unit configured to invert power between a battery and a motor/generator in both directions, an EV travel mode and a power generation travel mode are switched according to detection values from sensors in an electrically driven vehicle and including a switching device temperature sensor for a switching device of the inverters and a coolant temperature sensor, thereby controlling the vehicle. A failure of the coolant temperature sensor is detected according to a detection value from the coolant temperature sensor, and, in the EV travel mode, a detection value detected by the switching device temperature sensor for the switching device of the generator inverter is set as a detection value of a temperature of the coolant when the failure of the coolant temperature sensor is detected.
    Type: Application
    Filed: February 14, 2017
    Publication date: September 14, 2017
    Applicant: Mitsubishi Electric Corporation
    Inventors: Osamu ISHIKAWA, Yasufumi OGAWA
  • Patent number: 9739249
    Abstract: In order to provide an engine automatic stop and restart apparatus capable of realizing excellent startability, and preventing an excessive load from being imposed on a starter (30) and a power transmission system, a starter drive inhibition determination section (12) inhibits, in a case where an engine restart condition is satisfied, when a backward rotation of an engine (20) is detected based on a crank angle of a crankshaft of the engine (20) detected by a crank angle sensor (1) for detecting the crank angle, a drive of the starter (30) configured to crank the crankshaft so as to restart the engine (20), and releases, when a stop of the engine (20) is detected, the drive inhibition of the starter (30).
    Type: Grant
    Filed: October 12, 2012
    Date of Patent: August 22, 2017
    Assignee: Mitsubishi Electric Corporation
    Inventors: Masami Nakashima, Takeru Okabe, Osamu Ishikawa, Michitaka Fujiwara
  • Patent number: 9726134
    Abstract: A device for automatically stopping and restarting an internal combustion engine is provided with a crank angle sensor (1) that detects a crank angle of an engine (10), a fuel injection unit (11) that injects fuel into the engine, and the device is also provided with a starter activation prohibition determination means that prohibits activation of a starter (20) by determining that the engine is in reverse rotation during inertial rotation of the engine, and removes the starter activation prohibition depending on the crank angle when the engine starts reverse rotation.
    Type: Grant
    Filed: April 3, 2012
    Date of Patent: August 8, 2017
    Assignee: Mitsubishi Electric Corporation
    Inventors: Takeru Okabe, Osamu Ishikawa, Tomohisa Shoda, Michitaka Fujiwara
  • Patent number: 9717806
    Abstract: A method of detecting an accessory cancer lesion, comprising an administration step wherein indocyanine green is administered to a living body, an irradiation step wherein a target organ suspected of having cancer is surgically exposed and irradiated with excitation light of indocyanine green, an imaging step wherein a near-infrared fluorescence intensity distribution image from the excited indocyanine green in the target organ is obtained, and an identification step wherein an area having the near-infrared fluorescence in the intensity distribution image, excluding the area detected in preoperative examination or intraoperative macroscopic observation, is identified as an accessory cancer lesion.
    Type: Grant
    Filed: December 19, 2014
    Date of Patent: August 1, 2017
    Assignees: OSAKA PREFECTURAL HOSPITAL ORGANIZATION, HAMAMATSU PHOTONICS K.K.
    Inventors: Osamu Ishikawa, Terumasa Yamada, Kunihito Gotoh, Mitsuharu Miwa, Takahiro Shikayama
  • Patent number: 9631596
    Abstract: The engine starting device for stopping, when an engine automatic stop condition is satisfied, fuel injection to the engine to automatically stop the engine, and for thereafter restarting the engine when an engine restart condition is satisfied, includes: a ring gear coupled to a crankshaft of the engine; a starter motor rotated by a current supply; a pinion gear for transmitting the rotation of the starter motor to the ring gear; a pinion gear moving part for moving the pinion gear toward the ring gear by a current supply, thereby meshing the pinion gear with the ring gear; and a fuel injection control part for restarting the fuel injection so that combustion is generated in a predetermined compression cylinder after the engine restart condition is satisfied and after the pinion gear moving part starts the movement of the pinion gear.
    Type: Grant
    Filed: March 19, 2013
    Date of Patent: April 25, 2017
    Assignee: Mitsubishi Electric Corporation
    Inventors: Hiroaki Kitano, Daisuke Mizuno, Osamu Ishikawa, Takeru Okabe, Koichiro Kamei
  • Patent number: 9624894
    Abstract: In an automatically stopped internal combustion engine, a rotation speed at next and subsequent ignition timings is predicted at every ignition timing of the internal combustion engine after the internal combustion engine is stopped automatically. Whether self-restorable restarting is allowed is determined according to a comparison result of the predictive rotation speed and a self-restoration determination rotation speed, so that self-restorable restarting is performed in a reliable manner.
    Type: Grant
    Filed: May 15, 2013
    Date of Patent: April 18, 2017
    Assignee: Mitsubishi Electric Corporation
    Inventors: Tomohisa Shoda, Osamu Ishikawa, Takeru Okabe, Hiroaki Kitano
  • Patent number: 9624897
    Abstract: A control device for an internal combustion engine capable of controlling an intake-pipe pressure within a range which allows restartability to be ensured. A control device for an internal combustion engine includes: an idle-stop control section for restarting the engine in response to generation of a restart request; and an intake-air amount control section for setting a control amount of an intake system so that the intake air amount becomes zero when an intake-pipe pressure of the engine upon generation of the automatic stop request is higher than a predetermined pressure and setting the control amount of the intake system so that the intake air amount becomes larger than the amount upon generation of the automatic stop request, and then becomes zero when the intake-pipe pressure is lower than the predetermined pressure.
    Type: Grant
    Filed: October 19, 2011
    Date of Patent: April 18, 2017
    Assignee: Mitsubishi Electric Corporation
    Inventors: Takeru Okabe, Osamu Ishikawa, Tomohisa Shoda, Hideaki Tani, Toru Tanaka
  • Patent number: 9486946
    Abstract: An apparatus for manufacturing an absorbent body of an absorbent article by depositing a liquid absorbent material on an air-permeable member by passing an air that contains the liquid absorbent material in a thickness direction of the air-permeable member, the apparatus including: a plurality of plates that are stacked in the thickness direction, that constitutes the air-permeable member, each of which includes a plurality of air holes that penetrate the plate in the thickness direction and that allow the air to pass, and each of which includes a joining portion for joining to an adjacent plate in the thickness direction in a portion of the plate in which the air holes are not formed, the plurality of air holes of each of the plates being arranged so as to communicate with corresponding air holes of an adjacent plate in the thickness direction, corresponding air holes of all the plates stacked in the thickness direction having a same shape.
    Type: Grant
    Filed: August 22, 2011
    Date of Patent: November 8, 2016
    Assignee: Uni-Charm Corporation
    Inventors: Hiroshi Isshiki, Osamu Ishikawa