Patents by Inventor Yoshihisa Ishikawa

Yoshihisa 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: 20240136102
    Abstract: A winding of a transmission coil included in a power transmission device of a contactless power feed apparatus and serving to transmit AC power to a power reception device contactlessly is formed of a wiring pattern provided on a substrate. The transmission coil is divided into partial coils arranged coaxially. Each of the partial coils is formed such that, among the partial coils, a number of turns of a winding included in a partial coil is larger as the partial coil is located more outwardly.
    Type: Application
    Filed: September 6, 2023
    Publication date: April 25, 2024
    Applicant: OMRON Corporation
    Inventors: Goro NAKAO, Yuki ITO, Taichi MISHIMA, Yusuke KAWAI, Hiroyuki IBUKI, Yoshihisa ISHIKAWA
  • Publication number: 20230135839
    Abstract: A mask 10 comprises a main body portion 11, a fixing member 12, a display panel 13, an LED 14a, and a display control unit 15. The main body portion 11 is disposed at a shield position that covers the user's mouth and nostrils. The fixing member 12 fixes the main body portion 11 to the face so that the main body portion 11 is held at the shield position. The display panel 13 is provided at a position of the main body portion 11 opposite the front of the user's face, and performs a desired display with light emitted in a specific direction. The LED 14a irradiates the display panel 13 with light in a specific direction. The display control unit 15 controls the LED 14a so as to perform a desired display on the display panel 13.
    Type: Application
    Filed: September 27, 2022
    Publication date: May 4, 2023
    Applicant: OMRON CORPORATION
    Inventors: Takahiro ONO, Hiroyuki IBUKI, Yoshihisa ISHIKAWA, Che Cheng NEO, Hiroyuki ONITSUKA, Masaaki SUMI, Junya FUJITA, Masanori MORI
  • Publication number: 20220364332
    Abstract: To make it easier for an operator to notice an object in the surroundings of a construction machine. A safety monitoring system includes a detection device, a display unit, and a control unit. The detection device detects an object in the surroundings of the work vehicle. The display unit displays a captured image of the surroundings of the work vehicle. The control unit controls the detection device and the display unit. If the detection device detects an object, the control unit controls the display unit to display an image with a defined edge obtained by applying an edge-defining process to the image of the surroundings.
    Type: Application
    Filed: May 13, 2022
    Publication date: November 17, 2022
    Applicant: Yanmar Power Technology Co., Ltd.
    Inventors: Yoshihisa Ishikawa, Hiroyuki Muraoka, Hiromu Nagata, Kotaro Matsuishi
  • Publication number: 20220154422
    Abstract: A pivoting work vehicle includes an engine, an exhaust gas treatment apparatus, and a hood. The exhaust gas treatment apparatus is configured to treat exhaust gas from the engine. The hood is configured to cover the engine and the exhaust gas treatment apparatus. The exhaust gas treatment apparatus includes a DPF device and an SCR device. The exhaust gas is treated first by the DPF device, then by the SCR device. The DPF device and SCR device are each disposed so that the lengthwise directions thereof lie along the vertical direction. The DPF device and SCR device are arranged side-by-side in a direction orthogonal to the vertical direction.
    Type: Application
    Filed: January 31, 2020
    Publication date: May 19, 2022
    Applicant: Yanmar Power Technology Co., Ltd.
    Inventor: Yoshihisa ISHIKAWA
  • Publication number: 20220144040
    Abstract: Provided is a construction machine with which it is possible to shorten a duct for an air conditioning device disposed in a driver's cab, and to secure space for disposing a hydraulic hose, a control valve and the like under the floor of the driver's cab. A hydraulic excavator 1 is provided with a cabin 6 covering an maneuvering unit 5, a turning frame 7 on which the cabin 6 is mounted, and an air conditioning device 8 for air conditioning the inside of the cabin 6, wherein: the turning frame 7 includes a cabin installation portion 7a in which the cabin 6 is installed; the cabin installation portion 7a includes a box-shaped right frame 72d having a first opening portion 731 and a second opening portion 732 that communicate with one another, and an air conditioned air discharge opening of the air conditioning device 8 communicates with the first opening portion 731.
    Type: Application
    Filed: February 26, 2020
    Publication date: May 12, 2022
    Applicant: YANMAR POWER TECHNOLOGY CO., LTD.
    Inventor: Yoshihisa ISHIKAWA
  • Publication number: 20220027097
    Abstract: There is provided a recording apparatus that records data to a memory card, comprising: a control unit configured to repeatedly transmit a data recording instruction that includes information designating recording target data and a recording destination to the memory card which manages a memory for data recording in the memory card as a plurality of recording areas and which can execute data recording with a guaranteed minimum recording speed in units of recording areas, wherein when transmitting a first data recording instruction that designates a start portion of a first recording area as a recording destination, the control unit requests the memory card to execute data recording with the guaranteed minimum recording speed with respect to the first recording area by including a speed guarantee request in the first data recording instruction.
    Type: Application
    Filed: October 12, 2021
    Publication date: January 27, 2022
    Inventors: Yasuhiro Shiraishi, Akio Fujii, Hiroshi Noda, Ryo Akamatsu, Tsutomu Ando, Hitoshi Kimura, Daisuke Nakajima, Toshifumi Nishiura, Naoki Yamagata, Yoshihisa Ishikawa
  • Publication number: 20150093930
    Abstract: A lead wire connection structure includes: a terminal including a terminal main body having a through hole, and a connection part extending from one end of the terminal main body; and a lead wire having one end connected to the connection part. Herein, a pair of elastic holding parts extending from both opposite side edges of the terminal main body holds both side surfaces of a nut. Moreover, an internal thread hole of the nut and the through hole are coaxially arranged. The lead wire connection structure is obtained at low manufacturing cost, that is, the lead wire connection structure is obtained in a short processing time at low material cost and manufacturing facility cost.
    Type: Application
    Filed: August 27, 2014
    Publication date: April 2, 2015
    Inventors: Yoshihisa Ishikawa, Takeshi Miyasaka, Yohei Tsukanaka
  • Patent number: 8911361
    Abstract: An endoscope apparatus includes a housing. The housing includes an upper portion provided with the display part, and a lower portion provided with the manipulating part and having the insertion part connected thereto, at least a portion of the back face of the lower portion is set so that the fundamental shape thereof is convex toward a proximal end portion of the insertion part, the convex portion is a grip face on which a user's fingers are arranged when the user holds the housing, and wherein the housing is held such that the thumb of one hand of a user is located at a distal end of a manipulating rod, the other fingers in the one hand of the user are located above and below the proximal end portion of the insertion part in the grip face, and the thumb and the other fingers face each other.
    Type: Grant
    Filed: April 24, 2012
    Date of Patent: December 16, 2014
    Assignee: Olympus Corporation
    Inventors: Yoichi Hosaka, Yoshihisa Ishikawa
  • Patent number: 8840544
    Abstract: An endoscope apparatus includes an insertion part having an imaging mechanism at a distal end portion and which is bendable and elongated; a display part which displays an image acquired by an imaging mechanism; a manipulating part which performs curving manipulation of the insertion part; and a housing which the display part and the manipulating part are provided to a front face thereof, and which connects the insertion part with a back face opposite to the front face. The housing is capable of being self-supported in a state where the edge of the back face at the display part, and a connecting portion between the insertion part and the housing are brought into contact with the ground.
    Type: Grant
    Filed: April 24, 2012
    Date of Patent: September 23, 2014
    Assignee: Olympus Corporation
    Inventors: Yoichi Hosaka, Yoshihisa Ishikawa
  • Publication number: 20140251780
    Abstract: A switching device including a movable member configured to swing around a fulcrum and having a movable contact, a sliding member of which a part slides on a surface of the movable member, an elastic member for supporting the sliding member so as to be slidable while the part remains abutted on the surface, and a fixed contact contacted with the movable contact, where the movable member swings by a sliding of the sliding member, thereby switching a contact and a noncontact of the movable contact and the fixed contact so as to switch a conduction and a break of an electricity, and where the sliding member is configured to rotate so that a deformation of the elastic member is maximum in a position of the part on the surface, the position being deviated to a side of the contact position compared to a straight line which connects the shaft and the fulcrum.
    Type: Application
    Filed: December 29, 2013
    Publication date: September 11, 2014
    Applicant: OMRON CORPORATION
    Inventors: Yoshihisa ISHIKAWA, Takeshi MIYASAKA, Toshinori YAMASUE
  • Patent number: 8829754
    Abstract: An alternator comprising a rotor having plural magnetic poles in the circumferential direction; and a stator whose teeth are disposed opposite to the periphery of the rotor, with an air gap interposed between the rotor and the stator, wherein the coil conductors are wound on the stator so that two stator magnetic poles may be formed by two coil units of a phase wound around stator teeth within the range of 360 electrical degrees subtended by the magnetic poles of the rotor; each of the two coil units forming the stator magnetic poles spans an electrical angle less than 180 electrical degrees; the two coil turns forming the two stator magnetic poles are laid out so that they may not overlap each other; and the coil conductors are so wound that the adjacent stator magnetic poles exhibit opposite magnetic polarities.
    Type: Grant
    Filed: November 15, 2012
    Date of Patent: September 9, 2014
    Assignee: Hitachi, Ltd.
    Inventors: Kenji Miyata, Yoshihisa Ishikawa
  • Patent number: 8795160
    Abstract: An endoscope apparatus includes an insertion part which has an imaging mechanism at a distal end portion and which is bendable and elongated; a display part which displays an image acquired by the imaging mechanism; a manipulating part which has a swinging body and which performs curving manipulation of the insertion part; and a housing which provides the display part and the manipulating part to a front face thereof, and which connects the insertion part with a back face opposite to the front face.
    Type: Grant
    Filed: April 24, 2012
    Date of Patent: August 5, 2014
    Assignee: Olympus Corporation
    Inventors: Yoichi Hosaka, Yoshihisa Ishikawa
  • Patent number: 8758230
    Abstract: An endoscope apparatus includes an insertion part which has an imaging mechanism at a distal end portion; a display part which displays an image acquired by an observation mechanism, a manipulating part which performs curving manipulation of the insertion part; and a housing which accommodates the display part and the manipulating part to a front face thereof, and which connects the insertion part with a back face opposite to the front face. The manipulating part has a swingable first joystick; and a curving mechanism having the first joystick and a manipulating member connected thereto. The swinging center of the first joystick is located inside a region specified by a portion where fingers are arranged in a side view of the housing when a user holds the housing, and by a distal end of the first joystick protruding toward the front face.
    Type: Grant
    Filed: April 24, 2012
    Date of Patent: June 24, 2014
    Assignee: Olympus Corporation
    Inventors: Yoichi Hosaka, Yoshihisa Ishikawa
  • Patent number: 8471428
    Abstract: A rotating electrical machine includes a rotor, in which a plurality of magnetic poles are provided in circumferential direction, and a stator, within which the rotor is disposed. In the stator, two stator magnetic poles are formed by winding coils of one phase and by a stator core of the stator within 360° of electrical angle defined by the magnetic poles of the rotor. The coils that form respective stator magnetic poles have angular widths in circumferential direction of less than 180° of electrical angle, the coils that form the respective two stator magnetic poles are provided so as not to mutually overlap and are wound so that adjacent ones of the stator magnetic poles have mutually opposite polarities, and, in the stator, each winding of each coil consists of an external bridge wire, a turn portion, an internal bridge wire, and a turn portion, in that order.
    Type: Grant
    Filed: July 29, 2010
    Date of Patent: June 25, 2013
    Assignee: Hitachi, Ltd.
    Inventors: Takashi Naganawa, Kenji Miyata, Takashi Ishigami, Yoshihisa Ishikawa
  • Publication number: 20130082564
    Abstract: An alternator for a vehicle includes: a rundel-type rotor including a cylindrical portion around which a field coil is wound, a pair of plate-shaped end plate portions which are arranged such that the end plate portions face both end surfaces of the cylindrical portion in the axial direction in an opposed manner, first claw portions which extend parallel to a rotary axis from one end plate portion, and second claw portions which extend parallel to the rotary axis from the other end plate portion, and a stator which is arranged on an outer peripheral side of the rotor with a rotary gap therebetween so as to face the rotor in an opposed manner, and has a laminated core on which an armature coil is wound. The between claw magnetic poles of the first and second claw portions is set to a optimum gap range to maximize output current.
    Type: Application
    Filed: May 31, 2010
    Publication date: April 4, 2013
    Applicant: HITACHI, LTD.
    Inventors: Yoshihisa Ishikawa, Kenji Miyata, Takayuki Koyama
  • Patent number: D728488
    Type: Grant
    Filed: March 24, 2014
    Date of Patent: May 5, 2015
    Assignee: OMRON Corporation
    Inventors: Yoshihisa Ishikawa, Takeshi Miyasaka, Yohei Tsukanaka
  • Patent number: D756420
    Type: Grant
    Filed: March 4, 2015
    Date of Patent: May 17, 2016
    Assignee: Yanmar Co., Ltd.
    Inventors: Kiyoyuki Okuyama, Satoshi Kitahara, Nagahiro Ogata, Tsuyoshi Nakahara, Yoshihisa Ishikawa
  • Patent number: D758457
    Type: Grant
    Filed: March 4, 2015
    Date of Patent: June 7, 2016
    Assignee: YANMAR CO., LTD.
    Inventors: Kiyoyuki Okuyama, Satoshi Kitahara, Nagahiro Ogata, Tsuyoshi Nakahara, Yoshihisa Ishikawa
  • Patent number: D762740
    Type: Grant
    Filed: March 4, 2015
    Date of Patent: August 2, 2016
    Assignee: Yanmar Co., Ltd.
    Inventors: Kiyoyuki Okuyama, Satoshi Kitahara, Nagahiro Ogata, Tsuyoshi Nakahara, Yoshihisa Ishikawa
  • Patent number: D766190
    Type: Grant
    Filed: November 17, 2014
    Date of Patent: September 13, 2016
    Assignee: OMRON CORPORATION
    Inventors: Yoshihisa Ishikawa, Takeshi Miyasaka, Yohei Tsukanaka