Patents by Inventor Kiyotaka Kanno
Kiyotaka Kanno 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).
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Publication number: 20250055354Abstract: A core member of a current detector includes an annular core having a magnetic gap, a first mold portion sealing a part of the core, and a second mold portion sealing the first mold portion, in which the first mold portion has a pair of pressing surfaces with the magnetic gap being interposed therebetween, and the pair of pressing surfaces are sealed by the second mold portion.Type: ApplicationFiled: February 21, 2022Publication date: February 13, 2025Applicant: HITACHI ASTEMO, LTD.Inventors: Kazushige KATAGIRI, Kiyotaka KANNO
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Patent number: 12087703Abstract: In a semiconductor device equipped with a current mirror circuit, a highly reliable semiconductor device capable of suppressing a change in a mirror ratio of the current mirror circuit over time is provided. A current mirror circuit that includes a first MOS transistor and a plurality of MOS transistors paired with the first MOS transistor, and a plurality of wiring layers formed on an upper layer of the MOS transistor are provided. The plurality of wiring layers are arranged such that wiring patterns have the same shape within a predetermined range from an end of a channel region of each of the first MOS transistor and the plurality of MOS transistors.Type: GrantFiled: November 27, 2019Date of Patent: September 10, 2024Assignee: Hitachi Astemo, Ltd.Inventors: Katsumi Ikegaya, Takayuki Oshima, Yoichiro Kobayashi, Masato Kita, Keishi Komoriyama, Minoru Migita, Yu Kawagoe, Kiyotaka Kanno
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Patent number: 11942852Abstract: An object of the present invention is to obtain good electrical connection with respect to an insertion-side terminal having a large variation in a position. An energizing terminal assembly according to the present invention includes: a first energizing terminal 59 which constitutes an accommodation-side terminal of a press-fit type connector and has a sandwiching portion 59D; and a second energizing terminal which constitutes an insertion-side terminal of the press-fit type connector and is inserted into the sandwiching portion 59D to be sandwiched by the sandwiching portion 59D, wherein the sandwiching portion 59D has a groove-shaped portion 59E whose width dimension W and depth dimension D1 decrease from an inlet side of the second energizing terminal in an insertion direction toward a deep side of the second energizing terminal in the insertion direction.Type: GrantFiled: March 20, 2019Date of Patent: March 26, 2024Assignee: Hitachi Astemo, Ltd.Inventors: Haruaki Motoda, Kiyotaka Kanno
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Patent number: 11932324Abstract: An object of the present invention is to provide an electric power steering apparatus having a wiring structure effective for simplification. A power supply circuit board 23, a power conversion circuit board 24, and a control circuit board 25 are stacked and disposed in three stages in which the power supply circuit board 23 is disposed in a middle with a first flexible portion 34 and a second flexible portion 35 as a bend portion. A power supply circuit board connection terminal 42B and a control circuit board connection terminal 52B provided in a connector terminal assembly are electrically connected to a receiving terminal 42C of the power supply circuit board 23 and a receiving terminal 52C of the control circuit board 25, respectively, by being inserted and press-fitted thereinto.Type: GrantFiled: April 17, 2019Date of Patent: March 19, 2024Assignee: Hitachi Astemo, Ltd.Inventors: Kiyotaka Kanno, Haruaki Motoda
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Patent number: 11751325Abstract: A substrate for a medical device, a portion of which is brought into contact with or inserted into a subject. The substrate includes a patient circuit conductively connected to the portion that is configured to be brought into contact with or inserted into the subject, and a ground-side circuit configured to perform at least one of transmission of a signal, reception of a signal, and supply of electric power on the patient circuit. The ground-side circuit is grounded by a protective ground to ensure safety of a manipulator of the medical device. The substrate also includes an insulating layer between the patient circuit and the ground-side circuit providing insulation between the patient circuit and the ground-side circuit, and an isolated circuit provided apart from the patient circuit and the ground-side circuit on the insulating layer and having a different reference potential from the patient circuit and the ground-side circuit.Type: GrantFiled: July 14, 2020Date of Patent: September 5, 2023Assignee: Sony Olympus Medical Solutions Inc.Inventor: Kiyotaka Kanno
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Patent number: 11587951Abstract: Provided are a semiconductor device having small characteristic variations with time and high reliability and an in-vehicle control device using the same, the semiconductor device including a plurality of transistor elements constituting a current mirror circuit or a differential amplifier circuit that requires high relative accuracy.Type: GrantFiled: April 23, 2019Date of Patent: February 21, 2023Assignee: HITACHI ASTEMO, LTD.Inventors: Takayuki Oshima, Katsumi Ikegaya, Masato Kita, Keishi Komoriyama, Kiyotaka Kanno, Shinichirou Wada
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Patent number: 11399701Abstract: A receptacle module for detachably connecting a connector of a distal end device coming into contact with or inserted into a subject includes: a receptacle substrate including a first surface on which a receptacle to which the connector is detachably connected is mounted, and a second surface on an opposite side of the first surface; a patient circuit unit conducted to the distal end device via the receptacle; and a conductive shielding member mounted on the second surface and configured to shield the patient circuit unit from the opposite side.Type: GrantFiled: January 28, 2019Date of Patent: August 2, 2022Assignee: SONY OLYMPUS MEDICAL SOLUTIONS INC.Inventors: Tatsuya Nakanishi, Kiyotaka Kanno, Yuichi Yamada
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Publication number: 20220020702Abstract: In a semiconductor device equipped with a current mirror circuit, a highly reliable semiconductor device capable of suppressing a change in a mirror ratio of the current mirror circuit over time is provided. A current mirror circuit that includes a first MOS transistor and a plurality of MOS transistors paired with the first MOS transistor, and a plurality of wiring layers formed on an upper layer of the MOS transistor are provided. The plurality of wiring layers are arranged such that wiring patterns have the same shape within a predetermined range from an end of a channel region of each of the first MOS transistor and the plurality of MOS transistors.Type: ApplicationFiled: November 27, 2019Publication date: January 20, 2022Inventors: Katsumi IKEGAYA, Takayuki OSHIMA, Yoichiro KOBAYASHI, Masato KITA, Keishi KOMORIYAMA, Minoru MIGITA, Yu KAWAGOE, Kiyotaka KANNO
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Publication number: 20210233935Abstract: Provided are a semiconductor device having small characteristic variations with time and high reliability and an in-vehicle control device using the same, the semiconductor device including a plurality of transistor elements constituting a current mirror circuit or a differential amplifier circuit that requires high relative accuracy.Type: ApplicationFiled: April 23, 2019Publication date: July 29, 2021Applicant: Hitachi Automotive Systems, Ltd.Inventors: Takayuki OSHIMA, Katsumi IKEGAYA, Masato KITA, Keishi KOMORIYAMA, Kiyotaka KANNO, Shinichirou WADA
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Publication number: 20210221426Abstract: An object of the present invention is to provide an electric power steering apparatus having a wiring structure effective for simplification. A power supply circuit board 23, a power conversion circuit board 24, and a control circuit board 25 are stacked and disposed in three stages in which the power supply circuit board 23 is disposed in a middle with a first flexible portion 34 and a second flexible portion 35 as a bend portion. A power supply circuit board connection terminal 42B and a control circuit board connection terminal 52B provided in a connector terminal assembly are electrically connected to a receiving terminal 42C of the power supply circuit board 23 and a receiving terminal 52C of the control circuit board 25, respectively, by being inserted and press-fitted thereinto.Type: ApplicationFiled: April 17, 2019Publication date: July 22, 2021Applicant: Hitachi Automotive Systems, Ltd.Inventors: Kiyotaka KANNO, Haruaki MOTODA
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Publication number: 20210218312Abstract: An object of the present invention is to obtain good electrical connection with respect to an insertion-side terminal having a large variation in a position. An energizing terminal assembly according to the present invention includes: a first energizing terminal 59 which constitutes an accommodation-side terminal of a press-fit type connector and has a sandwiching portion 59D; and a second energizing terminal which constitutes an insertion-side terminal of the press-fit type connector and is inserted into the sandwiching portion 59D to be sandwiched by the sandwiching portion 59D, wherein the sandwiching portion 59D has a groove-shaped portion 59E whose width dimension W and depth dimension D1 decrease from an inlet side of the second energizing terminal in an insertion direction toward a deep side of the second energizing terminal in the insertion direction.Type: ApplicationFiled: March 20, 2019Publication date: July 15, 2021Applicant: Hitachi Automotive Systems, Ltd.Inventors: Haruaki MOTODA, Kiyotaka KANNO
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Patent number: 10849485Abstract: An endoscope device includes: an endoscope configured to retrieve a subject image in a subject from a tip end, and output the subject image from an eyepiece unit; and a camera head including a mounting unit detachably connected to the eyepiece unit, and configured to pick up the subject image. The eyepiece unit and the mounting unit are connected with each other so as to be able to relatively rotate the endoscope and the camera head around an insertion axis. The eyepiece unit includes an endoscope side terminal. The mounting unit includes a head side terminal that feeds power to the endoscope from the camera head. One of the endoscope side terminal and the head side terminal includes at least three terminals disposed on a virtual circle around the insertion axis, and the other includes at least two terminals disposed on the virtual circle.Type: GrantFiled: February 15, 2018Date of Patent: December 1, 2020Assignee: SONY OLYMPUS MEDICAL SOLUTIONS INC.Inventors: Kohtaro Amano, Kiyotaka Kanno
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Publication number: 20200343621Abstract: A substrate for a medical device, a portion of which is brought into contact with or inserted into a subject. The substrate includes a patient circuit conductively connected to the portion that is configured to be brought into contact with or inserted into the subject, and a ground-side circuit configured to perform at least one of transmission of a signal, reception of a signal, and supply of electric power on the patient circuit. The ground-side circuit is grounded by a protective ground to ensure safety of a manipulator of the medical device. The substrate also includes an insulating layer between the patient circuit and the ground-side circuit providing insulation between the patient circuit and the ground-side circuit, and an isolated circuit provided apart from the patient circuit and the ground-side circuit on the insulating layer and having a different reference potential from the patient circuit and the ground-side circuit.Type: ApplicationFiled: July 14, 2020Publication date: October 29, 2020Applicant: Sony Olympus Medical Solutions Inc.Inventor: Kiyotaka KANNO
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Patent number: 10749244Abstract: A substrate for a medical device, a portion of which is brought into contact with or inserted into a subject. The substrate includes a patient circuit conductively connected to the portion that is configured to be brought into contact with or inserted into the subject, and a ground-side circuit configured to perform at least one of transmission of a signal, reception of a signal, and supply of electric power on the patient circuit. The ground-side circuit is grounded by a protective ground to ensure safety of a manipulator of the medical device. The substrate also includes an insulating layer between the patient circuit and the ground-side circuit providing insulation between the patient circuit and the ground-side circuit, and an isolated circuit provided apart from the patient circuit and the ground-side circuit on the insulating layer and having a different reference potential from the patient circuit and the ground-side circuit.Type: GrantFiled: August 19, 2015Date of Patent: August 18, 2020Assignee: SONY OLYMPUS MEDICAL SOLUTIONS INC.Inventor: Kiyotaka Kanno
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Publication number: 20190269303Abstract: A receptacle module for detachably connecting a connector of a distal end device coming into contact with or inserted into a subject includes: a receptacle substrate including a first surface on which a receptacle to which the connector is detachably connected is mounted, and a second surface on an opposite side of the first surface; a patient circuit unit conducted to the distal end device via the receptacle; and a conductive shielding member mounted on the second surface and configured to shield the patient circuit unit from the opposite side.Type: ApplicationFiled: January 28, 2019Publication date: September 5, 2019Applicant: Sony Olympus Medical Solutions Inc.Inventors: Tatsuya NAKANISHI, Kiyotaka KANNO, Yuichi YAMADA
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Patent number: 10238012Abstract: An electronic control device is provided with a resin base, a substrate, and a resin cover. The resin base has at least one opening part. The resin cover formed in a cylindrical shape with a bottom is fixed on an inner surface of the resin base forming the opening part. The resin cover has a slit. The substrate has a card edge connector to be inserted into the slit. An electronic component is mounted on the substrate.Type: GrantFiled: October 1, 2014Date of Patent: March 19, 2019Assignee: HITACHI AUTOMOTIVE SYSTEMS, LTDInventors: Yoshinori Wakana, Masaru Kamoshida, Takeshi Igarashi, Kiyotaka Kanno
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Patent number: 10225939Abstract: Depending on the orientation by which a breathing filter is mounted in a vehicle, water can accumulate in the breathing filter, and prevent the pressure difference between the space inside a case and the outside air from being adjusted; therefore, the vehicular layout is limited. Also, because the filter is formed in the center of the case, electronic parts cannot be installed on substrates on the upper and lower surfaces of the filter, meaning that the substrate size and the case size will increase. In addition, the costs will increase. The structure of the present invention is characterized in that breathing paths are provided on the surfaces sandwiching a portion where a filter film is welded in the corner of a resin-side case of a vehicle-mounted electronic control device such as an engine control unit or an automatic transmission control unit, and in that the breathing paths are connected inside.Type: GrantFiled: January 10, 2018Date of Patent: March 5, 2019Assignee: HITACHI AUTOMOTIVE SYSTEMS, LTD.Inventors: Hitoshi Furudate, Kiyotaka Kanno, Yoshio Kawai, Yoshiyasu Negishi, Takayuki Fukuzawa
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Publication number: 20180256016Abstract: An endoscope device includes: an endoscope configured to retrieve a subject image in a subject from a tip end, and output the subject image from an eyepiece unit; and a camera head including a mounting unit detachably connected to the eyepiece unit, and configured to pick up the subject image. The eyepiece unit and the mounting unit are connected with each other so as to be able to relatively rotate the endoscope and the camera head around an insertion axis. The eyepiece unit includes an endoscope side terminal. The mounting unit includes a head side terminal that feeds power to the endoscope from the camera head. One of the endoscope side terminal and the head side terminal includes at least three terminals disposed on a virtual circle around the insertion axis, and the other includes at least two terminals disposed on the virtual circle.Type: ApplicationFiled: February 15, 2018Publication date: September 13, 2018Applicant: Sony Olympus Medical Solutions Inc.Inventors: Kohtaro AMANO, Kiyotaka Kanno
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Patent number: 10070773Abstract: In a medical device that includes a tip-side device to be brought into contact with or inserted into an object to be observed and a root end-side device connected to the tip-side device, the leakage of radiation noise generated in the root end-side device to the outside and the entry of disturbance noise into the root end-side device are prevented. A connection structure includes a plug provided at a root end of a tip-side device, and a receptacle provided in the root end-side device and configured to hold the plug by insertion. At least one of the plug and the receptacle contains an electrically non-conductive magnetic material in a portion crossing an opening formed in the outer casing in a state where the plug is inserted in the receptacle.Type: GrantFiled: October 27, 2015Date of Patent: September 11, 2018Assignee: Sony Olympus Medical Solutions Inc.Inventor: Kiyotaka Kanno
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Publication number: 20180132366Abstract: Depending on the orientation by which a breathing filter is mounted in a vehicle, water can accumulate in the breathing filter, and prevent the pressure difference between the space inside a case and the outside air from being adjusted; therefore, the vehicular layout is limited. Also, because the filter is formed in the center of the case, electronic parts cannot be installed on substrates on the upper and lower surfaces of the filter, meaning that the substrate size and the case size will increase. In addition, the costs will increase. The structure of the present invention is characterized in that breathing paths are provided on the surfaces sandwiching a portion where a filter film is welded in the corner of a resin-side case of a vehicle-mounted electronic control device such as an engine control unit or an automatic transmission control unit, and in that the breathing paths are connected inside.Type: ApplicationFiled: January 10, 2018Publication date: May 10, 2018Applicant: Hitachi Automotive Systems, Ltd.Inventors: Hitoshi FURUDATE, Kiyotaka KANNO, Yoshio KAWAI, Yoshiyasu NEGISHI, Takayuki FUKUZAWA