Patents by Inventor Hiroyuki Hirano
Hiroyuki Hirano 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: 20210365553Abstract: To provide a control device capable of minimizing side-channel leaks that can be generated before completion of an analog-to-digital conversion by a PUF implemented as a physical parameter and making attacks difficult. The control device provided includes a device unit that has regularly arranged analog devices such as pixel array, and a readout control unit that executes readouts that are a mixture of a real PUF readout (first readout) that generates unique information for the device unit and a dummy PUF readout (second readout) that does not generate unique information for the device.Type: ApplicationFiled: October 26, 2018Publication date: November 25, 2021Inventor: HIROYUKI HIRANO
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Patent number: 11125785Abstract: A sensor is provided with a magnetic detection element that can output an output voltage within a predetermined voltage range according to a magnetic field intensity, an output voltage fixing part that can fix a voltage value of the output voltage to a voltage value outside the voltage range, and a drive voltage output part that can output a drive voltage for driving the output voltage fixing part. The drive voltage fixing part outputs the drive voltage to the output voltage fixing part when the ambient temperature of the drive voltage output part exceeds a predetermined threshold, and when triggered by input of the drive voltage, the output voltage fixing part fixes the voltage value of the output voltage to a voltage value outside the voltage range.Type: GrantFiled: December 19, 2018Date of Patent: September 21, 2021Assignee: TDK CorporationInventors: Teiichiro Oka, Hiroyuki Hirano, Mikio Sumiyoshi, Makoto Takahashi
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Publication number: 20210263077Abstract: A current sensor that is less affected by the residual magnetization is provided. A current sensor of the present invention has a magnetic circuit that is magnetized by electric current; a first magnetic field detecting element that is positioned where a magnetic field, when the electric current is present, is directed in a same direction as a magnetic field that is caused by residual magnetization of the magnetic circuit when the electric current is not present; and a second magnetic field detecting element that is positioned where a magnetic field, when the electric current is present, is directed opposite to a direction of a magnetic field that is caused by residual magnetization of the magnetic circuit when the electric current is not present.Type: ApplicationFiled: January 22, 2021Publication date: August 26, 2021Inventors: Hiroyuki HIRANO, Makoto Takahashi, Ryoichi Menju, Teiichiro Oka
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Patent number: 11099033Abstract: A position detection system includes a first magnet, a first soft ferromagnetic member, and a magnetic detector. The first magnet is magnetized in a first direction and generates a first magnetic field including a first magnetic line. The first soft ferromagnetic member is rectilinearly movable along a second direction and includes a first outer edge having a first outer edge part remote from the first magnet by a first distance in a third direction and a second outer edge part remote from the first magnet by a second distance in the third direction. The first and second outer edge parts are disposed at different positions in the second direction. The magnetic detector is kept at a predetermined constant position relative to the first magnet. The first magnetic line passes through the magnetic detector in the first direction when the first soft ferromagnetic member is at rest.Type: GrantFiled: August 21, 2019Date of Patent: August 24, 2021Assignee: TDK CORPORATIONInventors: Hiroyuki Hirano, Teiichiro Oka, Yosuke Antoku
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Publication number: 20210184544Abstract: A driver for motors according to the present invention is provided with: an aluminum substrate (10) which forms one surface of a housing; an insulating layer (11) which is formed on a surface of the aluminum substrate (10); a plurality of electronic elements (13) which are bonded onto a surface of the insulating layer (11), said surface being on a side opposite to the aluminum substrate (10); and a resin member (14) that covers the surface onto which the electronic elements (13) are bonded. This driver for motors is characterized in that the resin member (14) is obtained by integrating a mold resin part (20) which covers the electronic elements (13) from the upper surface side, a connector (21) which is electrically connected to the electronic elements (13), and a fitting part (22) which is used for fitting to a motor.Type: ApplicationFiled: March 8, 2019Publication date: June 17, 2021Applicant: MITSUBA CorporationInventors: Tomoya IKARIYA, Takahiko OGANE, Fumiaki KOSHIO, Hiroyuki HIRANO
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Patent number: 10957487Abstract: A multilayer ceramic capacitor includes a laminated body including dielectric layers and internal electrodes alternately laminated, and an external electrode provided on the surface of the laminated body and connected to the internal electrodes. The internal electrode includes a facing electrode portion facing another internal electrode with the dielectric layer provided therebetween, and an extended electrode portion extended from the facing electrode portion to the surface of the laminated body and connected to the external electrode. At least one layer of the internal electrodes includes a bent portion in the extended electrode portion. The distance between extended electrode portions adjacent to each other in the lamination direction narrows from the end portion of the facing electrode portion toward the bent portion, and widens from the bent portion toward the end portion of the extended electrode portion on the external electrode side.Type: GrantFiled: November 7, 2019Date of Patent: March 23, 2021Assignee: MURATA MANUFACTURING CO., LTD.Inventors: Akira Ishizuka, Hiroyuki Hirano, Takatoshi Sueto, Masatoshi Yanagihara
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Patent number: 10877108Abstract: A sensor intermediate part is provided with a physical quantity detection element that has a power source terminal, a ground terminal and an output terminal that outputs a desired output signal, where the physical quantity detection element is capable of adjusting properties of the output signal; a high-capacitance capacitor, which has at least a first terminal and a second terminal, and a jumper wire, one end of which is conducted to either the power source terminal or the second terminal and the other end of which is not conducted. The first terminal is conducted to the ground terminal, and the power source terminal and the second terminal are configured to be electrically connectable by the jumper wire.Type: GrantFiled: July 30, 2020Date of Patent: December 29, 2020Assignee: TDK CorporationInventors: Teiichiro Oka, Hiroyuki Hirano, Mikio Sumiyoshi, Makoto Takahashi
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Publication number: 20200355756Abstract: A sensor intermediate part is provided with a physical quantity detection element that has a power source terminal, a ground terminal and an output terminal that outputs a desired output signal, where the physical quantity detection element is capable of adjusting properties of the output signal; a high-capacitance capacitor, which has at least a first terminal and a second terminal, and a jumper wire, one end of which is conducted to either the power source terminal or the second terminal and the other end of which is not conducted. The first terminal is conducted to the ground terminal, and the power source terminal and the second terminal are configured to be electrically connectable by the jumper wire.Type: ApplicationFiled: July 30, 2020Publication date: November 12, 2020Inventors: Teiichiro OKA, Hiroyuki HIRANO, Mikio SUMIYOSHI, Makoto TAKAHASHI
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Patent number: 10794967Abstract: A sensor intermediate part is provided with a physical quantity detection element that has a power source terminal, a ground terminal and an output terminal that outputs a desired output signal, where the physical quantity detection element is capable of adjusting properties of the output signal; a high-capacitance capacitor, which has at least a first terminal and a second terminal, and a jumper wire, one end of which is conducted to either the power source terminal or the second terminal and the other end of which is not conducted. The first terminal is conducted to the ground terminal, and the power source terminal and the second terminal are configured to be electrically connectable by the jumper wire.Type: GrantFiled: December 17, 2018Date of Patent: October 6, 2020Assignee: TDK CorporationInventors: Teiichiro Oka, Hiroyuki Hirano, Mikio Sumiyoshi, Makoto Takahashi
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Publication number: 20200310584Abstract: A wiring body includes: a first resin portion; and a first linear conductor portion disposed on the first resin portion. The first linear conductor portion includes a first end surface at a tip end of the first linear conductor portion in a first extending direction of the first linear conductor portion, and Expression (1) is satisfied: W1/T1?1 . . . (1), where, W1 is a first length obtained by projecting the first end surface on a plane parallel to the first extending direction, and T1 is a height of the first linear conductor portion.Type: ApplicationFiled: March 30, 2017Publication date: October 1, 2020Applicant: FUJIKURA LTD.Inventors: Hiroyuki Hirano, Shingo Ogura
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Publication number: 20200300941Abstract: A rotational angle detection device includes a magnet with n pole pairs (where n?3) provided to be integrally rotatable with a rotating body; magnetic detection parts including first and second magnetic detection parts; a corrected signal generation part generating first and second corrected signals; and a rotational angle detection part detecting the rotational angle of the rotating body based on the first and second corrected signals. The waveform of the first and second detection signals have a phase difference of 90° from each other. The corrected signal generation part adds the first sensor signals and adds the second sensor signals. The region at the perimeter of the magnet includes first through nth regions, and at least two of the first and second magnetic sensor parts are positioned in different regions from each other among the first through nth regions.Type: ApplicationFiled: January 23, 2020Publication date: September 24, 2020Inventors: Yosuke ANTOKU, Hiroyuki HIRANO, Teiichiro OKA
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Publication number: 20200240762Abstract: A position detection apparatus includes a magnetic unit and a sensor. The magnetic unit includes a magnetic member and a retainer. The magnetic member includes a magnet and a first magnetic yoke. The magnet extends in an axial direction and has a cross-section orthogonal to the axial direction, and a first maximum outer diameter in a radial direction orthogonal to the axial direction. The cross-section has a substantially constant area in the axial direction. The first magnetic yoke is disposed adjacent to the magnet in the axial direction and has a second maximum outer diameter in the radial direction. The second maximum outer diameter is greater than the first maximum outer diameter. The retainer extends in the axial direction and retains the magnetic member. The sensor detects a magnetic field that changes in association with a movement of the magnetic unit along the axial direction.Type: ApplicationFiled: January 16, 2020Publication date: July 30, 2020Applicant: TDK CORPORATIONInventors: Hiroyuki HIRANO, Teiichiro OKA, Seiji FUKUOKA
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Publication number: 20200152385Abstract: A multilayer ceramic capacitor includes a laminated body including dielectric layers and internal electrodes alternately laminated, and an external electrode provided on the surface of the laminated body and connected to the internal electrodes. The internal electrode includes a facing electrode portion facing another internal electrode with the dielectric layer provided therebetween, and an extended electrode portion extended from the facing electrode portion to the surface of the laminated body and connected to the external electrode. At least one layer of the internal electrodes includes a bent portion in the extended electrode portion. The distance between extended electrode portions adjacent to each other in the lamination direction narrows from the end portion of the facing electrode portion toward the bent portion, and widens from the bent portion toward the end portion of the extended electrode portion on the external electrode side.Type: ApplicationFiled: November 7, 2019Publication date: May 14, 2020Inventors: Akira ISHIZUKA, Hiroyuki HIRANO, Takatoshi SUETO, Masatoshi YANAGIHARA
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Publication number: 20200064156Abstract: A position detection system includes a first magnet, a first soft ferromagnetic member, and a magnetic detector. The first magnet is magnetized in a first direction and generates a first magnetic field including a first magnetic line. The first soft ferromagnetic member is rectilinearly movable along a second direction and includes a first outer edge having a first outer edge part remote from the first magnet by a first distance in a third direction and a second outer edge part remote from the first magnet by a second distance in the third direction. The first and second outer edge parts are disposed at different positions in the second direction. The magnetic detector is kept at a predetermined constant position relative to the first magnet. The first magnetic line passes through the magnetic detector in the first direction when the first soft ferromagnetic member is at rest.Type: ApplicationFiled: August 21, 2019Publication date: February 27, 2020Applicant: TDK CORPORATIONInventors: Hiroyuki HIRANO, Teiichiro OKA, Yosuke ANTOKU
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Publication number: 20190327829Abstract: A stretchable board includes: a substrate having a stretching property; and a conductor portion provided on the substrate, wherein the conductor portion comprises: conductor wires intersecting with each other; and an opening surrounded by the conductor wires.Type: ApplicationFiled: February 6, 2017Publication date: October 24, 2019Applicant: Fujikura Ltd.Inventors: Shingo OGURA, Tatsuo SUEMASU, Hiroyuki HIRANO, Masaaki ISHI
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Patent number: 10421255Abstract: There is provided an interlayer film for laminated glass with which the HIC can be effectively lowered. The interlayer film for laminated glass according to the present invention includes a thermoplastic resin and a plasticizer, and when the interlayer film is sandwiched between two sheets of clear glass in accordance with JIS R3202 to obtain a sheet of laminated glass, the flexural modulus at 23° C. of the resulting sheet of laminated glass is 5000 MPa or more and 10000 MPa or less.Type: GrantFiled: September 30, 2015Date of Patent: September 24, 2019Assignee: SEKISUI CHEMICAL CO., LTD.Inventors: Hiroyuki Hirano, Yuji Uchimura, Shougo Yoshida, Akira Mizumori
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Publication number: 20190271601Abstract: A sensor is provided with a magnetic detection element that can output an output voltage within a predetermined voltage range according to a magnetic field intensity, an output voltage fixing part that can fix a voltage value of the output voltage to a voltage value outside the voltage range, and a drive voltage output part that can output a drive voltage for driving the output voltage fixing part. The drive voltage fixing part outputs the drive voltage to the output voltage fixing part when the ambient temperature of the drive voltage output part exceeds a predetermined threshold, and when triggered by input of the drive voltage, the output voltage fixing part fixes the voltage value of the output voltage to a voltage value outside the voltage range.Type: ApplicationFiled: December 19, 2018Publication date: September 5, 2019Inventors: Teiichiro OKA, Hiroyuki HIRANO, Mikio SUMIYOSHI, Makoto TAKAHASHI
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Publication number: 20190187224Abstract: A sensor intermediate part is provided with a physical quantity detection element that has a power source terminal, a ground terminal and an output terminal that outputs a desired output signal, where the physical quantity detection element is capable of adjusting properties of the output signal; a high-capacitance capacitor, which has at least a first terminal and a second terminal, and a jumper wire, one end of which is conducted to either the power source terminal or the second terminal and the other end of which is not conducted. The first terminal is conducted to the ground terminal, and the power source terminal and the second terminal are configured to be electrically connectable by the jumper wire.Type: ApplicationFiled: December 17, 2018Publication date: June 20, 2019Inventors: Teiichiro OKA, Hiroyuki HIRANO, Mikio SUMIYOSHI, Makoto TAKAHASHI
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Patent number: 10215588Abstract: A position detecting device includes a first bias magnet and a second bias magnet and a detecting element configured to detect a direction of a magnetic field generated by the first magnet and the second magnet. The first magnet and the second magnet are disposed with magnetic poles thereof having the same polarity arranged opposing each other. The direction of the magnetic field detected by the detecting element changes when an object to be detected D moves in an opposing direction between the first magnet and the second magnet.Type: GrantFiled: April 13, 2016Date of Patent: February 26, 2019Assignee: TDK CORPORATIONInventors: Hiroyuki Hirano, Seiji Fukuoka, Toshihiko Oyama, Takahiro Moriya, Kaoru Narita
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Publication number: 20170297309Abstract: There is provided a resin film for bonding glass plate members with which, when bonded to a glass plate, breakage of the resulting glass plate-containing laminate due to impact can be suppressed. The resin film for bonding glass plate members according to the present invention is a resin film bonded to a glass plate to be used and includes a thermoplastic resin and a plasticizer, and the tensile elongation at 25° C. under a stress load of 50 N is 120 mm or more in a tensile test in accordance with JIS K7113.Type: ApplicationFiled: September 30, 2015Publication date: October 19, 2017Inventors: Shougo Yoshida, Yuji Uchimura, Akira Mizumori, Hiroyuki Hirano