Patents by Inventor Naoto Ikeda
Naoto Ikeda 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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Patent number: 9673866Abstract: A communication system includes a first communication device that operates using a battery as a main power source and a second communication device that communicates with the first communication device. The second communication device includes a second high-speed data communication unit including a second data communication antenna and a second short-range communication unit including a second magnetic-field antenna for short-range communication. The first communication device includes a first short-range communication unit including a first magnetic-field antenna and a first high-speed data communication unit including a first data communication antenna. When an electromotive voltage of the battery lowers, switches are turned OFF and electric power from a power conversion circuit including a rectifying circuit and a DC-to-DC converter is supplied to a communication controller.Type: GrantFiled: March 14, 2016Date of Patent: June 6, 2017Assignee: MURATA MANUFACTURING CO., LTD.Inventor: Naoto Ikeda
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Patent number: 9672970Abstract: An inductor bridge is configured to bridge-connect a first circuit and a second circuit to each other, and includes a flexible flat plate base body, a first connector at a first end portion of the base body and connected to the first circuit, a second connector at a second end portion of the base body and connected to the second circuit, and an inductor section in the base body between the first connector and the second connector. The inductor section includes conductor patterns including a plurality of layers. The inductor bridge further includes a bending portion between the inductor section and the first connector, and a slot at an inner side of the bending portion that reduces a thickness of the base body.Type: GrantFiled: July 31, 2015Date of Patent: June 6, 2017Assignee: MURATA MANUFACTURING CO., LTD.Inventors: Kuniaki Yosui, Noboru Kato, Nobuo Ikemoto, Naoto Ikeda, Yuki Wakabayashi
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Patent number: 9666352Abstract: An inductor bridge is provided with a flexible flat plate-shaped element body, a first connector, and a second connector. The element body includes therein an inductor portion. The inductor portion is configured by a spiral conductor pattern. The first connector is provided on the element body and is connected to a first circuit. The second connector is provided on the element body and is connected to a second circuit.Type: GrantFiled: June 24, 2015Date of Patent: May 30, 2017Assignee: MURATA MANUFACTURING CO., LTD.Inventors: Kuniaki Yosui, Noboru Kato, Yuki Wakabayashi, Bunta Okamoto, Naoto Ikeda, Takeshi Kurihara
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Publication number: 20170125156Abstract: An inductor bridge is configured to bridge-connect a first circuit and a second circuit to each other, and includes a flexible flat plate base body, a first connector at a first end portion of the base body and connected to the first circuit, a second connector at a second end portion of the base body and connected to the second circuit, and an inductor section in the base body between the first connector and the second connector. The inductor section includes conductor patterns including a plurality of layers. The inductor bridge further includes a bending portion between the inductor section and the first connector, and a slot at an inner side of the bending portion that reduces a thickness of the base body.Type: ApplicationFiled: January 18, 2017Publication date: May 4, 2017Inventors: Kuniaki YOSUI, Noboru KATO, Nobuo IKEMOTO, Naoto IKEDA, Yuki WAKABAYASHI
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Patent number: 9597896Abstract: A handheld recording device includes a recording head, at least two navigation sensors arranged at a predetermined mounting distance, a timing generating circuit to generate a timing signal while the recording device is scanning a recording medium, a controller to determine position information of the recording device, and a drive circuit to drive the recording head to eject ink to perform recording on the recording medium using the position information. The controller reads output values of the two navigation sensors every time the timing signal is generated, determines whether the output values include noise, removes noise from the output values when it is determined that at least one of the output values includes noise, and calculates an amount of movement of the recording head to determine the position information based on the output values from which noise has been removed.Type: GrantFiled: January 8, 2016Date of Patent: March 21, 2017Assignee: RICOH COMPANY, LTD.Inventor: Naoto Ikeda
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Publication number: 20160358624Abstract: [Object] To prevent the occurrence of stuck without increasing the number of components and also to restore thread engagement of a rack with a lead screw to a normal condition. [Solution] Provided is an optical pickup including: a light source; an objective lens; an optical element; and an optical element driving device.Type: ApplicationFiled: November 11, 2014Publication date: December 8, 2016Inventors: Takaharu SUZUKI, Hiroshi IKUTA, Naoto IKEDA, Masamichi FURUICHI
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Publication number: 20160351514Abstract: A wireless IC device includes an element body including first and second principal surfaces, an RFIC element buried in the element body, and an antenna coil disposed in the element body. The antenna coil includes a first wiring pattern provided on the second principal surface, a first metal pin reaching the first principal surface and the second principal surface, a second metal pin reaching the first principal surface and the second principal surface, and a second wiring pattern provided on the first principal surface. Terminal surfaces of the first input/output terminal and the second input/output terminal of the RFIC element face the second principal surface of the element body and are spaced away from the antenna coil while being connected to the first wiring pattern through first and second conductors extending from the second principal surface of the element body in a direction of the first primary surface.Type: ApplicationFiled: August 11, 2016Publication date: December 1, 2016Inventors: Naoto IKEDA, Shunji MANDAI, Yoichi SAITO
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Publication number: 20160214375Abstract: A handheld recording device includes a recording head, at least two navigation sensors arranged at a predetermined mounting distance, a timing generating circuit to generate a timing signal while the recording device is scanning a recording medium, a controller to determine position information of the recording device, and a drive circuit to drive the recording head to eject ink to perform recording on the recording medium using the position information. The controller reads output values of the two navigation sensors every time the timing signal is generated, determines whether the output values include noise, removes noise from the output values when it is determined that at least one of the output values includes noise, and calculates an amount of movement of the recording head to determine the position information based on the output values from which noise has been removed.Type: ApplicationFiled: January 8, 2016Publication date: July 28, 2016Applicant: RICOH COMPANY, LTD.Inventor: Naoto Ikeda
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Publication number: 20160197649Abstract: A communication system includes a first communication device that operates using a battery as a main power source and a second communication device that communicates with the first communication device. The second communication device includes a second high-speed data communication unit including a second data communication antenna and a second short-range communication unit including a second magnetic-field antenna for short-range communication. The first communication device includes a first short-range communication unit including a first magnetic-field antenna and a first high-speed data communication unit including a first data communication antenna. When an electromotive voltage of the battery lowers, switches are turned OFF and electric power from a power conversion circuit including a rectifying circuit and a DC-to-DC converter is supplied to a communication controller.Type: ApplicationFiled: March 14, 2016Publication date: July 7, 2016Inventor: Naoto IKEDA
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Patent number: 9382690Abstract: An engine unit mounted to a vehicle frame, the engine unit includes: an engine; an engine support mechanism to be coupled to the vehicle frame, with at least one vibration absorbing mechanism disposed on each of both sides of the engine in an orthogonal direction to a crankshaft of the engine, to support the engine; an aftertreatment device to purify exhaust gas emitted from the engine; a base bracket provided to the engine support mechanism; and an upper bracket detachably fixed and mounted to the base bracket, the upper bracket supporting the aftertreatment device.Type: GrantFiled: November 19, 2012Date of Patent: July 5, 2016Assignee: Komatsu Ltd.Inventors: Kozo Okuda, Tadashi Iijima, Godo Ozawa, Muneo Harada, Naoto Ikeda
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Patent number: 9269038Abstract: An antenna device includes an antenna resonance circuit connected to a power supply circuit and a variable-frequency resonance element including a resonance circuit which is coupled with the antenna resonance circuit via an electromagnetic field. The resonant frequency of the resonance circuit is variable within a predetermined frequency band.Type: GrantFiled: May 15, 2014Date of Patent: February 23, 2016Assignee: MURATA MANUFACTURING CO., LTD.Inventors: Nobuo Ikemoto, Toshiyuki Nakaiso, Naoki Gouchi, Naoto Ikeda
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Publication number: 20150340151Abstract: An inductor bridge is configured to bridge-connect a first circuit and a second circuit to each other, and includes a flexible flat plate base body, a first connector at a first end portion of the base body and connected to the first circuit, a second connector at a second end portion of the base body and connected to the second circuit, and an inductor section in the base body between the first connector and the second connector. The inductor section includes conductor patterns including a plurality of layers. The inductor bridge further includes a bending portion between the inductor section and the first connector, and a slot at an inner side of the bending portion that reduces a thickness of the base body.Type: ApplicationFiled: July 31, 2015Publication date: November 26, 2015Inventors: Kuniaki YOSUI, Noboru KATO, Nobuo IKEMOTO, Naoto IKEDA, Yuki WAKABAYASHI
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Publication number: 20150294781Abstract: An inductor bridge is provided with a flexible flat plate-shaped element body, a first connector, and a second connector. The element body includes therein an inductor portion. The inductor portion is configured by a spiral conductor pattern. The first connector is provided on the element body and is connected to a first circuit. The second connector is provided on the element body and is connected to a second circuit.Type: ApplicationFiled: June 24, 2015Publication date: October 15, 2015Inventors: Kuniaki YOSUI, Noboru KATO, Yuki WAKABAYASHI, Bunta OKAMOTO, Naoto IKEDA, Takeshi KURIHARA
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Publication number: 20150211209Abstract: An engine unit mounted to a vehicle frame, the engine unit includes: an engine; an engine support mechanism to be coupled to the vehicle frame, with at least one vibration absorbing mechanism disposed on each of both sides of the engine in an orthogonal direction to a crankshaft of the engine, to support the engine; an aftertreatment device to purify exhaust gas emitted from the engine; a base bracket provided to the engine support mechanism; and an upper bracket detachably fixed and mounted to the base bracket, the upper bracket supporting the aftertreatment device.Type: ApplicationFiled: November 19, 2012Publication date: July 30, 2015Applicant: KOMATSU LTD.Inventors: Kozo Okuda, Tadashi Iijima, Godo Ozawa, Muneo Harada, Naoto Ikeda
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Patent number: 9083389Abstract: In a communication circuit, an RFIC includes an IO terminal and a control IC includes an IO terminal. A variable capacitance element includes control terminals, a capacitance element with a capacitance value that is determined according to a control voltage, and a resistance voltage divider circuit configured to generate the control voltage by dividing a voltage inputted to the control terminals. One of the RFIC and the control IC supplies control data to the variable capacitance element via a signal line. The variable capacitance element, along with an antenna coil, constitutes an antenna circuit of an LC parallel resonance circuit, and sets a resonant frequency of the antenna circuit to be a predetermined frequency.Type: GrantFiled: March 17, 2015Date of Patent: July 14, 2015Assignee: Murata Manufacturing Co., Ltd.Inventors: Naoto Ikeda, Nobuo Ikemoto, Naoki Gouchi, Toshiyuki Nakaiso, Katsumi Taniguchi
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Patent number: 9074344Abstract: A work vehicle includes an engine, a diesel particulate filter apparatus, a connecting pipe, and a selective catalytic reduction apparatus. The diesel particulate filter apparatus treats exhaust from the engine. The connecting pipe connects the engine and the diesel particulate filter apparatus. The connecting pipe extends obliquely downward toward the diesel particulate filter apparatus from a connecting position with the engine. The selective catalytic reduction apparatus treats the exhaust from the engine. The selective catalytic reduction apparatus is arranged above the connecting pipe.Type: GrantFiled: December 27, 2012Date of Patent: July 7, 2015Assignee: KOMATSU LTD.Inventors: Muneo Harada, Naoto Ikeda, Akihiko Sakamoto
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Publication number: 20150188606Abstract: In a communication circuit, an RFIC includes an IO terminal and a control IC includes an IO terminal. A variable capacitance element includes control terminals, a capacitance element with a capacitance value that is determined according to a control voltage, and a resistance voltage divider circuit configured to generate the control voltage by dividing a voltage inputted to the control terminals. One of the RFIC and the control IC supplies control data to the variable capacitance element via a signal line. The variable capacitance element, along with an antenna coil, constitutes an antenna circuit of an LC parallel resonance circuit, and sets a resonant frequency of the antenna circuit to be a predetermined frequency.Type: ApplicationFiled: March 17, 2015Publication date: July 2, 2015Inventors: Naoto IKEDA, Nobuo IKEMOTO, Naoki GOUCHI, Toshiyuki NAKAISO, Katsumi TANIGUCHI
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Publication number: 20150167274Abstract: A work vehicle includes an engine, a diesel particulate filter apparatus, a connecting pipe, and a selective catalytic reduction apparatus. The diesel particulate filter apparatus treats exhaust from the engine. The connecting pipe connects the engine and the diesel particulate filter apparatus. The connecting pipe extends obliquely downward toward the diesel particulate filter apparatus from a connecting position with the engine. The selective catalytic reduction apparatus treats the exhaust from the engine. The selective catalytic reduction apparatus is arranged above the connecting pipe.Type: ApplicationFiled: December 27, 2012Publication date: June 18, 2015Inventors: Muneo Harada, Naoto Ikeda, Akihiko Sakamoto
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Patent number: 9047524Abstract: A high-frequency device includes an antenna coil, a variable capacitance element, and an RFIC. The variable capacitance element is configured by capacitor units in each of which a ferroelectric film is sandwiched between capacitor electrodes, and a capacitance value changes according to a control voltage applied between the capacitor electrodes. A control voltage application circuit configured by a plurality of resistance elements of different resistance values, and a resistance element of the variable capacitance element unit configured to apply a control voltage to the variable capacitance element are arranged in a layered manner above the capacitor unit. Thus, a variable capacitance element and a high-frequency device that includes a control voltage application circuit eliminating problems such as distortion due to active elements and growing IC size along with complication of circuit architecture, and ensuring reliability on impact due to falling or the like, are provided.Type: GrantFiled: April 18, 2014Date of Patent: June 2, 2015Assignee: Murata Manufacturing Co., Ltd.Inventors: Nobuo Ikemoto, Toshiyuki Nakaiso, Katsumi Taniguchi, Naoki Gouchi, Naoto Ikeda
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Publication number: 20150138030Abstract: An antenna device includes a first insulating base portion including a spiral antenna pattern, and a second insulating base portion including at least two conductor wires. An insulating layer configured to insulate the conductor wires from the antenna pattern is provided between a first end and a second end of the antenna pattern in a planar view. The insulating layer includes a cut or an opening allowing at least one of the first end and the second end of the antenna pattern to be exposed toward the conductor wires. Electrode portions of the conductor wires are electrically and mechanically connected to the first end and the second end, respectively, of the antenna pattern by a conductive material in the cut or the opening of the insulating layer. The second insulating base portion is more flexible than the first insulating base portion.Type: ApplicationFiled: January 26, 2015Publication date: May 21, 2015Applicant: MURATA MANUFACTURING CO., LTD.Inventors: Kuniaki YOSUI, Naoki GOUCHI, Naoto IKEDA, Hiroyuki IRIKAWA