Patents by Inventor Natsuki Yamamoto
Natsuki Yamamoto 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: 20240110364Abstract: A pump control device and a valve control device each includes: an instruction calculator that calculates a control instruction of causing a controlled object to operate by using a manipulation amount of a manipulation and at least one control parameter, and inputs the calculated control instruction to the controlled object; and an ideal output calculator that calculates an ideal output of an actuator, the ideal output being associated with the manipulation amount of the manipulation. The pump control device adjusts at least one pump control parameter to reduce a difference between a control output and the ideal output when an operation of a movable part is a power running operation. The valve control device adjusts at least one valve control parameter to reduce a difference between a control output and the ideal output when the operation of the movable part is a non-power running operation.Type: ApplicationFiled: December 21, 2021Publication date: April 4, 2024Applicants: KOBELCO CONSTRUCTION MACHINERY CO., LTD., HIROSHIMA UNIVERSITYInventors: Kazushige KOIWAI, Yohei ONO, Natsuki YUMOTO, Shin WAKITANI, Toru YAMAMOTO
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Publication number: 20240014730Abstract: A full-rectified voltage of an alternating-current is generated on a target wiring, and another rectification voltage is fed to a first input terminal. A second input terminal is connected to the target wiring. A main capacitor is provided between a potential control terminal and the target wiring. A first switching element is provided between the potential control terminal and the ground. In the supply period of the alternating-current voltage, the first switching element is turned on and off based on the voltages at the first input terminal and the potential control terminal. When power failure is sensed, an interphase capacitor is discharged via the first input terminal and a second switching element and then the main capacitor is discharged via the first and second switching elements.Type: ApplicationFiled: July 6, 2023Publication date: January 11, 2024Inventors: Natsuki YAMAMOTO, Satoru NATE
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Publication number: 20230378949Abstract: A zero-cross detection device includes: an input terminal configured to receive an input voltage via a diode from an application terminal for an alternating-current voltage relative to a reference potential; an input circuit including a resistor between the input terminal and a terminal at the reference potential; a period detection circuit configured to detect the length of the period of the alternating-current voltage based on the interval of the timings at which the input voltage exceeds a threshold voltage; a peak detection circuit configured to detect the peak timing at which the input voltage reaches a peak in each period of the alternating-current voltage; and a zero-cross timing detection circuit configured to detect the zero-cross timing of the alternating-current voltage based on the results of detection by the period detection circuit and the peak detection circuit.Type: ApplicationFiled: May 1, 2023Publication date: November 23, 2023Inventors: Natsuki YAMAMOTO, Satoru NATE
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Publication number: 20230358792Abstract: A zero-crossing detection circuit includes a logic unit and an input stop detection unit. The logic unit is configured to estimate a zero cross of an AC signal in accordance with at least one of a first monitoring target signal and a second monitoring target signal, respectively input through diodes from a first node and a second node between which the AC signal is applied, so as to generate a zero-crossing detection signal. The input stop detection unit is configured to compare the first monitoring target signal with the second monitoring target signal after giving an offset to one of them so as to generate an input stop detection signal. The logic unit is configured to fix a logic level of the zero-crossing detection signal in accordance with the input stop detection signal.Type: ApplicationFiled: July 7, 2023Publication date: November 9, 2023Inventors: Satoru Nate, Akinobu Sawada, Natsuki Yamamoto
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Patent number: 11733275Abstract: A zero-crossing detection circuit includes a zero-crossing detection unit arranged to compare a first monitoring target signal and a second monitoring target signal respectively input through diodes from a first node and a second node between which an AC signal is applied, so as to generate a first comparison signal, and a logic unit arranged to estimate a zero cross of the AC signal from the first comparison signal so as to generate a zero-crossing detection signal. The zero-crossing detection circuit preferably includes a monitoring unit arranged to adjust the first monitoring target signal and the second monitoring target signal to be suitable for input to the zero-crossing detection unit. The logic unit preferably counts a period of the first comparison signal and estimates a zero cross of the AC signal using a count value thereof.Type: GrantFiled: October 12, 2021Date of Patent: August 22, 2023Assignee: Rohm Co., Ltd.Inventors: Satoru Nate, Akinobu Sawada, Natsuki Yamamoto
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Patent number: 11507649Abstract: An optical fingerprint authentication device includes at least a light source and an image sensor and detects diffused light. The light source is an organic electroluminescence panel. The organic electroluminescence panel comprises a light emitting portion region and a light-transmitting non-light emitting portion, the light emitting portion region being shaped by an organic electroluminescence element. A fingerprint information reader having the image sensor arranged at a position adjacent to the non-light emitting portion is provided.Type: GrantFiled: September 30, 2020Date of Patent: November 22, 2022Assignee: MERCK PATENT GMBHInventors: Kazuyoshi Omata, Tsukasa Yagi, Natsuki Yamamoto, Hirofumi Ohtani
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Patent number: 11303206Abstract: A semiconductor device disposed on a primary side of a system generating a secondary side voltage in an insulated form from a primary side voltage includes: a signal generation circuit configured to generate a voltage information signal for transmitting voltage information based on the primary side voltage to a secondary side of the system in the insulated form.Type: GrantFiled: December 9, 2019Date of Patent: April 12, 2022Assignee: Rohm Co., Ltd.Inventors: Natsuki Yamamoto, Satoru Nate
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Publication number: 20220034946Abstract: A zero-crossing detection circuit includes a zero-crossing detection unit arranged to compare a first monitoring target signal and a second monitoring target signal respectively input through diodes from a first node and a second node between which an AC signal is applied, so as to generate a first comparison signal, and a logic unit arranged to estimate a zero cross of the AC signal from the first comparison signal so as to generate a zero-crossing detection signal. The zero-crossing detection circuit preferably includes a monitoring unit arranged to adjust the first monitoring target signal and the second monitoring target signal to be suitable for input to the zero-crossing detection unit. The logic unit preferably counts a period of the first comparison signal and estimates a zero cross of the AC signal using a count value thereof.Type: ApplicationFiled: October 12, 2021Publication date: February 3, 2022Applicant: Rohm Co., Ltd.Inventors: Satoru Nate, Akinobu Sawada, Natsuki Yamamoto
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Patent number: 11181562Abstract: A zero-crossing detection circuit includes a zero-crossing detection unit arranged to compare a first monitoring target signal and a second monitoring target signal respectively input through diodes from a first node and a second node between which an AC signal is applied, so as to generate a first comparison signal, and a logic unit arranged to estimate a zero cross of the AC signal from the first comparison signal so as to generate a zero-crossing detection signal. The zero-crossing detection circuit preferably includes a monitoring unit arranged to adjust the first monitoring target signal and the second monitoring target signal to be suitable for input to the zero-crossing detection unit. The logic unit preferably counts a period of the first comparison signal and estimates a zero cross of the AC signal using a count value thereof.Type: GrantFiled: July 25, 2018Date of Patent: November 23, 2021Assignee: Rohm Co., Ltd.Inventors: Satoru Nate, Akinobu Sawada, Natsuki Yamamoto
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Publication number: 20210011987Abstract: An optical fingerprint authentication device includes at least a light source and an image sensor and detects diffused light. The light source is an organic electroluminescence panel. The organic electroluminescence panel comprises a light emitting portion region and a light-transmitting non-light emitting portion, the light emitting portion region being shaped by an organic electroluminescence element. A fingerprint information reader having the image sensor arranged at a position adjacent to the non-light emitting portion is provided.Type: ApplicationFiled: September 30, 2020Publication date: January 14, 2021Inventors: Kazuyoshi OMATA, Tsukasa YAGI, Natsuki YAMAMOTO, Hirofumi OHTANI
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Patent number: 10853465Abstract: An optical fingerprint authentication device includes at least a light source and an image sensor and detects diffused light. The light source is an organic electroluminescence panel. The organic electroluminescence panel comprises a light emitting portion region and a light-transmitting non-light emitting portion, the light emitting portion region being shaped by an organic electroluminescence element. A fingerprint information reader having the image sensor arranged at a position adjacent to the non-light emitting portion is provided.Type: GrantFiled: September 1, 2016Date of Patent: December 1, 2020Assignee: Merck Patent GmbHInventors: Kazuyoshi Omata, Tsukasa Yagi, Natsuki Yamamoto, Hirofumi Ohtani
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Publication number: 20200186031Abstract: A semiconductor device disposed on a primary side of a system generating a secondary side voltage in an insulated form from a primary side voltage includes: a signal generation circuit configured to generate a voltage information signal for transmitting voltage information based on the primary side voltage to a secondary side of the system in the insulated form.Type: ApplicationFiled: December 9, 2019Publication date: June 11, 2020Applicant: Rohm Co., Ltd.Inventors: Natsuki Yamamoto, Satoru Nate
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Publication number: 20200158766Abstract: A zero-crossing detection circuit includes a zero-crossing detection unit arranged to compare a first monitoring target signal and a second monitoring target signal respectively input through diodes from a first node and a second node between which an AC signal is applied, so as to generate a first comparison signal, and a logic unit arranged to estimate a zero cross of the AC signal from the first comparison signal so as to generate a zero-crossing detection signal. The zero-crossing detection circuit preferably includes a monitoring unit arranged to adjust the first monitoring target signal and the second monitoring target signal to be suitable for input to the zero-crossing detection unit. The logic unit preferably counts a period of the first comparison signal and estimates a zero cross of the AC signal using a count value thereof.Type: ApplicationFiled: July 25, 2018Publication date: May 21, 2020Applicant: Rohm Co., Ltd.Inventors: Satoru Nate, Akinobu Sawada, Natsuki Yamamoto
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Patent number: 10186559Abstract: An object of the invention is to provide an organic electroluminescence module having light-emitting units capable of keeping power consumption low and to provide an information device having such a module. The organic electroluminescence module of the invention includes a plurality of light-emitting units that are electrically connected to one another and each have a light-emitting region corresponding to a design to be displayed by light emission.Type: GrantFiled: March 20, 2015Date of Patent: January 22, 2019Assignee: KONICA MINOLTA, INC.Inventors: Seiji Ohashi, Natsuki Yamamoto
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Publication number: 20180357402Abstract: An optical fingerprint authentication device includes at least a light source and an image sensor and detects diffused light. The light source is an organic electroluminescence panel. The organic electroluminescence panel comprises a light emitting portion region and a light-transmitting non-light emitting portion, the light emitting portion region being shaped by an organic electroluminescence element. A fingerprint information reader having the image sensor arranged at a position adjacent to the non-light emitting portion is provided.Type: ApplicationFiled: September 1, 2016Publication date: December 13, 2018Inventors: Kazuyoshi OMATA, Tsukasa YAGI, Natsuki YAMAMOTO, Hirofumi OHTANI
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Publication number: 20180246581Abstract: An object of the present invention is to provide an organic EL module which includes an organic EL element of an electrode configuration, having both of a light emitting function and a hovering detection function, has a specific control circuit configuration, is capable of being small formatted and miniaturized, and is capable of simplifying a process, and a smart device and an illuminating device including the organic EL module. An organic EL module of the present invention includes: an electrostatic capacitance type hovering detection circuit unit having a hovering detection function; and a light emitting element driving circuit unit driving an organic EL panel, in which the organic EL panel includes a pair of planar electrodes in internal facing positions, the pair of electrodes is connected to the light emitting element driving circuit unit, any one of the pair of electrodes is a hovering detection electrode, and the hovering detection electrode is connected to the hovering detection circuit unit.Type: ApplicationFiled: March 15, 2016Publication date: August 30, 2018Inventors: Kazuyoshi OMATA, Natsuki YAMAMOTO, Tsukasa YAGI
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Patent number: 9985628Abstract: An object of the present invention is to provide an organic EL module that achieves a reduction in size and thickness, that has a high touch-sensing accuracy, and that is applicable to smart devices, and a smart device equipped with the same. The organic EL module of the present invention includes: an organic EL panel having a connecting electrode; and an electrical connecting unit laminated on the organic EL panel, wherein the electrical connecting unit has a flexible substrate and a capacitive sensing circuit provided on the flexible substrate and having a land, the electrical connecting unit is provided on a light-emitting surface side of the organic EL panel, the electrical connecting unit has a light-permeable part and a bent part formed by making two or more cuts in at least one side of the light-permeable part, and the land constituting the sensing circuit and the connecting electrode of the organic EL panel are electrically connected to each other at the bent part.Type: GrantFiled: February 25, 2015Date of Patent: May 29, 2018Assignee: KONICA MINOLTA, INC.Inventor: Natsuki Yamamoto
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Patent number: 9876057Abstract: An object of the present invention is to provide an organic EL panel having a display pattern that allows low power consumption, high emission uniformity, and high emission luminance ratio and makes it possible to reduce the manufacturing process time and provide high productivity, a method for manufacturing the organic EL panel, an organic EL module, and an information device. The organic EL panel of the present invention includes an organic EL device including an organic EL element having a pattern A including at least a light-emitting part and a non-light-emitting part; and at least one auxiliary member, wherein the organic EL element has an emission luminance ratio of the light-emitting part to the non-light-emitting part of 5:1 to 50:1, and the at least one auxiliary member has a pattern B being geometrically similar to the pattern A and including a light-transmitting part and a light-blocking part.Type: GrantFiled: March 2, 2015Date of Patent: January 23, 2018Assignee: KONICA MINOLTA, INC.Inventors: Kazuyoshi Omata, Natsuki Yamamoto
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Publication number: 20170063374Abstract: An object of the present invention is to provide an organic EL module that achieves a reduction in size and thickness, that has a high touch-sensing accuracy, and that is applicable to smart devices, and a smart device equipped with the same. The organic EL module of the present invention includes: an organic EL panel having a connecting electrode; and an electrical connecting unit laminated on the organic EL panel, wherein the electrical connecting unit has a flexible substrate and a capacitive sensing circuit provided on the flexible substrate and having a land, the electrical connecting unit is provided on a light-emitting surface side of the organic EL panel, the electrical connecting unit has a light-permeable part and a bent part formed by making two or more cuts in at least one side of the light-permeable part, and the land constituting the sensing circuit and the connecting electrode of the organic EL panel are electrically connected to each other at the bent part.Type: ApplicationFiled: February 25, 2015Publication date: March 2, 2017Applicant: Konica Minolta, Inc.Inventor: Natsuki YAMAMOTO
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Patent number: 9564592Abstract: An organic electroluminescent element includes a support substrate having thereon at least two light emitting units each containing one or a plurality of organic functional layers and at least one intermediate metal layer having a light-transmitting property. The intermediate metal layer is arranged between the light emitting units. At least one organic functional layer in each light emitting unit has a region wherein a light emission function is modulated and another region wherein the light emission function is not modulated by being patterned with a mask during the step of forming the organic functional layer, and by being additionally patterned by light irradiation after formation of the organic functional layer. The at least two light emitting units are able to be electrically driven independently or simultaneously.Type: GrantFiled: May 20, 2014Date of Patent: February 7, 2017Assignee: Konica Minolta, Inc.Inventors: Kuniaki Uezawa, Natsuki Yamamoto