Patents by Inventor Yuta Nakamura
Yuta Nakamura 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: 11362597Abstract: The present power control device includes an inverter, a step-up/down converter, a first capacitor, a second capacitor, and a control device. The step-up/down converter includes an upper arm and a lower arm that are switching elements, and a reactor that has a first end and a second end, the first end being connected to the first capacitor, and the second end being connected between the upper arm and the lower arm. The control device is configured to fix the lower arm in an off state and control the upper arm such that the upper arm switches at a predetermined duty ratio.Type: GrantFiled: September 30, 2020Date of Patent: June 14, 2022Assignee: HITACHI ASTEMO, LTD.Inventors: Nobukatsu Yamaguchi, Yuta Nakamura, Takami Suzuki
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Publication number: 20220182006Abstract: A control device that does not require arithmetic processing of a phase current can be provided. A control device in which a plurality of switching legs including a pair of semiconductor switching elements constituting an upper arm and a lower arm are provided in a number corresponding to the number of phases of a motor that is a load includes a switch short circuit detection unit configured to detect a short circuit failure of the semiconductor switching element, and a control unit configured to execute determination processing of determining whether the short circuit failure has occurred in the upper arm or the lower arm on the basis of a result of detection by the switch short circuit detection unit, and to set all the semiconductor switching elements that constitute an arm in which a short circuit failure has occurred on the basis of a result of the determination processing.Type: ApplicationFiled: December 2, 2021Publication date: June 9, 2022Inventors: Yuta NAKAMURA, Masatoshi GOTO, Yoshinori SAGIYA, Kazunari KUROKAWA, Shugo UENO, Shintaro TAI
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Publication number: 20220166305Abstract: A gate driving power source device can be miniaturized by sharing power source units, and a large current can be prevented from locally flowing in a single chip even when a short-circuit failure occurs in a multi-phase conversion circuit included in a power conversion device. There is provided a shared power source unit supplying a shared DC power source to a gate drive circuit provided in any one of a plurality of lower arms of multi-phase conversion circuits or any one of a plurality of upper arms of the multi-phase conversion circuit and gate drive circuits provided in upper arms or lower arms of other conversion circuits.Type: ApplicationFiled: November 17, 2021Publication date: May 26, 2022Inventors: Masatoshi GOTO, Yuta NAKAMURA, Yoshinori SAGIYA, Kazunari KUROKAWA, Shugo UENO, Shintaro TAI
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Patent number: 11332909Abstract: There is provided a working vehicle capable of simplifying a structure and reducing manufacturing costs by realizing a configuration in which a tying-down attachment point doubles as a lifting attachment point. A working vehicle according to the present invention includes tying-down attachment points for locking a tightening member for preventing reversal at the time of transportation or parking in at least the front of a vehicle body, in which the tying-down attachment points are arranged at right-and-left two places on a front end surface of the vehicle body, capable of locking a lifting member for lifting the vehicle body upward and having strength in a vertical direction enough to withstand a load applied at the time of lifting the vehicle body upward after locking the lifting member, thereby doubling as lifting attachment points.Type: GrantFiled: September 26, 2019Date of Patent: May 17, 2022Assignee: TAKEUCHI MFG. CO., LTD.Inventors: Shingo Takeuchi, Yuta Nakamura
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Publication number: 20220137735Abstract: A touch panel device includes a first conductive film having first and second regions, at least a part of the first conductive film between the first and the second regions being removed, a second conductive film laminated on the first conductive film across a gap, first and second terminals that output signals, a first electrode electrically connected to the first terminal, a second electrode facing the first electrode across the first region, a first resistor provided on the first conductive film in the second region and having a pair of electrodes, the pair of electrodes facing each other across a first resistance region in the first conductive film, one of the electrodes being electrically connected to the second electrode, the other of the electrodes being electrically connected to the second terminal, and a first switch electrically connecting the first conductive film to the second conductive film, in the second region.Type: ApplicationFiled: September 17, 2021Publication date: May 5, 2022Applicant: FUJITSU COMPONENT LIMITEDInventors: Yuta NAKAMURA, Yutaka UENO, Masaya MOROHASHI, Takuya OZAWA, Hideyuki HAGIHARA, Yuji MAKIUCHI
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Patent number: 11310401Abstract: An image capture apparatus to which a module having a predetermined function can be attached, the apparatus comprises a connecting unit configured to attach the module, a heat transfer unit configured to exchange heat with the module, a communication unit configured to communicate with the module, and a control unit configured to control a heat dissipation state of a system including the image capture apparatus and the module on the basis of information pertaining to heat dissipation performance of the module and position information pertaining to an attachment position of the module, the information having been acquired by the communication unit.Type: GrantFiled: February 19, 2020Date of Patent: April 19, 2022Assignee: Canon Kabushiki KaishaInventors: Hironobu Makara, Tadanori Saito, Kazuaki Maruhashi, Takamichi Kosugi, Takutomi Ogawa, Tsubasa Nakatani, Naohiro Arai, Manabu Abe, Takeshi Hamada, Manami Gunji, Yuya Nagata, Yuta Nakamura, Hiroshi Yano
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Patent number: 11302882Abstract: A luminescent film includes a host compound, a blue phosphorescent compound, and a blue fluorescent compound, in which an emission spectrum of the blue phosphorescent compound and an absorption spectrum of the blue fluorescent compound have portions overlapping with each other; shortest wavelength-side maximum emission wavelengths of the blue phosphorescent compound (abbreviated as “BPM” in the expression) and the blue fluorescent compound (abbreviated as “BFM” in the expression) satisfy the following expression (1): ?BFM??BPM: expression (1) in which ?BFM represents the shortest wavelength-side maximum emission wavelength of the blue fluorescent compound and ?BPM represents the shortest wavelength-side maximum emission wavelength of the blue phosphorescent compound; and light emission derived from the blue fluorescent compound is detected.Type: GrantFiled: November 22, 2017Date of Patent: April 12, 2022Assignee: Merck Patent GmbHInventors: Kenichi Tabata, Yuta Nakamura, Taketo Namikawa, Satoru Inoue, Yasuo Miyata, Hiromoto Ii
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Patent number: 11274222Abstract: An ink contains a coloring material, a urethane resin, diethylene glycol diethyl ether, and a siloxane compound, wherein diethylene glycol diethyl ether has a proportion of 6.0 percent or greater by mass of the total amount of the ink.Type: GrantFiled: March 17, 2020Date of Patent: March 15, 2022Assignee: Ricoh Company, LTD.Inventors: Yuta Nakamura, Naoto Shimura
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Patent number: 11255570Abstract: A ceiling-embedded air conditioner includes: a box-shaped housing that is embedded in a ceiling of an air-conditioned room; a square decorative panel that is attached to a lower surface of the housing and covers the ceiling; main body outlets that are provided along respective four sides of a bottom surface of the housing and blow heat-exchanged air; outlets that are provided in the decorative panel in correspondence with the main body outlets; corner blowoff units that are provided in the decorative panel in correspondence with coupling portions for coupling the outlets; a blowoff path that is circumferentially provided in the decorative panel in correspondence with the outlets and the corner blowoff units; and wind direction plates that are rotatably provided along the respective sides of the decorative panel so as to cover or open the blowoff path and are longer than a long side of the outlets.Type: GrantFiled: October 11, 2018Date of Patent: February 22, 2022Assignee: FUJITSU GENERAL LIMITEDInventors: Naoto Fujita, Yuta Nakamura
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Publication number: 20220024217Abstract: Provided is an ink set including: an ink containing a cyan pigment; an ink containing a magenta pigment; and an ink containing a yellow pigment, wherein the proportion of the cyan pigment is 0.70% by mass or greater but 1.40% by mass or less, and wherein the proportion of the magenta pigment and the proportion of the yellow pigment are both higher than the proportion of the cyan pigment.Type: ApplicationFiled: January 21, 2020Publication date: January 27, 2022Inventors: Hiromi SAKAGUCHI, Itsuro SASAKI, Ayaka TANAKA, Naoto SHIMURA, Shunsuke HORIE, Hiroshi GOTOU, Yuta NAKAMURA
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Publication number: 20220020802Abstract: There is provided an image sensor including: a light polarizing unit configured to transmit light in a specific light polarization direction out of incident light; a pixel configured to generate an image signal corresponding to the light transmitted through the light polarizing unit; and a signal transfer unit formed simultaneously with the light polarizing unit and configured to transfer either of the image signal and a control signal that controls generation of the image signal.Type: ApplicationFiled: September 29, 2021Publication date: January 20, 2022Applicant: SONY SEMICONDUCTOR SOLUTIONS CORPORATIONInventor: Yuta NAKAMURA
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Publication number: 20210397277Abstract: A touch panel comprises: a first electrode substrate having a first conductive film; a second electrode substrate having a decorative portion facing the first conductive film; and a case configured to contain the first electrode substrate, wherein the first electrode substrate has a larger area than the second electrode substrate, and wherein the case is configured to cover an outer peripheral portion of the first electrode substrate outside the second electrode substrate, and not to cover the second electrode substrate.Type: ApplicationFiled: June 15, 2021Publication date: December 23, 2021Inventors: Hideyuki Hagihara, Yutaka Ueno, Masaya Morohashi, Takuya Ozawa, Yuta Nakamura
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Patent number: 11199757Abstract: An imaging device includes a first case, a second case joined to the first case, a substrate receiving an electronic component accommodated in an internal space defined by the first and second cases, a lens barrel holding a lens and supported by the first or second case, and a waterproof seal held in a waterproof-seal holding space between the first and second cases. The first case has a first surface substantially perpendicular to an optical axis, a second surface substantially parallel to the optical axis, and an inner surface meeting the first surface and extending in the optical axis direction. The first and second surfaces form the waterproof-seal holding space. The inner surface faces the substrate edge. The second case has a third surface substantially perpendicular to the optical axis and a fourth surface substantially parallel to the optical axis. The third and fourth surfaces form the waterproof-seal holding space.Type: GrantFiled: November 29, 2018Date of Patent: December 14, 2021Assignee: NIDEC COPAL CORPORATIONInventor: Yuta Nakamura
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Publication number: 20210377431Abstract: An image pickup apparatus that can efficiently solve problems caused by heat generated by a heat generating element. The image pickup apparatus including a sensor substrate configured to implement an image sensor, and a main circuit board configured to implement a heat generating element. A length of the main circuit board is longer than a length of the sensor substrate in a width direction of the image pickup apparatus. The main circuit board is aslant arranged to an optical axis of the image pickup apparatus so that a first space part will be provided between the sensor substrate and the main circuit board. A cross section of the first space part in a plane that is parallel to both the optical axis and the width direction is approximately triangle.Type: ApplicationFiled: May 17, 2021Publication date: December 2, 2021Inventors: Kazuna Oyama, Norikazu Hirota, Yoji Oya, Kazuo Yamamoto, Yuta Nakamura
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Publication number: 20210375997Abstract: The present disclosure relates to a solid-state imaging device and a manufacturing method, and an electronic apparatus that allow the reduction of manufacturing steps to reduce costs. The solid-state imaging device includes a sensor substrate in which a plurality of pixels is formed, and a logic substrate in which at least a logic circuit is formed. Then, the sensor substrate and the logic substrate form a stacked structure by a step of picking out and bonding the sensor substrate that is a non-defective product to a logic wafer in which a plurality of the logic circuits is formed before the logic substrate is separated as an individual piece. The present technology can be applied to, for example, a back-illuminated stacked CMOS image sensor.Type: ApplicationFiled: September 13, 2019Publication date: December 2, 2021Inventor: YUTA NAKAMURA
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Patent number: 11175566Abstract: An imaging device, having a substrate on which an imaging portion is mounted, a lens barrel for holding a lens, and a case disposed so as to cover the lens barrel and the substrate, wherein: the lens barrel and the case are fitted radially, and the lens barrel and the case comprise a rotation constraining portion for constraining mutual rotation thereof, in respect to the optical axial direction.Type: GrantFiled: March 30, 2018Date of Patent: November 16, 2021Assignee: NIDEC COPAL CORPORATIONInventor: Yuta Nakamura
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Patent number: 11164901Abstract: There is provided an image sensor including: a light polarizing unit configured to transmit light in a specific light polarization direction out of incident light; a pixel configured to generate an image signal corresponding to the light transmitted through the light polarizing unit; and a signal transfer unit formed simultaneously with the light polarizing unit and configured to transfer either of the image signal and a control signal that controls generation of the image signal.Type: GrantFiled: March 1, 2018Date of Patent: November 2, 2021Assignee: Sony Semiconductor Solutions CorporationInventor: Yuta Nakamura
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Publication number: 20210288604Abstract: A power supply system (1) includes: a drive motor (M) coupled to drive wheels (W); a first inverter (23) which converts DC electric power into three-phase AC electric power; a first current sensor (23I) which generates a current detection signal according to electrical current flowing in the first inverter (23), and a system ECU (8) which executes discharge control for discharging electrical charge of a second smoothing capacitor (C2) connected to the first inverter (23), in a case of a discharge start condition being established. The system ECU (8), in a case of the drive motor (M) rotating upon starting the discharge control, executes the discharge control, after executing three-phase short-circuit control to turn ON all switching elements of an upper arm or all switching elements of a lower arm of the three-phase arm of the first inverter (23), based on the current detection signal of the sensor (23I).Type: ApplicationFiled: October 23, 2020Publication date: September 16, 2021Inventors: Yasuhiko KONDO, Yuta NAKAMURA, Nobukatsu YAMAGUCHI
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Publication number: 20210281195Abstract: The present motor control device includes an inverter, a converter, and a control device. The control device has a rotation speed calculation unit that calculates a rotation speed of a motor; an optimum voltage calculation unit that calculates an optimum input voltage; a minimum voltage calculation unit that calculates a minimum input voltage required to operate the motor at a motor operating point; and a target value setting unit that sets either one of the optimum input voltage and the minimum input voltage as a target input voltage. In a case in which the set target torque exceeds a predetermined value, the target value setting unit sets the minimum input voltage lower than the optimum input voltage as the target input voltage.Type: ApplicationFiled: December 22, 2020Publication date: September 9, 2021Inventors: Shogo TOKITA, Kazunari KUROKAWA, Masahiro SHIMADA, Yuta NAKAMURA, Takami SUZUKI
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Publication number: 20210255527Abstract: An image capturing apparatus having a forced air cooling function and capable of having an accessory attached thereto includes an image capturing apparatus body. A lens mount is provided on the apparatus body and can have a shooting lens removably attached thereto. An attachment portion is provided on the apparatus body and can have the accessory removably attached thereto. A built-in microphone is arranged on a side of a surface of the apparatus body, different from any of a surface where an air outlet port for discharging air used for forced cooling is arranged, a surface where the lens mount is arranged, and a surface where the attachment portion is arranged. The built-in microphone is arranged at a location closer to a top surface of the image capturing apparatus body than a bottom surface thereof.Type: ApplicationFiled: May 4, 2021Publication date: August 19, 2021Inventors: Yuta Nakamura, Yasuhiro Kojima, Hideki Toichi, Hayato Mano, Yusuke Mogi