Patents by Inventor Satoshi Sakurai
Satoshi Sakurai 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: 11975995Abstract: A wash water processing apparatus of reusing wash water includes: a washing processing part washing a subject to be washed; a wash water accommodation part into which processed water used in a washing process in the washing processing part is once accommodated; a sterilization and purification unit causing, while acting with an ozone supply function, ozone water to be contained in the processed water flowing through the wash water accommodation part in a circular manner; and a filtration mechanism part configured to include a filter and an ion-exchange resin and sequentially filtrating the processed water to be reused as wash water in the washing processing part, as the ozone water is supplied as the processed water is mixed to dilute an ozone concentration in the wash water accommodation part. In a state where the ozone concentration is adjusted, the processed water is passed through the filter and the ion-exchange resin.Type: GrantFiled: March 16, 2022Date of Patent: May 7, 2024Assignees: KITZ CORPORATION, TOYO VALVE CO., LTD.Inventors: Katsuhisa Yata, Takako Sakurai, Satoshi Ito, Toshiharu Tanaka
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Patent number: 11968468Abstract: A ramp buffer circuit includes a ramp buffer input device having an input coupled to receive a ramp signal. A current monitor is circuit coupled to a power line and the ramp buffer input device to generate a current monitor signal in response to an input current conducted through the ramp buffer input device. A corner bias circuit is coupled to the current monitor circuit to generate an assist bias voltage in response to the current monitor signal. A bias current source is coupled to an output of the ramp buffer input device. An assist current source is coupled to the corner bias circuit and coupled between the output of the ramp buffer input device and ground to conduct an assist current from the output of the ramp buffer input device to ground in response to the assist bias voltage.Type: GrantFiled: April 13, 2022Date of Patent: April 23, 2024Assignee: OMNIVISION TECHNOLOGIES, INC.Inventors: Hiroaki Ebihara, Zhenfu Tian, Peter Bartkovjak, Satoshi Sakurai
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Patent number: 11955878Abstract: The upper arm drive circuit for controlling the drive of an upper arm switching element of the power conversion device includes: an upper arm gate voltage output wiring connected to a gate of the upper arm switching element; a first upper arm drive circuit reference potential wiring; an upper arm gate voltage reference potential wiring connected to an inverter output of the power conversion device; and a control circuit of upper arm drive circuit reference potential wiring potential for controlling the potential of the first upper arm drive circuit reference potential wiring to a potential lower than a reference potential when a potential of the inverter output is equal to a predefined potential that is lower than the reference potential or lower. The first upper arm drive circuit reference potential wiring is connected to the reference potential via the control circuit of upper arm drive circuit reference potential wiring potential.Type: GrantFiled: January 18, 2022Date of Patent: April 9, 2024Assignee: Hitachi Power Semiconductor Device, Ltd.Inventors: Satoshi Iesaka, Kenji Sakurai
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Publication number: 20240111052Abstract: An information processing device (30) includes a signal acquisition unit (31), a passive depth estimation unit (34), and a fusion unit (35). The signal acquisition unit (31) extracts, from light reception data, active information indicating a flight time of reference light (PL) and passive information (PI) indicating two-dimensional image information of a subject (SU) obtained from ambient light (EL). The passive depth estimation unit (34) generates passive depth information (PDI) based on the passive information (PI). The fusion unit (35) fuses the passive depth information (PDI) with active depth information (ADI) generated based on the active information to generate depth information (DI) of the subject (SU).Type: ApplicationFiled: January 25, 2022Publication date: April 4, 2024Applicant: Sony Group CorporationInventors: Yuta SAKURAI, Toshiyuki SASAKI, Kazunori KAMIO, Satoshi KAWATA
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Patent number: 11945096Abstract: A product conveyance robot includes: a travel portion configured to travel on a road surface; a holding portion provided above the travel portion and configured to hold a product, the holding portion being provided rotatably around a lateral turn axis extending in the height direction of the holding portion; and a controller configured to control driving of the travel portion and a rotation angle of the holding portion around the lateral turn axis.Type: GrantFiled: October 14, 2020Date of Patent: April 2, 2024Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Zixun Mei, Satoshi Okamoto, Takuya Watabe, Shinya Sakurai
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Patent number: 11916520Abstract: A Doherty amplifier including a main amplifier and a peak amplifier is mounted on a package substrate. A low noise amplifier is further mounted on the package substrate. A transmit/receive switch switches in terms of time between a transmission connection state in which an output signal of the Doherty amplifier is supplied to an antenna and a reception connection state in which a signal received by the antenna is inputted to the low noise amplifier.Type: GrantFiled: June 3, 2022Date of Patent: February 27, 2024Assignee: MURATA MANUFACTURING CO., LTD.Inventors: Satoshi Tanaka, Kiichiro Takenaka, Satoshi Arayashiki, Satoshi Sakurai
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Publication number: 20240056040Abstract: A radio-frequency module includes a power amplifier, a first bias circuit connected to the power amplifier, and a second bias circuit connected to the power amplifier. The first bias circuit includes a register that receives a first digital control signal corresponding to a power mode of the power amplifier and a current generation circuit that generates, based on information in the register, a first bias current, and the second bias circuit includes another register that receives a second digital control signal corresponding to the power mode and a current generation circuit that generates, based on information in the other register, a second bias current.Type: ApplicationFiled: June 1, 2023Publication date: February 15, 2024Applicant: Murata Manufacturing Co., Ltd.Inventors: Satoshi SAKURAI, Toshiki MATSUI, Yasunobu YOSHIZAKI, Fuminori MORISAWA
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Publication number: 20230353107Abstract: Examples of input stages of circuits are configured to reduce both negative-bias temperature instability (NBTI) and positive-bias temperature instability (PBTI) in PMOS transistors therein. Current-switched PMOS source follower transistors and a low-side NMOS differential pair is used to process a lower range of a rail-to-rail input signal range of a circuit. A PMOS source follower is disposed between the positive input of the circuit and the positive input of the low-side NMOS differential pair. Another PMOS source follower is disposed between the negative input of the circuit and the negative input of the low-side NMOS differential pair. Various arrangements are provided for generating and maintaining the bias currents of the two PMOS source followers to be approximately the same through the entire lower input signal range.Type: ApplicationFiled: April 28, 2022Publication date: November 2, 2023Inventor: Satoshi Sakurai
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Publication number: 20230336891Abstract: A ramp buffer circuit includes a ramp buffer input device having an input coupled to receive a ramp signal. A current monitor is circuit coupled to a power line and the ramp buffer input device to generate a current monitor signal in response to an input current conducted through the ramp buffer input device. A corner bias circuit is coupled to the current monitor circuit to generate an assist bias voltage in response to the current monitor signal. A bias current source is coupled to an output of the ramp buffer input device. An assist current source is coupled to the corner bias circuit and coupled between the output of the ramp buffer input device and ground to conduct an assist current from the output of the ramp buffer input device to ground in response to the assist bias voltage.Type: ApplicationFiled: April 13, 2022Publication date: October 19, 2023Inventors: Hiroaki Ebihara, Zhenfu Tian, Peter Bartkovjak, Satoshi Sakurai
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Publication number: 20230311859Abstract: A failure detection circuit for an image sensor includes a first input node, an array of second input nodes, and an output stage. The first input node is coupled to a reference voltage. The array of second input nodes has each input node coupled to receive a signal from a bitline of a bitline array in an image sensor that includes an array of pixels with each pixel is coupled to at least one bitline of the bitline array. The output stage is coupled to generate an output voltage indicative of any of the second input nodes being lower than the reference voltage.Type: ApplicationFiled: April 1, 2022Publication date: October 5, 2023Inventors: Zhenfu TIAN, Liang ZUO, Yan LI, Wen HE, Satoshi SAKURAI
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Patent number: 11777553Abstract: A high-frequency module includes a transmission signal amplifier that outputs a transmission signal to an antenna terminal side; a reception signal amplifier that amplifies a reception signal supplied from an antenna terminal; a switch that selectively connects the antenna terminal to either an output of the transmission signal amplifier or an input of the reception signal amplifier; and a directional coupler that is provided on a transmission signal path and detects a signal level of the transmission signal. The transmission signal amplifier is controlled by a first control signal supplied from a first control circuit. The reception signal amplifier is controlled by a second control signal supplied from a second control circuit. The switch is controlled by a switch control signal supplied from the first control circuit. The directional coupler is controlled by a coupler control signal supplied from the first control circuit.Type: GrantFiled: May 16, 2022Date of Patent: October 3, 2023Assignee: MURATA MANUFACTURING CO., LTD.Inventors: Satoshi Sakurai, Satoshi Arayashiki, Satoshi Tanaka, Kyoichi Hirayama, Tomohito Ito, Kenta Kurahashi
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Patent number: 11722801Abstract: A ramp buffer circuit includes an input device having an input coupled to receive a ramp signal. A bias current source is coupled to an output of the input device. The input device and the bias current source are coupled between a power line and ground. An assist current source is coupled between the output of the input device and ground. The assist current source is configured to conduct an assist current from the output of the input device to ground only during a ramp event generated in the ramp signal.Type: GrantFiled: April 13, 2022Date of Patent: August 8, 2023Assignee: OmniVision Technologies, Inc.Inventors: Hiroaki Ebihara, Zhenfu Tian, Tao Sun, Liang Zuo, Yu-Shen Yang, Satoshi Sakurai, Rui Wang
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Patent number: 11679816Abstract: A vehicle body structure having a side roof rail, a B-pillar and a bracket. The side roof rail has an inboard surface. The B-pillar has an upper end portion that overlays a portion of the inboard surface of the roof rail. The B-pillar extends downward from the roof rail. The bracket has a first portion and a second portion. The first portion is fixedly attached to the upper end portion of the B-pillar. The bracket further has a first rib and a second rib spaced apart from the first rib. The first rib and the second rib extend from the first portion of the bracket upward toward the second portion of the bracket. The first portion of the bracket further defines a slot located between the first rib and the second rib.Type: GrantFiled: February 22, 2019Date of Patent: June 20, 2023Assignee: NISSAN NORTH AMERICA, INC.Inventors: Bobby Fuentes, Fumio Tejima, Satoshi Sakurai, Atsushi Adachi
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Radio-frequency signal sending/receiving circuit and radio-frequency signal sending/receiving device
Patent number: 11626899Abstract: A radio-frequency signal sending/receiving circuit includes a low-noise amplifier electrically connected to a first terminal, a first switch electrically connected to the input terminal of the low-noise amplifier, a band pass filter electrically connected at one end to the other end of the first switch and at the other end to a first antenna via a fourth terminal, a power amplifier electrically connected to a second terminal, a second switch electrically connected at one end to the output terminal of the power amplifier and at the other end to the band pass filter, a third switch electrically connected at one end to the output terminal of the power amplifier and at the other end to a fifth terminal, and a fourth switch electrically connected at one end to a third terminal and at the other end to the fifth terminal.Type: GrantFiled: April 27, 2021Date of Patent: April 11, 2023Assignee: MURATA MANUFACTURING CO., LTD.Inventors: Hitoshi Akamine, Satoshi Sakurai -
Patent number: 11496178Abstract: A high-frequency module includes a transmission signal amplifier that outputs a transmission signal to an antenna terminal side; a reception signal amplifier that amplifies a reception signal supplied from an antenna terminal; a switch that selectively connects the antenna terminal to either an output of the transmission signal amplifier or an input of the reception signal amplifier; and a directional coupler that is provided on a transmission signal path and detects a signal level of the transmission signal. The transmission signal amplifier is controlled by a first control signal supplied from a first control circuit. The reception signal amplifier is controlled by a second control signal supplied from a second control circuit. The switch is controlled by a switch control signal supplied from the first control circuit. The directional coupler is controlled by a coupler control signal supplied from the first control circuit.Type: GrantFiled: September 9, 2020Date of Patent: November 8, 2022Assignee: MURATA MANUFACTURING CO., LTD.Inventors: Satoshi Sakurai, Satoshi Arayashiki, Satoshi Tanaka, Kyoichi Hirayama, Tomohito Ito, Kenta Kurahashi
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Patent number: 11455068Abstract: A touch panel including a first electrode plate having a first conductive film, a second electrode plate having a second conductive film facing the first conductive film, an insulating layer disposed between the first electrode plate and the second electrode plate and having an opening, and a touch plate having a pressing member disposed at a position corresponding to the opening. The pressing member transmits pressing force applied to the touch plate to the second electrode plate, to bring the second conductive film into contact with the first conductive film.Type: GrantFiled: August 30, 2019Date of Patent: September 27, 2022Assignee: FUJITSU COMPONENT LIMITEDInventors: Yutaka Ueno, Satoshi Sakurai, Tatsuro Hamano, Masahiko Katayama
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Publication number: 20220294395Abstract: A Doherty amplifier including a main amplifier and a peak amplifier is mounted on a package substrate. A low noise amplifier is further mounted on the package substrate. A transmit/receive switch switches in terms of time between a transmission connection state in which an output signal of the Doherty amplifier is supplied to an antenna and a reception connection state in which a signal received by the antenna is inputted to the low noise amplifier.Type: ApplicationFiled: June 3, 2022Publication date: September 15, 2022Inventors: Satoshi TANAKA, Kiichiro TAKENAKA, Satoshi ARAYASHIKI, Satoshi SAKURAI
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Publication number: 20220271790Abstract: A high-frequency module includes a transmission signal amplifier that outputs a transmission signal to an antenna terminal side; a reception signal amplifier that amplifies a reception signal supplied from an antenna terminal; a switch that selectively connects the antenna terminal to either an output of the transmission signal amplifier or an input of the reception signal amplifier; and a directional coupler that is provided on a transmission signal path and detects a signal level of the transmission signal. The transmission signal amplifier is controlled by a first control signal supplied from a first control circuit. The reception signal amplifier is controlled by a second control signal supplied from a second control circuit. The switch is controlled by a switch control signal supplied from the first control circuit. The directional coupler is controlled by a coupler control signal supplied from the first control circuit.Type: ApplicationFiled: May 16, 2022Publication date: August 25, 2022Inventors: Satoshi SAKURAI, Satoshi ARAYASHIKI, Satoshi TANAKA, Kyoichi HIRAYAMA, Tomohito ITO, Kenta KURAHASHI
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Publication number: 20220260976Abstract: An information processing device includes a first generation unit that generates second layout information indicating a second layout including a first path as a path of conveyance of an object, the second layout information being information generated by changing first layout information indicating a first layout, a calculation unit that calculates a first conveyance distance as a conveyance distance of the object based on the first path, an acquisition unit that acquires a first conveyance amount indicating an amount of conveyance of the object, and a second generation unit that generates a first diagram indicating a relationship between the first conveyance distance and the first conveyance amount.Type: ApplicationFiled: May 3, 2022Publication date: August 18, 2022Applicant: MITSUBISHI ELECTRIC CORPORATIONInventors: Satoshi SAKURAI, Yoshiyuki KATO, Kei GOMITA, Fengyi JIN
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Patent number: 11356064Abstract: A Doherty amplifier including a main amplifier and a peak amplifier is mounted on a package substrate. A low noise amplifier is further mounted on the package substrate. A transmit/receive switch switches in terms of time between a transmission connection state in which an output signal of the Doherty amplifier is supplied to an antenna and a reception connection state in which a signal received by the antenna is inputted to the low noise amplifier.Type: GrantFiled: May 6, 2020Date of Patent: June 7, 2022Assignee: MURATA MANUFACTURING CO., LTD.Inventors: Satoshi Tanaka, Kiichiro Takenaka, Satoshi Arayashiki, Satoshi Sakurai