Patents by Inventor Keita Sasaki
Keita Sasaki 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: 12219247Abstract: Provided is an imaging device that includes an imaging unit that performs an imaging operation, a data generator that generates first power supply voltage data corresponding to a first power supply voltage and a flag generation section that generates a flag signal for the first power supply voltage by comparing the first power supply voltage data and first reference data. The first power supply voltage is supplied to the imaging unit.Type: GrantFiled: June 20, 2023Date of Patent: February 4, 2025Assignee: SONY SEMICONDUCTOR SOLUTIONS CORPORATIONInventors: Naoki Kawazu, Keita Sasaki, Takumi Oka, Yuichi Motohashi, Atsushi Suzuki
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Publication number: 20250036931Abstract: The node includes a first input terminal, a second input terminal, a first sample and hold circuit, and a first output terminal. The first input terminal is configured to be connectable to an input source for transmitting an input signal to a reservoir device. The second input terminal is configured to be connectable to at least one other node. A first terminal of the first sample and hold circuit is connected to the first input terminal and the second input terminal. A second terminal of the first sample and hold circuit is connected to the first output terminal. The first output terminal is configured to be connectable to at least one other node. The first sample and hold circuit holds and converts a joined signal of the input signal and a propagated signal from the second input terminal.Type: ApplicationFiled: July 25, 2024Publication date: January 30, 2025Applicant: TDK CorporationInventors: Yukio TERASAKI, Kazuki Nakada, Eiji Suzuki, Keita Suda, Tomoyuki Sasaki, Tetsuya Asai, Yuki Abe
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Patent number: 12162144Abstract: A substrate assembling device includes a first end effector attached to a first arm, a second end effector attached to a second arm, and a controller. The second end effector includes a pair of grippers configured to grip a second substrate, and a placing part where threaded elements are placed. The controller is adapted to control operations of the first arm and the second arm to position the second substrate on a first substrate while gripping the second substrate, by using the pair of grippers of the second end effector, and hold the threaded element placed on the placing part of the second end effector and fasten the held threaded element, by using the first end effector, to join the first substrate and the second substrate together.Type: GrantFiled: June 1, 2020Date of Patent: December 10, 2024Assignee: KAWASAKI JUKOGYO KABUSHIKI KAISHAInventors: Takeshi Hashimoto, Keita Sasaki
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Patent number: 12142616Abstract: According to one embodiment, a light detector includes a plurality of elements, a plurality of separation parts, a fourth semiconductor region, a fifth semiconductor region, a first interconnect, a first quenching part, and a second interconnect. The elements are located in a cell region and arranged. Each of the elements includes first, second, and third semiconductor regions. The second semiconductor region is located on the first semiconductor region. The third semiconductor region is located on the second semiconductor region. The separation parts are located respectively around the elements. The fourth semiconductor region is located around each of the separation parts. The fifth semiconductor region is located on the fourth semiconductor region. The first interconnect is electrically connected to the third semiconductor regions. The first quenching part is electrically connected to the first interconnect. The second interconnect is electrically connected to the fifth semiconductor region.Type: GrantFiled: February 24, 2022Date of Patent: November 12, 2024Assignee: Kabushiki Kaisha ToshibaInventors: Mariko Shimizu, Ikuo Fujiwara, Keita Sasaki, Kazuaki Okamoto, Honam Kwon, Kazuhiro Suzuki
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Patent number: 12140624Abstract: The degree of freedom of an abnormality detection target location in a solid-state imaging device in which a plurality of substrates are joined is improved. A semiconductor device includes a connection line and a detection circuit. A plurality of semiconductor substrates are joined in the semiconductor device. Then, in the semiconductor device, the connection line is wired across the plurality of semiconductor substrates. The detection circuit detects the presence or absence of an abnormality in a joint surface of the plurality of semiconductor substrates based on an energization state of the connection line when enable has been set by a predetermined control signal.Type: GrantFiled: January 5, 2021Date of Patent: November 12, 2024Assignee: SONY SEMICONDUCTOR SOLUTIONS CORPORATIONInventors: Keita Takeuchi, Satoshi Yamamoto, Kyoichi Takenaka, Keita Sasaki
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Patent number: 12034091Abstract: According to one embodiment, a light detector includes a first semiconductor layer of a first conductivity type, a first region, a quenching part, a second region, and a first layer. The first region is located on a portion of the first semiconductor layer, includes a first-conductivity-type first semiconductor region that has a higher first-conductivity-type impurity concentration than the first semiconductor layer, and includes a second semiconductor region of a second conductivity type provided on the first semiconductor region. The quenching part is electrically connected to the second semiconductor region. The second region is located on another portion of the first semiconductor layer, includes a second-conductivity-type third semiconductor region, and includes a first-conductivity-type fourth semiconductor region provided on a portion of the third semiconductor region. The first layer is located on the second region and includes a resin that absorbs or reflects light.Type: GrantFiled: February 24, 2021Date of Patent: July 9, 2024Assignee: Kabushiki Kaisha ToshibaInventors: Honam Kwon, Kazuhiro Suzuki, Keita Sasaki, Mariko Shimizu
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Patent number: 11996419Abstract: According to one embodiment, a light detector includes a plurality of elements. Each of the elements includes a first semiconductor region, a second semiconductor region, and a third semiconductor region. The second semiconductor region is located on the first semiconductor region and has a higher first-conductivity-type impurity concentration than the first semiconductor region. The third semiconductor region is located on the second semiconductor region. The elements are arranged at a first period in a second direction crossing a first direction. The first direction is from the first semiconductor region toward the second semiconductor region. A quenching part is electrically connected with the third semiconductor region. Multiple lenses are located respectively on the elements. One of the lenses is positioned on one of the elements. A refracting layer is located between the elements and the lenses. The refracting layer has a first thickness.Type: GrantFiled: August 20, 2021Date of Patent: May 28, 2024Assignee: Kabushiki Kaisha ToshibaInventors: Kazuaki Okamoto, Honam Kwon, Mariko Shimizu, Kazuhiro Suzuki, Keita Sasaki, Ikuo Fujiwara
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Vehicle control device, vehicle control system, vehicle learning device, and vehicle learning method
Patent number: 11959545Abstract: A vehicle control device includes a processor and memory. The memory stores relation-defining data for defining a relation between a state of a vehicle and an action variable that is a variable relating to operations of a transmission installed in the vehicle. The processor is configured to execute acquisition processing, operation processing, reward calculation processing, updating processing, counting processing, and limiting processing. The processor is configured to output the relation-defining data updated so that an expected income is increased when the transmission is operated following the relation-defining data, based on an updating map.Type: GrantFiled: May 25, 2021Date of Patent: April 16, 2024Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Hideaki Bunazawa, Atsushi Tabata, Koichi Okuda, Ken Imamura, Kota Fujii, Keita Sasaki -
Publication number: 20240094349Abstract: A light detector according to one embodiment, includes a substrate. The substrate includes a first semiconductor layer, an insulating layer, and a second semiconductor layer. The insulating layer is located on the first semiconductor layer. The second semiconductor layer is located on the insulating layer. The second semiconductor layer includes a photoelectric conversion part. The photoelectric conversion part includes a first semiconductor region and a second semiconductor region. The substrate includes a void and a trench. The void is positioned below the photoelectric conversion part and between the first semiconductor layer and the second semiconductor layer. The trench surrounds the photoelectric conversion part. A lower end of the trench is positioned in the second semiconductor layer. The photoelectric conversion part is electrically connected with an upper surface side of the substrate via a portion below the trench.Type: ApplicationFiled: February 15, 2023Publication date: March 21, 2024Inventors: Keita SASAKI, Mariko SHIMIZU, Kazuhiro SUZUKI
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Publication number: 20240072191Abstract: A light detector includes a semiconductor layer and a light-receiving element. The semiconductor layer is of a first conductivity type. The light-receiving element includes a first semiconductor region, a second semiconductor region, a third semiconductor region, and a fourth semiconductor region. The first semiconductor region is of a second conductivity type. The second semiconductor region is located between the first semiconductor region and the semiconductor layer. The second semiconductor region is of the first conductivity type and contacts the first semiconductor region. The third semiconductor region is located between the second semiconductor region and the semiconductor layer. The third semiconductor region is of the second conductivity type. The fourth semiconductor region is located between the third semiconductor region and the semiconductor layer.Type: ApplicationFiled: February 24, 2023Publication date: February 29, 2024Inventors: Mariko SHIMIZU, Kazuhiro SUZUKI, Ikuo FUJIWARA, Ryoma KANEKO, Keita SASAKI
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Publication number: 20230406307Abstract: An electronic control unit carries out deceleration fuel cutoff for stopping fuel injection in an engine, and deceleration lockup for engaging a lockup clutch, at the time of deceleration of a vehicle. The electronic control unit then ends deceleration fuel cutoff and deceleration lockup upon fulfillment of a recovery condition. On the other hand, when a request to restrain heat-up of a filter device is made before fulfillment of the recovery condition, the electronic control unit stops deceleration fuel cutoff, but continues deceleration lockup.Type: ApplicationFiled: April 13, 2023Publication date: December 21, 2023Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Koji NAGATA, Keita SASAKI
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Patent number: 11840229Abstract: An electronic control unit carries out deceleration fuel cutoff for stopping fuel injection in an engine, and deceleration lockup for engaging a lockup clutch, at the time of deceleration of a vehicle. The electronic control unit then ends deceleration fuel cutoff and deceleration lockup upon fulfillment of a recovery condition, On the other hand, when a request to restrain heat-up of a filter device is made before fulfillment of the recovery condition, the electronic control unit stops deceleration fuel cutoff, but continues deceleration lockup.Type: GrantFiled: April 13, 2023Date of Patent: December 12, 2023Assignee: Toyota Jidosha Kabushiki KaishaInventors: Koji Nagata, Keita Sasaki
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Patent number: 11818333Abstract: An imaging device according to an embodiment of the present disclosure includes a pixel array including a plurality of pixels, a scanning control section that controls scanning of the plurality of pixels, and a readout control section that controls reading of the plurality of pixels. The imaging device further includes a first waveform generation part that generates a plurality of control signals for controlling of at least one of the scanning control section or the readout control section, a second waveform generation part that generates a plurality of reference signals, and a failure detection section that detects a failure of the first waveform generation part or the second waveform generation part on a basis of comparison between the plurality of control signals and the plurality of reference signals.Type: GrantFiled: December 19, 2019Date of Patent: November 14, 2023Assignee: Sony Semiconductor Solutions CorporationInventors: Keita Sasaki, Naoki Kawazu, Masaki Murozuka, Yuichi Motohashi
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Publication number: 20230336867Abstract: Provided is an imaging device that includes an imaging unit that performs an imaging operation, a data generator that generates first power supply voltage data corresponding to a first power supply voltage and a flag generation section that generates a flag signal for the first power supply voltage by comparing the first power supply voltage data and first reference data. The first power supply voltage is supplied to the imaging unit.Type: ApplicationFiled: June 20, 2023Publication date: October 19, 2023Inventors: NAOKI KAWAZU, KEITA SASAKI, TAKUMI OKA, YUICHI MOTOHASHI, ATSUSHI SUZUKI
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Publication number: 20230299103Abstract: A light detector according to one embodiment, includes an element region, a light concentrator, a structure part and a light-shielding part. The element region includes a first semiconductor region of a first conductivity type, and a second semiconductor region of a second conductivity type. The light concentrator is separated from the element region in a first direction. The light concentrator is configured to concentrate light incident on the light concentrator. The structure part is arranged with the element region in a direction crossing the first direction. The structure part has a different refractive index from the element region. The light-shielding part is located between the element region and the light concentrator. The light-shielding part includes an opening. At least a portion of the light incident on the light concentrator is able to be incident on the element region by passing through the opening.Type: ApplicationFiled: August 25, 2022Publication date: September 21, 2023Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Ryomo KANEKO, Mariko SHIMIZU, Keita SASAKI, Honam KWON, Ikuo FUJIWARA, Kazuhiro SUZUKI
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Publication number: 20230257214Abstract: A screw supply jig includes first and second members, the second being disposed lower than the first. Either member can be slidably moved relative to the other. In the first member, a first passage hole is formed in the vertical direction. In the second member, at least a part of a second passage hole is formed in the vertical direction. The second passage hole has a first and second recessed part which is penetration shape and having a larger than the first recessed part in planar view. The recessed parts are disposed side by side in the direction of relative sliding of the members, and are connected to each other. In conjunction with the relative sliding, a situation in which the first recessed part of the second passage hole faces the first passage hole, and a situation in which the second recessed part faces the first passage hole are switched.Type: ApplicationFiled: June 4, 2021Publication date: August 17, 2023Applicant: KAWASAKI JUKOGYO KABUSHIKI KAISHAInventors: Kazunori HIRATA, Keita SASAKI
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Patent number: 11729496Abstract: Provided is an imaging device that includes an imaging unit that performs an imaging operation, a data generator that generates first power supply voltage data corresponding to a first power supply voltage and a flag generation section that generates a flag signal for the first power supply voltage by comparing the first power supply voltage data and first reference data. The first power supply voltage is supplied to the imaging unit.Type: GrantFiled: May 3, 2022Date of Patent: August 15, 2023Assignee: SONY SEMICONDUCTOR SOLUTIONS CORPORATIONInventors: Naoki Kawazu, Keita Sasaki, Takumi Oka, Yuichi Motohashi, Atsushi Suzuki
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Publication number: 20230249348Abstract: A controller of a robot turns over a workpiece into a second state by causing a first end effector to execute a holding operation of holding a first portion in a first state, causing the first robot arm to execute, after the holding operation, a lifting operation of lifting the first end effector such that a second sheet surface separates from a turnover station, causing the first robot arm to execute, after the lifting operation, a lowering operation of lowering the first end effector with a first sheet surface facing downward, and causing the first end effector to execute, before completion of the lowering operation and after the holding operation, a rotary operation of rotating about a first rotation axis in a direction of raising a first end portion.Type: ApplicationFiled: June 29, 2021Publication date: August 10, 2023Applicant: KAWASAKI JUKOGYO KABUSHIKI KAISHAInventors: Kazunori HIRATA, Keita SASAKI
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Patent number: 11686630Abstract: To obtain an imaging device that can improve temperature detection accuracy. An imaging device of the present disclosure includes a processing unit formed on a first semiconductor substrate and capable of performing predetermined image processing on the basis of image data obtained by an imaging unit, a temperature sensor formed on the first semiconductor substrate and capable of generating a detection signal according to a temperature, and a first pad electrode formed on the first semiconductor substrate and electrically insulated from a circuit formed on the first semiconductor substrate.Type: GrantFiled: January 23, 2019Date of Patent: June 27, 2023Assignee: Sony Semiconductor Solutions CorporationInventors: Naoki Kawazu, Keita Sasaki, Takumi Oka, Mohammad Munirul Haque, Nobuhiko Fujimori, Makoto Satou, Masahiro Baba, Satoshi Yamamoto, Yuichi Motohashi, Atsushi Suzuki
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Patent number: 11649892Abstract: A hydraulic pressure calculation apparatus is applied to a gear shifting system including a transmission configured to switch between a connected state and a disconnected state of a friction engagement element depending on a hydraulic pressure supplied from a hydraulic circuit, and a hydraulic controller configured to control the hydraulic circuit. The hydraulic pressure calculation apparatus includes a memory and a processor. The memory stores pieces of mapping data of a plurality of phases obtained by dividing a period from a start to an end of switching between the connected state and the disconnected state of the friction engagement element. Each piece of the mapping data defines a mapping. The processor is configured to output, as an output variable, an estimated hydraulic pressure variable indicating an estimated value of an actual hydraulic pressure supplied from the hydraulic circuit to the friction engagement element.Type: GrantFiled: July 1, 2021Date of Patent: May 16, 2023Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Kota Fujii, Atsushi Tabata, Koichi Okuda, Ken Imamura, Hideaki Bunazawa, Keita Sasaki