Patents by Inventor Takumi OKA
Takumi OKA 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: 20240121893Abstract: According to an aspect, a stretchable device includes: a resin base member; and a signal line and a strain gauge stacked on the resin base member. The resin base member includes: a plurality of bodies disposed separately from each other; and a plurality of hinges that couple the bodies while meandering. The hinges each include: a plurality of bends that bend and are disposed between the bodies; and a base that linearly extends to couple one of the bodies to a corresponding one of the bends. The signal line includes: a bend signal line stacked on the bends; and a base signal line stacked on the base. The base signal line has an occupied area per unit length in a length direction of the signal line larger than the bend signal line when viewed in a stacking direction in which the signal line is stacked on the resin base member.Type: ApplicationFiled: October 4, 2023Publication date: April 11, 2024Applicant: Japan Display Inc.Inventors: Takumi SANO, Masatomo HISHINUMA, Yasushi TOMIOKA, Akio MURAYAMA, Shinichiro OKA
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Patent number: 11913851Abstract: A pressure sensor includes an insulating base material, a switching element disposed on the insulating base material, a piezoelectric layer disposed on the insulating base material and the switching element and an underlying layer located between the piezoelectric layer and the insulating base material, and the modulus of elasticity of the underlying layer is greater than the modulus of elasticity of the piezoelectric layer.Type: GrantFiled: August 31, 2021Date of Patent: February 27, 2024Assignee: Japan Display Inc.Inventors: Takumi Sano, Shinichiro Oka
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Publication number: 20240056697Abstract: The present disclosure relates to an imaging apparatus and an imaging method, a camera module, and an electronic apparatus that are capable of detecting a failure in an imaging device having a structure in which a plurality of substrates are stacked. The timing at which a row drive unit provided in a second substrate outputs a control signal for controlling accumulation and reading of pixel signals in a pixel array provided in a first substrate is compared with the timing at which the control signal output from the row drive unit is detected after passing through the pixel array. Depending on whether or not the timings coincides with each other, a failure is detected. The present disclosure can be applied to an imaging apparatus mounted on a vehicle.Type: ApplicationFiled: October 26, 2023Publication date: February 15, 2024Applicant: Sony Semiconductor Solutions CorporationInventors: Takumi Oka, Atsushi Suzuki, Naoki Kawazu
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Patent number: 11843881Abstract: The present disclosure relates to an imaging apparatus and an imaging method, a camera module, and an electronic apparatus that are capable of detecting a failure in an imaging device having a structure in which a plurality of substrates are stacked. The timing at which a row drive unit provided in a second substrate outputs a control signal for controlling accumulation and reading of pixel signals in a pixel array provided in a first substrate is compared with the timing at which the control signal output from the row drive unit is detected after passing through the pixel array. Depending on whether or not the timings coincides with each other, a failure is detected. The present disclosure can be applied to an imaging apparatus mounted on a vehicle.Type: GrantFiled: January 11, 2023Date of Patent: December 12, 2023Assignee: Sony Semiconductor Solutions CorporationInventors: Takumi Oka, Atsushi Suzuki, Naoki Kawazu
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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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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: 20230239460Abstract: In one example, an imaging device including a plurality of pixel circuits, a first control line, a second control line, a first voltage supply line, a second voltage supply line, a first light-receiving element, and a diagnosis unit is disclosed. The pixel circuits each include a first terminal, a second terminal, a third terminal, an accumulation unit, a first transistor, a second transistor, and an output unit. The first transistor is couples the third terminal to the accumulation unit on the basis of a voltage of the first terminal. The second transistor supplies a predetermined voltage to the accumulation unit on the basis of a voltage of the second terminal. The output unit outputs a signal corresponding to a voltage in the accumulation unit.Type: ApplicationFiled: April 5, 2023Publication date: July 27, 2023Inventors: Takumi Oka, Naoki Kawazu, Atsushi Suzuki
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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: 11588990Abstract: The present disclosure relates to an imaging apparatus and an imaging method, a camera module, and an electronic apparatus that are capable of detecting a failure in an imaging device having a structure in which a plurality of substrates are stacked. The timing at which a row drive unit provided in a second substrate outputs a control signal for controlling accumulation and reading of pixel signals in a pixel array provided in a first substrate is compared with the timing at which the control signal output from the row drive unit is detected after passing through the pixel array. Depending on whether or not the timings coincides with each other, a failure is detected. The present disclosure can be applied to an imaging apparatus mounted on a vehicle.Type: GrantFiled: December 21, 2020Date of Patent: February 21, 2023Assignee: Sony Semiconductor Solutions CorporationInventors: Takumi Oka, Atsushi Suzuki, Naoki Kawazu
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Publication number: 20220279121Abstract: 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: May 3, 2022Publication date: September 1, 2022Inventors: NAOKI KAWAZU, KEITA SASAKI, TAKUMI OKA, YUICHI MOTOHASHI, ATSUSHI SUZUKI
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Patent number: 11343427Abstract: An imaging device according to the present disclosure includes: an imaging unit configured to perform an imaging operation; a data generator configured to generate first power supply voltage data corresponding to a first power supply voltage; and a flag generation section configured to generate 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: February 5, 2019Date of Patent: May 24, 2022Assignee: SONY SEMICONDUCTOR SOLUTIONS CORPORATIONInventors: Naoki Kawazu, Keita Sasaki, Takumi Oka, Yuichi Motohashi, Atsushi Suzuki
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Patent number: 11330212Abstract: An imaging device according to the present disclosure includes a plurality of pixels each including a first light-receiving element and a second light-receiving element, the plurality of pixels including a first pixel. The imaging device further includes a generating section that generates a first detection value on a basis of a light-receiving result by the first light-receiving element of each of the plurality of pixels, and generates a second detection value on a basis of a light-receiving result by the second light-receiving element of each of the plurality of pixels. The imaging device further includes a diagnosis section that performs a diagnosis processing on a basis of a detection ratio that is a ratio between the first detection value and the second detection value in the first pixel.Type: GrantFiled: October 15, 2018Date of Patent: May 10, 2022Assignee: SONY SEMICONDUCTOR SOLUTIONS CORPORATIONInventors: Naoki Kawazu, Keita Sasaki, Takumi Oka, Mohammad Munirul Haque, Yuichi Motohashi, Atsushi Suzuki
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Patent number: 11284024Abstract: The present technology relates to a solid-state imaging device, a driving method, and an electronic device that are able to enhance a gray scale of a combined pixel value obtained from a pixel including a plurality of photoelectric conversion units having different light receiving sensitivities. In a pixel array unit, a pixel including a plurality of photoelectric conversion units having different light receiving sensitivities is disposed. An analog to digital (AD) conversion unit that compares an electric signal corresponding to a charge of the photoelectric conversion unit having a low light receiving sensitivity among the plurality of photoelectric conversion units included in the pixel of the pixel array unit with a nonlinear reference signal that changes nonlinearly to perform AD conversion on the electric signal. The present technology is able to be applied to, for example, a complementary metal-oxide semiconductor (CMOS) image sensor.Type: GrantFiled: November 10, 2017Date of Patent: March 22, 2022Assignee: Sony Semiconductor Solutions CorporationInventors: Naoki Kawazu, Atsushi Suzuki, Takumi Oka
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Publication number: 20220074797Abstract: An imaging device (1) according to the present disclosure includes a pixel array unit (10) that includes a pixel, an analog signal generation unit, an A/D conversion unit (23), and a switch. The analog signal generation unit generates an analog signal based on a temperature around the pixel array unit (10). The A/D conversion unit (23) converts the analog signal into a digital signal. The switch cuts off the analog signal to be supplied to the A/D conversion unit.Type: ApplicationFiled: December 9, 2019Publication date: March 10, 2022Inventors: TAKURO KOSAKA, NAOKI KAWAZU, TAKUMI OKA
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Publication number: 20210409680Abstract: In one example, an imaging device including a plurality of pixel circuits, a first control line, a second control line, a first voltage supply line, a second voltage supply line, a first light-receiving element, and a diagnosis unit is disclosed. The pixel circuits each include a first terminal, a second terminal, a third terminal, an accumulation unit, a first transistor, a second transistor, and an output unit. The first transistor is couples the third terminal to the accumulation unit on the basis of a voltage of the first terminal. The second transistor supplies a predetermined voltage to the accumulation unit on the basis of a voltage of the second terminal. The output unit outputs a signal corresponding to a voltage in the accumulation unit.Type: ApplicationFiled: July 13, 2021Publication date: December 30, 2021Inventors: Takumi Oka, Naoki Kawazu, Atsushi Suzuki
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Patent number: 11089248Abstract: The present disclosure relates to an imaging apparatus and an imaging method, a camera module, and an electronic apparatus that are capable of detecting a failure in an imaging device having a structure in which a plurality of substrates are stacked. The timing at which a row drive unit provided in a second substrate outputs a control signal for controlling accumulation and reading of pixel signals in a pixel array provided in a first substrate is compared with the timing at which the control signal output from the row drive unit is detected after passing through the pixel array. Depending on whether or not the timings coincides with each other, a failure is detected. The present disclosure can be applied to an imaging apparatus mounted on a vehicle.Type: GrantFiled: June 2, 2020Date of Patent: August 10, 2021Assignee: Sony Semiconductor Solutions CorporationInventors: Takumi Oka, Atsushi Suzuki, Naoki Kawazu
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Patent number: 11089293Abstract: In one example, an imaging device including a plurality of pixel circuits a first control line, a second control line, a first voltage supply line, a second voltage supply line, a first light-receiving element, and a diagnosis unit is disclosed. The pixel circuits each includes a first terminal, a second terminal, a third terminal, an accumulation unit, a first transistor, a second transistor, and an output unit. The first transistor is couples the third terminal to the accumulation unit on the basis of a voltage of the first terminal. The second transistor supplies a predetermined voltage to the accumulation unit on the basis of a voltage of the second terminal. The output unit to outputs a signal corresponding to a voltage in the accumulation unit.Type: GrantFiled: November 7, 2018Date of Patent: August 10, 2021Assignee: Sony Semiconductor Solutions CorporationInventors: Takumi Oka, Naoki Kawazu, Atsushi Suzuki
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Patent number: 11082651Abstract: The present disclosure relates to an imaging apparatus and an imaging method, a camera module, and an electronic apparatus that are capable of detecting a failure in an imaging device having a structure in which a plurality of substrates are stacked. The timing at which a row drive unit provided in a second substrate outputs a control signal for controlling accumulation and reading of pixel signals in a pixel array provided in a first substrate is compared with the timing at which the control signal output from the row drive unit is detected after passing through the pixel array. Depending on whether or not the timings coincides with each other, a failure is detected. The present disclosure can be applied to an imaging apparatus mounted on a vehicle.Type: GrantFiled: February 19, 2020Date of Patent: August 3, 2021Assignee: Sony Semiconductor Solutions CorporationInventors: Takumi Oka, Atsushi Suzuki, Naoki Kawazu
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Publication number: 20210112213Abstract: The present disclosure relates to an imaging apparatus and an imaging method, a camera module, and an electronic apparatus that are capable of detecting a failure in an imaging device having a structure in which a plurality of substrates are stacked. The timing at which a row drive unit provided in a second substrate outputs a control signal for controlling accumulation and reading of pixel signals in a pixel array provided in a first substrate is compared with the timing at which the control signal output from the row drive unit is detected after passing through the pixel array. Depending on whether or not the timings coincides with each other, a failure is detected. The present disclosure can be applied to an imaging apparatus mounted on a vehicle.Type: ApplicationFiled: December 21, 2020Publication date: April 15, 2021Applicant: Sony Semiconductor Solutions CorporationInventors: Takumi Oka, Atsushi Suzuki, Naoki Kawazu
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Publication number: 20210041305Abstract: 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: ApplicationFiled: January 23, 2019Publication date: February 11, 2021Applicant: Sony Semiconductor Solutions CorporationInventors: Naoki Kawazu, Keita Sasaki, Takumi Oka, Mohammad Munir Haque, Nobuhiko Fujimori, Makoto Satou, Masahiro Baba, Satoshi Yamamoto, Yuichi Motohashi, Atsushi Suzuki