Patents by Inventor Atsushi Komai
Atsushi Komai 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: 11863887Abstract: An image sensor including a pixel that includes: a first photoelectric conversion unit and a second photoelectric conversion unit, each of which generates an electric charge through photoelectric conversion of light; an output unit that outputs a first signal generated based upon the electric charge generated in the first photoelectric conversion unit and a second signal generated based upon an electric charge generated in the second photoelectric conversion unit; and an adjustment unit that adjusts a capacitance at the output unit upon outputting of the first signal and the second signal from the output unit.Type: GrantFiled: October 14, 2022Date of Patent: January 2, 2024Assignee: NIKON CORPORATIONInventor: Atsushi Komai
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Publication number: 20230396894Abstract: An image sensor includes: a readout circuit that reads out a signal to a signal line, the signal being generated by an electric charge resulting from a photoelectric conversion; a holding circuit that holds a voltage based on an electric current from a power supply circuit; and an electric current source including a transistor having a drain part connected to the signal line and a gate part connected to the holding circuit and the drain part, the electric current source supplying the signal line with an electric current generated by the voltage held in the holding circuit.Type: ApplicationFiled: August 3, 2023Publication date: December 7, 2023Applicant: NIKON CORPORATIONInventors: Wataru FUNAMIZU, Masahiro JUEN, Atsushi KOMAI
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Publication number: 20230379597Abstract: An image sensor includes a plurality of pixel blocks and a connection unit. The plurality of pixel blocks includes: a diffusion unit to which an electric charge resulting from photoelectric conversion is transferred; and a transistor containing a source electrically connected with the diffusion unit. The connection unit is electrically connected with a drain of the transistor included in each of the plurality of pixel blocks.Type: ApplicationFiled: July 27, 2023Publication date: November 23, 2023Applicant: NIKON CORPORATIONInventors: Atsushi KOMAI, Yoshiyuki WATANABE, Osamu SARUWATARI
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Patent number: 11812172Abstract: An image sensor includes: a readout circuit that reads out a signal to a signal line, the signal being generated by an electric charge resulting from a photoelectric conversion; a holding circuit that holds a voltage based on an electric current from a power supply circuit; and an electric current source including a transistor having a drain part connected to the signal line and a gate part connected to the holding circuit and the drain part, the electric current source supplying the signal line with an electric current generated by the voltage held in the holding circuit.Type: GrantFiled: March 15, 2022Date of Patent: November 7, 2023Assignee: NIKON CORPORATIONInventors: Wataru Funamizu, Masahiro Juen, Atsushi Komai
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Patent number: 11800252Abstract: An image sensor includes: a readout circuit that reads out a signal to a signal line, the signal being generated by an electric charge resulting from a photoelectric conversion; a holding circuit that holds a voltage based on an electric current from a power supply circuit; and an electric current source including a transistor having a drain part connected to the signal line and a gate part connected to the holding circuit and the drain part, the electric current source supplying the signal line with an electric current generated by the voltage held in the holding circuit.Type: GrantFiled: October 2, 2019Date of Patent: October 24, 2023Assignee: NIKON CORPORATIONInventors: Wataru Funamizu, Masahiro Juen, Atsushi Komai
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Patent number: 11765473Abstract: An image sensor includes a plurality of pixel blocks and a connection unit. The plurality of pixel blocks includes: a diffusion unit to which an electric charge resulting from photoelectric conversion is transferred; and a transistor containing a source electrically connected with the diffusion unit. The connection unit is electrically connected with a drain of the transistor included in each of the plurality of pixel blocks.Type: GrantFiled: February 12, 2021Date of Patent: September 19, 2023Assignee: NIKON CORPORATIONInventors: Atsushi Komai, Yoshiyuki Watanabe, Osamu Saruwatari
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Publication number: 20230292018Abstract: An image sensor includes: a first readout circuit that reads out a first signal, being generated by an electric charge resulting from a photoelectric conversion, to a first signal line; a first holding circuit that holds a voltage based on an electric current from a power supply circuit; and a first electric current source that supplies the first signal line with an electric current generated by the voltage held in the first holding circuit, wherein: the first holding circuit holds the voltage based on the electric current from the power supply circuit when the first signal is not read out to the first signal line by the first readout circuit.Type: ApplicationFiled: May 23, 2023Publication date: September 14, 2023Applicant: NIKON CORPORATIONInventors: Wataru FUNAMIZU, Masahiro JUEN, Atsushi KOMAI
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Patent number: 11758301Abstract: An image sensor includes: a readout circuit that reads out a signal to a signal line, the signal being generated by an electric charge resulting from a photoelectric conversion; a holding circuit that holds a voltage based on an electric current from a power supply circuit; and an electric current source including a transistor having a drain part connected to the signal line and a gate part connected to the holding circuit and the drain part, the electric current source supplying the signal line with an electric current generated by the voltage held in the holding circuit.Type: GrantFiled: October 2, 2019Date of Patent: September 12, 2023Assignee: NIKON CORPORATIONInventors: Wataru Funamizu, Masahiro Juen, Atsushi Komai
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Patent number: 11742376Abstract: An image sensor includes: a plurality of pixels having photoelectric conversion units that convert incident light to charges, and readout units; a first signal line, connected to the plurality of pixels, that outputs a first signal transferred to the readout unit based upon the charge converted by the photoelectric conversion unit; and a second signal line, connected to the plurality of pixels, that outputs a second signal after the readout unit has been reset.Type: GrantFiled: October 15, 2021Date of Patent: August 29, 2023Assignee: NIKON CORPORATIONInventors: Masahiro Juen, Atsushi Komai
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Publication number: 20230261025Abstract: An image sensor includes a first semiconductor substrate provided with a pixel, including a photoelectric conversion unit that photoelectrically converts incident light to generate an electric charge, an accumulation unit that accumulates the electric charge generated by the photoelectric conversion unit, and a transfer unit that transfers the electric charge generated by the photoelectric conversion unit to the accumulation unit, and a second semiconductor substrate provided with a supply unit for the pixel, the supply unit supplying the transfer unit with a transfer signal to transfer the electric charge from the photoelectric conversion unit to the accumulation unit.Type: ApplicationFiled: April 18, 2023Publication date: August 17, 2023Applicant: NIKON CORPORATIONInventors: Osamu SARUWATARI, Shutaro KATO, Ryoji ANDO, Yojiro TEZUKA, Atsushi KOMAI
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Patent number: 11705468Abstract: Image-capturing device includes: an image sensor that includes a first pixel and a second pixel, each having a filter unit that can be switched to a light-shielding state in which light is blocked or to a transmissive state in which light is transmitted, a photoelectric conversion unit that generates an electric charge through photoelectric conversion of light transmitted through the filter unit and an output unit that outputs a signal based upon electric charge generated at the photoelectric conversion unit, and; a correction unit that corrects a signal output from the output unit of the first pixel while the filter unit of the first pixel is in a transmissive state, based upon a signal output from the output unit of the first pixel with the filter unit of the first pixel set in a light-shielding state and with the filter unit of the second pixel set in a transmissive state.Type: GrantFiled: September 29, 2017Date of Patent: July 18, 2023Assignee: NIKON CORPORATIONInventor: Atsushi Komai
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Patent number: 11706541Abstract: A first circuit constituting a plurality of first circuit in a first direction, which stores a signal output from a pixel having a photoelectric conversion unit; a first control unit to which the plurality of first circuits are connected and outputs a first signal for outputting signals stored in the plurality of first circuits; a readout unit that reads out the signal output from the first circuit; a plurality of second circuits that are connected to the first control unit, a plurality of sets of the plurality of second circuits in the first direction; and a second control unit that controls a readout of the signal by the readout unit. The first control unit outputs a second signal to the plurality of second circuits together with the first signal; and the second control unit controls the readout of the signal by the readout unit, based on the second signal.Type: GrantFiled: July 6, 2021Date of Patent: July 18, 2023Assignee: NIKON CORPORATIONInventor: Atsushi Komai
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Patent number: 11696047Abstract: An image sensor includes: a first readout circuit that reads out a first signal, being generated by an electric charge resulting from a photoelectric conversion, to a first signal line; a first holding circuit that holds a voltage based on an electric current from a power supply circuit; and a first electric current source that supplies the first signal line with an electric current generated by the voltage held in the first holding circuit, wherein: the first holding circuit holds the voltage based on the electric current from the power supply circuit when the first signal is not read out to the first signal line by the first readout circuit.Type: GrantFiled: April 20, 2021Date of Patent: July 4, 2023Assignee: NIKON CORPORATIONInventors: Wataru Funamizu, Masahiro Juen, Atsushi Komai
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Patent number: 11664404Abstract: An image sensor includes a first semiconductor substrate provided with a pixel, including a photoelectric conversion unit that photoelectrically converts incident light to generate an electric charge, an accumulation unit that accumulates the electric charge generated by the photoelectric conversion unit, and a transfer unit that transfers the electric charge generated by the photoelectric conversion unit to the accumulation unit, and a second semiconductor substrate provided with a supply unit for the pixel, the supply unit supplying the transfer unit with a transfer signal to transfer the electric charge from the photoelectric conversion unit to the accumulation unit.Type: GrantFiled: December 21, 2020Date of Patent: May 30, 2023Assignee: NIKON CORPORATIONInventors: Osamu Saruwatari, Shutaro Kato, Ryoji Ando, Yojiro Tezuka, Atsushi Komai
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Publication number: 20230036138Abstract: An image sensor including a pixel that includes: a first photoelectric conversion unit and a second photoelectric conversion unit, each of which generates an electric charge through photoelectric conversion of light; an output unit that outputs a first signal generated based upon the electric charge generated in the first photoelectric conversion unit and a second signal generated based upon an electric charge generated in the second photoelectric conversion unit; and an adjustment unit that adjusts a capacitance at the output unit upon outputting of the first signal and the second signal from the output unit.Type: ApplicationFiled: October 14, 2022Publication date: February 2, 2023Applicant: NIKON CORPORATIONInventor: Atsushi KOMAI
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Patent number: 11509841Abstract: An image sensor including a pixel that includes: a first photoelectric conversion unit and a second photoelectric conversion unit, each of which generates an electric charge through photoelectric conversion of light; an output unit that outputs a first signal generated based upon the electric charge generated in the first photoelectric conversion unit and a second signal generated based upon an electric charge generated in the second photoelectric conversion unit; and an adjustment unit that adjusts a capacitance at the output unit upon outputting of the first signal and the second signal from the output unit.Type: GrantFiled: January 31, 2018Date of Patent: November 22, 2022Assignee: NIKON CORPORATIONInventor: Atsushi Komai
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Patent number: 11451723Abstract: An image sensor, includes: a plurality of pixels arranged along a first direction, each of which includes a photoelectric conversion unit that generates an electric charge through photoelectric conversion of light, and outputs a signal generated based upon the electric charge generated in the photoelectric conversion unit; a first signal line to which signals from one or more pixels among the plurality of pixels are output; a second signal line to which a signal from another pixel among the plurality of pixels is output; and an arithmetic unit that executes an arithmetic operation with a signal generated by combining the signals from the one or more pixels output to the first signal line and the signal output to the second signal line.Type: GrantFiled: May 12, 2021Date of Patent: September 20, 2022Assignee: NIKON CORPORATIONInventor: Atsushi Komai
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Publication number: 20220210356Abstract: An image sensor includes: a readout circuit that reads out a signal to a signal line, the signal being generated by an electric charge resulting from a photoelectric conversion; a holding circuit that holds a voltage based on an electric current from a power supply circuit; and an electric current source including a transistor having a drain part connected to the signal line and a gate part connected to the holding circuit and the drain part, the electric current source supplying the signal line with an electric current generated by the voltage held in the holding circuit.Type: ApplicationFiled: March 15, 2022Publication date: June 30, 2022Applicant: NIKON CORPORATIONInventors: Wataru FUNAMIZU, Masahiro JUEN, Atsushi KOMAI
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Publication number: 20220075104Abstract: An image sensor includes: a plurality of filter units, transmission wavelengths of which can be adjusted; a plurality of photoelectric conversion units that receive light transmitted through the filter unit; and a control unit that alters a size of a first region containing a first filter unit, among the plurality of filter units, through which light at a first wavelength is transmitted before entering a photoelectric conversion unit.Type: ApplicationFiled: October 26, 2021Publication date: March 10, 2022Applicant: NIKON CORPORATIONInventor: Atsushi KOMAI
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Publication number: 20220037391Abstract: An image sensor includes: a plurality of pixels having photoelectric conversion units that convert incident light to charges, and readout units; a first signal line, connected to the plurality of pixels, that outputs a first signal transferred to the readout unit based upon the charge converted by the photoelectric conversion unit; and a second signal line, connected to the plurality of pixels, that outputs a second signal after the readout unit has been reset.Type: ApplicationFiled: October 15, 2021Publication date: February 3, 2022Applicant: NIKON CORPORATIONInventors: Masahiro JUEN, Atsushi KOMAI