Patents by Inventor Masaaki Iwane
Masaaki Iwane 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: 11743448Abstract: Provided is an electronic device including a cell array unit in which cells are arranged in rows and columns, signal lines, each of the signal lines being arranged corresponding to one of the rows or columns and being connected to corresponding cells, a first electrode via which a signal according to a signal transmitted via at least one of the signal lines passes, a second electrode to which a selection signal is input to select a part of the signal lines; and a third electrode that is electrically connected to a node between cells that are connected to the part of the signal lines selected based on the selection signal and the first electrode. A voltage potential of the third electrode correlates with a voltage potential of the part of the signal lines selected based on the selection signal.Type: GrantFiled: March 2, 2021Date of Patent: August 29, 2023Assignee: CANON KABUSHIKI KAISHAInventor: Masaaki Iwane
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Patent number: 11728816Abstract: A PLL circuit includes: a charge pump; a voltage-controlled oscillator including an oscillation portion; and a voltage-converting circuit configured to convert a voltage from the charge pump and apply the converted voltage to the voltage-controlled oscillator. The power supply range supplied to the voltage-converting circuit is larger than the power supply range supplied to the oscillation portion of the voltage-controlled oscillator.Type: GrantFiled: March 11, 2022Date of Patent: August 15, 2023Assignee: Canon Kabushiki KaishaInventor: Masaaki Iwane
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Publication number: 20230237960Abstract: A semiconductor device including a first buffer circuit and a second buffer circuit each configured to output a control signal to one control line based on an input from a signal output circuit, and an element configured to receive the control signal transmitted through the one control line. The second buffer circuit is switchable between electrical connection and electrical disconnection to the one control line. A first mode in which a current is supplied to the one control line with a first driving capability by the first buffer circuit and a second mode in which a current is supplied to the one control line with a second driving capability greater than the first driving capability by both the first buffer circuit and the second buffer circuit are switchable.Type: ApplicationFiled: January 18, 2023Publication date: July 27, 2023Inventors: MASAAKI IWANE, SHOJI KONO, SHUSUKE YANAGAWA
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Publication number: 20230099575Abstract: A display device according to the present invention, includes: a first substrate including a first single-crystal semiconductor substrate provided with a plurality of light emitting portions and with a first drive circuit that drives the plurality of light emitting portions, wherein the first single-crystal semiconductor substrate includes a plurality of light guiding portions that transmit light so as to implement a see-through function.Type: ApplicationFiled: September 22, 2022Publication date: March 30, 2023Inventors: Masaaki Iwane, Shoji Kono, Shusuke Yanagawa, Yoshiaki Miyamoto
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Publication number: 20220408050Abstract: Provided is a photoelectric conversion device including a pixel array that includes pixels forming columns and is arranged in a substrate, first signal lines each transmitting a signal output from a pixel of a corresponding column, an analog circuit arranged in the substrate and configured to process signals from the pixels, second signal lines transmitting signals from the pixels to the analog circuit on a column basis, a switch configured to change a combination of connections between the first signal lines and the second signal lines, and a shift register arranged in the substrate, including a flip-flop, and configured to control the switch. In a plan view with respect to the substrate, the shift register is arranged between the pixel array and the analog circuit. In the plan view, the switch and the flip-flop are arranged in a direction different from a direction in which the first signal lines extend.Type: ApplicationFiled: June 3, 2022Publication date: December 22, 2022Inventor: Masaaki Iwane
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Publication number: 20220294457Abstract: A PLL circuit includes: a charge pump; a voltage-controlled oscillator including an oscillation portion; and a voltage-converting circuit configured to convert a voltage from the charge pump and apply the converted voltage to the voltage-controlled oscillator. The power supply range supplied to the voltage-converting circuit is larger than the power supply range supplied to the oscillation portion of the voltage-controlled oscillator.Type: ApplicationFiled: March 11, 2022Publication date: September 15, 2022Inventor: Masaaki Iwane
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Publication number: 20210289195Abstract: Provided is an electronic device including a cell array unit in which cells are arranged in rows and columns, signal lines, each of the signal lines being arranged corresponding to one of the rows or columns and being connected to corresponding cells, a first electrode via which a signal according to a signal transmitted via at least one of the signal lines passes, a second electrode to which a selection signal is input to select a part of the signal lines; and a third electrode that is electrically connected to a node between cells that are connected to the part of the signal lines selected based on the selection signal and the first electrode. A voltage potential of the third electrode correlates with a voltage potential of the part of the signal lines selected based on the selection signal.Type: ApplicationFiled: March 2, 2021Publication date: September 16, 2021Inventor: Masaaki Iwane
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Patent number: 11006036Abstract: An image sensor comprising a pixel portion that is constituted by a plurality of pixels, and includes a first pixel group and a second pixel group, wherein each of the pixels included in the first pixel group and the second pixel group includes: a plurality of photoelectric conversion portions; and a plurality of transfer gates that respectively correspond to the photoelectric conversion portions, and have transfer gate electrodes covering same partial regions in the photoelectric conversion portions, and an average position of barycenters of respective light receivable regions of the photoelectric conversion portions included in each pixel of the first pixel group and an average position of barycenters of respective light receivable regions of the photoelectric conversion portions included in each pixel of the second pixel group are at positions different from each other in the pixels.Type: GrantFiled: July 12, 2019Date of Patent: May 11, 2021Assignee: CANON KABUSHIKI KAISHAInventors: Koichi Fukuda, Junichi Saito, Yumi Takao, Yoshiaki Takada, Masaaki Iwane, Shoji Kono
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Patent number: 10811448Abstract: A solid-state imaging device includes a plurality of pixels, a reference signal supply unit configured to output a reference signal, and a comparison unit configured to output a signal depending on the reference signal and a signal from the pixel. The comparison unit includes a comparator circuit including an input terminal and an output terminal, a first switch configured to connect the input terminal and the output terminal of the comparator circuit, a clamp capacitor including a first terminal connected to the input terminal of the comparator circuit, a second switch connected to a second terminal of the clamp capacitor, and configured to select one of the signal from the pixel and the reference signal and to input the selected signal to the second terminal, and a clipping circuit arranged in an electrical path through which the reference signal is input to the comparator circuit.Type: GrantFiled: March 26, 2018Date of Patent: October 20, 2020Assignee: CANON KABUSHIKI KAISHAInventors: Kohichi Nakamura, Masaaki Iwane
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Publication number: 20190335093Abstract: An image sensor comprising a pixel portion that is constituted by a plurality of pixels, and includes a first pixel group and a second pixel group, wherein each of the pixels included in the first pixel group and the second pixel group includes: a plurality of photoelectric conversion portions; and a plurality of transfer gates that respectively correspond to the photoelectric conversion portions, and have transfer gate electrodes covering same partial regions in the photoelectric conversion portions, and an average position of barycenters of respective light receivable regions of the photoelectric conversion portions included in each pixel of the first pixel group and an average position of barycenters of respective light receivable regions of the photoelectric conversion portions included in each pixel of the second pixel group are at positions different from each other in the pixels.Type: ApplicationFiled: July 12, 2019Publication date: October 31, 2019Inventors: Koichi Fukuda, Junichi Saito, Yumi Takao, Yoshiaki Takada, Masaaki Iwane, Shoji Kono
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Patent number: 10404905Abstract: An image sensor comprising a pixel portion that is constituted by a plurality of pixels, and includes a first pixel group and a second pixel group, wherein each of the pixels included in the first pixel group and the second pixel group includes: a plurality of photoelectric conversion portions; and a plurality of transfer gates that respectively correspond to the photoelectric conversion portions, and have transfer gate electrodes covering same partial regions in the photoelectric conversion portions, and an average position of barycenters of respective light receivable regions of the photoelectric conversion portions included in each pixel of the first pixel group and an average position of barycenters of respective light receivable regions of the photoelectric conversion portions included in each pixel of the second pixel group are at positions different from each other in the pixels.Type: GrantFiled: April 4, 2017Date of Patent: September 3, 2019Assignee: Canon Kabushiki KaishaInventors: Koichi Fukuda, Junichi Saito, Yumi Takao, Yoshiaki Takada, Masaaki Iwane, Shoji Kono
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Patent number: 10404933Abstract: Provided is a solid-state imaging apparatus, including: a first amplifier and a second amplifier; a coupling capacitor including a first electrode and a second electrode; a first metal member configured to connect an output terminal of the first amplifier and the first electrode; and a second metal member configured to connect an input terminal of the second amplifier and the second electrode, wherein, in a cross section perpendicular to a line that runs from the second electrode toward the input terminal of the second amplifier, the first metal member is arranged in at least two directions out of directions relative to the second metal member that are above, below, to the left of, and to the right of the second metal member.Type: GrantFiled: February 27, 2018Date of Patent: September 3, 2019Assignee: CANON KABUSHIKI KAISHAInventors: Masaaki Iwane, Akira Okita
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Patent number: 10298867Abstract: The imaging device includes a first pixel group and a second pixel group that include a plurality of pixels each having a plurality of photoelectric conversion portions that are separated by an isolation portion and arranged in a first direction and a plurality of transfer gates that transfer charges of the plurality of photoelectric conversion portions. A position of at least a part of the isolation portion within each of the pixels of the first pixel group and a position of at least a part of the isolation portion within each of the pixels of the second pixel group are shifted relative to each other in the first direction. Respective widths of portions where the plurality of separated photoelectric conversion portions overlap with the plurality of transfer gates in a planar view are the same.Type: GrantFiled: May 29, 2018Date of Patent: May 21, 2019Assignee: CANON KABUSHIKI KAISHAInventors: Yoshiaki Takada, Masaaki Iwane, Shoji Kono, Koichi Fukuda, Junichi Saito, Yumi Takao
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Publication number: 20180278871Abstract: The imaging device includes a first pixel group and a second pixel group that include a plurality of pixels each having a plurality of photoelectric conversion portions that are separated by an isolation portion and arranged in a first direction and a plurality of transfer gates that transfer charges of the plurality of photoelectric conversion portions. A position of at least a part of the isolation portion within each of the pixels of the first pixel group and a position of at least a part of the isolation portion within each of the pixels of the second pixel group are shifted relative to each other in the first direction. Respective widths of portions where the plurality of separated photoelectric conversion portions overlap with the plurality of transfer gates in a planar view are the same.Type: ApplicationFiled: May 29, 2018Publication date: September 27, 2018Inventors: Yoshiaki Takada, Masaaki Iwane, Shoji Kono, Koichi Fukuda, Junichi Saito, Yumi Takao
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Publication number: 20180219037Abstract: A solid-state imaging device includes a plurality of pixels, a reference signal supply unit configured to output a reference signal, and a comparison unit configured to output a signal depending on the reference signal and a signal from the pixel. The comparison unit includes a comparator circuit including an input terminal and an output terminal, a first switch configured to connect the input terminal and the output terminal of the comparator circuit, a clamp capacitor including a first terminal connected to the input terminal of the comparator circuit, a second switch connected to a second terminal of the clamp capacitor, and configured to select one of the signal from the pixel and the reference signal and to input the selected signal to the second terminal, and a clipping circuit arranged in an electrical path through which the reference signal is input to the comparator circuit.Type: ApplicationFiled: March 26, 2018Publication date: August 2, 2018Inventors: Kohichi Nakamura, Masaaki Iwane
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Patent number: 10021328Abstract: The imaging device includes a first pixel group and a second pixel group that include a plurality of pixels each having a plurality of photoelectric conversion portions that are separated by an isolation portion and arranged in a first direction and a plurality of transfer gates that transfer charges of the plurality of photoelectric conversion portions. A position of at least a part of the isolation portion within each of the pixels of the first pixel group and a position of at least a part of the isolation portion within each of the pixels of the second pixel group are shifted relative to each other in the first direction. Respective widths of portions where the plurality of separated photoelectric conversion portions overlap with the plurality of transfer gates in a planar view are the same.Type: GrantFiled: April 14, 2017Date of Patent: July 10, 2018Assignee: CANON KABUSHIKI KAISHAInventors: Yoshiaki Takada, Masaaki Iwane, Shoji Kono, Koichi Fukuda, Junichi Saito, Yumi Takao
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Publication number: 20180191983Abstract: Provided is a solid-state imaging apparatus, including: a first amplifier and a second amplifier; a coupling capacitor including a first electrode and a second electrode; a first metal member configured to connect an output terminal of the first amplifier and the first electrode; and a second metal member configured to connect an input terminal of the second amplifier and the second electrode, wherein, in a cross section perpendicular to a line that runs from the second electrode toward the input terminal of the second amplifier, the first metal member is arranged in at least two directions out of directions relative to the second metal member that are above, below, to the left of, and to the right of the second metal member.Type: ApplicationFiled: February 27, 2018Publication date: July 5, 2018Inventors: Masaaki Iwane, Akira Okita
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Patent number: 9966398Abstract: A solid-state imaging device includes a plurality of pixels, a reference signal supply unit configured to output a reference signal, and a comparison unit configured to output a signal depending on the reference signal and a signal from the pixel. The comparison unit includes a comparator circuit including an input terminal and an output terminal, a first switch configured to connect the input terminal and the output terminal of the comparator circuit, a clamp capacitor including a first terminal connected to the input terminal of the comparator circuit, a second switch connected to a second terminal of the clamp capacitor, and configured to select one of the signal from the pixel and the reference signal and to input the selected signal to the second terminal, and a clipping circuit arranged in an electrical path through which the reference signal is input to the comparator circuit.Type: GrantFiled: July 22, 2016Date of Patent: May 8, 2018Assignee: CANON KABUSHIKI KAISHAInventors: Kohichi Nakamura, Masaaki Iwane
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Patent number: 9948877Abstract: Provided is a solid-state imaging apparatus, including: a first amplifier and a second amplifier; a coupling capacitor including a first electrode and a second electrode; a first metal member configured to connect an output terminal of the first amplifier and the first electrode; and a second metal member configured to connect an input terminal of the second amplifier and the second electrode, wherein, in a cross section perpendicular to a line that runs from the second electrode toward the input terminal of the second amplifier, the first metal member is arranged in at least two directions out of directions relative to the second metal member that are above, below, to the left of, and to the right of the second metal member.Type: GrantFiled: August 5, 2015Date of Patent: April 17, 2018Assignee: CANON KABUSHIKI KAISHAInventors: Masaaki Iwane, Akira Okita
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Publication number: 20170310913Abstract: The imaging device includes a first pixel group and a second pixel group that include a plurality of pixels each having a plurality of photoelectric conversion portions that are separated by an isolation portion and arranged in a first direction and a plurality of transfer gates that transfer charges of the plurality of photoelectric conversion portions. A position of at least a part of the isolation portion within each of the pixels of the first pixel group and a position of at least a part of the isolation portion within each of the pixels of the second pixel group are shifted relative to each other in the first direction. Respective widths of portions where the plurality of separated photoelectric conversion portions overlap with the plurality of transfer gates in a planar view are the same.Type: ApplicationFiled: April 14, 2017Publication date: October 26, 2017Inventors: Yoshiaki Takada, Masaaki Iwane, Shoji Kono, Koichi Fukuda, Junichi Saito, Yumi Takao