Patents by Inventor Tatsuya Ryoki
Tatsuya Ryoki 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: 10269849Abstract: An imaging device includes a first pixel electrode, a second pixel electrode adjacent to the first pixel electrode, and a photoelectric conversion film continuously covering the first pixel electrode and the second pixel electrode, in which an insulating film is provided between the first pixel electrode and the photoelectric conversion film, and between the second pixel electrode and the photoelectric conversion film, and an intermediate electrode is provided in a position between the first pixel electrode and the second pixel electrode, the intermediate electrode being in contact with a surface of the photoelectric conversion film, the surface being on a side where the first and second pixel electrodes are arranged.Type: GrantFiled: April 5, 2017Date of Patent: April 23, 2019Assignee: Canon Kabushiki KaishaInventors: Sho Suzuki, Tatsuya Ryoki
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Patent number: 10249678Abstract: An imaging device includes pixels each including a photoelectric converter generating charges, a holding portion holding charges transferred from the photoelectric converter, and an amplifier unit outputting a signal based on charges transferred from the holding portion. Each pixel outputs, to an output line, a signal based on charges generated by the photoelectric converter during an exposure period including a first period during which the photoelectric converter holds charges generated in the first period and a second period during which the photoelectric converter or the holding portion holds charges generated in the second period while the holding portion is holding charges generated in the first period, and resets the holding portion after outputting a signal based on charges held in the holding portion in the first period and before transferring charges generated in the first period from the photoelectric converter to the holding portion.Type: GrantFiled: November 28, 2017Date of Patent: April 2, 2019Assignee: CANON KABUSHIKI KAISHAInventors: Tatsuya Ryoki, Daisuke Kobayashi, Tetsunobu Kochi
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Publication number: 20180309950Abstract: A photoelectric conversion apparatus having a first substrate and a second substrate overlaid on each other and including electrically conductive portions is provided. The first substrate includes a photoelectric conversion element, a first portion configured to form part of a first surface, a second portion which is included in an electrically conductive pattern closest to the first portion, and a third portion which is included in an electrically conductive pattern second closest to the first portion. The second substrate includes a fourth portion configured to form part of a second surface, and a circuit. In a planar view with respect to the first surface, an area of the first portion is smaller than an area of the second portion and larger than an area of a portion of the third portion overlaying the second portion.Type: ApplicationFiled: June 25, 2018Publication date: October 25, 2018Inventors: Takanori Yamashita, Kazuhiro Saito, Tatsuya Ryoki, Yoshikazu Yamazaki
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Patent number: 10057529Abstract: A device has stacked first and second substrates. The first substrate includes pixel array having pixels arranged along surface, the second substrate includes readout circuit having first AD-conversion circuit for generating first digital signals corresponding to first signals from the pixels, first parallel-serial conversion circuit for outputting first serial signal by performing parallel-serial conversion on the first digital signals, and processing circuit for processing the first serial signal. In orthogonal projection to the surface, part of the pixel array and part of the processing circuit overlap with each other. The first AD-conversion circuit is arranged between edge of the second substrate and the processing circuit. The first parallel-serial conversion circuit is arranged between the first AD-conversion circuit and the processing circuit.Type: GrantFiled: June 22, 2017Date of Patent: August 21, 2018Assignee: Canon Kabushiki KaishaInventors: Kazuhiro Saito, Takanori Yamashita, Tatsuya Ryoki, Yoshikazu Yamazaki
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Patent number: 10051223Abstract: A photoelectric conversion apparatus having a first substrate and a second substrate overlaid on each other and including electrically conductive portions is provided. The first substrate includes a photoelectric conversion element, a first portion configured to form part of a first surface, a second portion which is included in an electrically conductive pattern closest to the first portion, and a third portion which is included in an electrically conductive pattern second closest to the first portion. The second substrate includes a fourth portion configured to form part of a second surface, and a circuit. In a planar view with respect to the first surface, an area of the first portion is smaller than an area of the second portion and larger than an area of a portion of the third portion overlaying the second portion.Type: GrantFiled: June 13, 2017Date of Patent: August 14, 2018Assignee: Canon Kabushiki KaishaInventors: Takanori Yamashita, Kazuhiro Saito, Tatsuya Ryoki, Yoshikazu Yamazaki
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Publication number: 20180175103Abstract: An imaging device includes pixels each including a photoelectric converter generating charges, a holding portion holding charges transferred from the photoelectric converter, and an amplifier unit outputting a signal based on charges transferred from the holding portion. Each pixel outputs, to an output line, a signal based on charges generated by the photoelectric converter during an exposure period including a first period during which the photoelectric converter holds charges generated in the first period and a second period during which the photoelectric converter or the holding portion holds charges generated in the second period while the holding portion is holding charges generated in the first period, and resets the holding portion after outputting a signal based on charges held in the holding portion in the first period and before transferring charges generated in the first period from the photoelectric converter to the holding portion.Type: ApplicationFiled: November 28, 2017Publication date: June 21, 2018Inventors: Tatsuya Ryoki, Daisuke Kobayashi, Tetsunobu Kochi
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Publication number: 20180007297Abstract: A device has stacked first and second substrates. The first substrate includes pixel array having pixels arranged along surface, the second substrate includes readout circuit having first AD-conversion circuit for generating first digital signals corresponding to first signals from the pixels, first parallel-serial conversion circuit for outputting first serial signal by performing parallel-serial conversion on the first digital signals, and processing circuit for processing the first serial signal. In orthogonal projection to the surface, part of the pixel array and part of the processing circuit overlap with each other. The first AD-conversion circuit is arranged between edge of the second substrate and the processing circuit. The first parallel-serial conversion circuit is arranged between the first AD-conversion circuit and the processing circuit.Type: ApplicationFiled: June 22, 2017Publication date: January 4, 2018Inventors: Kazuhiro Saito, Takanori Yamashita, Tatsuya Ryoki, Yoshikazu Yamazaki
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Publication number: 20180007305Abstract: A photoelectric conversion apparatus having a first substrate and a second substrate overlaid on each other and including electrically conductive portions is provided. The first substrate includes a photoelectric conversion element, a first portion configured to form part of a first surface, a second portion which is included in an electrically conductive pattern closest to the first portion, and a third portion which is included in an electrically conductive pattern second closest to the first portion. The second substrate includes a fourth portion configured to form part of a second surface, and a circuit. In a planar view with respect to the first surface, an area of the first portion is smaller than an area of the second portion and larger than an area of a portion of the third portion overlaying the second portion.Type: ApplicationFiled: June 13, 2017Publication date: January 4, 2018Inventors: Takanori Yamashita, Kazuhiro Saito, Tatsuya Ryoki, Yoshikazu Yamazaki
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Patent number: 9825079Abstract: A photoelectric conversion device includes a photoelectric conversion unit disposed above a substrate and a reading circuit. The photoelectric conversion unit includes a first electrode disposed above the substrate, a second electrode disposed above the first electrode, and a photoelectric conversion film disposed between the first electrode and the second electrode. The second electrode includes an opening, and is disposed in contact with the photoelectric conversion film at a boundary between adjacent photoelectric conversion units. An insulating film is disposed in contact with the second electrode.Type: GrantFiled: January 18, 2017Date of Patent: November 21, 2017Assignee: Canon Kabushiki KaishaInventor: Tatsuya Ryoki
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Publication number: 20170207260Abstract: An imaging device includes a first pixel electrode, a second pixel electrode adjacent to the first pixel electrode, and a photoelectric conversion film continuously covering the first pixel electrode and the second pixel electrode, in which an insulating film is provided between the first pixel electrode and the photoelectric conversion film, and between the second pixel electrode and the photoelectric conversion film, and an intermediate electrode is provided in a position between the first pixel electrode and the second pixel electrode, the intermediate electrode being in contact with a surface of the photoelectric conversion film, the surface being on a side where the first and second pixel electrodes are arranged.Type: ApplicationFiled: April 5, 2017Publication date: July 20, 2017Inventors: Sho Suzuki, Tatsuya Ryoki
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Patent number: 9647018Abstract: An imaging device includes a first pixel electrode, a second pixel electrode adjacent to the first pixel electrode, and a photoelectric conversion film continuously covering the first pixel electrode and the second pixel electrode, in which an insulating film is provided between the first pixel electrode and the photoelectric conversion film, and between the second pixel electrode and the photoelectric conversion film, and an intermediate electrode is provided in a position between the first pixel electrode and the second pixel electrode, the intermediate electrode being in contact with a surface of the photoelectric conversion film, the surface being on a side where the first and second pixel electrodes are arranged.Type: GrantFiled: September 23, 2015Date of Patent: May 9, 2017Assignee: Canon Kabushiki KaishaInventors: Sho Suzuki, Tatsuya Ryoki
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Publication number: 20170125469Abstract: A photoelectric conversion device includes a photoelectric conversion unit disposed above a substrate and a reading circuit. The photoelectric conversion unit includes a first electrode disposed above the substrate, a second electrode disposed above the first electrode, and a photoelectric conversion film disposed between the first electrode and the second electrode. The second electrode includes an opening, and is disposed in contact with the photoelectric conversion film at a boundary between adjacent photoelectric conversion units. An insulating film is disposed in contact with the second electrode.Type: ApplicationFiled: January 18, 2017Publication date: May 4, 2017Inventor: Tatsuya Ryoki
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Patent number: 9608025Abstract: Provided is an imaging apparatus includes: a substrate; a photoelectric conversion unit configured to generate a signal charge by photoelectric conversion; a contact wiring of a conductor electrically connected to the photoelectric conversion unit; a transistor including a control electrode, a first main electrode electrically connected to the contact wiring, and a second main electrode; a charge accumulating unit provided in the substrate and electrically connected to the second main electrode of the transistor; and a first switching unit configured to switch connection and disconnection between the control electrode and the first main electrode of the transistor.Type: GrantFiled: July 10, 2015Date of Patent: March 28, 2017Assignee: Canon Kabushiki KaishaInventor: Tatsuya Ryoki
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Patent number: 9583523Abstract: A photoelectric conversion device includes a photoelectric conversion unit disposed above a substrate and a reading circuit. The photoelectric conversion unit includes a first electrode disposed above the substrate, a second electrode disposed above the first electrode, and a photoelectric conversion film disposed between the first electrode and the second electrode. The second electrode includes an opening, and is disposed in contact with the photoelectric conversion film at a boundary between adjacent photoelectric conversion units. An insulating film is disposed in contact with the second electrode.Type: GrantFiled: September 23, 2015Date of Patent: February 28, 2017Assignee: Canon Kabushiki KaishaInventor: Tatsuya Ryoki
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Patent number: 9305946Abstract: A photoelectric conversion apparatus includes a plurality of pixels arranged in a matrix, a plurality of signal processing units each corresponding to a column of the matrix, and a signal line. Each of the plurality of signal processing units includes a first capacitance and a second capacitance that hold a signal, a switch provided between the signal line and the first capacitance, a capacitance adjustment unit electrically connected to the second capacitance, and a connection unit configured to electrically connect the first capacitance provided to one of signal processing units to the second capacitance provided to another one of the signal processing units.Type: GrantFiled: January 29, 2013Date of Patent: April 5, 2016Assignee: CANON KABUSHIKI KAISHAInventors: Tatsuya Ryoki, Kazuki Ohshitanai
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Publication number: 20160093657Abstract: A photoelectric conversion device includes a photoelectric conversion unit disposed above a substrate and a reading circuit. The photoelectric conversion unit includes a first electrode disposed above the substrate, a second electrode disposed above the first electrode, and a photoelectric conversion film disposed between the first electrode and the second electrode. The second electrode includes an opening, and is disposed in contact with the photoelectric conversion film at a boundary between adjacent photoelectric conversion units. An insulating film is disposed in contact with the second electrode.Type: ApplicationFiled: September 23, 2015Publication date: March 31, 2016Inventor: Tatsuya Ryoki
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Publication number: 20160093650Abstract: An imaging device includes a first pixel electrode, a second pixel electrode adjacent to the first pixel electrode, and a photoelectric conversion film continuously covering the first pixel electrode and the second pixel electrode, in which an insulating film is provided between the first pixel electrode and the photoelectric conversion film, and between the second pixel electrode and the photoelectric conversion film, and an intermediate electrode is provided in a position between the first pixel electrode and the second pixel electrode, the intermediate electrode being in contact with a surface of the photoelectric conversion film, the surface being on a side where the first and second pixel electrodes are arranged.Type: ApplicationFiled: September 23, 2015Publication date: March 31, 2016Inventors: Sho Suzuki, Tatsuya Ryoki
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Publication number: 20160035779Abstract: Provided is an imaging apparatus includes: a substrate; a photoelectric conversion unit configured to generate a signal charge by photoelectric conversion; a contact wiring of a conductor electrically connected to the photoelectric conversion unit; a transistor including a control electrode, a first main electrode electrically connected to the contact wiring, and a second main electrode; a charge accumulating unit provided in the substrate and electrically connected to the second main electrode of the transistor; and a first switching unit configured to switch connection and disconnection between the control electrode and the first main electrode of the transistor.Type: ApplicationFiled: July 10, 2015Publication date: February 4, 2016Inventor: Tatsuya Ryoki
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Patent number: 9253425Abstract: A photo-electric conversion device comprises a pixel array in which a plurality of pixels are arrayed, each pixel including a photo-electric converter, a floating diffusion portion, a transfer unit which transfers charges generated in the photo-electric converter to the floating diffusion portion, and an output unit which outputs a signal corresponding to a potential of the floating diffusion portion, a signal line which is connected to the plurality of pixels and transmits a signal output from each pixel, a load transistor including a drain connected to the signal line, and a source connected to a first reference potential, and a capacitance including a first electrode connected to a gate of the load transistor, and a second electrode connected to a second reference potential, wherein the signal line is arranged not to overlap the first electrode when viewed from a direction perpendicular to a light-receiving surface of the photo-electric converter.Type: GrantFiled: September 25, 2014Date of Patent: February 2, 2016Assignee: Canon Kabushiki KaishaInventors: Tatsuya Ryoki, Seiichirou Sakai, Toru Koizumi
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Patent number: 8957364Abstract: A photo-electric conversion device comprises a pixel array in which a plurality of pixels are arrayed, each pixel including a photo-electric converter, a floating diffusion portion, a transfer unit which transfers charges generated in the photo-electric converter to the floating diffusion portion, and an output unit which outputs a signal corresponding to a potential of the floating diffusion portion, a signal line which is connected to the plurality of pixels and transmits a signal output from each pixel, a load transistor including a drain connected to the signal line, and a source connected to a first reference potential, and a capacitance including a first electrode connected to a gate of the load transistor, and a second electrode connected to a second reference potential, wherein the signal line is arranged not to overlap the first electrode when viewed from a direction perpendicular to a light-receiving surface of the photo-electric converter.Type: GrantFiled: March 14, 2013Date of Patent: February 17, 2015Assignee: Canon Kabushiki KaishaInventors: Tatsuya Ryoki, Seiichirou Sakai, Toru Koizumi