Patents by Inventor Yasuhiro Shimura
Yasuhiro Shimura 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: 11422491Abstract: A heater of the present invention includes jointed heat generating resistors having a positive temperature characteristic of resistance and provided between a first conductive element and a second conductive element on a substrate in a longitudinal direction of the substrate, and a plurality of heating blocks provided in the longitudinal direction, each of which is a set of the first conductive element, the second conductive element, and the heat generating resistor, and power supplied to at least one of the plurality of heating blocks can be controlled independent of other heating blocks.Type: GrantFiled: July 2, 2021Date of Patent: August 23, 2022Assignee: Canon Kabushiki KaishaInventor: Yasuhiro Shimura
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Patent number: 11410728Abstract: A semiconductor storage device includes first and second memory strings, a word line, first and second select gate lines, and a control circuit. The first memory string includes a first memory transistor and a first select transistor. The second memory string includes a second memory transistor and a second select transistor. The word line is connected to the first and second memory transistors. The control circuit is connected to the word line and the first and second select gate lines. The control circuit is configured to perform, during a write sequence, a program operation on each of the first and second memory transistors in turn and a verify operation on only one of the first and second memory transistors.Type: GrantFiled: August 27, 2020Date of Patent: August 9, 2022Assignee: KIOXIA CORPORATIONInventor: Yasuhiro Shimura
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Publication number: 20220221814Abstract: In an image heating device having a plurality of heating blocks which are controllable independently in a longitudinal direction of a heater, an increase of the size of the heater can be suppressed, and temperatures of a plurality of heating block can be detected. A heater has a first temperature sensor corresponding to a first heating block, a second temperature sensor corresponding to a second heating block, a first electric conductor electrically coupled to the first temperature sensor, a second electric conductor electrically coupled to the second temperature sensor, and a common electric conductor electrically coupled to the first and second temperature sensors.Type: ApplicationFiled: March 31, 2022Publication date: July 14, 2022Inventors: Yasuhiro Shimura, Akira Kato, Atsushi Iwasaki
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Patent number: 11378902Abstract: The present invention relates to an image heating apparatus that includes a heater including a plurality of independently controllable heating blocks in a longitudinal direction thereof, each including a first conductor, a second conductor, and a heating element. At least one of electrodes corresponding to the respective heating blocks is disposed in an area where the heating element is located in the longitudinal direction on a second surface of the heater that is opposite to a first surface that comes into contact with an endless belt. An electrical contact is arranged so as to face the second surface of the heater. An overheating occurring in a no-media passage portion when an image formed on a recording material having a small size is heated is suppressed or reduced.Type: GrantFiled: August 21, 2019Date of Patent: July 5, 2022Assignee: Canon Kabushiki KaishaInventors: Yasuhiro Shimura, Koji Nihonyanagi, Ryota Ogura
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Publication number: 20220179341Abstract: Provided is an image forming apparatus including a temperature sensing circuit to which a temperature sensing element is electrically connected, wherein a surface of a heater on a side where the temperature sensing element is provided is in contact with the inner surface of a film, a heating element is provided in a primary side circuit which is electrically connected to a commercial power supply, and the temperature sensing circuit is electrically insulated from both of the primary side circuit and a secondary side circuit which is electrically insulated from the primary side circuit.Type: ApplicationFiled: February 28, 2022Publication date: June 9, 2022Inventors: Yasuhiro Shimura, Yusuke Saito, Ryota Ogura
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Patent number: 11335698Abstract: A plurality of semiconductor layers have longitudinally a first direction, have a peripheral area surrounded by the plurality of control gate electrodes, and are arranged in a plurality of rows within the laminated body. A controller controls a voltage applied to the control gate electrodes and bit lines. The controller, during a writing operation, applies a first voltage to a first bit line connected to the semiconductor layer positioned in a first row closer to the insulation separating layer, and applies a second voltage larger than the first voltage to a second bit line connected to the semiconductor layer positioned in a second row positioned further from the insulation separating layer with respect to the first row, among the plurality of rows.Type: GrantFiled: December 7, 2020Date of Patent: May 17, 2022Assignee: Kioxia CorporationInventor: Yasuhiro Shimura
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Patent number: 11314188Abstract: In an image heating device having a plurality of heating blocks which are controllable independently in a longitudinal direction of a heater, an increase of the size of the heater can be suppressed, and temperatures of a plurality of heating block can be detected. A heater has a first temperature sensor corresponding to a first heating block, a second temperature sensor corresponding to a second heating block, a first electric conductor electrically coupled to the first temperature sensor, a second electric conductor electrically coupled to the second temperature sensor, and a common electric conductor electrically coupled to the first and second temperature sensors.Type: GrantFiled: March 17, 2021Date of Patent: April 26, 2022Assignee: Canon Kabushiki KaishaInventors: Yasuhiro Shimura, Akira Kato, Atsushi Iwasaki
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Patent number: 11294310Abstract: Provided is an image forming apparatus including a temperature sensing circuit to which a temperature sensing element is electrically connected, wherein a surface of a heater on a side where the temperature sensing element is provided is in contact with the inner surface of a film, a heating element is provided in a primary side circuit which is electrically connected to a commercial power supply, and the temperature sensing circuit is electrically insulated from both of the primary side circuit and a secondary side circuit which is electrically insulated from the primary side circuit.Type: GrantFiled: July 14, 2020Date of Patent: April 5, 2022Assignee: Canon Kabushiki KaishaInventors: Yasuhiro Shimura, Yusuke Saito, Ryota Ogura
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Publication number: 20220004131Abstract: In a heater including a plurality of first temperature detection elements that are arranged at predetermined intervals in a longitudinal direction of a substrate and respectively output temperature signals individually, and a plurality of second temperature detection elements that are arranged at predetermined intervals in positions that differ from the positions of the first temperature detection elements in a lateral direction that is orthogonal to the longitudinal direction but correspond to the positions of at least some of the plurality of first temperature detection elements in the longitudinal direction, and that output a single temperature signal obtained by adding individual temperature signals together, the individual temperature signals included in the single temperature signal are acquired on the basis of the plurality of temperature signals output by the plurality of first temperature detection elements and the single temperature signal.Type: ApplicationFiled: September 20, 2021Publication date: January 6, 2022Inventors: Ryota Ogura, Yasuhiro Shimura
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Publication number: 20210333731Abstract: A heater of the present invention includes jointed heat generating resistors having a positive temperature characteristic of resistance and provided between a first conductive element and a second conductive element on a substrate in a longitudinal direction of the substrate, and a plurality of heating blocks provided in the longitudinal direction, each of which is a set of the first conductive element, the second conductive element, and the heat generating resistor, and power supplied to at least one of the plurality of heating blocks can be controlled independent of other heating blocks.Type: ApplicationFiled: July 2, 2021Publication date: October 28, 2021Inventor: Yasuhiro Shimura
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Patent number: 11156946Abstract: In a heater including a plurality of first temperature detection elements that are arranged at predetermined intervals in a longitudinal direction of a substrate and respectively output temperature signals individually, and a plurality of second temperature detection elements that are arranged at predetermined intervals in positions that differ from the positions of the first temperature detection elements in a lateral direction that is orthogonal to the longitudinal direction but correspond to the positions of at least some of the plurality of first temperature detection elements in the longitudinal direction, and that output a single temperature signal obtained by adding individual temperature signals together, the individual temperature signals included in the single temperature signal are acquired on the basis of the plurality of temperature signals output by the plurality of first temperature detection elements and the single temperature signal.Type: GrantFiled: April 8, 2020Date of Patent: October 26, 2021Assignee: Canon Kabushiki KaishaInventors: Ryota Ogura, Yasuhiro Shimura
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Publication number: 20210295919Abstract: A semiconductor storage device includes first and second memory strings, a word line, first and second select gate lines, and a control circuit. The first memory string includes a first memory transistor and a first select transistor. The second memory string includes a second memory transistor and a second select transistor. The word line is connected to the first and second memory transistors. The control circuit is connected to the word line and the first and second select gate lines. The control circuit is configured to perform, during a write sequence, a program operation on each of the first and second memory transistors in turn and a verify operation on only one of the first and second memory transistors.Type: ApplicationFiled: August 27, 2020Publication date: September 23, 2021Inventor: Yasuhiro SHIMURA
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Publication number: 20210296340Abstract: According to embodiments, a semiconductor memory device includes a plurality of control gate electrodes laminated above a substrate and extend in a first direction and a second direction, and a memory pillar that has one end connected to the substrate, has longitudinally a third direction intersecting with the first direction and the second direction, and is opposed to the plurality of control gate electrodes. The memory pillar includes a core insulating layer and a semiconductor layer arranged around the core insulating layer. The semiconductor layer includes a first portion and a second portion positioned at a substrate side of the first portion. A width in the first direction or the second direction of the semiconductor layer at at least a part of the first portion is larger than a width in the first direction or the second direction of the second portion.Type: ApplicationFiled: June 4, 2021Publication date: September 23, 2021Applicant: Toshiba Memory CorporationInventor: Yasuhiro SHIMURA
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Patent number: 11079705Abstract: A heater of the present invention includes jointed heat generating resistors having a positive temperature characteristic of resistance and provided between a first conductive element and a second conductive element on a substrate in a longitudinal direction of the substrate, and a plurality of heating blocks provided in the longitudinal direction, each of which is a set of the first conductive element, the second conductive element, and the heat generating resistor, and power supplied to at least one of the plurality of heating blocks can be controlled independent of other heating blocks.Type: GrantFiled: September 24, 2019Date of Patent: August 3, 2021Assignee: Canon Kabushiki KaishaInventor: Yasuhiro Shimura
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Publication number: 20210200130Abstract: In an image heating device having a plurality of heating blocks which are controllable independently in a longitudinal direction of a heater, an increase of the size of the heater can be suppressed, and temperatures of a plurality of heating block can be detected. A heater has a first temperature sensor corresponding to a first heating block, a second temperature sensor corresponding to a second heating block, a first electric conductor electrically coupled to the first temperature sensor, a second electric conductor electrically coupled to the second temperature sensor, and a common electric conductor electrically coupled to the first and second temperature sensors.Type: ApplicationFiled: March 17, 2021Publication date: July 1, 2021Inventors: Yasuhiro Shimura, Akira Kato, Atsushi Iwasaki
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Patent number: 11049867Abstract: According to embodiments, a semiconductor memory device includes a plurality of control gate electrodes laminated above a substrate and extend in a first direction and a second direction, and a memory pillar that has one end connected to the substrate, has longitudinally a third direction intersecting with the first direction and the second direction, and is opposed to the plurality of control gate electrodes. The memory pillar includes a core insulating layer and a semiconductor layer arranged around the core insulating layer. The semiconductor layer includes a first portion and a second portion positioned at a substrate side of the first portion. A width in the first direction or the second direction of the semiconductor layer at at least a part of the first portion is larger than a width in the first direction or the second direction of the second portion.Type: GrantFiled: August 4, 2016Date of Patent: June 29, 2021Assignee: Toshiba Memory CorporationInventor: Yasuhiro Shimura
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Publication number: 20210193239Abstract: A semiconductor storage device includes memory cells a controller performing a write operation on the memory cells. The write operation includes program loops with a program operation and a verification operation. In a first loop the controller applies a first program voltage and a first verification voltage. Next, a detection operation counts the memory cells with a threshold voltage above a first threshold value. In a second program loop, after the detection operation, the controller applies a second program voltage and a second verification voltage. The values of used for second program voltage and the second verification voltage are set dependent on the counted number of memory cells with a threshold voltage above the first threshold value.Type: ApplicationFiled: September 3, 2020Publication date: June 24, 2021Inventors: Shinji SUZUKI, Yasuhiro SHIMURA
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Patent number: 10983463Abstract: In an image heating device having a plurality of heating blocks which are controllable independently in a longitudinal direction of a heater, an increase of the size of the heater can be suppressed, and temperatures of a plurality of heating block can be detected. A heater has a first temperature sensor corresponding to a first heating block, a second temperature sensor corresponding to a second heating block, a first electric conductor electrically coupled to the first temperature sensor, a second electric conductor electrically coupled to the second temperature sensor, and a common electric conductor electrically coupled to the first and second temperature sensors.Type: GrantFiled: February 28, 2020Date of Patent: April 20, 2021Assignee: Canon Kabushiki KaishaInventors: Yasuhiro Shimura, Akira Kato, Atsushi Iwasaki
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Publication number: 20210091116Abstract: A plurality of semiconductor layers have longitudinally a first direction, have a peripheral area surrounded by the plurality of control gate electrodes, and are arranged in a plurality of rows within the laminated body. A controller controls a voltage applied to the control gate electrodes and bit lines. The controller, during a writing operation, applies a first voltage to a first bit line connected to the semiconductor layer positioned in a first row closer to the insulation separating layer, and applies a second voltage larger than the first voltage to a second bit line connected to the semiconductor layer positioned in a second row positioned further from the insulation separating layer with respect to the first row, among the plurality of rows.Type: ApplicationFiled: December 7, 2020Publication date: March 25, 2021Applicant: Toshiba Memory CorporationInventor: Yasuhiro SHIMURA
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Patent number: 10955778Abstract: An image forming apparatus includes a heater including a heating element, a driving unit that supplies electrical power to the heating element, and a plurality of temperature detection portions, each detecting a temperature of the heater, and being disposed on a first circuit. A control unit controls the driving unit based on the temperatures detected by the plurality of temperature detection portions, the control unit being disposed on a second circuit, which is isolated from the first circuit. A plurality of abnormality detection circuit portions output signals corresponding to the temperatures detected by the plurality of temperature detection portions, and are disposed on the first circuits. In addition, an abnormality transmission circuit portion transmits a signal indicating an abnormality in the heater to the control unit based on the signals output by the abnormality detection circuit portions.Type: GrantFiled: February 5, 2020Date of Patent: March 23, 2021Assignee: Canon Kabushiki KaishaInventors: Yusuke Saito, Ryota Ogura, Yasuhiro Shimura