Patents by Inventor Takahiro Kubota
Takahiro Kubota 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: 20240264749Abstract: A memory system includes a non-volatile memory configured to store an error correction codes and a memory controller. The memory controller is configured to obtain read information from the non-volatile memory, perform a first decoding process on the read information to output a plurality of decoding results respectively corresponding to a plurality of elements provided in the read information, perform a cancellation process for returning the decoding results satisfying a condition among the plurality of decoding results to values prior to decoding in response to the first decoding process being not successful, and perform a second decoding process using the plurality of decoding results after performing the cancelation process.Type: ApplicationFiled: February 5, 2024Publication date: August 8, 2024Applicant: Kioxia CorporationInventors: Takahiro KUBOTA, Hironori UCHIKAWA
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Patent number: 12052034Abstract: A memory system according to an embodiment includes a nonvolatile memory and a memory controller. The nonvolatile memory stores data encoded by using an error correcting code for correcting n-bit errors(n is an integer of 3 or more) or less. The memory controller reads a received word from the nonvolatile memory, calculates a syndrome by using the read received word, estimates the number of bit errors by using the syndrome.Type: GrantFiled: March 8, 2023Date of Patent: July 30, 2024Assignee: Kioxia CorporationInventors: Yuki Kondo, Takahiro Kubota
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Publication number: 20240101235Abstract: Provided with a weight release device capable of being operated in deep sea same as the conventional weight release device without accompanying a mechanical operation at all to avoid troubles of mechanical operation occurred in the conventional weight release device. The weight release device includes a housing fixed to the underwater observation device; a thread made of thermoplastic resin; electric heater portions; a weight support plate; a locking member of the thread made of the thermoplastic resin; and a ring for hanging the weight. The thread made of the thermoplastic resin is arranged from a start point housed in the housing, arranged to pass through the first electric heater portion, locked to the locking member of the thread made of the thermoplastic resin, arranged to pass through the second electric heater portion housed in the housing, and returned to an end point housed in the housing. The ring for hanging the weight is fixed to a lower surface of the weight support plate.Type: ApplicationFiled: March 3, 2022Publication date: March 28, 2024Inventors: Tetsuya MIWA, Kazumasa IKEDA, Takahiro KUBOTA, Atsushi ARAI, Yasuyuki MURAKAMI
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Publication number: 20240086280Abstract: A memory system includes a non-volatile memory and a memory controller that encodes data with an error correction code and stores the encoded data in the non-volatile memory. The memory controller executes first processing which is at least a part of first decoding processing using read information read from the non-volatile memory, uses statistical information of a processing result of the first processing to estimate a first indicator indicating a ratio of hard errors among bit errors in the read information, determines parameters for second decoding processing having a higher latency than the first processing according to the first indicator, and executes the second decoding processing by using the determined parameters and the read information.Type: ApplicationFiled: February 13, 2023Publication date: March 14, 2024Applicant: Kioxia CorporationInventors: Takahiro KUBOTA, Hironori UCHIKAWA
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Patent number: 11886738Abstract: A memory controller determines the number of pieces of correction information of an a-th correction information for each of M component codes according to a value based on the number of component codes, and determines a correction information address which is an address on a correction information memory of the a-th correction information based on the number of pieces of correction information.Type: GrantFiled: August 15, 2022Date of Patent: January 30, 2024Assignee: KIOXIA CORPORATIONInventors: Takahiro Kubota, Hironori Uchikawa, Yuta Kumano
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Publication number: 20230387942Abstract: A memory system according to an embodiment includes a nonvolatile memory and a memory controller. The nonvolatile memory stores data encoded by using an error correcting code for correcting n-bit errors(n is an integer of 3 or more) or less. The memory controller reads a received word from the nonvolatile memory, calculates a syndrome by using the read received word, estimates the number of bit errors by using the syndrome.Type: ApplicationFiled: March 8, 2023Publication date: November 30, 2023Applicant: Kioxia CorporationInventors: Yuki KONDO, Takahiro KUBOTA
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Publication number: 20230297273Abstract: A memory controller determines the number of pieces of correction information of an a-th correction information for each of M component codes according to a value based on the number of component codes, and determines a correction information address which is an address on a correction information memory of the a-th correction information based on the number of pieces of correction information.Type: ApplicationFiled: August 15, 2022Publication date: September 21, 2023Applicant: Kioxia CorporationInventors: Takahiro KUBOTA, Hironori UCHIKAWA, Yuta KUMANO
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Patent number: 11455209Abstract: A memory system includes a non-volatile memory configured to store an N-dimensional error correction code and a memory controller.Type: GrantFiled: August 25, 2021Date of Patent: September 27, 2022Assignee: KIOXIA CORPORATIONInventors: Takahiro Kubota, Daiki Watanabe, Hironori Uchikawa
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Publication number: 20220261312Abstract: A memory system includes a non-volatile memory configured to store an N-dimensional error correction code and a memory controller.Type: ApplicationFiled: August 25, 2021Publication date: August 18, 2022Applicant: Kioxia CorporationInventors: Takahiro KUBOTA, Daiki WATANABE, Hironori UCHIKAWA
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Patent number: 11172307Abstract: One or more holes are formed in a first diaphragm. A second diaphragm is arranged on a sound emitting side of the first diaphragm. A driver includes a magnetic circuit and a voice coil, and vibrates the first and second diaphragms. The second diaphragm includes a rigidity-reinforcing portion in which a rigidity of the second diaphragm is reinforced at a position facing at least one hole of the one or more holes.Type: GrantFiled: August 24, 2020Date of Patent: November 9, 2021Assignee: JVCKENWOOD CORPORATIONInventors: Takahiro Kubota, Yasunari Takabatake, Yuji Negishi, Kazuyuki Inagaki
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Patent number: 11054253Abstract: A gap measurement device for measuring a gap between an upper plate and a lower plate in a material formed of the upper plate and the lower plate that overlap with each other in the Z-axis direction, which is the thickness direction. The gap measurement device has an ultrasonic sensor that functions as a plate thickness measurement sensor for measuring a plate thickness that is the thickness of the upper plate, a laser sensor that functions as a step measurement sensor for measuring a step that is the distance between the upper surface of the upper plate and the upper surface of the lower plate, and a calculation unit for calculating the gap between the upper plate and lower plate by subtracting the plate thickness from the step.Type: GrantFiled: November 24, 2016Date of Patent: July 6, 2021Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.Inventors: Yuichi Sasano, Kei Yoshitomi, Takuya Goto, Takahiro Kubota
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Patent number: 11009606Abstract: A laser radar device includes: a light-transmission-side lens that shapes a laser beam emitted from a laser light source into a line shape extending along a horizontal direction; a scanner that projects the line-shaped laser beam while scanning the same in a vertical direction of a measurement-target area; a light-reception-side lens that receives reflected light reflected from the measurement-target area; a light reception line sensor including a plurality of light reception cells lined up along the horizontal direction; a light-reception-side optical system that gathers the reflected light received by the light-reception-side lens toward the light reception line sensor, and in which the light-gathering ratio in the vertical direction is set so as to be greater than the light-gathering ratio in the horizontal direction; and an information generation unit that generates three-dimensional information of the measurement-target area based on a reception signal outputted by the light reception line sensor.Type: GrantFiled: November 19, 2015Date of Patent: May 18, 2021Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.Inventors: Kohei Kawazoe, Takahiro Kubota
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Publication number: 20210067876Abstract: One or more holes are formed in a first diaphragm. A second diaphragm is arranged on a sound emitting side of the first diaphragm. A driver includes a magnetic circuit and a voice coil, and vibrates the first and second diaphragms. The second diaphragm includes a rigidity-reinforcing portion in which a rigidity of the second diaphragm is reinforced at a position facing at least one hole of the one or more holes.Type: ApplicationFiled: August 24, 2020Publication date: March 4, 2021Inventors: Takahiro KUBOTA, Yasunari TAKABATAKE, Yuji NEGISHI, Kazuyuki INAGAKI
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Patent number: 10571195Abstract: A furnace monitoring device for monitoring the inside of a gasifier through which a combustible gas flows is provided with: a nozzle that has an internal cavity, and that is inserted inside the gasifier and fixed to the gasifier; a cylindrical protection tube which is inserted into the nozzle, and a part of which, located on the inside of the gasifier is, blocked; a monitoring window which is provided on the protection tube on the inside of the gasifier, and is made of a material that transmits light; a purge mechanism which supplies a gas containing an oxidizer to a surface of the monitoring window facing the inside of the gasifier; and an image capturing means which captures an image of the inside of the gasifier through the monitoring window.Type: GrantFiled: December 1, 2016Date of Patent: February 25, 2020Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.Inventors: Junichiro Yamamoto, Tsutomu Kawamizu, Takahiro Kubota
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Patent number: 10534085Abstract: A laser light source; a light sending lens configured to form laser light emitted from the laser light source into a spot shape; a scanner configured to perform irradiation while performing scanning, with the laser light formed into the spot shape, in a horizontal direction and a vertical direction of an area to be measured; a light receiving lens configured to receive reflected light reflected from the area to be measured; a light receiving optical system configured to condense the reflected light received by the light receiving lens, in each of the horizontal direction and vertical direction; and an information generating unit configured to generate, based on a received signal output by the light receiving element, three dimensional information of the area to be measured.Type: GrantFiled: November 19, 2015Date of Patent: January 14, 2020Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.Inventors: Kohei Kawazoe, Takahiro Kubota
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Publication number: 20190072331Abstract: A furnace monitoring device for monitoring the inside of a gasifier through which a combustible gas flows is provided with: a nozzle that has an internal cavity, and that is inserted inside the gasifier and fixed to the gasifier; a cylindrical protection tube which is inserted into the nozzle, and a part of which, located on the inside of the gasifier is, blocked; a monitoring window which is provided on the protection tube on the inside of the gasifier, and is made of a material that transmits light; a purge mechanism which supplies a gas containing an oxidizer to a surface of the monitoring window facing the inside of the gasifier; and an image capturing means which captures an image of the inside of the gasifier through the monitoring window.Type: ApplicationFiled: December 1, 2016Publication date: March 7, 2019Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.Inventors: Junichiro Yamamoto, Tsutomu Kawamizu, Takahiro Kubota
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Publication number: 20190025409Abstract: A laser radar device includes a radiation shape control unit. The radiation shape control unit performs control such that the radiation shape of laser light L can be changed between a first radiation shape having a small radiation surface area, and a second radiation shape having a large radiation surface area. In accordance with the radiation shape controlled by the radiation shape control unit, the laser radar device causes the laser light to scan and irradiate an area to be measured, receives reflected light from the area to be measured, and generates three-dimensional information relating to the area to be measured on the basis of the received reflected light.Type: ApplicationFiled: August 3, 2016Publication date: January 24, 2019Inventors: Kohei KAWAZOE, Takahiro KUBOTA
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Publication number: 20180347973Abstract: A gap measurement device for measuring a gap between an upper plate and a lower plate in a material formed of the upper plate and the lower plate that overlap with each other in the Z-axis direction, which is the thickness direction. The gap measurement device has an ultrasonic sensor that functions as a plate thickness measurement sensor for measuring a plate thickness that is the thickness of the upper plate, a laser sensor that functions as a step measurement sensor for measuring a step that is the distance between the upper surface of the upper plate and the upper surface of the lower plate, and a calculation unit for calculating the gap between the upper plate and lower plate by subtracting the plate thickness from the step.Type: ApplicationFiled: November 24, 2016Publication date: December 6, 2018Inventors: Yuichi SASANO, Kei YOSHITOMI, Takuya GOTO, Takahiro KUBOTA
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Patent number: 10010925Abstract: A swage apparatus includes a main body for supporting a coupling such that an axis of the coupling is oriented in a first direction, a stopper which comes into contact with one member of a first member or a second member of the coupling and restricts the one member from moving in the first direction, a pusher which comes into contact with the other member of the first member or the second member and pushes the other member in the first direction, and a cover member for covering the coupling so as to prevent the axis of the coupling from becoming displaced. The axis can thereby be prevented from becoming displaced.Type: GrantFiled: January 20, 2014Date of Patent: July 3, 2018Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.Inventors: Fumito Kajitani, Hideaki Sakurai, Takahiro Kubota
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Publication number: 20180038957Abstract: A laser light source; a light sending lens configured to form laser light emitted from the laser light source into a spot shape; a scanner configured to perform irradiation while performing scanning, with the laser light formed into the spot shape, in a horizontal direction and a vertical direction of an area to be measured; a light receiving lens configured to receive reflected light reflected from the area to be measured; a light receiving optical system configured to condense the reflected light received by the light receiving lens, in each of the horizontal direction and vertical direction; and an information generating unit configured to generate, based on a received signal output by the light receiving element, three dimensional information of the area to be measured.Type: ApplicationFiled: November 19, 2015Publication date: February 8, 2018Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.Inventors: Kohei KAWAZOE, Takahiro KUBOTA