Patents by Inventor Takaaki Nakamura
Takaaki Nakamura 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: 11965817Abstract: Disclosed is a cell classification method, to be executed by an analyzer, for classifying cells contained in a specimen, including: preparing a first measurement sample by treating a specimen under a first preparation condition; obtaining a first signal from the prepared first measurement sample; classifying, by using the first signal, cells contained in the first measurement sample; preparing a second measurement sample by treating the specimen under a second preparation condition different from the first preparation condition; obtaining a second signal from the prepared second measurement sample; classifying, by using the second signal, cells contained in the second measurement sample; and comparing a result of the cell classification performed by using the first signal and a result of the cell classification performed by using the second signal, with each other, and outputting an analysis result including a number of cells on the basis of a result of the comparison.Type: GrantFiled: March 4, 2021Date of Patent: April 23, 2024Assignee: SYSMEX CORPORATIONInventors: Yuki Shida, Yukiko Nakamura, Ken Nishikawa, Kota Misawa, Hikaru Onoue, Takaaki Nagai, Masaki Abe, Takahito Mihara, Masaharu Shibata, Konobu Kimura
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Patent number: 11942074Abstract: A learning data acquisition device or the like, capable of acquiring learning data by superimposing noise data on clean voice data at an appropriate SN ratio, is provided. The learning data acquisition device includes a voice recognition influence degree calculation unit and a learning data acquisition unit. The voice recognition influence degree calculation unit calculates an influence degree on voice recognition accuracy caused by a change of a signal-to-noise ratio, based on a result of voice recognition on the kth noise superimposed voice data and a result of voice recognition on the k?1th noise superimposed voice data, where K is an integer of 2 or larger, k=2, 3, . . .Type: GrantFiled: January 29, 2020Date of Patent: March 26, 2024Assignee: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Takaaki Fukutomi, Takashi Nakamura, Kiyoaki Matsui
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Patent number: 11929612Abstract: A first switching unit switches a first power grid from an isolated operation to a grid-connected operation. In switching the first power grid from the isolated operation to the grid-connected operation, the first switching unit determines a master and a slave among a plurality of power adjustment resources and allows the first power grid to be connected to the second power grid after master-slave control by means of the master and the slave such that electric power of the first power grid is in synchronization with electric power of the second power grid. The first switching unit preferentially selects as the master, a power adjustment resource close to a point of connection between the first power grid and the second power grid from among the plurality of power adjustment resources.Type: GrantFiled: November 5, 2021Date of Patent: March 12, 2024Assignee: Toyota Jidosha Kabushiki KaishaInventors: Shigetaka Hamada, Haruka Hirose, Yusuke Horii, Toru Nakamura, Takaaki Sano
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Patent number: 11912154Abstract: A power management system includes a plurality of power adjustment resources electrically connected to a microgrid. The plurality of power adjustment resources include a plurality of EVSEs, each of EVSEs including a parking space. When any one of a plurality of power feeding vehicles is parked in the parking space, an EVSE enables power feeding from a vehicle parked in the parking space to the microgrid. A CEMS server manages the parking space. When a balance of power supply and demand in the microgrid is in an overdemand state, the CEMS server allocates the parking space to a power feeding vehicle that responds to a request for power feeding to the microgrid, of the plurality of power feeding vehicles.Type: GrantFiled: November 17, 2021Date of Patent: February 27, 2024Assignee: Toyota Jidosha Kabushiki KaishaInventors: Shigetaka Hamada, Haruka Hirose, Yusuke Horii, Toru Nakamura, Takaaki Sano
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Publication number: 20230342371Abstract: A time-series data analysis device, includes: a time-series data input unit to receive time-series data; a parameter setting unit to set a range of a window length of a time series subsequence in the time-series data; a feature calculating unit to calculate a feature of the time-series data for each of a plurality of window lengths within the range; a probability density distribution calculating unit to calculate a probability density distribution of the calculated feature for each of the plurality of window lengths; and a parameter selecting unit to calculate a statistical feature of the probability density distribution calculated for each of the plurality of window lengths and select a window length to be used from among the plurality of window lengths on the basis of the calculated statistical feature.Type: ApplicationFiled: June 29, 2023Publication date: October 26, 2023Applicant: Mitsubishi Electric CorporationInventor: Takaaki NAKAMURA
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Patent number: 11686842Abstract: A sonar unit includes: a circuit substrate on which a transducer, electronic components constituting a circuit configured to drive the transducer, and an input-output terminal for the circuit are mounted; and a shield unit. The shield unit includes a plate portion at a position where the plate portion overlaps at least a part of the electronic components when the shield unit is viewed in a thickness direction of the rectangular circuit substrate. The shield unit includes a window portion provided as a through-hole or a notch. The window portion is placed at a position close to the input-output terminal in a longitudinal direction of the rectangular circuit substrate when the window portion is viewed in the thickness direction of the rectangular circuit substrate.Type: GrantFiled: June 15, 2020Date of Patent: June 27, 2023Assignees: AISIN CORPORATION, WHETRON ELECTRONICS (SUZHOU) CO., LTD.Inventors: Chiaki Sumi, Takaaki Nakamura, Toshihito Nagai, Gaoyang Hong
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Patent number: 11660678Abstract: A coated cutting tool comprises a substrate and a coating layer formed on a surface of the substrate, and has a rake face and a flank. The coating layer comprises an alternating laminate structure in which first compound layers containing AlN and second compound layers containing a compound are laminated in an alternating manner, the compound having a composition represented by formula (1) below: (Ti1-xAlx)N??(1) (wherein x satisfies 0.40?x?0.70). An average thickness T1 per first compound layer is 5 nm or more to 160 nm or less, and an average thickness T2 per second compound layer is 8 nm or more to 200 nm or less. A ratio of T1 to T2 is 0.10 or more to 0.80 or less. An average thickness T3 of the alternating laminate structure is 2.5 ?m or more to 7.0 ?m or less. A ratio (H/E) of hardness H to elastic modulus E is 0.065 or more to 0.085 or less at the rake face or the flank.Type: GrantFiled: June 16, 2021Date of Patent: May 30, 2023Assignee: TUNGALOY CORPORATIONInventor: Takaaki Nakamura
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Publication number: 20230109103Abstract: Abnormality detection device includes: processing circuitry performing a process that: extracts a first feature amount using a sliding window of a first time length and a second feature amount using a sliding window of a second time length longer than the first time length; calculates a unit incremental value by dividing a specific value difference subtracting a first specific value in the first feature amount from a second specific value in the second feature amount by a time length difference subtracting the first time length from the second time length; sequentially calculates, for each abnormality detection time length different from each other, a threshold based on the unit incremental value; and sequentially generates, for each abnormality detection time length, a plurality of partial time series having the abnormality detection time lengths from the time series data, and detects an abnormality in the time series data based on those and the threshold.Type: ApplicationFiled: December 12, 2022Publication date: April 6, 2023Applicant: Mitsubishi Electric CorporationInventor: Takaaki NAKAMURA
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Publication number: 20220402046Abstract: The coated cutting tool comprises a substrate and a coating layer formed on a surface of the substrate, the coating layer comprises an alternating laminate structure in which two or more first layers and two or more second layers are alternately laminated, the first layer is a compound layer containing Ti(CaN1-a), the second layer is a compound layer containing (TixAl1-x)(CyN1-y), an average thickness per layer of each of the first layers and the second layers in the alternating laminate structure is 3 nm or more and 300 nm or less, and an average thickness of the alternating laminate structure is 1.0 ?m or more and 8.0 ?m or less.Type: ApplicationFiled: June 9, 2022Publication date: December 22, 2022Applicant: TUNGALOY CORPORATIONInventor: Takaaki NAKAMURA
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Patent number: 11531688Abstract: An event waveform extracting unit (3) extracts an event waveform from time-series data. A co-occurrence rate calculating unit (4) calculates co-occurrence rates of event waveforms among the time-series data. A grouping unit (5) classifies the time-series data into groups depending the co-occurrence rates of the event waveforms. An event information generating unit (6) determines the time at which the periods during which event waveforms occur overlap with each other among the time-series data included in each group, and generates event information identifying an event related to the event waveforms on the basis of the determined time.Type: GrantFiled: May 12, 2017Date of Patent: December 20, 2022Assignee: MITSUBISHI ELECTRIC CORPORATIONInventor: Takaaki Nakamura
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Patent number: 11309057Abstract: Apparatuses and methods for post-package repair (PPR) protection. A device may enter a PPR mode to repair one or more memory addresses by blowing fuses. However, fuses may be incorrectly blown if the device receives row activation (ACT) signals while in the PPR mode. A PPR mask circuit may provide a PPR mask signal if an ACT signal is received while the memory is in the PPR mode. The PPR mask signal may suppress further ACT signals from being provided. In some embodiments, the memory may also include a PPR function circuit, which may monitor one or more signals used as part of PPR operations. If these signals are in an illegal state, the PPR function circuit may suppress PPR operations to prevent damage to the fuse array.Type: GrantFiled: April 28, 2020Date of Patent: April 19, 2022Assignee: Micron Technology, Inc.Inventor: Takaaki Nakamura
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Patent number: 11294364Abstract: The data processing device includes: an extraction condition input unit receiving waveform data including a change point of a state of a device, parameter information about the waveform data, and transition information of the device; a similarity calculation unit calculating similarity between time-series data of the device and the waveform data; an operating mode determination unit setting the state of the device on the basis of the transition information of the device; a change point detection unit detecting the change point from the time-series data of the device on the basis of the calculated similarity and the determined state of the device, and setting a start time of a segment which is a subsequence of the time-series data and an end time of the segment; and an information output unit outputting, as segment information, the state of the device, the start time and the end time of the segment.Type: GrantFiled: December 11, 2020Date of Patent: April 5, 2022Assignee: MITSUBISHI ELECTRIC CORPORATIONInventor: Takaaki Nakamura
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Publication number: 20210402487Abstract: A coated cutting tool comprises a substrate and a coating layer formed on a surface of the substrate, and has a rake face and a flank. The coating layer comprises an alternating laminate structure in which first compound layers containing AlN and second compound layers containing a compound are laminated in an alternating manner, the compound having a composition represented by formula (1) below: (Ti1-xAlx)N??(1) (wherein x satisfies 0.40?x?0.70). An average thickness T1 per first compound layer is 5 nm or more to 160 nm or less, and an average thickness T2 per second compound layer is 8 nm or more to 200 nm or less. A ratio of T1 to T2 is 0.10 or more to 0.80 or less. An average thickness T3 of the alternating laminate structure is 2.5 ?m or more to 7.0 ?m or less. A ratio (H/E) of hardness H to elastic modulus E is 0.065 or more to 0.085 or less at the rake face or the flank.Type: ApplicationFiled: June 16, 2021Publication date: December 30, 2021Applicant: TUNGALOY CORPORATIONInventor: Takaaki NAKAMURA
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Publication number: 20210335446Abstract: Apparatuses and methods for post-package repair (PPR) protection. A device may enter a PPR mode to repair one or more memory addresses by blowing fuses. However, fuses may be incorrectly blown if the device receives row activation (ACT) signals while in the PPR mode. A PPR mask circuit may provide a PPR mask signal if an ACT signal is received while the memory is in the PPR mode. The PPR mask signal may suppress further ACT signals from being provided. In some embodiments, the memory may also include a PPR function circuit, which may monitor one or more signals used as part of PPR operations. If these signals are in an illegal state, the PPR function circuit may suppress PPR operations to prevent damage to the fuse array.Type: ApplicationFiled: April 28, 2020Publication date: October 28, 2021Applicant: MICRON TECHNOLOGY, INC.Inventor: TAKAAKI NAKAMURA
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Patent number: 11137750Abstract: A time-series data processing device (10) includes: a protruding data extracting unit (2) for extracting, from time-series data (1) which is a sequence of values obtained from sequential observation with the elapse of time, protruding data including an ascending leg a value of which continuously rises with respect to time and a descending leg a value of which continuously drops with respect to time; an occurrence pattern defining unit (3) for defining an occurrence pattern of protruding data in the time-series data (1); and an occurrence pattern detecting unit (4) for detecting, as a segment (5), one or more pieces of protruding data matching the occurrence pattern defined by the occurrence pattern defining unit (3), from among a set of pieces of protruding data extracted by the protruding data extracting unit (2).Type: GrantFiled: October 6, 2016Date of Patent: October 5, 2021Assignee: MITSUBISHI ELECTRIC CORPORATIONInventors: Makoto Imamura, Takaaki Nakamura, Norio Hirai
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Publication number: 20210231535Abstract: An abnormality detection device is configured so as to include: an outlier score calculating unit for calculating, from abnormality detection time-series data indicating states of equipment which is an abnormality detection target at a plurality of times in time series, a degree of abnormality of the equipment at each of the plurality of times as an abnormality detection outlier score; an outlier data extracting unit for extracting, from among pieces of the abnormality detection time-series data, a piece of abnormality detection time-series data in a time period in which an abnormality may have occurred in the equipment as abnormality detection outlier data on the basis of the abnormality detection outlier score at each of the plurality of times calculated by the outlier score calculating unit; and an abnormality determining unit for collating a waveform of the abnormality detection outlier data extracted by the outlier data extracting unit with a waveform condition for determining that a waveform indicatingType: ApplicationFiled: April 16, 2021Publication date: July 29, 2021Applicant: Mitsubishi Electric CorporationInventor: Takaaki NAKAMURA
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Patent number: 11068744Abstract: A principal component calculating unit (13) for calculating a principal component of a plurality of sensor data collected from a device, and a physical quantity for failure determination calculating unit (11) for calculating a physical quantity to be used for failure determination on the basis of the plurality of sensor data are provided. Further, an operation state classification unit (14) for generating classification, for each operation state, of the sensor data collected from the device, using the principal component calculated by the principal component calculating unit (13) and the physical quantity calculated by the physical quantity for failure determination calculating unit (11) is provided.Type: GrantFiled: January 13, 2016Date of Patent: July 20, 2021Assignee: MITSUBISHI ELECTRIC CORPORATIONInventors: Toshiyuki Kuriyama, Norio Hirai, Makoto Imamura, Takahisa Hirata, Takaaki Nakamura
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Publication number: 20210096556Abstract: The data processing device includes: an extraction condition input unit that receives inputting of waveform data including a change point of a state of a device, parameter information about the waveform data, and transition information of the device; a similarity calculation unit that calculates similarity between time-series data of the device and the waveform data; an operating mode determination unit that sets the state of the device on the basis of the transition information of the device; a change point detection unit that detects the change point from the time-series data of the device on the basis of the calculated similarity and the determined state of the device, and sets a start time of a segment which is a subsequence of the time-series data and an end time of the segment; and an information output unit that outputs, as segment information, the state of the device, the start time of the segment, and the end time of the segment.Type: ApplicationFiled: December 11, 2020Publication date: April 1, 2021Applicant: Mitsubishi Electric CorporationInventor: Takaaki NAKAMURA
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Patent number: 10882116Abstract: A coated cutting tool comprising a substrate and a coating layer formed on the substrate, wherein: the coating layer is laminated in order from the substrate side toward a surface side of the coating layer; and the coating layer comprises an upper layer and a lower layer which satisfy the following conditions that: “at least one of {422} planes of TiCN particles located closest to the surface in the lower layer and at least one of {006} planes of ?-type Al2O3 particles located closest to the substrate in the upper layer and immediately above the TiCN particles are substantially parallel to each other, and at least one of {111} planes of the TiCN particles and at least one of {110} planes of the ?-type Al2O3 particles are substantially parallel to each other”; and “at least one of {111} planes of TiCN particles located closest to the surface in the lower layer and at least one of {006} planes of ?-type Al2O3 particles located closest to the substrate in the upper layer and immediately above the TiCN particlesType: GrantFiled: June 27, 2017Date of Patent: January 5, 2021Assignee: TUNGALOY CORPORATIONInventor: Takaaki Nakamura
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Publication number: 20200393564Abstract: A sonar unit includes: a circuit substrate on which a transducer, electronic components constituting a circuit configured to drive the transducer, and an input-output terminal for the circuit are mounted; and a shield unit. The shield unit includes a plate portion at a position where the plate portion overlaps at least a part of the electronic components when the shield unit is viewed in a thickness direction of the rectangular circuit substrate. The shield unit includes a window portion provided as a through-hole or a notch. The window portion is placed at a position close to the input-output terminal in a longitudinal direction of the rectangular circuit substrate when the window portion is viewed in the thickness direction of the rectangular circuit substrate.Type: ApplicationFiled: June 15, 2020Publication date: December 17, 2020Applicants: AISIN SEIKI KABUSHIKI KAISHA, WHETRON ELECTRONICS (SUZHOU) CO., LTDInventors: Chiaki SUMI, Takaaki NAKAMURA, Toshihito NAGAI, Gaoyang HONG