Patents by Inventor Mitsunori Watanabe
Mitsunori Watanabe 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: 20240120510Abstract: There is provided a fuel cell gas supply diffusion layer that includes: a sheet-shaped porous body layer having conductivity, the porous body layer allowing permeation and diffusion of a gas therethrough; and a plurality of gas flow path grooves formed on one surface of the porous body layer in a direction respectively directed from a gas inflow side to a gas outflow side. In the fuel cell gas supply diffusion layer, the plurality of gas flow path grooves include: a plurality of gas inflow side grooves formed on the gas inflow side; and a plurality of gas outflow side grooves formed on the gas outflow side.Type: ApplicationFiled: February 8, 2021Publication date: April 11, 2024Inventors: Hiroshi YANAI, Mitsunori NASU, Masahiro WATANABE
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Publication number: 20230418274Abstract: This data collection plan generating device generates a data collection plan including a combination of operating conditions for use when data are being acquired from an industrial machine that is operating. The data collection plan generating device: sets the specification of the industrial machine; extracts a constraining condition relating to an operation of the industrial machine; on the basis of the specification and the constraining condition, generates a plurality of operating conditions including a set of parameter values relating to the set specification; and generates and outputs a data collection plan from the generated operating conditions.Type: ApplicationFiled: December 14, 2021Publication date: December 28, 2023Inventors: Mitsunori WATANABE, Keita HADA
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Patent number: 11650565Abstract: A machine learning device includes: a measured data acquisition unit that acquires a measured data group; a thermal displacement acquisition unit that acquires a thermal displacement actual measured value about a machine element; a storage unit that uses the measured data group acquired by the measured data acquisition unit as input data, uses the thermal displacement actual measured value about the machine element acquired by the thermal displacement acquisition unit as a label, and stores the input data and the label in association with each other as teaching data; and a calculation formula learning unit that performs machine learning based on the measured data group and the thermal displacement actual measured value about the machine element, thereby setting a thermal displacement estimation calculation formula used for calculating the thermal displacement of the machine element based on the measured data group.Type: GrantFiled: March 16, 2018Date of Patent: May 16, 2023Assignee: FANUC CORPORATIONInventor: Mitsunori Watanabe
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Patent number: 11568290Abstract: An inspection apparatus includes a group data creation unit configured to create group data obtained by dividing a plurality of samples into a plurality of groups, a statistical state calculation unit configured to perform a statistical process for the samples divided into each of the groups to calculate data indicating a statistical state of a predetermined data item between the groups, and a user interface unit configured to display the statistical state in a display format enabling recognition of the statistical state between the groups on the basis of the data indicating the statistical state of the predetermined data item between the groups calculated by the statistical state calculation unit.Type: GrantFiled: March 27, 2020Date of Patent: January 31, 2023Assignee: FANUC CORPORATIONInventors: Mitsunori Watanabe, Keisuke Watanabe
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Patent number: 11460827Abstract: In a controller and a machine learning device capable of suppressing an influence of an abnormal value based on noise, etc., the machine learning device included in the controller includes a state observation unit for acquiring input data including at least one of internal data and external data of the manufacturing machine controlled by the controller, an input safety circuit for detecting an abnormality in the input data and outputting safe input data, a machine learning unit for executing learning of a learning model and inference using the learning model based on the safe input data and outputting inference data as an inference result, an output safety circuit for detecting an abnormality in the inference data and outputting safe inference data, and an output unit for outputting output data based on the safe inference data.Type: GrantFiled: November 5, 2018Date of Patent: October 4, 2022Assignee: Fanuc CorporationInventors: Mitsunori Watanabe, Takayuki Tamai, Kazuomi Maeda
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Patent number: 11112759Abstract: A thermal displacement correction system performs thermal displacement correction in cooperation with a thermal displacement correction device and a computer connected via a network. The thermal displacement correction system that corrects thermal displacement caused by processing performed by a machine comprises: the thermal displacement correction device connected to the machine; and the computer connected to the thermal displacement correction device via the network. The computer comprises: a data acquisition unit that acquires environmental data on an external environment of the machine via the network; a correction value inference unit that calculates a correction value using the environmental data; and a correction value output unit that outputs the correction value to the network.Type: GrantFiled: March 18, 2019Date of Patent: September 7, 2021Assignee: FANUC CORPORATIONInventor: Mitsunori Watanabe
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Publication number: 20200311588Abstract: An inspection apparatus includes a group data creation unit configured to create group data obtained by dividing a plurality of samples into a plurality of groups, a statistical state calculation unit configured to perform a statistical process for the samples divided into each of the groups to calculate data indicating a statistical state of a predetermined data item between the groups, and a user interface unit configured to display the statistical state in a display format enabling recognition of the statistical state between the groups on the basis of the data indicating the statistical state of the predetermined data item between the groups calculated by the statistical state calculation unit.Type: ApplicationFiled: March 27, 2020Publication date: October 1, 2020Inventors: Mitsunori WATANABE, Keisuke WATANABE
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Patent number: 10592824Abstract: A calculation formula learning unit sets a coefficient relating to a time lag element in a thermal displacement estimation calculation formula by machine learning while fixing a coefficient relating to measured data except the coefficient relating to the time lag element at a predetermined value based on a difference between a thermal displacement estimated value about a machine element calculated by substituting a measured data group into the thermal displacement estimation calculation formula and a thermal displacement actual measured value about the machine element; sets the coefficient relating to the measured data except the coefficient relating to the time lag element in the thermal displacement estimation calculation formula by machine learning based on the difference while fixing the coefficient relating to the time lag element at a predetermined value; and repeats the machine learning.Type: GrantFiled: March 14, 2018Date of Patent: March 17, 2020Assignee: FANUC CORPORATIONInventor: Mitsunori Watanabe
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Publication number: 20190294126Abstract: A thermal displacement correction system performs thermal displacement correction in cooperation with a thermal displacement correction device and a computer connected via a network. The thermal displacement correction system that corrects thermal displacement caused by processing performed by a machine comprises: the thermal displacement correction device connected to the machine; and the computer connected to the thermal displacement correction device via the network. The computer comprises: a data acquisition unit that acquires environmental data on an external environment of the machine via the network; a correction value inference unit that calculates a correction value using the environmental data; and a correction value output unit that outputs the correction value to the network.Type: ApplicationFiled: March 18, 2019Publication date: September 26, 2019Inventor: Mitsunori WATANABE
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Publication number: 20190137969Abstract: In a controller and a machine learning device capable of suppressing an influence of an abnormal value based on noise, etc., the machine learning device included in the controller includes a state observation unit for acquiring input data including at least one of internal data and external data of the manufacturing machine controlled by the controller, an input safety circuit for detecting an abnormality in the input data and outputting safe input data, a machine learning unit for executing learning of a learning model and inference using the learning model based on the safe input data and outputting inference data as an inference result, an output safety circuit for detecting an abnormality in the inference data and outputting safe inference data, and an output unit for outputting output data based on the safe inference data.Type: ApplicationFiled: November 5, 2018Publication date: May 9, 2019Applicant: Fanuc CorporationInventors: Mitsunori Watanabe, Takayuki Tamai, Kazuomi Maeda
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Patent number: 10248103Abstract: A numerical controller looks ahead and analyzes commands indicated by a block contained in a program, and identifies a travel direction of a control target for each of the commands to calculate a time constant based on the identified travel direction. The numerical controller then sets a time constant for filter processing based on the time constant for each of the commands, and performs filter processing on command data subjected to a linear acceleration and deceleration process, based on the set time constant. The numerical controller then calculates movement of each axis for each interpolation period, based on the command data subjected to the filter processing.Type: GrantFiled: June 22, 2017Date of Patent: April 2, 2019Assignee: Fanuc CorporationInventor: Mitsunori Watanabe
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Publication number: 20180276570Abstract: A calculation formula learning unit sets a coefficient relating to a time lag element in a thermal displacement estimation calculation formula by machine learning while fixing a coefficient relating to measured data except the coefficient relating to the time lag element at a predetermined value based on a difference between a thermal displacement estimated value about a machine element calculated by substituting a measured data group into the thermal displacement estimation calculation formula and a thermal displacement actual measured value about the machine element; sets the coefficient relating to the measured data except the coefficient relating to the time lag element in the thermal displacement estimation calculation formula by machine learning based on the difference while fixing the coefficient relating to the time lag element at a predetermined value; and repeats the machine learning.Type: ApplicationFiled: March 14, 2018Publication date: September 27, 2018Inventor: Mitsunori WATANABE
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Publication number: 20180275629Abstract: A machine learning device includes: a measured data acquisition unit that acquires a measured data group; a thermal displacement acquisition unit that acquires a thermal displacement actual measured value about a machine element; a storage unit that uses the measured data group acquired by the measured data acquisition unit as input data, uses the thermal displacement actual measured value about the machine element acquired by the thermal displacement acquisition unit as a label, and stores the input data and the label in association with each other as teaching data; and a calculation formula learning unit that performs machine learning based on the measured data group and the thermal displacement actual measured value about the machine element, thereby setting a thermal displacement estimation calculation formula used for calculating the thermal displacement of the machine element based on the measured data group.Type: ApplicationFiled: March 16, 2018Publication date: September 27, 2018Inventor: Mitsunori WATANABE
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Publication number: 20170371315Abstract: A numerical controller looks ahead and analyzes commands indicated by a block contained in a program, and identifies a travel direction of a control target for each of the commands to calculate a time constant based on the identified travel direction. The numerical controller then sets a time constant for filter processing based on the time constant for each of the commands, and performs filter processing on command data subjected to a linear acceleration and deceleration process, based on the set time constant. The numerical controller then calculates movement of each axis for each interpolation period, based on the command data subjected to the filter processing.Type: ApplicationFiled: June 22, 2017Publication date: December 28, 2017Applicant: FANUC CorporationInventor: Mitsunori Watanabe
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Patent number: 9804583Abstract: A numerical control device includes a command analysis unit, an acceleration calculation unit in reversing operation, a velocity control unit, and an interpolation unit. The acceleration calculation unit in reversing operation is configured to calculate the acceleration of the drive shaft before and after the reversing operation when reversal of the commanded path of the drive shaft based on the commanded data is detected by the velocity control unit.Type: GrantFiled: August 27, 2015Date of Patent: October 31, 2017Assignee: FANUC CORPORATIONInventors: Mitsunori Watanabe, Takenori Ono
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Publication number: 20160062338Abstract: A numerical control device includes a command analysis unit, an acceleration calculation unit in reversing operation, a velocity control unit, and an interpolation unit. The acceleration calculation unit in reversing operation is configured to calculate the acceleration of the drive shaft before and after the reversing operation when reversal of the commanded path of the drive shaft based on the commanded data is detected by the velocity control unit.Type: ApplicationFiled: August 27, 2015Publication date: March 3, 2016Inventors: Mitsunori WATANABE, Takenori ONO
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Patent number: 8991514Abstract: A cultivator may include at least one rechargeable battery for an electrical power tool as a power source. The at least one rechargeable battery may include a plurality of rechargeable batteries. Further, the plurality of rechargeable batteries may be switched in sequence, so as to be used as the power source.Type: GrantFiled: June 14, 2012Date of Patent: March 31, 2015Assignee: Makita CorporationInventors: Katsumi Tozawa, Shigeru Takeda, Kouji Haneda, Mitsunori Watanabe
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Patent number: 8853905Abstract: Provided is a radial direction controller capable of handling changes in negative bearing stiffness according to the mounting orientation.Type: GrantFiled: December 27, 2012Date of Patent: October 7, 2014Assignee: Osaka Vacuum, Ltd.Inventors: Tetsuro Ohbayashi, Mitsunori Watanabe
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Publication number: 20140159526Abstract: Provided is a radial direction controller capable of handling changes in negative bearing stiffness according to the mounting orientation.Type: ApplicationFiled: December 27, 2012Publication date: June 12, 2014Applicant: Osaka Vacuum Ltd.Inventors: Tetsuro Ohbayashi, Mitsunori Watanabe
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Publication number: 20130049477Abstract: A cultivator configured such that at least one rechargeable specified battery for an electrical power tool can be attached thereto as a power source may include at least one battery converter that is capable of being coupled to at least one battery coupling portion.Type: ApplicationFiled: August 16, 2012Publication date: February 28, 2013Applicant: MAKITA CORPORATIONInventors: Katsumi TOZAWA, Shigeru TAKEDA, Kouji HANEDA, Mitsunori WATANABE