Patents by Inventor Hidetaka Ito
Hidetaka Ito 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: 20220277235Abstract: An optimization device includes a model construction unit that constructs a model for representing a relationship among groups and for obtaining a prediction represented as a time series based on a set of groups of occurrence time points of reference events as events occurring before interventions and intervention timings as time points to cause the interventions and a set of evaluation values of the groups, a parameter determination unit that acquires one or more occurrence time points of the reference events and determines the next group including a next intervention timing based on the acquired occurrence time points of the reference events, the constructed model, and an acquisition function for obtaining the next intervention timing, an evaluation unit that performs the intervention at the next intervention timing in the determined next group and calculates the evaluation value of the group obtained as the next group, and an assessment unit that causes construction of the model, determination of the groupType: ApplicationFiled: July 29, 2019Publication date: September 1, 2022Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Hidetaka ITO, Tatsushi MATSUBAYASHI, Takeshi KURASHIMA, Hiroyuki TODA, Masami TAKAHASHI, Masahiro KOJIMA
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Patent number: 11421630Abstract: A gas-liquid separator includes a cylindrical inlet pipe and a fluid inflow pipe. The inlet pipe includes a fluid inlet which is formed in a fluid entering side and radially opens. An axis line of the inlet pipe horizontally extends. The fluid inflow pipe includes at an end a connection opening connected to the fluid inlet. An axis line of the fluid inflow pipe horizontally extends. The fluid inflow pipe introduces the gas-liquid two-phase fluid through the fluid inlet from a side of the inlet pipe. In a connecting portion, a position of an axis line extending through a center of a connection opening in communication with the fluid inlet is vertically offset with respect to a position of the axis line of the inlet pipe.Type: GrantFiled: October 17, 2018Date of Patent: August 23, 2022Assignees: USUI CO., LTD., TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Tetsunobu Suzuki, Hidetaka Ito
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Publication number: 20220253701Abstract: In a learning apparatus, in a neural network into which low-resolution data having a low resolution and representing demographics including positions and densities, first auxiliary information related to types of locations in an area and positions of the locations, and second auxiliary information representing at least one of a time of day, weather, or another information representing a change in time series are input, and from which resolution enhanced data with resolution of the demographics being enhanced is output, resolution enhanced intermediate data with a resolution of the low-resolution data for learning for each set of an area and a time zone being enhanced is determined, weights for the types of locations using the first auxiliary information for the types of locations and the second auxiliary information, for each set of an area and a time zone is determined, resolution enhanced data that is the first auxiliary information weighted by the weight for each of the types of locations being integratedType: ApplicationFiled: July 22, 2019Publication date: August 11, 2022Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Hidetaka ITO, Tatsushi MATSUBAYASHI, Takeshi KURASHIMA, Hiroyuki TODA
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Publication number: 20220207401Abstract: A plurality of parameter values can be simultaneously selected to achieve faster optimization of the parameters. An optimization apparatus 10 includes: an evaluation unit 120 configured to perform calculation based on evaluation data and parameter values to be evaluated and output evaluation values representing evaluation of calculation results; a selection unit 100 configured to train a model for predicting the evaluation values for the parameter values based on the evaluation values output at the evaluation unit 120 and a combination of the parameter values and determine, based on the trained model, a plurality of the parameter values to be next evaluated at the evaluation unit 120; and an output unit 160 configured to output an optimized parameter value obtained by repeating processing at the evaluation unit 120 and determination at the selection unit 100.Type: ApplicationFiled: April 20, 2020Publication date: June 30, 2022Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Hidetaka ITO, Tatsushi MATSUBAYASHI, Hiroyuki TODA
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Patent number: 11313330Abstract: A gas-liquid separator includes an inlet pipe and an inner pipe. The inlet pipe includes a swirling flow generating member therewithin, and a first drain port through which the liquid exits. The inner pipe includes an opening at an end which is inserted into an end of the inlet pipe. The swirling flow generating member includes a vane supporting portion extending along an axis line of the inlet pipe, and stator vanes provided on an outer circumferential surface of the vane supporting portion. The vane supporting portion has a conical shape whose diameter gradually increases from a fluid entering side to a fluid exiting side of the gas-liquid two-phase fluid. The stator vanes surround the outer circumference with inclining relative to the axis line of the inlet pipe.Type: GrantFiled: October 17, 2018Date of Patent: April 26, 2022Assignee: USUI CO., LTD.Inventors: Tetsunobu Suzuki, Hidetaka Ito
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Publication number: 20220019857Abstract: In order to perform optimization of parameters at high speed, an evaluating unit (120) repetitively calculates an evaluated value of machine learning or a simulation while changing a value of a parameter, an optimizing unit (100) uses a model constructed by learning a pair of a value of a parameter of which an evaluated value had been previously calculated and the evaluated value to predict an evaluated value with respect to a value of at least one parameter included in a parameter space specified based on a value of a parameter of which an evaluated value had been last calculated and select a value of a parameter of which an evaluated value is to be calculated next by the evaluating unit (120) based on predicted data of a currently predicted evaluated value and predicted data of a previously predicted evaluated value, and an output unit (180) outputs an optimal value of a parameter based on an evaluated value calculated by the evaluating unit 120.Type: ApplicationFiled: January 23, 2020Publication date: January 20, 2022Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Hidetaka ITO, Tatsushi MATSUBAYASHI, Hiroyuki TODA
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Publication number: 20220012548Abstract: Upper-order parameters and lower-order parameters can be optimized by performing evaluation a small number of times. An optimization apparatus 10 includes: an evaluation unit 300 that performs calculation based on evaluation data, an upper-order parameter z, and a lower-order parameter x, and outputs an evaluation value indicating an evaluation on the calculation result; an optimization unit 100 that optimizes the upper-order parameter z and the lower-order parameter x; and an output unit 400 that outputs the optimized upper-order parameter z and lower-order parameter x that are obtained by repeating processing in the evaluation unit 300 and processing in the evaluation unit 300.Type: ApplicationFiled: October 25, 2019Publication date: January 13, 2022Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Hidetaka ITO, Kyota TSUTSUMIDA, Tatsushi MATSUBAYASHI, Hiroyuki TODA
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Patent number: 11179662Abstract: A gas-liquid separator includes an inlet pipe through which a gas-liquid two-phase fluid flows and a swirling flow generating ribbon disposed within the inlet pipe to swirl the gas-liquid two-phase fluid along an inner surface of the inlet pipe, wherein the inner surface of the inlet pipe includes a first step surface at a location downstream of a flow direction of the gas-liquid two-phase fluid from the swirling flow generating ribbon, the first step surface increasing an inner diameter of the inlet pipe downward thereof.Type: GrantFiled: December 4, 2017Date of Patent: November 23, 2021Assignee: USUI CO., LTDInventors: Tetsunobu Suzuki, Hidetaka Ito
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Publication number: 20210241123Abstract: A parameter can be optimized with a small number of evaluations. For each of a plurality of candidate search points that are parameters used as candidates for search points which a candidate search point generation unit 120 has generated based on a plurality of parameters used for calculation, a search point determination unit 130 determines whether or not to set the candidate search point as a search point using a plurality of data points, each including a set of a parameter used for calculation by an evaluation unit 300 and an evaluation value that has been calculated by using the parameter used for calculation by the evaluation unit 300 as a search point.Type: ApplicationFiled: April 24, 2019Publication date: August 5, 2021Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Kyota TSUTSUMIDA, Hidetaka ITO, Tatsushi MATSUBAYASHI, Hiroyuki TODA
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Patent number: 10881996Abstract: A swirling flow generator for gas-liquid separation includes a swirling flow generating ribbon for swirling a gas-liquid two-phase fluid flowing through a pipe to guide a liquid toward an inner surface of the pipe by centrifugal force. A terminal end of the swirling flow generating ribbon where the gas-liquid two-phase fluid is to flow out includes a first terminal edge and a second terminal edge. The first and second terminal edges connect a first terminal end point, a second terminal end point, and a middle terminal end point. The first terminal end point is in a first of radially outward ends and the second terminal end point is in a second of the radially outward ends. The middle terminal end point is closer to a side where the gas-liquid two-phase fluid is to flow in than the first and second terminal end points and is on an axial line.Type: GrantFiled: December 8, 2016Date of Patent: January 5, 2021Assignee: USUI CO., LTD.Inventors: Tetsunobu Suzuki, Hidetaka Ito, Yoshiyuki Serizawa
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Publication number: 20200386195Abstract: A gas-liquid separator includes an inlet pipe through which a gas-liquid two-phase fluid flows and a swirling flow generating ribbon disposed within the inlet pipe to swirl the gas-liquid two-phase fluid along an inner surface of the inlet pipe, wherein the inner surface of the inlet pipe includes a first step surface at a location downstream of a flow direction of the gas-liquid two-phase fluid from the swirling flow generating ribbon, the first step surface increasing an inner diameter of the inlet pipe downward thereof.Type: ApplicationFiled: December 4, 2017Publication date: December 10, 2020Inventors: Tetsunobu SUZUKI, Hidetaka ITO
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Publication number: 20200370517Abstract: A gas-liquid separator includes a cylindrical inlet pipe and a fluid inflow pipe. The inlet pipe includes a fluid inlet which is formed in a fluid entering side and radially opens. An axis line of the inlet pipe horizontally extends. The fluid inflow pipe includes at an end a connection opening connected to the fluid inlet. An axis line of the fluid inflow pipe horizontally extends. The fluid inflow pipe introduces the gas-liquid two-phase fluid through the fluid inlet from a side of the inlet pipe. In a connecting portion, a position of an axis line extending through a center of a connection opening in communication with the fluid inlet is vertically offset with respect to a position of the axis line of the inlet pipe.Type: ApplicationFiled: October 17, 2018Publication date: November 26, 2020Inventors: Tetsunobu SUZUKI, Hidetaka ITO
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Patent number: 10828590Abstract: A gas-liquid separator includes an inlet pipe and an inner pipe. The inlet pipe receives a swirling flow generating ribbon, and includes an exhaust port through which a separated gas flows out and a drain port through which a separated liquid flows out. The outer diameter of the inner pipe is smaller than the inner diameter of the inlet pipe. An end of the inner pipe is inserted into the exhaust port and is open at a location downstream of the swirling flow generating ribbon. A terminal end of the swirling flow generating ribbon includes a first terminal edge and a second terminal edge. The first and second terminal edges connect a first terminal end point, a second terminal end point, and a middle terminal end point.Type: GrantFiled: December 8, 2016Date of Patent: November 10, 2020Assignee: USUI CO., LTD.Inventors: Tetsunobu Suzuki, Hidetaka Ito, Yoshiyuki Serizawa
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Publication number: 20200350599Abstract: To provide a sheet formed product that, in addition to being thin, has a small groove interval, groove width, and groove depth, that has a large contact surface area with oxygen gas or hydrogen gas, that is suitable for simply and at low cost producing a lightweight compact separator, and a manufacturing method for same. In the sheet formed product (amorphous thin sheet) according to the present invention, a metal matrix on which is formed a passivation layer on a surface layer thereof and that exhibits corrosion resistance has a three-dimensional surface structure, for example a groove-like uneven shape on a surface thereof. On the front surface having the uneven shape (or also on the back surface), particles of a conductive material component penetrate the passivation layer, and are exposed on the surface without being in solid solution in the metal matrix.Type: ApplicationFiled: October 31, 2018Publication date: November 5, 2020Inventors: MANABU KIUCHI, RYUROU KURAHACHI, YOSHIHISA FUKUDOME, KENJI KAWASAKA, KOJI KOREEDA, YOSHIO SHIN, TOSHIHARU MORIMOTO, SHIGEO KAKUDOU, KAZUNORI TAKIKAWA, HIDETAKA ITO, HIROAKI KONDO, SATOSHI KUBOTA, SOOYOUNG KIM, KAORU TSURUOKA, TOMOHIRO KANAMARU
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Publication number: 20200277919Abstract: A gas-liquid separator includes an inlet pipe and an inner pipe. The inlet pipe includes a swirling flow generating member therewithin, and a first drain port through which the liquid exits. The inner pipe includes an opening at an end which is inserted into an end of the inlet pipe. The swirling flow generating member includes a vane supporting portion extending along an axis line of the inlet pipe, and stator vanes provided on an outer circumferential surface of the vane supporting portion. The vane supporting portion has a conical shape whose diameter gradually increases from a fluid entering side to a fluid exiting side of the gas-liquid two-phase fluid. The stator vanes surround the outer circumference with inclining relative to the axis line of the inlet pipe.Type: ApplicationFiled: October 17, 2018Publication date: September 3, 2020Inventors: Tetsunobu SUZUKI, Hidetaka ITO
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Patent number: 10724581Abstract: A friction plate that is used in a friction engagement device configured to engage an input rotary member and an output rotary member with each other, the friction plate including a base plate having an annular plate shape; and a friction member provided on the base plate in a circumferential direction of the friction plate.Type: GrantFiled: March 15, 2017Date of Patent: July 28, 2020Assignees: AISIN AW CO., LTD., TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Kazuhiko Sugita, Makoto Nakazuru, Hidetaka Ito, Koji Nakamura, Takuya Okada, Isamu Hachisuwa
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Patent number: 10385490Abstract: A main object of the present invention is to provide a method for manufacturing a binder-containing inorganic fiber molded body where localization of the binder is inhibited. The present invention achieves the object by providing a method for manufacturing a binder-containing inorganic fiber molded body including steps of: a binder solution coating step of coating an inorganic fiber molded body with a binder solution, and a liquid coating step of coating the inorganic fiber molded body coated with the binder solution with a liquid of which boiling point is less than 120° C.Type: GrantFiled: November 17, 2015Date of Patent: August 20, 2019Assignee: MITSUBISHI CHEMICAL CORPORATIONInventors: Toshio Ito, Hidetaka Ito
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Publication number: 20190048942Abstract: A friction plate that is used in a friction engagement device configured to engage an input rotary member and an output rotary member with each other, the friction plate including a base plate having an annular plate shape; and a friction member provided on the base plate in a circumferential direction of the friction plate.Type: ApplicationFiled: March 15, 2017Publication date: February 14, 2019Applicants: AISIN AW CO., LTD., TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Kazuhiko SUGITA, Makoto NAKAZURU, Hidetaka ITO, Koji NAKAMURA, Takuya OKADA, Isamu HACHISUWA
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Publication number: 20180361290Abstract: A gas-liquid separator includes the inlet pipe and an inner pipe. The inlet pipe receives a swirling flow generating ribbon, and includes an exhaust port through which a separated gas flows out and a drain port through which a separated liquid flows out. The outer diameter of the inner pipe is smaller than the inner diameter of the inlet pipe. An end of the inner pipe is inserted into the exhaust port and is open at a location downstream of the swirling flow generating ribbon. A terminal end of the swirling flow generating ribbon (30) includes a first terminal edge and a second terminal edge. The first and second terminal edges connect a first terminal end point, a second terminal end point, and a middle terminal end point.Type: ApplicationFiled: December 8, 2016Publication date: December 20, 2018Inventors: Tetsunobu SUZUKI, Hidetaka ITO, Yoshiyuki SERIZAWA
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Publication number: 20180361289Abstract: A swirling flow generator for gas-liquid separation includes a swirling flow generating ribbon that swirls a gas-liquid two-phase fluid flowing through an inlet pipe to guide a liquid toward an inner surface of the inlet pipe by centrifugal force. A terminal end of the swirling flow generating ribbon where the gas-liquid two-phase fluid flows out includes a first terminal edge and a second terminal edge. The first and second terminal edges connect a first terminal end point, a second terminal end point, and a middle terminal end point. The first terminal end point is in one of radially outward ends and the second terminal end point is in the other of the radially outward ends. The middle terminal end point is closer to the side where the gas-liquid two-phase fluid flows in than the first and second terminal end points and is on an axial line.Type: ApplicationFiled: December 8, 2016Publication date: December 20, 2018Inventors: Tetsunobu SUZUKI, Hidetaka ITO, Yoshiyuki SERIZAWA