Patents by Inventor Masahiro Yasuda
Masahiro Yasuda 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: 20240118363Abstract: Included are: a vector estimation unit that receives a real number spectrogram and an acoustic intensity vector as inputs and outputs a reverberation component of an acoustic intensity vector; an angle mask extraction unit that receives the acoustic intensity vector as an input and extracts an angle mask; a time-frequency mask estimation unit that receives the real number spectrogram, the acoustic intensity vector from which the reverberation component has been subtracted, and the angle mask as inputs, and outputs a time-frequency mask for noise suppression and sound source separation; a first sound source direction-of-arrival derivation unit that derives a sound source direction-of-arrival on the basis of an acoustic intensity vector obtained by applying the time-frequency mask to the acoustic intensity vector from which the reverberation component has been subtracted; a second sound source direction-of-arrival derivation unit that derives a sound source direction-of-arrival on the basis of an acoustic intenType: ApplicationFiled: February 17, 2021Publication date: April 11, 2024Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventor: Masahiro YASUDA
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Publication number: 20240087594Abstract: Provided is a technique for accurately estimating a scene even when the number of input signals increases. A scene estimation method includes: when S is the number of scenes and M is the number of input acoustic signals, an acoustic signal encoding step of generating, by a scene estimation device, an integrated acoustic feature amount from an m-th input acoustic signal (m=1, . . . , M) and a position where the m-th input acoustic signal is acquired (hereinafter referred to as an m-th input acoustic signal acquisition position) (m=1, . . . , M); and a scene selection step of selecting, by the scene estimation device, a scene from which M input acoustic signals are acquired from among S scenes, using the integrated acoustic feature amount.Type: ApplicationFiled: February 10, 2021Publication date: March 14, 2024Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Masahiro YASUDA, Yasunori OHISHI, Shoichiro SAITO
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Patent number: 11922965Abstract: A direction-of-arrival estimation device for achieving direction-of-arrival estimation which is robust against an SNR and in which an application range of a learning model is specific is provided.Type: GrantFiled: February 4, 2020Date of Patent: March 5, 2024Assignee: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Masahiro Yasuda, Yuma Koizumi
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Patent number: 11886996Abstract: An input of a first observation signal corresponding to an incoming signal from a first direction is received, an angular rotation operation of the first observation signal is performed to obtain a second observation signal corresponding to an incoming signal from a second direction that is different from the first direction and the second observation signal is added to a set of training data.Type: GrantFiled: June 20, 2019Date of Patent: January 30, 2024Assignee: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Masahiro Yasuda, Yuma Koizumi, Noboru Harada
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Publication number: 20240021201Abstract: Even in a case where an amount of training data is small, a caption for an audio signal is generated with high accuracy. An audio caption generation apparatus (1) generates a caption for an input target audio. A training data storage (10) stores a training data set including a set of an audio signal and a caption corresponding thereto. An audio similarity calculation unit (11) calculates similarity between the target audio and each audio signal of training data. A guidance caption retrieval unit (12) acquires a plurality of captions corresponding to an audio signal similar to the target audio. A caption generation unit (13) generates a caption for the target audio by determining words in order from the head on the basis of the acquired captions.Type: ApplicationFiled: November 18, 2020Publication date: January 18, 2024Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Yuma KOIZUMI, Masahiro YASUDA
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Publication number: 20230384444Abstract: The autonomous movement device includes: an reception unit that is an antenna unit configured to receive output information; an angle estimation unit configured to estimate an arrival direction of the output information; a reception strength determination unit configured to determine a reception strength of the output information in the estimated arrival direction; an operation control unit configured generate movement direction information including a movement direction for moving an autonomous movement device, according to the estimated arrival direction and a magnitude of or a change in the reception strength; and a drive unit configured to generate drive information corresponding to the movement direction information.Type: ApplicationFiled: August 10, 2023Publication date: November 30, 2023Applicant: ROHM CO., LTD.Inventors: Hiroshi YAGUMA, Masahiro YASUDA
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Patent number: 11745312Abstract: The clamping device includes a pair of clamping members arranged in positions to clamp a rib (target portion to be clamped) of a workpiece and having contact surfaces to make contact with the rib; supports configured to support each of the pair of clamping members so as to be able to advance and retreat along a prescribed advancing/retreating direction relative to the rib, and to operate each of the pair of clamping members so as to clamp the rib when advancing; guiding units configured to make each of the pair of clamping members movable in a prescribed positioning direction due to a reaction force occurring when the pair of clamping members clamp the rib; and coil springs (biasing members) configured to elastically bias the pair of clamping members in a direction opposite the positioning direction, thereby capable of positioning the workpiece with high precision without damaging the workpiece.Type: GrantFiled: February 15, 2022Date of Patent: September 5, 2023Assignee: HONDA MOTOR CO., LTD.Inventors: Masahiro Yasuda, Takuya Kawashima, Atsushi Yusa
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Patent number: 11590679Abstract: The present invention pertains to an injection molding mold that can extrude the entirety of a workpiece from a cavity even when the cavity is enlarged so as to extend further than the outer side of an ejector plate. The injection molding mold may include a mold member having a cavity formed on the front side, a mold frame supporting the mold member from the back side, an ejector plate provided in the space within the mold frame so as to ascend and descend freely therein, a first workpiece extrusion means for extruding the workpiece above the ejector plate, and a second workpiece extrusion means for operating in conjunction with the first workpiece extrusion means and extruding the workpiece formed in the cavity in an area that is further to an outer side than the ejector plate.Type: GrantFiled: October 26, 2018Date of Patent: February 28, 2023Assignee: HONDA MOTOR CO., LTD.Inventors: Masahiro Yasuda, Tsuyoshi Makihara
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Publication number: 20220383106Abstract: An input of a first observation signal corresponding to an incoming signal from a first direction is received, an angular rotation operation of the first observation signal is performed to obtain a second observation signal corresponding to an incoming signal from a second direction that is different from the first direction and the second observation signal is added to a set of training data.Type: ApplicationFiled: June 20, 2019Publication date: December 1, 2022Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Masahiro YASUDA, Yuma KOIZUMI, Noboru HARADA
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Publication number: 20220305705Abstract: Provided is an injection molding die capable of adjusting a size of a support member, preventing bending of a mold, and preventing occurrence of burrs without removing the mold and making the support member again. The present invention provides an injection molding die including a fixed mold and a movable mold that face each other, the fixed mold and the movable mold being clamped to form a cavity for molding a molded product, the injection molding die further including at least one support member that is provided to abut on a surface opposite to a surface on which the cavity is formed in either or both of the fixed mold and the movable mold, the at least one support member being a stretchable support member in a direction of the cavity.Type: ApplicationFiled: February 23, 2022Publication date: September 29, 2022Inventors: Masahiro YASUDA, Daisuke TOKUNOU, Kenya HASEGAWA
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Publication number: 20220301575Abstract: A direction-of-arrival estimation device for achieving direction-of-arrival estimation which is robust against an SNR and in which an application range of a learning model is specific is provided.Type: ApplicationFiled: February 4, 2020Publication date: September 22, 2022Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Masahiro YASUDA, Yuma KOIZUMI
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Publication number: 20220266424Abstract: The clamping device includes a pair of clamping members arranged in positions to clamp a rib (target portion to be clamped) of a workpiece and having contact surfaces to make contact with the rib; supports configured to support each of the pair of clamping members so as to be able to advance and retreat along a prescribed advancing/retreating direction relative to the rib, and to operate each of the pair of clamping members so as to clamp the rib when advancing; guiding units configured to make each of the pair of clamping members movable in a prescribed positioning direction due to a reaction force occurring when the pair of clamping members clamp the rib; and coil springs (biasing members) configured to elastically bias the pair of clamping members in a direction opposite the positioning direction, thereby capable of positioning the workpiece with high precision without damaging the workpiece.Type: ApplicationFiled: February 15, 2022Publication date: August 25, 2022Inventors: Masahiro YASUDA, Takuya KAWASHIMA, Atsushi YUSA
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Patent number: 10843394Abstract: An injection molding machine nozzle capable of suppressing stringiness caused by unsolidified resin in the case where a mold is released in a short time and reducing a cycle time, is provided. An injection molding machine nozzle (10) includes a nozzle hole to eject molten resin from a hot runner (12). The injection molding machine nozzle (10) includes a nozzle tip (16) made of a material having higher heat conductivity than that of the hot runner (12) and including a nozzle hole (16B) communicating with a most downstream side of a resin flow path of the hot runner (12). The nozzle tip (16) is joined to the hot runner (12) through a heat insulation member (14).Type: GrantFiled: January 24, 2017Date of Patent: November 24, 2020Assignee: HONDA MOTOR CO., LTD.Inventors: Masahiro Yasuda, Qinyao Jiang, Tetsuro Hosaka, Shunsuke Tsukada, Yuji Kinoshita
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Publication number: 20200361128Abstract: An injector includes a nozzle provided with a valve seat, a valve body which is seated on or separated from the valve seat, and a displacement means for displacing the valve body. A resin flow passage through which molten resin flows is formed inside the nozzle. The resin flow passage includes a cross-sectional area varying portion having a cross-sectional area, in a direction orthogonal to a flow direction, which varies with increasing distance toward or away from the valve body. The displacement means is capable of stopping the valve body in any position in the cross-sectional area varying portion.Type: ApplicationFiled: February 8, 2019Publication date: November 19, 2020Inventors: Tomoki Maeda, Masahiro Yasuda, Takuma Koshiji, Shun Hosoi, Shinichi Nobuhara
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Publication number: 20200324448Abstract: The present invention pertains to an injection molding mold that can extrude the entirety of a workpiece from a cavity even when the cavity is enlarged so as to extend further than the outer side of an ejector plate. The injection molding mold may include a mold member having a cavity formed on the front side, a mold frame supporting the mold member from the back side, an ejector plate provided in the space within the mold frame so as to ascend and descend freely therein, a first workpiece extrusion means for extruding the workpiece above the ejector plate, and a second workpiece extrusion means for operating in conjunction with the first workpiece extrusion means and extruding the workpiece formed in the cavity in an area that is further to an outer side than the ejector plate.Type: ApplicationFiled: October 26, 2018Publication date: October 15, 2020Inventors: Masahiro Yasuda, Tsuyoshi Makihara
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Patent number: 10587301Abstract: A wireless communications module of the present invention includes a wireless communication control unit and a plurality of external connection terminals. At least any one of the plurality of external connection terminals and the wireless communication control unit are connected via a communication frequency component removing element.Type: GrantFiled: May 8, 2015Date of Patent: March 10, 2020Assignee: ROHM CO., LTD.Inventors: Masahiro Yasuda, Tomohiro Ikuta
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Publication number: 20190039273Abstract: An injection molding machine nozzle capable of suppressing stringiness caused by unsolidified resin in the case where a mold is released in a short time and reducing a cycle time, is provided. An injection molding machine nozzle (10) includes a nozzle hole to eject molten resin from a hot runner (12). The injection molding machine nozzle (10) includes a nozzle tip (16) made of a material having higher heat conductivity than that of the hot runner (12) and including a nozzle hole (16B) communicating with a most downstream side of a resin flow path of the hot runner (12). The nozzle tip (16) is joined to the hot runner (12) through a heat insulation member (14).Type: ApplicationFiled: January 24, 2017Publication date: February 7, 2019Inventors: Masahiro Yasuda, Qinyao Jiang, Tetsuro Hosaka, Shunsuke Tsukada, Yuji Kinoshita
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Publication number: 20170349496Abstract: A nuclear reactor structure configuring a pebble accommodating space of a pebble bed type nuclear reactor includes a core material including graphite and a ceramic/ceramic composition material covering a surface of the core material. According to a core material processing step (A) of processing the core material including graphite into a quadrangular prism, a bottom surface of which is an approximately isosceles trapezoid, a step (B) of obtaining a base material by covering the core material with an aggregate including a ceramic fiber, and a CVD step (C) of putting the base material into a CVD reactor and forming a SiC matrix in gaps of the aggregate, thereby forming a ceramic/ceramic composite material on a surface of the core material, the nuclear reactor structure capable of enhancing durability, preventing cracking, etc. from occurring, and preventing exposure of graphite as the core material from occurring, can be provided.Type: ApplicationFiled: December 17, 2015Publication date: December 7, 2017Applicant: BIDEN CO., LTDInventors: Takashi TAKAGI, Masahiro YASUDA
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Publication number: 20170155420Abstract: A wireless communications module of the present invention includes a wireless communication control unit and a plurality of external connection terminals. At least any one of the plurality of external connection terminals and the wireless communication control unit are connected via a communication frequency component removing element.Type: ApplicationFiled: May 8, 2015Publication date: June 1, 2017Inventors: Masahiro YASUDA, Tomohiro IKUTA
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Patent number: 8937828Abstract: An associative memory that can reduce search errors is provided. An associative memory includes R distance/time conversion circuits DT1 to DTR. The R distance/time conversion circuits DT1 to DTR each include a NAND circuit 40 and N bit stages 41 to 4k. The N bit stages 41 to 4k delay a signal from the NAND circuit 40 by longer delay time as the distance between reference data and search data is greater and oscillate the signal. Among R oscillation signals output from the distance/time conversion circuits DT1 to DTR, the earliest changing oscillation signal is detected as an oscillation signal for the Winner row.Type: GrantFiled: May 8, 2012Date of Patent: January 20, 2015Assignee: Hiroshima UniversityInventors: Hans Juergen Mattausch, Tetsushi Koide, Masahiro Yasuda, Seiryu Sasaki