Patents by Inventor Takuya Kawamura
Takuya Kawamura 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: 11969765Abstract: Included are a chute arranged in an inclined manner to allow sorting targets to flow downward, optical detection means for detecting the sorting targets at a detection position, and ejector means for sorting and removing the sorting targets based on a result of detection of the optical detection means. The chute is provided with an optical detection slit in a direction orthogonal to a flow-down direction of the sorting targets, a slit width of the optical detection slit is adjustable, and the optical detection means images the sorting targets flowing downward on the chute with the imaging means at a position where the optical detection slit is provided as the detection position.Type: GrantFiled: December 23, 2020Date of Patent: April 30, 2024Assignee: SATAKE CORPORATIONInventors: Yoichi Kawamura, Takuya Nishida
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Publication number: 20240096533Abstract: The coil component includes a coil, a first core having a first magnetic permeability, and a second core having a second magnetic permeability lower than the first magnetic permeability. The first core and the second core form a magnetic path. The coil forms two or more winding windows. The first core contacts with an entirety of one side line extending in a second direction of each of the winding windows, and protrudes from both ends of one side line of at least one of the winding windows. The second core contacts with three side lines other than the one side line of each of the winding windows. A surface resistance of the first core between two points that are 20 mm away from each other is not less than 5 ? after a high-temperature storage test. A drive frequency of the coil component is not less than 20 kHz.Type: ApplicationFiled: February 17, 2021Publication date: March 21, 2024Applicant: Mitsubishi Electric CorporationInventors: Mao KAWAMURA, Hayato TANABE, Naohisa UEHARA, Takashi SOBASHIMA, Keisuke AKAKI, Takuya ENDOU, Yuki ABE, Masahiro KONDO, Norimitsu HOSHI
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Publication number: 20230042999Abstract: A multi-axis robot includes: a robot main body including a head and a movement mechanism that three-dimensionally moves the head; and a work tool attached to the head. The work tool includes: a first link pivotally supported on the head; a second link pivotally supported on a distal end of the first link; a first change mechanism that changes an angle of the first link to a central axis of the head; and a second change mechanism that changes an angle of the second link to the first link.Type: ApplicationFiled: December 25, 2020Publication date: February 9, 2023Applicant: Kawasaki Jukogyo Kabushiki KaishaInventors: Masataka KOYAMA, Shinsuke HAMATANI, Naohiro OTSUKI, Daiki KUBO, Takuya KAWAMURA
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Patent number: 11523064Abstract: An image processing apparatus comprises a processing unit configured to provide an image containing a first object and a second object, with a lighting effect from a virtual light source, a setting unit configured to set a parameter of the virtual light source; and a designating unit configured to designate the first object and/or the second object, based on a user's operation, wherein, in a case in which the designating unit has designated at least one of the first object and the second object, the first object and the second object are provided with an effect of virtual light from a same direction, and in a case in which the designating means has not designated any object, the first object and the second object are provided with an effect of virtual light from different directions.Type: GrantFiled: April 13, 2021Date of Patent: December 6, 2022Assignee: Canon Kabushiki KaishaInventor: Takuya Kawamura
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Patent number: 11171591Abstract: A control apparatus sets a value of the field current command and a value of the armature related command in accordance with drive information and the setting information stored in the storage unit; the value of the field current command and the value of the armature related command correspond to the obtained drive information. The control apparatus controls a field current flowing through the field winding to the set value of the field current command, and controls a current flowing through the armature winding or a voltage applied to the armature winding to the set value of the armature related command.Type: GrantFiled: April 2, 2020Date of Patent: November 9, 2021Assignee: DENSO CORPORATIONInventors: Akeru Ishikawa, Takuya Kawamura, Hideaki Nakayama, Koji Irie
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Publication number: 20210329156Abstract: An image processing apparatus comprises a processing unit configured to provide an image containing a first object and a second object, with a lighting effect from a virtual light source, a setting unit configured to set a parameter of the virtual light source; and a designating unit configured to designate the first object and/or the second object, based on a user's operation, wherein, in a case in which the designating unit has designated at least one of the first object and the second object, the first object and the second object are provided with an effect of virtual light from a same direction, and in a case in which the designating means has not designated any object, the first object and the second object are provided with an effect of virtual light from different directions.Type: ApplicationFiled: April 13, 2021Publication date: October 21, 2021Inventor: Takuya Kawamura
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Publication number: 20200235688Abstract: A control apparatus sets a value of the field current command and a value of the armature related command in accordance with drive information and the setting information stored in the storage unit; the value of the field current command and the value of the armature related command correspond to the obtained drive information. The control apparatus controls a field current flowing through the field winding to the set value of the field current command, and controls a current flowing through the armature winding or a voltage applied to the armature winding to the set value of the armature related command.Type: ApplicationFiled: April 2, 2020Publication date: July 23, 2020Applicant: DENSO CORPORATIONInventors: Akeru ISHIKAWA, Takuya KAWAMURA, Hideaki NAKAYAMA, Koji IRIE
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Patent number: 10396886Abstract: According to an embodiment, a relay device includes a reception unit, a collection unit, a determination unit, a rewriting unit, and a transmission unit. The reception unit is configured to receive a wireless frame transmitted between a plurality of communication devices. The collection unit is configured to collect configuration information indicating a configuration of a wireless multi-hop network from the communication devices. The determination unit is configured to determine whether to relay the wireless frame on the basis of the configuration information. the rewriting unit is configured to rewrite a transmission destination address of the wireless frame to an address of the communication device of a relay destination specified on the basis of the configuration information and rewrite a transmission source address of the wireless frame to an address of the own device. The transmission unit is configured to transmit the wireless frame rewritten by the rewriting unit.Type: GrantFiled: July 31, 2017Date of Patent: August 27, 2019Assignee: Kabushiki Kaisha ToshibaInventors: Takaomi Murakami, Takuya Kawamura
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Patent number: 10378922Abstract: A rotation angle detection apparatus includes a magnet that is provided to a rotating shaft of a rotating body and rotates with the rotating shaft to generate magnetic flux and a magnetic sensor that is provided at a distance from the magnet and detects a magnetic flux interlinked with the magnetic sensor. The rotation angle detection apparatus has a magnet magnetic flux detection circuit that detects a magnet magnetic flux generated from the magnet, a disturbance magnetic flux detection circuit that detects a disturbance magnetic flux, which is a magnetic flux other than the magnet magnetic flux and is interlinked with the magnetic sensor, and a correction circuit that corrects a result of detection of the magnetic sensor based on a result of detection of the magnet magnetic flux detection circuit and a result of detection of the disturbance magnetic flux detection circuit.Type: GrantFiled: January 13, 2016Date of Patent: August 13, 2019Assignee: DENSO CORPORATIONInventors: Takuya Kawamura, Hirofumi Kinjou, Toru Wakimoto, Hideaki Nakayama, Masataka Yoshimura
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Patent number: 10006784Abstract: A correction circuit stores data for obtaining coefficients of a relational expression indicating a relationship between a disturbance magnetic flux and a rotational angle error. Then, the coefficients are obtained from the data for obtaining the coefficients, and a detection result of a magnetic sensor is corrected based on the coefficients obtained, a relational expression, and a detection result of a disturbance magnetic flux detection circuit. Since it is possible to obtain the rotational angle error with respect to the disturbance magnetic flux from the coefficient obtained and the relational expression, it is not necessary to store the data indicating the relationship between the disturbance magnetic flux and the rotational angle error for all of the disturbance magnetic flux value in disturbance magnetic flux regions that may be applied.Type: GrantFiled: March 4, 2016Date of Patent: June 26, 2018Assignee: DENSO CORPORATIONInventors: Takuya Kawamura, Hirofumi Kinjou, Toru Wakimoto, Hideaki Nakayama, Masataka Yoshimura
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Publication number: 20180145743Abstract: According to an embodiment, a relay device includes a reception unit, a collection unit, a determination unit, a rewriting unit, and a transmission unit. The reception unit is configured to receive a wireless frame transmitted between a plurality of communication devices. The collection unit is configured to collect configuration information indicating a configuration of a wireless multi-hop network from the communication devices. The determination unit is configured to determine whether to relay the wireless frame on the basis of the configuration information. the rewriting unit is configured to rewrite a transmission destination address of the wireless frame to an address of the communication device of a relay destination specified on the basis of the configuration information and rewrite a transmission source address of the wireless frame to an address of the own device. The transmission unit is configured to transmit the wireless frame rewritten by the rewriting unit.Type: ApplicationFiled: July 31, 2017Publication date: May 24, 2018Applicant: Kabushiki Kaisha ToshibaInventors: Takaomi MURAKAMI, Takuya KAWAMURA
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Publication number: 20170363444Abstract: A rotation angle detection apparatus includes a magnet that is provided to a rotating shaft of a rotating body and rotates with the rotating shaft to generate magnetic flux and a magnetic sensor that is provided at a distance from the magnet and detects a magnetic flux interlinked with the magnetic sensor. The rotation angle detection apparatus has a magnet magnetic flux detection circuit that detects a magnet magnetic flux generated from the magnet, a disturbance magnetic flux detection circuit that detects a disturbance magnetic flux, which is a magnetic flux other than the magnet magnetic flux and is interlinked with the magnetic sensor, and a correction circuit that corrects a result of detection of the magnetic sensor based on a result of detection of the magnet magnetic flux detection circuit and a result of detection of the disturbance magnetic flux detection circuit.Type: ApplicationFiled: January 13, 2016Publication date: December 21, 2017Applicant: DENSO CORPORATIONInventors: Takuya KAWAMURA, Hirofumi KINJOU, Toru WAKIMOTO, Hideaki NAKAYAMA, Masataka YOSHIMURA
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Publication number: 20160373253Abstract: A first determining unit determines a period of time during which there is possibility of wiretapping of data present in a data communication channel connected to another communication device. A second determining unit determines, with a length of the period of time as unit of time, size of a cryptographic key used for encrypting data to be transmitted to the other communication device via the data communication channel during each unit of time. A first obtaining unit obtains a first cryptographic key having the size, from a first storing unit storing therein cryptographic keys shared with the other communication device. A recognizing unit recognizes possibility of wiretapping with respect to the data communication channel. Until the possibility of the wiretapping is recognized, a encrypting unit repeatedly encrypts data to be transmitted to the other communication device during each unit of time using the first cryptographic key.Type: ApplicationFiled: February 16, 2016Publication date: December 22, 2016Applicant: Kabushiki Kaisha ToshibaInventors: Takuya KAWAMURA, Yoshimichi TANIZAWA, Yoshihiro OBA
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Publication number: 20160265942Abstract: A correction circuit stores data for obtaining coefficients of a relational expression indicating a relationship between a disturbance magnetic flux and a rotational angle error. Then, the coefficients are obtained from the data for obtaining the coefficients, and a detection result of a magnetic sensor is corrected based on the coefficients obtained, a relational expression, and a detection result of a disturbance magnetic flux detection circuit. Since it is possible to obtain the rotational angle error with respect to the disturbance magnetic flux from the coefficient obtained and the relational expression, it is not necessary to store the data indicating the relationship between the disturbance magnetic flux and the rotational angle error for all of the disturbance magnetic flux value in disturbance magnetic flux regions that may be applied.Type: ApplicationFiled: March 4, 2016Publication date: September 15, 2016Applicant: DENSO CORPORATIONInventors: Takuya KAWAMURA, Hirofumi KINJOU, Toru WAKIMOTO, Hideaki NAKAYAMA, Masataka YOSHIMURA
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Patent number: 9225653Abstract: According to one embodiment, a server includes a transmitter, a storage, a determination unit and a controller. The transmitter is configured to transmit data using TCP streams. The storage is configured to store a number of TCP streams which the transmitter used in transmitting the data and a maximum value of a bandwidth which the transmitter used in transmitting the data using the number of TCP streams, in association with each other. The determination unit is configured to determine a number of TCP streams, which the transmitter uses in transmitting new data, based on the stored number, the stored maximum value, and a target value of the bandwidth. The controller is configured to update the stored maximum value when a bandwidth used for transmitting the new data using the determined number is larger than the maximum value associated with the stored number which is identical to the determined number.Type: GrantFiled: June 27, 2012Date of Patent: December 29, 2015Assignee: Kabushiki Kaisha ToshibaInventors: Hiroshi Kawazoe, Takuya Kawamura
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Patent number: 9168765Abstract: A printing apparatus includes a carriage configured to perform a reciprocating movement while facing a sheet, the carriage being equipped with an inkjet head, and a drying unit configured to apply energy from above the carriage to the sheet so as to dry ink, wherein, when the carriage performs the reciprocating movement, the carriage is reversed at a reversing position where the application of the energy to an end of the sheet or an end of an image formed on the sheet is not blocked by the carriage.Type: GrantFiled: September 23, 2014Date of Patent: October 27, 2015Assignee: Canon Kabushiki KaishaInventor: Takuya Kawamura
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Publication number: 20150204964Abstract: A radio base station performs wireless communication with a wireless terminal. The radio base station includes a directivity pattern specifying unit, a communication unit, and a signal processor. The directivity pattern specifying unit specifies plural directivity patterns. The communication unit receives a search request frame from the wireless terminal, sends to the wireless terminal a search response frame which is a response to the search request frame, with at least one, specified by the directivity pattern specifying unit, of the directivity patterns, and receives a delivery acknowledgment frame for the search response frame from the wireless terminal with the directivity patterns specified by the directivity pattern specifying unit. The signal processor calculates, for each specified directivity pattern, a radio wave intensity of the delivery acknowledgment frame.Type: ApplicationFiled: January 16, 2015Publication date: July 23, 2015Inventors: Tatsuma HIRANO, Cam Ly NGUYEN, Hiroyuki KITAGAWA, Ren SAKATA, Takuya KAWAMURA, Mutsumu SERIZAWA
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Patent number: 9065881Abstract: According to one embodiment, an image relay apparatus includes a reception unit, a determination unit and a transmission unit. The reception unit receives compressed image data from a relay source apparatus. The determination unit determines whether or not the compressed image data is processable through a first path not involving decompression of the compressed image data, based on data on a relay destination apparatus. The transmission unit transfers, to the relay destination apparatus, either the compressed image data processed through the first path or recompressed image data obtained by processing the compressed image data through a second path involving decompression, drawing, and recompression of the compressed image data.Type: GrantFiled: June 29, 2012Date of Patent: June 23, 2015Assignee: Kabushiki Kaisha ToshibaInventors: Mika Minematsu, Masataka Goto, Takuya Kawamura
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Patent number: 9026584Abstract: According to one embodiment, a server device includes a receiver, an acquisition unit, a difference extracting unit, an estimation unit, a determination unit, a compression unit, and a transmitter. The receiver receives manipulation information from a client device. The acquisition unit acquires a display image on which the manipulation information is reflected. The difference extracting unit extracts a region where pixel information on an image transmitted to the client device is not matched with pixel information on the display image. The estimation unit estimates an elapsed time since the manipulation information is received until the display image is acquired. The determination unit determines image quality, for which a response time is a predetermined value or less, on the basis of the elapsed time. The compression unit generates a compression image in which the image in the region is compressed with the determined image quality. The transmitter transmits the compression image.Type: GrantFiled: March 6, 2012Date of Patent: May 5, 2015Assignee: Kabushiki Kaisha ToshibaInventors: Hiroshi Kawazoe, Takuya Kawamura
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Publication number: 20150085016Abstract: A printing apparatus includes a carriage configured to perform a reciprocating movement while facing a sheet, the carriage being equipped with an inkjet head, and a drying unit configured to apply energy from above the carriage to the sheet so as to dry ink, wherein, when the carriage performs the reciprocating movement, the carriage is reversed at a reversing position where the application of the energy to an end of the sheet or an end of an image formed on the sheet is not blocked by the carriage.Type: ApplicationFiled: September 23, 2014Publication date: March 26, 2015Inventor: Takuya Kawamura