Patents by Inventor Masato Watanabe
Masato 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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Patent number: 11223194Abstract: A motor control apparatus includes: a main power conversion circuit that converts power that is supplied from a power supply into alternating current power for driving a motor, and outputs the alternating current power; a counter electromotive force protection circuit including a rectifier unit that rectifies alternating current power based on counter electromotive force of the motor and outputs direct current power, a short-circuit unit that short-circuits terminals on a direct current output side of the rectifier unit, and an alarm signal output unit that outputs an alarm signal at occurrence of an abnormality; a monitoring unit that monitors whether the alarm signal is output from the alarm signal output unit; and a protection operation unit that performs a protection operation for preventing damage to the main power conversion circuit when the monitoring unit determines that the alarm signal is output from the alarm signal output unit.Type: GrantFiled: November 20, 2020Date of Patent: January 11, 2022Assignee: Fanuc CorporationInventors: Hironao Tanouchi, Naoki Masuda, Masato Watanabe, Hirokazu Nagai
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Patent number: 11188871Abstract: A wireless tag system includes: a tag signal antenna configured to receive a tag signal transmitted from a wireless transmission tag; and a communication area shaping antenna configured to transmit a reception area shaping signal for narrowing an area in which the tag signal antenna can communicate with the wireless transmission tag, wherein the tag signal antenna and the communication area shaping antenna are arranged for each prescribed product unit in a group of products that are arranged.Type: GrantFiled: January 17, 2019Date of Patent: November 30, 2021Assignee: NEC CORPORATIONInventors: Jun Uchimura, Hiroshi Takahashi, Masato Watanabe
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Patent number: 11175218Abstract: A flow cell includes a cell into which a liquid to be measured is introduced and is arranged so that a measurement light to be used for measuring an optical characteristic of the liquid enters one side of the cell and exits from the other side of the cell, an inlet for leading the liquid to flow into the cell, and an outlet for leading the liquid in the cell to flow out from the cell. The inlet and the outlet are provided to form an interface between a liquid flowing into the cell through the inlet and a liquid with which the cell has been already filled at two places on an optical path of the measurement light passing through the cell.Type: GrantFiled: December 25, 2017Date of Patent: November 16, 2021Assignee: Shimadzu CorporationInventor: Masato Watanabe
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Publication number: 20210287162Abstract: According to the invention, there is provided a product registration apparatus including an information acquisition unit that determines a placement position of a product having a placing table surface side to which product information is attached and acquires the product information attached to the product, and an output unit that outputs information indicating at least one of the placement position of the product from which the product information can be acquired and the placement position of the product from which the product information cannot be acquired.Type: ApplicationFiled: May 28, 2021Publication date: September 16, 2021Applicant: NEC CORPORATIONInventors: Jun UCHIMURA, Hiroshi TAKAHASHI, Masato WATANABE
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Patent number: 11068672Abstract: A wireless tag system including a tag signal antenna configured to receive a tag signal transmitted from a wireless transmission tag; and a communication area shaping antenna configured to transmit a reception area shaping signal for narrowing an area in which the tag signal antenna can communicate with the wireless transmission tag.Type: GrantFiled: January 18, 2019Date of Patent: July 20, 2021Assignee: NEC CORPORATIONInventors: Jun Uchimura, Hiroshi Takahashi, Masato Watanabe
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Patent number: 11055660Abstract: According to the invention, there is provided a product registration apparatus including an information acquisition unit that determines a placement position of a product having a placing table surface side to which product information is attached and acquires the product information attached to the product, and an output unit that outputs information indicating at least one of the placement position of the product from which the product information can be acquired and the placement position of the product from which the product information cannot be acquired.Type: GrantFiled: April 25, 2019Date of Patent: July 6, 2021Assignee: NEC CORPORATIONInventors: Jun Uchimura, Hiroshi Takahashi, Masato Watanabe
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Publication number: 20210184457Abstract: A motor control apparatus includes: a main power conversion circuit that converts power that is supplied from a power supply into alternating current power for driving a motor, and outputs the alternating current power; a counter electromotive force protection circuit including a rectifier unit that rectifies alternating current power based on counter electromotive force of the motor and outputs direct current power, a short-circuit unit that short-circuits terminals on a direct current output side of the rectifier unit, and an alarm signal output unit that outputs an alarm signal at occurrence of an abnormality; a monitoring unit that monitors whether the alarm signal is output from the alarm signal output unit; and a protection operation unit that performs a protection operation for preventing damage to the main power conversion circuit when the monitoring unit determines that the alarm signal is output from the alarm signal output unit.Type: ApplicationFiled: November 20, 2020Publication date: June 17, 2021Applicant: Fanuc CorporationInventors: Hironao Tanouchi, Naoki Masuda, Masato Watanabe, Hirokazu Nagai
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Publication number: 20210184620Abstract: A motor control apparatus includes: a converter configured to convert alternating current power of an AC source into direct current power; an inverter configured to convert the direct current power in a DC link into alternating current power for motor driving by the switching device being subjected to ON/OFF control, a DC link voltage detection unit configured to detect a DC link voltage, a DC link voltage determination unit configured to determine whether the DC link voltage exceeds a voltage threshold value, an alarm signal output unit configured to output an alarm signal in an abnormal condition; and a switching control unit configured to perform ON/OFF control on the switching device, and, when the alarm signal is output and the DC link voltage exceeds the voltage threshold value, the switching control unit performs control in such a way as to turn on all the switching device of a lower arm.Type: ApplicationFiled: December 3, 2020Publication date: June 17, 2021Applicant: Fanuc CorporationInventors: Hironao Tanouchi, Naoki Masuda, Masato Watanabe, Hirokazu Nagai
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Patent number: 11002604Abstract: The purpose is to reduce the influence on the measurement due to high order diffracted light without arranging a filter for removing high order diffracted light between a diffraction grating and a PDA. The correction method includes a correction coefficient determination step of determining a correction coefficient related to a ratio of a portion of a detection signal value to the detection signal value, the portion of the detection signal value being derived from a second order diffracted light of light in the first wavelength range contained in the detection signal value of a long wavelength side photodiode for detecting light in the second wavelength range in the photodiode array, and a correction unit configured to obtain a corrected detection signal value derived from light in the second wavelength range from a different detection signal value of the long wavelength side photodiode by using the correction coefficient determined by the correction coefficient determination step.Type: GrantFiled: February 4, 2019Date of Patent: May 11, 2021Assignee: Shimadzu CorporationInventor: Masato Watanabe
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Publication number: 20210124882Abstract: A delivery monitoring device includes: a reading unit that reads a tag signal transmitted by a tag signal transmission device, the tag signal transmission device being attached to a package located in a vicinity of the delivery monitoring device; an acquisition unit that acquires position information indicating a position of the delivery monitoring device; and a transmission unit that transmits management information including the tag signal and the position information, to a delivery management server.Type: ApplicationFiled: March 15, 2019Publication date: April 29, 2021Applicant: NEC CorporationInventors: Jun UCHIMURA, Hiroshi TAKAHASHI, Masato WATANABE
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Publication number: 20210080627Abstract: Provided is a sensor device including: a sensor unit that emits light and receives light reflected by an object; and a reflection mirror that is a columnar reflection mirror having a reflection surface on a side face and is configured to be rotated on an axis of the reflection mirror as a rotation axis, in which at least a part of the reflection surface forms a logarithmic spiral having the center at the rotation axis in a cross section perpendicular to the rotation axis, and when light emitted from the sensor unit and reflected by the reflection surface moves in parallel in response to rotation of the reflection mirror, the light reflected by the reflection surface is swept.Type: ApplicationFiled: January 23, 2019Publication date: March 18, 2021Applicant: NEC CorporationInventors: Jun UCHIMURA, Hiroshi TAKAHASHI, Masato WATANABE
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Publication number: 20210063572Abstract: A spatial recognition device provided with an analysis unit configure to acquire, from an optical device, which is mounted on a moving body and which receives reflected light obtained by radiating light onto a reflective plate provided on a stationary structure positioned within a detection area, reflected light information obtained based on the reflected light in accordance with a radiation direction of the light, and determine a positional relationship between the moving body and the stationary structure on which the reflective plate is provided, based on a distribution of the reflected light information at coordinates within the detection area.Type: ApplicationFiled: August 16, 2018Publication date: March 4, 2021Applicant: NEC CORPORATIONInventors: Jun UCHIMURA, Hiroshi TAKAHASHI, Masato WATANABE
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Publication number: 20210063574Abstract: A spatial recognition device provided with an analysis unit configured to acquire, from an optical device which receives reflected light obtained by radiating light onto a reflective plate provided on a moving body positioned within a detection area, reflected light information obtained based on the reflected light in accordance with a radiation direction of the light, and analyze a state of the moving body on which the reflective plate is provided, based on a distribution of the reflected light information at coordinates within the detection area.Type: ApplicationFiled: August 15, 2018Publication date: March 4, 2021Applicant: NEC CORPORATIONInventors: Jun UCHIMURA, Hiroshi TAKAHASHI, Masato WATANABE
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Patent number: 10935425Abstract: A spectroscopic detector includes a lamp house, a sample cell, an optical sensor, a heater, a cooling fan, a temperature sensor, and a control device. The heater heats the lamp house while being directly or indirectly in contact with the lamp house containing a light source. The cooling fan is for cooling the lamp house. The temperature sensor is for detecting a temperature of the lamp house. The control device is configured to control operations of the light source, the heater, and the cooling fan. The control device includes a temperature control part configured to maintain a temperature of the lamp house while the light source is lit at a set temperature by controlling at least output of the heater based on a detection signal of the temperature sensor.Type: GrantFiled: July 18, 2017Date of Patent: March 2, 2021Assignee: Shimadzu CorporationInventors: Masato Watanabe, Takuya Yonekura, Hiroyuki Togo, Shinji Tsuji, Yugo Ishihara, Atsushi Sakamoto
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Publication number: 20210042688Abstract: A wireless tag system includes: a tag signal antenna configured to receive a tag signal transmitted from a wireless transmission tag; and a communication area shaping antenna configured to transmit a reception area shaping signal for narrowing an area in which the tag signal antenna can communicate with the wireless transmission tag, wherein the tag signal antenna and the communication area shaping antenna are arranged for each prescribed product unit in a group of products that are arranged.Type: ApplicationFiled: January 17, 2019Publication date: February 11, 2021Applicant: NEC CorporationInventors: Jun UCHIMURA, Hiroshi TAKAHASHI, Masato WATANABE
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Publication number: 20210010761Abstract: The heat sink includes a radiation fin extending in a vertical direction from a heat-receiving unit, in which the radiation fin includes a notched portion in which a tip end side corner of the radiation fin is retracted inward in a main surface direction of the radiation fin with respect to a virtual rectangle or a virtual square formed of a side of the radiation fin on the heat-receiving unit side viewed from the main surface side, a first side extending from both ends of the side on the heat-receiving unit side in a direction orthogonal to the side on the heat-receiving unit side and a second side formed by extending a linear portion on the side of the radiation fin on a tip end side facing the side on the heat-receiving unit side to the first side.Type: ApplicationFiled: September 28, 2020Publication date: January 14, 2021Applicant: FURUKAWA ELECTRIC CO., LTD.Inventors: Masato WATANABE, Masahiro MEGURO, Hiroshi SAKAI, Yasuhiro UCHIMURA, Shuta HIKICHI
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Publication number: 20200391638Abstract: Disclosed is a seat including: a seat back; a seat cushion; and a reclining device that couples the seat back to the seat cushion in a swingable manner in one and another directions, wherein the reclining device includes: a locking mechanism that locks and unlocks swinging movement of the seat back; a biasing member that biases the seat back in one direction so as to swing the seat back in the one direction when the locking mechanism is unlocked; and a switching mechanism that switches a biasing direction of the biasing member for the seat back to another direction in a middle of the swinging movement of the seat back.Type: ApplicationFiled: June 11, 2020Publication date: December 17, 2020Applicant: TS TECH CO., LTD.Inventor: Masato WATANABE
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Patent number: 10866140Abstract: Provided is a spectrophotometer having a positional relationship between the spectroscope and a PDA that is set to have a distance between a reflection position of light reflected on a light receiving surface of a corresponding one of PDs constituting the PDA, being configured to receive at least light having a wavelength of from 200 nm to 300 nm, and an incident position at which light reflected at the reflection position is incident on a light receiving surface of the PDA after being re-reflected on the protective plate, the distance being equal to or less than a width dimension of any one of the PDs constituting the PDA.Type: GrantFiled: April 20, 2017Date of Patent: December 15, 2020Assignee: Shimadzu CorporationInventors: Masato Watanabe, Masahide Gunji
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Publication number: 20200356737Abstract: A wireless tag system including a tag signal antenna configured to receive a tag signal transmitted from a wireless transmission tag; and a communication area shaping antenna configured to transmit a reception area shaping signal for narrowing an area in which the tag signal antenna can communicate with the wireless transmission tag.Type: ApplicationFiled: January 18, 2019Publication date: November 12, 2020Applicant: NEC CORPORATIONInventors: Jun UCHIMURA, Hiroshi TAKAHASHI, Masato WATANABE
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Patent number: 10809011Abstract: Provided is a heat sink where the formation of a boundary layer on surfaces of heat radiating fins is suppressed so that portions other than on the windward side along the cooling air flow can also exhibit excellent heat radiation property. The heat sink includes: a base plate; a first heat radiating fin thermally connected to the base plate; and a second heat radiating fin disposed adjacently to a side end portion of the first heat radiating fin, and thermally connected to the base plate, wherein a surface of the first heat radiating fin is not parallel to a surface of the second heat radiating fin, and at least one of the second heat radiating fins is disposed at a position lower than at least one of the first heat radiating fins in a vertical direction with respect to a front surface of the base plate.Type: GrantFiled: October 22, 2019Date of Patent: October 20, 2020Assignee: Furukawa Electric Co., Ltd.Inventors: Kuang Yu Chu, Masaaki Yamamoto, Hung Wei Tseng, Masahiro Meguro, Masato Watanabe