baber/WOPTO huggingface dataset:
Patent JP-2023051597-A (JP)
Title: Inverter control device, hybrid system, mechano-electric integrated unit, electric vehicle system and inverter control method
Inventor: HARA TAKAFUMI
IPC: H02P27/08
Filed: 2021-09-30
Abstract: To suppress a capacitor voltage ribble sufficiently.SOLUTION: An inverter control device 1 includes: a carrier generation section 17 for generating a carrier signal Tr; a carrier frequency adjustment section 16 for adjusting a carrier frequency fc indicating the frequency of the carrier signal Tr; and a PWM control section 18 for pulse-width modulating three-phase voltage commands Vu*, Vv* and Vw* using the carrier signal Tr and generating a PWM pulse signal for controlling operation of an inverter. The carrier frequency adjustment section 16 determines a phase shift amount for reducing a voltage amplitude of specified order component of respective order components of capacitor voltage ripple superimposed on a DC voltage Hvdc and adjusts the carrier frequency fc to change a phase difference between the three-phase voltage commands Vu*, Vv* and Vw* and the carrier signal Tr according to the determined phase shift amount.SELECTED DRAWING: Figure 2
Patent JP-2023057461-A (JP)
Title: Triazine compound having dipyridyl phenyl group
Inventor: AIHARA SHUSUKE
IPC: H01L33/26
Filed: 2021-10-11
Abstract: To provide a triazine compound that contributes to forming an organic electroluminescent device having excellent drive voltage, luminous efficiency, and service life, and to provide an organic electroluminescent device having excellent drive voltage, luminous efficiency, and service life.SOLUTION: The present invention provides a triazine compound represented by the formula (1).SELECTED DRAWING: None
Patent JP-2022002349-A (JP)
Title: Semiconductor device
Inventor: YAMAZAKI SHUNPEI
IPC: H01L29/786
Filed: 2021-10-18
Abstract: To provide a transistor which does not actually cause a short channel effect and can exhibit switching characteristics though a channel length is short; or provide a highly integrated semiconductor device which applies the transistor.SOLUTION: In a transistor using an oxide semiconductor film which does not actually cause a short channel effect occurring in a transistor using silicon, a channel length is set at not less than 5 nm and less than 60 nm; and a channel width is set at not less than 5 nm and less than 200 nm. At this time, the channel width is set at not less than 0.5 and not more than 10 times larger than the channel length.SELECTED DRAWING: Figure 1
Patent JP-2022075540-A (JP)
Title: Buffering data on high bandwidth networks
Inventor: NIKITA I TKACHOV
IPC: H04L47/30
Filed: 2021-10-19
Abstract: To provide methods, systems and computer-readable media for buffering data on high bandwidth networks.SOLUTION: A method in a system 200 including a streaming device 105 comprises: downloading a first portion of data from a content server 115 into a buffer 205 at a first download speed; outputting the first portion of data from the buffer; upon determining that data is downloaded at a second download speed greater than the first download speed: determining use of a cache 210 for one or more subsequent portions of the data; downloading a second portion of data into the cache; and, upon determining that the buffer is empty, outputting the second portion of data from the cache.SELECTED DRAWING: Figure 2
Patent JP-2022023164-A (JP)
Title: Metal powder atomization manufacturing processes
IPC: B22F1/14
Filed: 2021-10-22
Abstract: PROBLEM TO BE SOLVED: To provide a reactive metal powder atomization manufacturing process. 
     SOLUTION: For example, such a process includes the step of providing a heated metal source and, during execution of the atomization process, the heated metal source is contacted with at least one additive gas. Such a process provides a raw reactive metal powder having improved flowability. The at least one additive gas can be mixed together with an atomization gas to obtain an atomization mixture, and the heated metal source can be contacted with the atomization mixture during the atomization process. A reactive metal powder spheroidizing manufacturing process is also provided. 
     SELECTED DRAWING: Figure 1 
     COPYRIGHT: (C)2022,JPO&INPIT
Patent JP-2023063177-A (JP)
Title: Resin molding apparatus, and method for manufacturing resin molded article
Inventor: TAKEUCHI SHIN
IPC: B29C45/77
Filed: 2021-10-22
Abstract: To provide a resin molding apparatus capable of grasping resin pressure in detail.SOLUTION: A resin molding apparatus comprises: a lower mold formed with a pot in which a resin material is accommodated; an upper mold provided to face the lower mold, and having a cull part formed in a portion facing the pot; a plunger capable of transferring the resin material accommodated in the pot; and a first sensor provided at a position of the upper mold facing the plunger or a tip portion of the plunger to detect a value related to pressure.SELECTED DRAWING: Figure 3
Patent JP-2023025640-A (JP)
Title: Air blowing burner device
Inventor: KOYAMA HITOSHI
IPC: H02K7/14
Filed: 2021-10-28
Abstract: To provide an air blowing burner device capable of cooling a three-phase motor without providing cooling means such as an outer fan separately.SOLUTION: An air blowing burner device 100 includes: an air blower 10 that compresses and sends air; and a gas burner 80 that burns a mixture of compressed air sent from the air blower 10 and fuel to generate a flame. The air blower 10 includes: a three-phase motor M that pivotally supports a fan F1 by using a shaft A; a case 21 accommodating the three-phase motor M; and a case 11 accommodating the fan F1. The fan F1 is provided to separate from the three-phase motor M by a prescribed distance T. The case 21 includes: a first ventilation hole 28 to which air flows in; and an inflow hole 29 to which fuel flows in. The case 11 includes a second ventilation hole 12 from which fuel gas and compressed air flow out. The three-phase motor M is located between the first ventilation hole 28 and the fan F1.SELECTED DRAWING: Figure 1
Patent JP-2023051630-A (JP)
Title: Gravity power generator
IPC: F03B17/00
Filed: 2021-11-01
Abstract: PROBLEM TO BE SOLVED: To provide a gravity power generator which can reserve a mass body used in power generation in a power generator and can move a mass body to a height capable of yielding kinetic energy required for the power generation. 
     SOLUTION: A gravity power generator 10 comprises a rotating drum 17, and multiple power generation units 18, 19, 20, 21 disposed along a rotation direction of the drum 17. Each of the multiple power generation units 18, 19, 20, 21 comprises: a container 25 disposed in the drum 17; a first chamber 35 and a second chamber 36 that are disposed inside the container 25; a storage chamber 34 connecting the first chamber 35 and the second chamber 36; water W1 stored inside the container 25 and moving inside the container 25; a turbine 26 disposed in the storage chamber 34 and rotated by kinetic energy of the moving water W1; and a power generator to convert the kinetic energy of the rotating turbine 26 into electric energy. 
     SELECTED DRAWING: Figure 2 
     COPYRIGHT: (C)2023,JPO&INPIT
Patent JP-2023068704-A (JP)
Title: Bearing for wave reduction gear
Inventor: KITAHARA CHIHIRO
IPC: F16C19/06
Filed: 2021-11-04
Abstract: To provide a bearing for wave reduction gear capable of suppressing vibration or sound of a holder.SOLUTION: A bearing 100 for wave reduction gear is a ball bearing applied to a wave reduction gear 102 and comprises: an outer ring 118 disposed inside of a flexible spline 106; an inner ring 120 disposed outside of an elliptical cam 108; a ball 122 as a rolling body which rolls between the outer ring and the inner ring; and a holder 124 including a plurality of pockets 132, of which the inner surfaces are spherical, for storing balls therein. The ball bearing further includes: a first gap 134 between a ball and an opening 146 of the pocket at the side of the inner ring in a breadthwise direction of the cam; a second gap 136 and a third gap 138 between the holder and the inner and outer rings in the breadthwise direction of the cam; a fourth gap 140 between an opening 150 of the pocket at the side of the outer ring and the ball in a long axis direction of the cam; and a fifth gap 142 and a sixth gap 144 between the holder and the inner and outer rings in the long axis direction of the cam. Among the gaps, the first gap or the fourth gap is minimum.SELECTED DRAWING: Figure 3
Patent JP-2022010299-A (JP)
Title: Combine harvester
IPC: A01D61/00
Filed: 2021-11-15
Abstract: PROBLEM TO BE SOLVED: To provide a combine harvester that can improve efficiency in transporting a grain culm at the time of manual threshing work. 
     SOLUTION: A combine harvester includes a feed chain for transporting a grain culm to a threshing part from a harvesting part. The feed chain has a transportation starting end part that is provided with a guide member for guiding the grain culm on a side of the feed chain. 
     SELECTED DRAWING: Figure 2 
     COPYRIGHT: (C)2022,JPO&INPIT
Patent JP-2023074154-A (JP)
Title: autonomous mobile robot
Inventor: KITANO HITOSHI
IPC: G05D1/02
Filed: 2021-11-17
Abstract: To provide an autonomous mobile robot capable of detecting signposts from a distance to the vicinity and guiding and controlling the robot.SOLUTION: An autonomous mobile robot 1 detects a signpost SP arranged along a movement path 10 with an imaging unit 26 mounted on the robot, and moves while being guided by the signpost SP. The imaging unit 26 is provided with a narrow angle camera 26A having a first viewing angle θ1 and a wide angle camera 26B having a second viewing angle θ2 wider than the first viewing angle θ1. When the signpost SP is outside the viewing angle of either the narrow angle camera 26A or the wide angle camera 26B, the guidance is switched to the other camera.SELECTED DRAWING: Figure 1
Patent JP-2023074418-A (JP)
Title: Abnormality determination method
Inventor: TOYODA HIROAKI
IPC: H02P29/024
Filed: 2021-11-17
Abstract: To suppress erroneous determination when abnormality in an electric circuit is determined.SOLUTION: An abnormality determination method for determining abnormality in an electric circuit during regeneration by a rotary electric machine includes: a limiting step of limiting an amount of regeneration when there is deviation between a current value of a regeneration current detected by a current sensor during regeneration and a current command value of the regeneration current; and a determination step of determining that abnormality has occurred in the electric circuit when a voltage value of a smoothing capacitor exceeds a predetermined value after limiting the amount of regeneration by the limiting step.SELECTED DRAWING: Figure 5
Patent JP-2022090617-A (JP)
Title: Energy-saving fluid pump
Inventor: GARY RAYMOND CORNWELL
IPC: F04D11/00
Filed: 2021-11-23
Abstract: To provide a device that transports low-viscosity fluid such as water or fuel without generating cavitation, recirculation, locking of a motor or the like, to achieve energy saving.SOLUTION: An energy-saving fluid pump comprises a fluid diffuser, a fluid densifier, a convergent housing, and a strut assembly, and the fluid diffuser improves the efficiency of the device by expanding the inflow of fluid and maintaining rise in fluid pressure. The fluid densifier shears the flow of fluid flowing in from the fluid diffuser, to increase outflow pressure. The convergent housing surrounds the fluid diffuser and fluid densifier, to facilitate the outflow of pressurized fluid without reducing fluid pressure or causing cavitation. Further, the convergent housing facilitates torque transfer to the fluid diffuser for the operation of the device. The strut assembly allows rotation of the convergent housing, the fluid densifier, or both, while keeping the fluid densifier stationary.SELECTED DRAWING: Figure 3
Patent JP-2023078794-A (JP)
Title: Electric power conversion device
Inventor: KAWANO HIROKI
IPC: H02M3/155
Filed: 2021-11-26
Abstract: To provide an electric power conversion device that allows reduction in the number of components or cost while reducing noise and also permits a reduced size.SOLUTION: An electric power conversion device that converts an input DC power and outputs it, comprises: a switching unit that converts the input power by switching of a switching element; an input cable way that inputs the DC power to the switching unit; an output cable way including a plurality of output lines that output the converted power from the switching unit; and a bypass circuit that connects the input cable way with the output cable way. The bypass circuit includes: a first bypass capacitor with one end connected to a first output line included in the plurality of output lines; a second bypass capacitor with one end connected to a second output line included in the plurality of output lines; and a bypass cable way connecting the other end of the first bypass capacitor and the other end of the second bypass capacitor with the input cable way.SELECTED DRAWING: Figure 1
Patent JP-2022132071-A (JP)
Title: Jig and method to fix panel
Inventor: SOEDA TOMOMI
IPC: E04G21/16
Filed: 2021-11-29
Abstract: To provide a jig and a method to fix a panel safely and at a low cost.SOLUTION: A jig comprises a frame extending in a first direction, a panel fixer and at least one driver unit. The driver unit is removably coupled to the frame. The panel fixer comprises an arm, a panel holder, a first hanging ring and a second hanging ring. The arm extends in a second direction perpendicular to the first direction at a first side of the frame and is coupled at one end to the frame in a removable manner. The panel holder is coupled to the other end of the arm. The first hanging ring is arranged at the one end side of the arm and is directly or indirectly coupled to the arm on the arm. The second hanging ring is arranged at the other end side and is directly or indirectly coupled to the panel holder. The driver unit comprises a slide mechanism having a slide shaft reversibly sliding in the second direction at a first side while holding an electric driver.SELECTED DRAWING: Figure 2
Patent JP-2023079953-A (JP)
Title: Production amount progress management system for installation work
Inventor: YAMAMOTO IPPEI
IPC: G06Q10/06
Filed: 2021-11-29
Abstract: To achieve labor saving of input work of production amount information and to facilitate grasp of the progress status, by performing the input of the production amount information by a simple touch operation for a pin attached to an object of the input of the production amount information.SOLUTION: A production amount progress management system includes a mobile terminal 100 carried by an installation contractor and a server 200 managed and operated by a construction manager. A production amount progress information input screen of the mobile terminal 100 displays information including drawing information corresponding to an installation construction area and display information clearly indicating the correspondence between the installation position of a fixture and a fixture symbol indicating fixture information. When the installation contractor performs a touch operation on a pin indicating, in a form including a viewable color or shape, the progress status of installation work displayed at a display place corresponding to at least one of the installation position of the fixture or the fixture symbol, the pin is displayed on a display unit 140 by changing its form including color or shape, and the progress status is transmitted to the server 200 as production amount progress information.SELECTED DRAWING: Figure 3
Patent JP-2023080638-A (JP)
Title: Determination device, determination method, and determination program
Inventor: SASAKI HOKUTO
IPC: G06Q30/06
Filed: 2021-11-30
Abstract: To improve pricing accuracy of secondhand products.SOLUTION: A determination device according to the present application comprises an acquisition part and a determination part. The acquisition part acquires new product information of a target commodity and secondhand product information of a secondhand product that the target commodity was sold in the past. The determination part determines an estimated price for sale of each secondhand product condition for every condition based on the new product information and the secondhand product information acquired by the acquisition part.SELECTED DRAWING: Figure 4
Patent JP-2022100251-A (JP)
Title: Magnet protection by using non-magnetic element
Inventor: ALEXANDER WILDT FORREST
IPC: H02H7/00
Filed: 2021-12-02
Abstract: To provide a system comprising an auditory device which includes a magnet for holding devices together during charging, improves attraction between the auditory device during charging of the auditory device and a charger, and eliminates any danger to a user by protecting the device from external impact, and a system comprising the auditory device.SOLUTION: In an auditory device/charger system 2, a charging device 6 receives an auditory device 4 and charges the auditory device. The auditory device comprises an auditory device magnet 8 and a receiving charging element 10. The charging device comprises a charging device magnet 12 and a supplying charging element 14. The auditory device magnet and the charging device magnet hold the auditory device in the charging device when charging. The supplying charging element performs charging of the auditory device. The system comprises a non-magnetic element 16 and 16' provided between the auditory device magnet and the charging device magnet, when the auditory device is received in the charging device.SELECTED DRAWING: Figure 1
Patent JP-2023084275-A (JP)
Title: Motor driving control device
Inventor: OKADA ATSUSHI
IPC: H02P29/024
Filed: 2021-12-07
Abstract: To provide a motor driving control device in which an allowable error of position monitoring based on a driving current and an encoder value can be minimized, and the safety performance of which can be improved.SOLUTION: A representative configuration of a motor driving control device 100 according to the present invention includes: a position estimation unit 122 that calculates an estimated position of a motor on the basis of driving current information; and an abnormality detection unit 126 that outputs a stop signal when a difference between the estimated position and an encoder position becomes greater than a prescribed threshold. A servo control circuit 102 transmits a status signal that corresponds to the operational state of the motor, to the abnormality detection unit 126. The abnormality detection unit 126 cancels the comparison between the estimated position and the encoder position when the status signal is in a particular condition.SELECTED DRAWING: Figure 1
Patent JP-2022097406-A (JP)
Title: booth
Inventor: FUJIMURA SHIGENAGA
IPC: F24F1/60
Filed: 2021-12-07
Abstract: To enable a booth to be arranged in a place where the booth is to be arranged in a space-saving manner, without obstructing a space where a user can use the inside of the booth having an air conditioner.SOLUTION: A heat exchange type air conditioning means that harmonizes air is provided in a space having a door for people to enter and exit, and surrounded by a side wall consisting of an outer wall that is in contact with outside air and an inner wall that contains people. The air conditioning means comprises an air conditioning indoor unit that harmoniously blows the air in the space, and an air conditioning outdoor unit that condenses a refrigerant that harmonizes the air in the space. The air conditioning outdoor unit is arranged in part or in whole between the inner wall and the outer wall, and is arranged at a position where the position of the center of gravity of a booth is lowered.SELECTED DRAWING: Figure 3
Patent JP-2022033943-A (JP)
Title: Drug delivery systems
IPC: A61M5/172
Filed: 2021-12-09
Abstract: PROBLEM TO BE SOLVED: To provide a drug delivery system. 
     SOLUTION: A drug delivery system 100 includes: a catheter 102 having at least one fluid lumen; a pump 106 configured to inject fluid via the catheter 102; a sensor 108 configured to measure a physiological parameter of a patient 110; and a controller 104 for controlling the pump 106 so as to make injection of drug via the catheter 102 cooperate with the physiological parameter measured by the sensor 108. 
     SELECTED DRAWING: Figure 1 
     COPYRIGHT: (C)2022,JPO&INPIT
Patent JP-2022113642-A (JP)
Title: Front guard and work vehicle
Inventor: NADAOKA RYUICHI
IPC: B60R19/52
Filed: 2021-12-10
Abstract: To prevent a front guard from being damaged when an operator makes an erroneous operation in which the front guard comes into contact with a part of a work vehicle.SOLUTION: A work vehicle includes: a vehicle body; a front guard attached to a front portion of the vehicle body; and a front loader which is attached to the front portion of the vehicle body and may move up or down. The front guard includes: a lower frame attached to the vehicle body; and an upper frame that is attached to the lower frame so as to be swingable around a shaft oriented in a vehicle body width direction and whose posture can be changed between a standing posture and a forward leaning posture by swinging with respect to the lower frame. The upper frame has: a vertical part that extends upward. An upper portion of the vertical part is provided with an upper curved portion that is curved backward as it goes upward. The upper curved portion has a first upper region that is located on a movement trajectory of a part of the front loader when the front loader is lowered while the upper frame is located in the forward leaning posture, and a second upper region that is curved forward as it goes downward from the first upper region.SELECTED DRAWING: Figure 18
Patent JP-2023088027-A (JP)
Title: Power demand adjustment device
Inventor: NAKAMURA KOKI
IPC: H01M10/42
Filed: 2021-12-14
Abstract: To perform control of charging/discharging of a secondary battery while suppressing high rate deterioration.SOLUTION: A power demand adjustment device 50 is configured to perform an acquisition process of acquiring an evaluation value ΣD of high rate deterioration of a secondary battery 10 connected to a power system 90, which is caused by the bias of a salt concentration in an electrolyte, and a discharging participation prohibition process of prohibiting the secondary battery 10 from participating adjustment of demands for discharge from the power system 90 when the evaluation value ΣD of the secondary battery 10 is equal to or greater than a prescribed discharge threshold K1.SELECTED DRAWING: Figure 3
Patent JP-2023089999-A (JP)
Title: Windbreak screen system and screen construction method for windbreak screen system
Inventor: YOKOYAMA AI
IPC: E04H9/14
Filed: 2021-12-17
Abstract: To maintain high windbreak effect and durability performance even in the case of a super typhoon, and to reduce the maintenance burden on a contractor.SOLUTION: In a windbreak screen system including a windbreak screen and a mounting unit for attaching the screen to a frontage to be windproof, the mounting unit has a plurality of parts. The windbreak screen system has a structure in which desired parts selected from the plurality of parts are combined according to the size, structure, material, and shape of the frontage, and installed so as to apply tension so that a separation force acts in a vertical direction of the screen.SELECTED DRAWING: Figure 2