baber/WOPTO huggingface dataset:
Patent JP-2020066787-A (JP)
Title: Ladle refining method of molten steel
Inventor: SAKAMOTO MOTOHIRO
IPC: C21C7/00
Filed: 2018-10-26
Abstract: To more surely suppress occurrence of a nitrogen absorption reaction in ladle refining accompanied by electric heating.SOLUTION: There is provided a ladle refining method of a molten steel in which two or three electrodes are immersed in a slag layer and a plurality of plugs for gas blowing are arranged on a bottom part of a ladle, when a ladle inner diameter on the molten steel surface is represented by Ds and a diameter of a circumscribed circle of an electrode that is circumscribed with the two or three electrodes on the molten steel surface and whose a diameter is the minimum is represented by D, D/D is a value in a predetermined range, the center of the plurality of plugs for gas blowing is positioned outside the electrode circumcircle, when a center of the electrode circumcircle is represented by point O, a center of the first plug for gas blowing is represented by point A and a ladle center of the second plug for gas blowing is represented by point B, an angle θ formed between a straight line OA and a straight line OB is 90 degrees or more and 180 degrees or less, when a radius of the ladle bottom surface is represented by R, a distance between the center of the plurality of plugs for gas blowing and the inner wall surface of the ladle is 0.1 R or more, and a flow rate of the gas of the first plug for gas blowing and a flow rate of the gas of the second plug for gas blowing satisfy predetermined conditions.SELECTED DRAWING: Figure 3
Patent JP-2020075563-A (JP)
Title: Electric power steering device
Inventor: HOSHINO SHIGERU
IPC: B62D5/04
Filed: 2018-11-06
Abstract: To provide an electric power steering device, the design of which can be easily changed to a steer-by-wire type.SOLUTION: An electric power steering device includes: a column unit 20 which includes an input side upper shaft rotatable with a steering wheel 26, a steering actuator 32 having an output shaft rotatable in accordance with rotation of the input side upper shaft, a steering reaction force applying mechanism configured to apply reaction force to the input side upper shaft, and an output side upper shaft rotatable by rotating force of the output shaft without rotating force of the input side upper shaft; an intermediate shaft 50 having one end connected to the output side upper shaft and rotatable with the output side upper shaft; a pinion shaft 60 connected to the other end of the intermediate shaft and rotatable with the intermediate shaft; and a rack shaft 70 slidable in the vehicle width direction when the pinion shaft rotates and thereby changing a steering angle of the steering wheel.SELECTED DRAWING: Figure 1
Patent JP-2020078188-A (JP)
Title: Rotary electric machine stator
Inventor: SAWAMURA YUSUKE
IPC: H02K15/02
Filed: 2018-11-08
Abstract: To provide a fastening structure of a stator that reduces the generation of a torsion first-order mode and an annular second-order mode that cause noise generation.SOLUTION: A stator core 21 is formed by stacking a first laminated block 22 having an earpiece 12 with a bolt hole 14 sandwiched between a pair of second laminated blocks 23a and 23b without the earpiece 12 from above and below. In the case of the rotary electric machine, a fixing pedestal is provided at a position corresponding to the bolt hole 14. The stator is fixed to the case by a fixing bolt in a state where only the seating surface below a bolt fixing portion 19 is seated on the fixing pedestal and is in contact with the case.SELECTED DRAWING: Figure 1
Patent JP-2020079908-A (JP)
Title: Image forming device
Inventor: HATA YOSUKE
IPC: G03G15/08
Filed: 2018-11-14
Abstract: To provide an image forming device capable of determining the cause of abnormal rotation of a toner container.SOLUTION: A rotation sensor 203 outputs a detection result depending on the rotation of the toner container. The output detection circuit 607 outputs signal of L or H according to the detection result of the rotation sensor 203. A CPU 601 determines whether the motor drive circuit 603 is normal/abnormal on the basis of the output variation of the output detection circuit 607 when the motor drive circuit 603 is not controlled to replenish toner. The CPU 601 is configured so as to, when a predetermined change (L→H) in the output of the output detection circuit 607 occurs continuously more than a predetermined number of times (5 times) at a time interval within a predetermined range (100 to 1000 ms), to determine that a motor drive circuit 603 gets failed.SELECTED DRAWING: Figure 2
Patent JP-2020078284-A (JP)
Title: Laver supply device
Inventor: MIYAKE SUSUMU
IPC: A23L17/60
Filed: 2018-11-14
Abstract: To provide a laver supply device capable of supplying laminated laver to a stocker even when an operator does not supply laminated laver before laminated laver stored in the stocker runs out.SOLUTION: At an upstream side of a stocker 1 for storing laminated laver, a laminated laver supply expansion conveyor 2 of supplying laminated laver to the stocker due to that a support roller 11 at a tip, supporting a belt expands on the stocker, and a laminated laver storing/delivering conveyor 3 for delivering laminated laver to the laminated laver supply expansion conveyor 2 are arranged in series. In the stocker 1, an outer guide among guides of four corners for laminated laver, at the laminated laver supply expansion conveyor side and in the width direction of the laminated laver supply expansion conveyor is a guide movable forward and backward in the width direction of the conveyor. In the laminated laver supply expansion conveyor, the support roller at the tip at a stocker side among the plurality of support rollers supporting a circulating endless belt is an expandable support roller. The laminated laver storing/delivering conveyor has a length allowing to store the plurality of laminated laver.SELECTED DRAWING: Figure 1
Patent JP-2020087504-A (JP)
Title: Tape, cable, and, production method of cable
Inventor: WATANABE YUSUKE
IPC: H01B13/26
Filed: 2018-11-15
Abstract: To provide a tape capable of planning to reduce a production cost of a cable by reducing preparation man hours of the tape, while making it difficult to oversight a variation of an overlapping width of the tape in an overlapping part during production and occurrence of missing tape overlap, a cable provided with the tape, and a production method of the cable.SOLUTION: A cable 1 is provided with a metal tape 4 wound so as to have a spiral overlapping part 8 collectively on an outer side of an insulated wire core 2. On the metal tape 4, at least four identification parts 10 are formed on an outer surface 9. Each identification part 10 extends in a longitudinal direction of the metal tape 4 on one edge 11 side in a width direction of the metal tape 4. The identification part 10 is formed by arbitrarily selecting adjacent at least two identification parts 10 among the respective identification part 10 in accordance with a desired overlapping width of the overlapping part 8. When the adjacent at least two identification parts 10 are set to a variation allowable range, the overlapping part 8 is formed such that the other edge 12 in the width direction of the metal tape 4 is arranged within the variation allowable range.SELECTED DRAWING: Figure 1
Patent JP-2020085525-A (JP)
Title: Signal tracking device and signal tracking method
Inventor: MIKI TAKASHI
IPC: G01S3/803
Filed: 2018-11-19
Abstract: To obtain a signal tracking device with which it is possible to suppress the number of times a false alarm is generated.SOLUTION: The signal tracking device comprises: unnecessary peak elimination means for eliminating an unnecessary peak using a filter coefficient of filter length based on a half-life half-width beam in relative azimuth from the reference azimuth of a sensor array for each azimuth with respect to inputted signal strength distribution data; peak detection means for relatively comparing signal strength in adjacent azimuths and detecting a peak using the signal strength distribution data after elimination of unnecessary peaks; azimuth tracking means for, when a line detected up to the previous cycle and a peak detected by the peak detection means fit within a prediction range in azimuth direction, integrating the peak with the line, and setting the peak not integrated with any line as a new line; and detection determination means for determining a line as being a signal component when the value of level of peaks combined in time by lines which are smoothed in time direction is greater than or equal to a detection threshold.SELECTED DRAWING: Figure 1
Patent JP-2020084241-A (JP)
Title: Manufacturing method of sintered ore
Inventor: HIGUCHI KENICHI
IPC: C22B1/16
Filed: 2018-11-20
Abstract: To enhance reducibility (RI) of a sintered ore without loosing strength of the sintered ore.SOLUTION: There is provided a manufacturing method of a sintered ore including granulating a sintering raw material in which a composition of SiOand CaO is adjusted so that SiOof the sintered ore is 4.5 mass% to 5.0 mass%, CaO is 8.5 mass% to 9.0 mass%, and a carbonaceous material is blended so that FeO of the sintered ore is 3.0 mass% to 5.0 mass%, and burning the same, in which blended amount of caustic lime is 1.8 mass% or more by percentage to the sintering raw material excluding the carbonaceous material and returned ore.SELECTED DRAWING: Figure 1
Patent JP-2019071419-A (JP)
Title: Operating method of ferroelectric memory cell and related ferroelectric memory cell
Inventor: STEVEN C NICHOLES
IPC: G11C11/22
Filed: 2018-11-21
Abstract: To provide an operating method of a ferroelectric memory cell.SOLUTION: A method includes applying one of positive and negative bias voltages to a ferroelectric memory cell including a capacitor 200 having an upper electrode 208, a lower electrode 202, a ferroelectric material 206 between the upper electrode and the lower electrode, and an interface material 204 between one of the upper electrode and the lower electrode and the ferroelectric material. The method further includes applying the other voltage to the ferroelectric memory cell to switch the polarization of the ferroelectric memory cell, and an absolute value of the negative bias voltage is different from an absolute value of the positive bias voltage.SELECTED DRAWING: Figure 2
Patent JP-2020075072-A (JP)
Title: Umbrella having shortenable handle
Inventor: URANO TOSHIHISA
IPC: A45B9/02
Filed: 2018-11-08
Abstract: To provide an umbrella capable of adjusting a handle length so as to be light and easily handleable, when putting up the umbrella.SOLUTION: A handle of an umbrella is divided into a handle (1) continuing to the hand side of the umbrella and a handle (2) continuing to a body of the umbrella. The umbrella is formed by allowing the handle (1) to enter the handle (2).SELECTED DRAWING: Figure 2
Patent JP-2020083130-A (JP)
Title: Vehicle connector
Inventor: KITO YUU
IPC: B60K15/05
Filed: 2018-11-28
Abstract: To provide a vehicle connector in which an attachment hole in a vehicle can be downsized.SOLUTION: A charging inlet 10 includes: a cylindrical part 15 of which tip end side penetrates an attachment hole 14 in a vehicle 11 to project to the outside, and of which opening 16 in the tip end side is fitted with an external connector 17; an extension fixation part 19 extending from a proximal end side of the cylindrical part 15 to the outside, and fixed to the vehicle 11 while abutting in a tip end direction of the cylindrical part 15; a rotation axis 22 arranged outside in the tip end side of the cylindrical part 15; and a cover part 23 provided rotatably around the rotation axis 22 to open and close the opening 16 of the cylindrical part 15. The rotation axis 22 and the cover part 23 are provided in a fixation member 24 that can be fixed to the tip end side of the cylindrical part 15 in a state of penetrating the attachment hole 14.SELECTED DRAWING: Figure 1
Patent JP-2020084657-A (JP)
Title: Method for preventing manhole from rising
Inventor: SUZUKI HIROSHI
IPC: E02D29/12
Filed: 2018-11-29
Abstract: To provide a novel method for preventing a manhole from rising.SOLUTION: The present invention includes: installing a base 10 with a predetermined height on a bottom surface 3a of a manhole 1 and then positioning a flexible bag body 11 above the base 10; and filling the bag body 11 with water 12 and using the weight of the water 12 to resist the buoyancy that acts on the manhole 1. This prevents the manhole from rising. Another method includes: covering, using a lid, a channel 2 that is formed on the bottom surface 3a of the manhole 1, and then filling the inside of the channel 2 with water and using the weight of the water to resist the buoyancy that acts on the manhole. This prevents the manhole from rising.SELECTED DRAWING: Figure 1
Patent JP-2019105835-A (JP)
Title: Substrate processor
Inventor: TANIIKE KOUSHIRO
IPC: G02F1/13
Filed: 2018-11-30
Abstract: To provide a substrate processor capable of transporting a substrate for liquid crystal to a washing step in a state in which a thin film of a pre-processing material covers the whole body of the substrate for liquid crystal after alignment processing.SOLUTION: A substrate processor 10 for washing a substrate 20 for liquid crystal after alignment processing comprises: a transport device 15 for transporting the substrate for liquid crystal in a transport direction; a washing tank 13 for washing the substrate for liquid crystal by an aqueous washing material; and a covering processing tank 11 for making a thin film of a pre-processing material cover the substrate for liquid crystal and a substitution tank 12 for substituting the aqueous washing material for the thin film, on an upstream side of the washing tank 13. The covering processing tank 11 has a first supply unit 17 for supplying the pre-processing material to the alignment processing surface of the substrate 20 for liquid crystal carried by the transport device 15, the first supply unit 17 supplies the pre-processing material in a curtain state spreading in a direction orthogonal to the transport direction along the alignment processing surface, in a state of being inclined in a downstream side of the transport direction, and a second supply unit 18 for supplying the pre-processing material to at least a part of the alignment processing surface on a downstream side of the first supply unit 17 on the covering processing tank 11.SELECTED DRAWING: Figure 1
Patent JP-2020090778-A (JP)
Title: Segment connection joint, male joint member and female joint member
Inventor: TSUJIMOTO KAZUNORI
IPC: F16B21/08
Filed: 2018-12-03
Abstract: To provide a segment connection joint that can withstand greater shearing stress.SOLUTION: A segment connection joint 4 comprises a male joint member 5 and a female joint member 6. The male joint member 5 includes an engagement member (sleeve 20) and a support portion 12. The engagement member is coupled to a tip portion 14 of the support portion 12 and is supported by the support portion 12. The female joint member 6 includes a housing 32 and an engaged member (core member 42). The engaged member is engaged with the engagement member. The tip portion 14 of the support portion 12 projects from a connecting surface 3a of a segment 2 on which the support portion 12 is provided. The tip portion 14 of the support portion 12 has a larger outer diameter than the engagement member.SELECTED DRAWING: Figure 2
Patent JP-2020090137-A (JP)
Title: Parallel hybrid vehicle
Inventor: MATSUDA YOSHIMOTO
IPC: F01P3/12
Filed: 2018-12-04
Abstract: To maintain a function of a water pump, improve on-vehicle space efficiency, and reduce the vehicle weight and component costs in a parallel hybrid vehicle.SOLUTION: A parallel hybrid vehicle includes: an engine which is a travel driving source; an electric motor which is a travel driving source; and a water pump which circulates a coolant in a coolant passage. The water pump is connected to the engine in a power transmittable manner and is connected to the electric motor in a power transmittable manner.SELECTED DRAWING: Figure 1
Patent JP-2020092198-A (JP)
Title: Wafer processing method
Inventor: HARADA SHIGENORI
IPC: H01L21/301
Filed: 2018-12-06
Abstract: To form a device chip without deteriorating quality.SOLUTION: A wafer processing method for dividing a wafer in which a plurality of devices are formed in each region on a surface partitioned by division schedule lines into individual device chips comprises a polyester-based sheet arranging step, an integrating step, a dividing step, and a picking-up step. The polyester-based sheet arranging step positions the wafer in an opening of a frame and arranges a polyester-based sheet in a rear surface of the wafer and an outer periphery of the frame, the opening housing the wafer. The integrating step heats the polyester-based sheet and integrates the wafer and the frame by thermal compression bond via the polyester-based sheet. The dividing step forms a division groove by irradiating the wafer with a laser beam of a wavelength having absorbability to the wafer along the division schedule lines and divides the wafer into individual device chips. The picking-up step heats the polyester-based sheet, pushes up the device chips, and picks up the device chips from the polyester-based sheet.SELECTED DRAWING: Figure 4
Patent JP-2020092202-A (JP)
Title: Wafer processing method
Inventor: HARADA SHIGENORI
IPC: H01L21/301
Filed: 2018-12-06
Abstract: To form a device chip without deteriorating quality.SOLUTION: A wafer processing method for dividing a wafer in which a plurality of devices are formed on a surface into individual device chips comprises a polyester-based sheet arranging step, an integrating step, a frame supporting step, a dividing step, and a picking-up step. The polyester-based sheet arranging step arranges a polyester-based sheet on a rear surface of the wafer. The integrating step heats the polyester-based sheet by applying hot air to the sheet, and integrates the wafer and the polyester-based sheet. The frame supporting step supports the polyester-based sheet by a frame composed of an inner frame including an opening having a size enough to house the wafer and an outer frame including an opening with a diameter corresponding to an outer diameter of the inner frame by holding an outer periphery of the polyester-based sheet between an outer peripheral wall of the inner frame and an inner peripheral wall of the outer frame using the frame. The dividing step divides the wafer into individual device chips. The picking-up step heats the polyester-based sheet, pushes up the device chips, and picks up the device chips.SELECTED DRAWING: Figure 4
Patent JP-2020091786-A (JP)
Title: Speech recognition input device
Inventor: MOTOKI KOHEI
IPC: A61B6/03
Filed: 2018-12-07
Abstract: To provide a speech recognition input device capable of reducing the number of utterances required for operation while improving responsiveness to voice input instructions.SOLUTION: A speech recognition input device includes: a data acquisition part that acquires a piece of predetermined data and temporarily stores the data attached with acquisition time of the data in a storage unit; a voice input processing unit that receives a voice input, temporarily stores the voice input time when the voice input is received in the memory, and performs a series of recognition processing of the voice input; and a voice input determination unit configured so as to, when the voice input matches a specific operation instruction, output a command to perform the processing according to the operation instruction on the data at the acquisition time when the voice input is stored in addition to the acquisition time that is the same as the voice input time.SELECTED DRAWING: Figure 1
Patent JP-2020093308-A (JP)
Title: Concrete chipping device
Inventor: TAKAKURA KATSUHIKO
IPC: E04G23/08
Filed: 2018-12-10
Abstract: To provide a concrete chipping device capable of performing a chipping work in a place where a heavy machine cannot enter, and reducing a load on an operator.SOLUTION: A concrete chipping device 1 includes a breaker body 2, a breaker box 3 for holding the breaker body 2, and a movable trestle 6 for supporting the breaker box 3. The breaker box 3 holds the breaker body 2 movably back and forth in an axial direction of a chisel 21, and is movable through the movable trestle 6.SELECTED DRAWING: Figure 1
Patent JP-2019070655-A (JP)
Title: Switch gear and watch
Inventor: ICHIMURA TATSUMI
IPC: H01H9/04
Filed: 2018-12-11
Abstract: To provide a switch gear comprising waterproofness and mudproofness, and having good operation property and a watch comprising the switch gear.SOLUTION: A switch gear comprises: an operation member 11 comprising a shaft part 14 inserted into an open hole 10 which is provided on a first case 2 of a wrist watch case 1, and a head part 15 which is provided on an outer end part of the shaft part 14 and is arranged outside of the first case 2; an elastic body 12 which is arranged between an outer surface of the first case 2 and the head part 15 of the operation member 11 facing the outer surface of the first case, and energizes the head part 15 toward the outside of the first case 2 by resilience of the material itself; and a slide sheet 13 giving the slide ability to the elastic body 12 and the head part 15 in the rotation direction thereof. Therefore, the elastic body 12 is elastically deformed without being affected by a foreign matter such as mud, and the elastic body 12 is elastically brought into contact with an outer surface of the first case 2 for securing waterproofness and mudproofness. In addition, even when the elastic body 12 is elastically deformed, the head part 15 is smoothly rotated by the slide sheet 13.SELECTED DRAWING: Figure 2
Patent JP-2020106912-A (JP)
Title: Reservation procedure support system, and program
Inventor: GO HIDETO
IPC: G06Q10/02
Filed: 2018-12-26
Abstract: To provide a reservation procedure support system which can suppress damage occurrence of a service provider even when canceled, and suppress excessive increase of a load when collecting a cancellation charge.SOLUTION: A reservation procedure support system 1 comprises: a reservation application acquisition unit 11 which acquires reservation application information for reserving a service, sent from a service user to a service provider; a payment checking unit 12 which checks whether or not reservation money for reserving the service was paid, from the user who sent the reservation application information; and a reservation confirming unit 13 which confirms the reservation of the service for the user when checking that the reservation money was paid in a prescribed period.SELECTED DRAWING: Figure 1
Patent JP-2020106775-A (JP)
Title: Image forming apparatus
Inventor: WANG XIN
IPC: G09B7/02
Filed: 2018-12-28
Abstract: To make it possible to quickly create a kanji question according to the academic ability of an object without conducting a kanji writing test in advance.SOLUTION: An image forming apparatus 1 comprises: an image reading unit 5 that acquires an image including hand-written characters written by an object; a character recognition unit 101 that performs character recognition on the hand-written characters included in acquired image; a hiragana word specification unit 102 that specifies hiragana words written by hiragana characters in the characters on which the character recognition is performed; a kanji specification unit 103 that specifies kanjis corresponding to the hiragana words; a determination unit 105 that determines whether the specified kanjis are learned kanjis; a storage control unit 106 that, when the specified kanjis are determined to be the learned kanjis, stores the specified kanjis in a kanji-to-be-questioned storage unit 921 as kanjis to be questioned; a kanji question sentence creation unit 107 that creates kanji question sentence describing kanas for the kanjis to be questioned; and an image forming unit 12 that forms an image of the kanji question sentence on a recording sheet.SELECTED DRAWING: Figure 2