baber/WOPTO huggingface dataset:
Patent JP-2020204579-A (JP)
Title: Wafer surface inspection method, surface inspection device, and method for manufacturing electronic component
Inventor: OGURI HIROYUKI
IPC: G01N21/956
Filed: 2019-06-18
Abstract: To provide a wafer surface inspection method, a surface inspection device, and a method for manufacturing an electronic component that can quickly determine whether a foreign matter is metal or non-metal.SOLUTION: A wafer surface inspection method includes the steps of: irradiating a surface of a wafer with a laser beam with three or more different wavelengths; detecting reflection light reflected from the surface of the wafer when the laser beam is radiated; and determining whether or not there is a foreign matter on the surface of the wafer based on the reflectance of the surface of the wafer with respect to the laser beam with the different wavelengths. The step of determining whether or not there is the foreign matter includes a step of determining whether the foreign matter is metal or non-metal.SELECTED DRAWING: Figure 1
Patent JP-2019177870-A (JP)
Title: Flying body and method for controlling flying body
Inventor: SUZUKI YOICHI
IPC: B64C25/08
Filed: 2019-06-24
Abstract: To provide a landing leg for a flying body which is suitable for takeoff under a strong wind or off-road environment.SOLUTION: A flying body includes a landing leg capable of being connected to the flying body. The landing leg is fitted so as to be capable of displacing separately from a body part of the flying body.SELECTED DRAWING: Figure 99
Patent JP-2021002981-A (JP)
Title: Power conversion device
Inventor: KOBAYASHI NAOTO
IPC: H02M3/155
Filed: 2019-06-24
Abstract: To provide a power conversion device capable of suppressing the flow of overcurrent in the power conversion device including a full-bridge circuit.SOLUTION: A control unit 30 included in a power conversion device 100 determines, based on a detected voltage of an AC power supply 200 detected by a voltage sensor 23, whether an actual voltage value of the AC power supply 200 has a positive polarity or a negative polarity, and alternately switching pairs of a pair of a first switch and a fourth switch and a pair of a second switch and a third switch to be operated on whenever the polarity of the actual voltage value of the AC power supply 200 is determined to be switched. A second reactor 20 is provided in the fifth wiring LP5 that connects the first AC side terminal TA1 to a full-bridge circuit 12.SELECTED DRAWING: Figure 1
Patent JP-2021005976-A (JP)
Title: Power converter
Inventor: URUMA TOMOKI
IPC: H02M7/48
Filed: 2019-06-27
Abstract: To obtain a power converter capable of suppressing falling away of a core with a simple configuration.SOLUTION: A power converter 100 includes: an annular core 4 composing a filter circuit for noise reduction; a conductive plate (first platy member 10a) thermally connected to the core 4, having a first hole communicating with a hole of the core 4, a second hole formed near a wall surface forming the first hole, and a third hole formed near the wall surface so that the first hole exists on a line of sight with the second hole; a first binding member 11a for banding the core to the plate in a state of being inserted into the first hole and the second hole; and a second binding member 11b for banding the core 4 to the plate in a state of being inserted into the first hole and the third hole.SELECTED DRAWING: Figure 4B
Patent JP-2020038348-A (JP)
Title: Voice interactive device, its control method, and program
Inventor: IKEDA SATOSHI
IPC: G06F3/16
Filed: 2019-06-28
Abstract: To provide a voice interactive device capable of improving usability of an interactive agent function.SOLUTION: When a voice received by the microphone/speaker 205 includes a preset name, a MFP1 executes a job based on a plurality of types of set values registered in advance in association with the preset name.SELECTED DRAWING: Figure 5
Patent JP-2021009944-A (JP)
Title: Semiconductor device
Inventor: KONO MAKOTO
IPC: H01L29/06
Filed: 2019-07-02
Abstract: To provide a semiconductor device including a plurality of cell regions whose individual characteristics can be measured accurately.SOLUTION: A semiconductor substrate 2 includes a first cell region 3a in which a first semiconductor element 4a is formed. The semiconductor substrate 2 includes a second cell region 3b in which a second semiconductor element 4b is formed. The first semiconductor element 4a includes a first electrode 18a and a first p region 11a. The second semiconductor element 4b includes a second electrode 18b and a second p region 11b. The first electrode 18a and the second electrode 18b are separated from each other. The first p region 11a and the second p region 11b are separated from each other.SELECTED DRAWING: Figure 2
Patent JP-2020099174-A (JP)
Title: Rotary electric machine
Inventor: ECHIZEN MASAYUKI
IPC: H02K3/46
Filed: 2019-07-03
Abstract: To provide a small rotary electric machine.SOLUTION: A small rotary electric machine 1 includes a plurality of stator poles 21, 22, and 23 with coils 50 mounted. The rotary electric machine 1 includes a plurality of conductive members 60. The coil 50 includes a plurality of coil ends 52. The plurality of conductive members 60 and the plurality of coil ends 52 are electrically connected at a plurality of connecting portions 65, 66, 67, 68, and 69. The connecting portions 65, 66, 67, 68, and 69 are arranged in an interelectrode gap PG between the magnetic poles. The interelectrode gap PG is used to place the connecting portions 65, 66, 67, 68, and 69.SELECTED DRAWING: Figure 1
Patent JP-2021014742-A (JP)
Title: Road surface evaluation system and evaluation method
Inventor: OKABE TOSHIYUKI
IPC: E01C23/01
Filed: 2019-07-16
Abstract: To provide a road surface evaluation system and evaluation method that can evaluate a road surface accurately and easily.SOLUTION: A road surface evaluation system includes: a vehicle speed sensor (5); a device that acquires information on the current position of a vehicle (1); an outside temperature measuring device (9); and a control device (10). A road surface noise measuring device (3) measures the road surface noise on the tires of the vehicle (1). The system corrects a sound pressure level according to the outside temperature and vehicle speed; calculates a sound pressure level difference between the corrected sound pressure level of the road surface noise and the sound pressure level of a reference road surface; determines the characteristics of the calculated sound pressure level difference and the position of the road surface; creates image data that can evaluate the road surface from the characteristics of the calculated sound pressure level difference and the position of the road surface; and performs a road surface evaluation based on the created image data.SELECTED DRAWING: Figure 2
Patent JP-2021018841-A (JP)
Title: Fuel cell system
Inventor: YAMAGAMI YOSHIHIRO
IPC: H01M8/04
Filed: 2019-07-17
Abstract: To reduce an ion concentration of coolant into which ions have eluted during a stop of a fuel cell system.SOLUTION: A fuel cell system comprises: a first coolant circuit through which a coolant for cooling a fuel cell flows; an ion exchanger removing ions in the coolant; a second coolant circuit having an average ion concentration in coolant during stop lower than that of the first coolant circuit; a changeover valve performing changeover between a circulation state in which coolant from the second coolant circuit flows in the first coolant circuit and a circulation suppression state in which inflow of coolant from the second coolant circuit to the first coolant circuit is suppressed more than that in the circulation state; a pump for flowing coolant in the second coolant circuit into the first coolant circuit; and a control unit that when a stop period of the fuel cell system exceeds a reference period, drives the pump while the changeover valve has been changed over into the circulation state after a start instruction is input to the control unit.SELECTED DRAWING: Figure 3
Patent JP-2021019378-A (JP)
Title: Power generating system
Inventor: NISHIKATA MASAJI
IPC: F03D7/00
Filed: 2019-07-17
Abstract: To provide a power generating system which can achieve requirement of LVRT of a grid code by a simple configuration.SOLUTION: A wind power generating system 1 comprises: a wind farm 10 as a power generator; a synchronous phase modifier 40 which is connected with an output terminal of the power generator; and an energy storage circuit 70 which is provided more on an output side than a junction 33 between the power generator and a synchronous machine to consume system output when deterioration of output destination voltage Vout occurs.SELECTED DRAWING: Figure 1
Patent JP-2021017186-A (JP)
Title: Discharge device of air vehicle
Inventor: KOMINAMI ATSUSHI
IPC: B65D83/30
Filed: 2019-07-23
Abstract: To provide a discharge device of an air vehicle which can be loaded with aerosol containers to enable improvement of working efficiency.SOLUTION: A discharge device of an air vehicle discharges a content from aerosol containers loaded in an airframe through a nozzle. The multiple aerosol containers are loaded and respectively connected to tubes to be connected to one nozzle. Alternately, multiple nozzles connected to the tubes respectively connected to the aerosol containers are collectively disposed adjacent to a camera mounted on the airframe.SELECTED DRAWING: Figure 1
Patent JP-2021017643-A (JP)
Title: Method for joining film formed with aggregate of flat powder obtained by joining flat surfaces of flat powder mutually by friction heat, to base material or component by friction heat
Inventor: KOBAYASHI HIROSHI
IPC: C04B37/02
Filed: 2019-07-24
Abstract: To provide a method for joining a film to various base materials or components at low cost, the film being obtained by joining flat surfaces of flat powder mutually by friction heat.SOLUTION: An aggregate of flat powder is mixed in a solution obtained by dissolving paraffin in an organic compound, the mixed solution is filled in a container, and the container is vibrated in three directions to overlay flat surfaces of the flat powder mutually through the paraffin-dissolved solution. Thereafter, the organic compound is vaporized to solidify the paraffin. Moreover a surface of the aggregate of flat powder, the flat surfaces of which are overlaid mutually through the paraffin, is pressurized uniformly. Accordingly, the paraffin is vaporized, the flat surfaces are joined mutually by friction heat, and the aggregate of flat powder is joined to a base material or a component.SELECTED DRAWING: None
Patent JP-2019207251-A (JP)
Title: Current transducer
Inventor: PASCAL MOREL
IPC: G01R19/00
Filed: 2019-07-31
Abstract: To provide a current transducer having small components attached thereto that allows reduction in the size and/or the weight of the device.SOLUTION: A current transducer 2 used to measure current flowing in a primary conductor includes a housing 4, a magnetic core 6 surrounding a central opening 9 inside which the primary conductor extends, and a magnetic field sensor 8 having a connection terminal. The housing 4 includes a magnetic core receiving cavity 22 in which the magnetic core 6 is housed and a connection interface part in which the magnetic field sensor 8 is housed. The connection interface part extends from the magnetic core receiving cavity to the outside and includes a latch element. The latch element is complementary to a latch element of a separate connector interface element 11 that can be selectively attached to the connection interface part. The separate connector interface element includes a connector shroud 14. The connection terminal is attached to an external circuit board without a connector shroud.SELECTED DRAWING: Figure 2b
Patent JP-2021025231-A (JP)
Title: Excavation management device and method
Inventor: AONO YASUHISA
IPC: E02D23/10
Filed: 2019-07-31
Abstract: To provide an excavation management device and method which allow a user to intuitively visually recognize the excavation condition at a place which is difficult for a person to enter.SOLUTION: A device 100 for managing excavation by excavation means comprises: a three-dimensional measurement device 1 which measures the position and shape of a management object by acquiring the three-dimensional shape data of the management object for a plurality of measurement points; an imaging device 2 which captures a video of the management object; arithmetic means 4 which determines the excavation condition in the management object on the basis of the acquired three-dimensional shape data and creates an image for superimposing information indicating the excavation condition on the video of the management object on the basis of the determination result; and display means 16 which visually displays the created image and the video of the management object in a superimposed manner.SELECTED DRAWING: Figure 1
Patent JP-2020022754-A (JP)
Title: End effector with staple cartridge ejector
Inventor: JITENDRA BHARGAVA SRINIVAS
IPC: A61B17/072
Filed: 2019-08-06
Abstract: To provide a stapling device including a multiple-use loading unit.SOLUTION: An end effector 10 for a surgical stapling device includes an anvil 12, a multiple-use loading unit, and an ejector assembly 76. The multiple-use loading unit is pivotally secured to the anvil and includes a channel member defining a cavity and a staple cartridge received within the cavity. The staple cartridge has a distal portion having an angled lower surface. The ejector assembly includes an ejector button 80 that is supported on the channel member and engages the angled lower surface of the staple cartridge, so that movement of the ejector button from an advanced position to a retracted position in relation to the channel member lifts the distal portion of the staple cartridge from the cavity of the channel member.SELECTED DRAWING: Figure 1
Patent JP-2021028922-A (JP)
Title: Semiconductor device
Inventor: HAYASHIDA YUJI
IPC: H01L29/868
Filed: 2019-08-09
Abstract: To provide a technology that can suppress defects in installing a semiconductor device.SOLUTION: A semiconductor device includes a semiconductor substrate on which adjacent IGBT areas and diode areas are defined. A trench is arranged on an IGBT surface. A diode surface of a surface of the semiconductor substrate is depressed from the IGBT surface of the surface of the semiconductor substrate. A distance between a back surface of the semiconductor substrate on the opposite side of the surface and a lower edge of the trench corresponds to a distance between the back surface of the semiconductor substrate and the diode surface.SELECTED DRAWING: Figure 1
Patent JP-2021035247-A (JP)
Title: DCDC converter
Inventor: AIZAWA KIYOSHI
IPC: H02M3/155
Filed: 2019-08-28
Abstract: To provide a DCDC converter, including an appropriate charge pump circuit, which performs bidirectional step-up/-down operation.SOLUTION: At first conversion operation, a bootstrap circuit part 20 of a DCDC converter 1 applies to a drive unit 8 a higher voltage than a first junction P1 between switching elements T1, T2. Also, at second conversion operation, the bootstrap circuit part applies to the drive unit 8 a higher voltage than a second junction P2 between switching elements T3, T4. A charge pump circuit part 30 of the DCDC converter 1 steps up an input voltage to apply to the drive unit 8. The drive unit 8 sets the voltages of a first drive signal D1 and a second drive signal D2 according to the voltage applied by the bootstrap circuit part 20 and the voltage applied by the charge pump circuit part 30. The charge pump circuit part 30 determines an operation time in which the charge pump circuit part 30 applies an output voltage, based on a first voltage V1, a second voltage V2, a first power supply unit charging signal Cs1 and a second power supply unit charging signal Cs2.SELECTED DRAWING: Figure 1
Patent JP-2021032378-A (JP)
Title: Joint member
Inventor: HIRAMOTO TETSUAKI
IPC: F16B7/18
Filed: 2019-08-28
Abstract: To cause a horizontal beam to be fitted from the back when fitting another horizontal beam between vertical beams and to perform connection at all connection parts by using a single joint member.SOLUTION: In a joint member 2 connecting vertical beams 3 and a horizontal beam 4 so as to be able to assemble a rack 1, there are provided: an upper fitting part 21 for screwing a male screw part 31 provided for an end part of the vertical beam 3 at an upper part; a lower fitting part 24 capable of fitting a female screw part 32 provided for an end part of the other vertical beam 3 with a screw 7 at a lower part; a slit-shaped reception part 27 which inserts a flange part 41a provided for the end part of the horizontal beam 4 from above and fixes the same to a side part; and a coming-off prevention member 5 preventing coming off of the flange part 41a inserted in the reception part 27. The coming-off prevention member 5 can be fixed by screwing the vertical beam 3 with the joint member 2.SELECTED DRAWING: Figure 4
Patent JP-2021030419-A (JP)
Title: Gear grinding bilayer grindstone
Inventor: ISHIZAWA TAKAMASA
IPC: B24D3/14
Filed: 2019-08-29
Abstract: To provide a gear grinding bilayer grindstone that can yield a grinding processing speed or grinding efficiency without reducing an upper limit value of a peripheral speed, that is, a breaking peripheral speed used for grinding.SOLUTION: In a gear grinding bilayer grindstone 12 having a rough processing part 52 and a finishing processing part 54, only an end surface of a first core 52a and an end surface of a second core 54a are fixed to each other without a rough processing grindstone 52b and a finishing processing grindstone 54b being fixed. Therefore, rupture strength equivalent to when the rough processing part 52 and the finishing processing part 54 are used singly is yielded, and grinding processing can be performed with a rotation speed equivalent to a case of single use, enhancing grinding efficiency. Additionally, since phases of screw grooves respectively formed in an outer peripheral surface of the rough processing part 52 and an outer peripheral surface of the finishing processing part 54b can be accurately matched due to the mutual fixture of the end surface of a first core 52a and the end surface of the second core 54a, a time required for dressing can be shortened and the grinding efficiency is further enhanced.SELECTED DRAWING: Figure 6
Patent JP-2021029997-A (JP)
Title: Game machine
Inventor: ICHIHARA TAKAAKI
IPC: A63F7/02
Filed: 2019-08-29
Abstract: To provide a game machine capable of maintaining interest in a game.SOLUTION: A pachinko machine 1 has a start pocket capable of receiving game balls hit into a game area 5a. When a game ball enters the start pocket, determination processing regarding winning is performed. Thereafter, variable display corresponding to a result of the determination processing is started and, if a winning pattern is displayed in the variable display, a winning game is executed. Accordingly, the pachinko machine 1 can perform a special performance as a performance associated with operation means.SELECTED DRAWING: Figure 60
Patent JP-2020138896-A (JP)
Title: Intelligent purification and recovery apparatus for sulfuric acid
Inventor: LI YANMEI
IPC: B01D33/15
Filed: 2019-09-04
Abstract: To provide an intelligent purification and recovery apparatus for sulfuric acid.SOLUTION: The intelligent purification and recovery apparatus for sulfuric acid is assembled with a base, a filtration box 2, a primary impurity removal box 4, a secondary impurity removal box 5, and a recovery treatment box, wherein the filtration box and the recovery treatment box are respectively arranged on both sides of an apex of the base, the filtration box and the recovery treatment box are communicated with each other via a first electromagnetic valve 21, the inside of the filtration box is rotatably connected with the rotation axis 22 in a vertical center line, a first friction plate 26 and a second friction plate 27 are arranged on an inner wall of the filtration box, a control apparatus is attached to the apex of the filtration box, a motor is also attached to the apex of the filtration box, the motor is drivably connected with the axis of the rotation, the first friction plate and the second friction plate are arranged symmetrically in relation to the vertical center line of the filtration box, and the rotation axis is provided with the primary impurity removal box and the secondary impurity removal box.SELECTED DRAWING: Figure 2
Patent JP-2021040084-A (JP)
Title: Thermoelectric cell and thermoelectric module
Inventor: NIKO KIYOSUKE
IPC: H01L35/14
Filed: 2019-09-05
Abstract: To provide a thermoelectric cell capable of thermoelectric power generation using safe and inexpensive metal thermoelectric materials.SOLUTION: A single unit of the thermoelectric cell comprises: a high-temperature end joint 4 formed of a three-layer laminate consisting of three layers of a tooth-comb-type-metal sheet 1 made of metal material that serves as a + leg of s thermocouple, a comb-tooth-type-intermediate-metal sheet 2 made of metal material that serves as a - leg of the thermoelectric cell, and a backing-metal sheet made of the same metal material as the combed-tooth-type-metal sheet; a connecting part, one end of which is attached to bases of the comb-tooth type-metal sheet and the comb-tooth-type intermediate-metal sheet, and extends in an elongated state to a side opposite to a side where the plurality of teeth are attached; and a low-temperature end formed by joint of a comb-tooth-type-metal sheet and a comb-tooth-type-intermediate-metal sheet at a tip of the connecting part. An electrical connection including the high-temperature end joint and the low-temperature end in the single unit is repeated serially, parallelly or serially, and parallelly.SELECTED DRAWING: Figure 1B
Patent JP-2021043346-A (JP)
Title: Image formation apparatus
Inventor: MATSUSHITA KAORU
IPC: G03G21/00
Filed: 2019-09-11
Abstract: To suppress unrecovered toner that passes through plate-like cleaning means contacting the outer peripheral surface of a rotating secondary transfer belt and cleaning the outer peripheral surface and exists in the stripe shape substantially along the rotation direction of the secondary transfer belt from transferring to a sheet in the stripe shape in comparison to a case where there is no scattering means which contacts a portion on the downstream side of the cleaning means and the upstream side of the secondary transfer position of the outer peripheral surface of the secondary transfer belt and scatters the toner that passes through the portion.SOLUTION: An image formation apparatus comprises: an intermediate transfer belt 31 which holds a primarily-transferred toner image and rotates so as to convey the toner image to a secondary transfer position TP2; a secondary transfer belt 61 which rotates so as to contact and pass through the secondary transfer position of the intermediate transfer belt 31; plate-like cleaning means 64 which contacts the outer peripheral surface of the secondary transfer belt 61 to clean the outer peripheral surface; and scattering means 65 which contacts a portion on the downstream side of the cleaning means 64 and the upstream side of the secondary transfer position TP2 of the outer peripheral surface of the secondary transfer belt 61 and scatters the toner that passes through the portion.SELECTED DRAWING: Figure 2