baber/WOPTO huggingface dataset:
Patent JP-2019189496-A (JP)
Title: Silicon carbide epitaxial wafer and silicon carbide semiconductor device
Inventor: MASUMOTO KEIKO
IPC: H01L29/12
Filed: 2018-04-26
Abstract: To provide a high quality silicon carbide epitaxial wafer and a silicon carbide semiconductor device that use a p-type silicon carbide single-crystal substrate having low resistivity.SOLUTION: There is provided a silicon carbide epitaxial wafer which comprises a p-type 4H-Sic single-crystal substrate which has a first principal surface having an off angle to a (0001) plane and is less than 0.4 Ωcm in resistivity, and a silicon carbide epitaxial layer provided on a first principal surface of the p-type 4H-Sic single-crystal substrate, an off direction of the off angle being a <01-10> direction. There is provided a silicon carbide epitaxial wafer which comprises a p-type 4H-Sic single-crystal substrate having a doping concentration of Al larger than 3×10cm, and a silicon carbide epitaxial layer provided on a first principal surface of the a p-type 4H-Sic single-crystal substrate, an off direction of an off angle being a <01-10> direction. There is provided a silicon carbide semiconductor device using a silicon carbide epitaxial wafer.SELECTED DRAWING: Figure 5
Patent JP-2018152575-A (JP)
Title: Light-emitting apparatus including phosphor
Inventor: NITTA MITSURU
IPC: H01S5/022
Filed: 2018-04-27
Abstract: PROBLEM TO BE SOLVED: To provide a high-power color-controllable light-emitting apparatus including a phosphor.SOLUTION: An LD light-emitting apparatus 60 includes an LD element 58 and a wavelength conversion member 61. The wavelength conversion member includes: a first phosphor layer 62 including Ce as a luminescent center and having an emission spectrum peak wavelength in a wavelength range of 600 nm or more and 700 nm or less; and a second phosphor layer 63 having an emission spectrum peak wavelength in a wavelength range of 500 nm or more and 600 nm or less. The light power density of a laser beam that is radiated to the second phosphor layer from the LD element is 0.5 W/mmor more and 150 W/mmor less. The first phosphor layer has an excitation spectrum peak in a wavelength range of 480 nm or more and 550 nm or less, and is excited by light emitted by the second phosphor layer.SELECTED DRAWING: Figure 26
Patent JP-2019194375-A (JP)
Title: Foldable helmet
Inventor: IKEGAMI YOSHITAKA
IPC: A42B3/32
Filed: 2018-05-01
Abstract: To provide a foldable helmet that is strong against shock from above and can be easily manufactured.SOLUTION: The foldable helmet is vertically divided into a plurality of parts and comprises: a bottom cap body 1 at a bottom-most division; the other divided part 2; a string 3 that allows the other divided part 2 to be freely rotatable, from the top of the bottom cap body 1 towards the inside, or from the inside towards the top, via the outside of the bottom cap body 1; and joining means 4 which allows the adjacent divided parts to be engaged and separated. In an assembled state, among the adjacent divided parts, a downward face 5 of an edge part on a head entry side of the top divided part abuts against an upward face 6 of the edge part on a top side of the bottom divided part.SELECTED DRAWING: Figure 3
Patent JP-2018198055-A (JP)
Title: Provision of road mirror content to driver
Inventor: TOMATSU NOBUYUKI
IPC: G01C21/26
Filed: 2018-05-07
Abstract: To make it easy for a driver to check a road mirror.SOLUTION: Steps include: a position acquisition step for acquiring a current position of a vehicle; a position identification step for identifying a position of a road mirror installed on a road on the basis of the current position of the vehicle; an image acquisition step for acquiring a first image including the identified road mirror by using an external sensor provided on the vehicle; an image processing step for generating second image data obtained by optically inverting the first image; and a display step for causing a display device to display the second image data.SELECTED DRAWING: Figure 1
Patent JP-2019199748-A (JP)
Title: Transportation method of construction material, transportation assisting device and transportation system of construction material
Inventor: AKIMOTO KYOHEI
IPC: H04N7/18
Filed: 2018-05-17
Abstract: To provide a transportation method of construction material capable of improving efficiency of transportation work using crane.SOLUTION: A transportation method of construction material comprises steps of: allocating one lot of construction material as one transportation lot of construction material lot to each of a plurality of addresses which a material yard possesses; identifying a construction material lot to be transported as the construction material lot to be transported with a crane in accordance with a construction procedure; acquiring a position information of load to be suspended which associates each of the plurality of the addresses with the construction material lots placed in each of the plurality of the addresses; identifying a specific address among the plurality of the addresses at which the construction material lot to be transported is placed based on the position information of the load to be suspended; and transporting the construction material lot placed to be transported in the specific address from the material yard to a transported destination of the construction material to be transported using the crane.SELECTED DRAWING: Figure 1
Patent JP-2019201505-A (JP)
Title: Power system monitoring system, power system monitoring method, and program
Inventor: IWAE TOMOHIDE
IPC: H02J13/00
Filed: 2018-05-17
Abstract: To provide a power system monitoring system, a power system monitoring method, and a program that can provide users with information for confirming accuracy of stability of an electric power system evaluated using a machine learning model.SOLUTION: A power system monitoring system according to an embodiment includes an estimation unit, a stability evaluation unit, and a generation unit. The estimation unit estimates a second system state on the basis of a first system state. The stability evaluation unit inputs information on the second system state estimated by the estimation unit and information on an accident assumed in the second system state into a learned evaluation model, thereby deriving stability of power system equipment predicted after the assumed accident. The generation unit generates a comparative image based on a comparison between learning data used for learning a learned model and the second system state.SELECTED DRAWING: Figure 1
Patent JP-2019204987-A (JP)
Title: Transducer device
Inventor: KOUCHI HIROYUKI
IPC: H04R17/00
Filed: 2018-05-21
Abstract: To provide a transducer device having high-pass filter characteristics without using additional electronic components.SOLUTION: A high pass filter is formed of a capacitor formed by a back chamber 5 of an MEMS element 11 and a resistor by a resistance hole 16 formed in a support substrate 1 of the MEMS element 11.SELECTED DRAWING: Figure 1
Patent JP-2019201725-A (JP)
Title: Pachinko game machine
Inventor: OISHI TOMOYA
IPC: A63F7/02
Filed: 2018-05-21
Abstract: To provide a Pachinko game machine capable of effectively utilizing a winning device.SOLUTION: A Pachinko game machine includes a second-class non-electric accessory 54B that is disposed on a game board 50 and has a stage part 412, and allows game balls to flow in by opening the stage part 412. The second-class non-electric accessory 54B includes a lock arm 415 for displacing the stage part 412 to an open state by transmitting power to the stage part 412. The lock arm 415 integrally has a second nib part 430 abutting on the stage part 412, and a first nib part 429 capable of maintaining a state of the stage part 412 by abutting on a contacting rib 445 of the stage part 412 in both cases when the stage part 412 is in an open state and in a closed state.SELECTED DRAWING: Figure 29
Patent JP-2019205605-A (JP)
Title: Pinball game machine
Inventor: IKEDA TERUYUKI
IPC: A63F7/02
Filed: 2018-05-29
Abstract: To provide a new game property using differences in game state.SOLUTION: A pinball game machine includes: variation pattern determining means that determines a variation pattern in which a variation time of a symbol is determined with reference to a predetermined variation pattern selection criterion; symbol display control means that variably displays a symbol according to the variation pattern determined by the variation pattern determination means; and probability variation means that shifts to the probability variation state after the end of a special game when conditions for shifting to the probability variation state with higher probability that a win/lose determination result is a big winning than that of a normal probability state are satisfied. For the variation pattern selection criterion, the average value of the symbol variation time in the probability variation state is determined to be longer than the average value of the symbol variation time in the normal probability state.SELECTED DRAWING: Figure 30
Patent JP-2019209338-A (JP)
Title: Heating furnace, and workpiece temperature acquiring method in the heating furnace
Inventor: KATSUTA MASABUMI
IPC: B23K1/00
Filed: 2018-05-31
Abstract: To provide a heating furnace and a workpiece temperature acquiring method in the heating furnace by which a temperature of a workpiece heated in a furnace can be acquired precisely.SOLUTION: A heating furnace includes a low reflection part 80 which is arranged on an outer surface of a heat exchanger W and of which reflectivity of an electromagnetic wave emitted by heat radiation is lower than predetermined reflectivity, and non-contact type thermometers 71-1-n. A temperature of the heat exchanger W is acquired by measuring a temperature of the low reflection part 80 by the thermometers 71-1-n. Thereby, the temperature of the heat exchanger W can be acquired in a state that effect of reflection of the electromagnetic wave emitted by the heat radiation from an electric heater 41 is small, and thus, the heat exchanger W can be heated securely to a target temperature by controlling output of the electric heater 41 or a rotation speed of a drive roller on the basis of the acquired temperature of the heat exchanger W, and bonding failure of the metal components of the heat exchanger W can be suppressed.SELECTED DRAWING: Figure 2
Patent JP-2019210621-A (JP)
Title: Door operation control system
Inventor: KAWAMURA DAISUKE
IPC: B60J5/04
Filed: 2018-05-31
Abstract: To provide a door operation control system capable of suppressing occurrence of malfunction of a door through motion operation.SOLUTION: An electronic key system 3 comprises a motion operation determination unit 37 for determining whether a specific motion operation is performed to an electronic key 2, on the basis of a detection signal Sa of a displacement detection unit 36 installed in the electronic key 2, for detecting a motion of the electronic key 2, and a motion operation unit 33 for operating a slide door 9 on the basis of the determination of the motion operation determination unit 37. A door operation control system 31 comprises a restriction unit 38 that restricts operation of the slide door 9 through motion operation when a manual door 12 is in an open state.SELECTED DRAWING: Figure 1
Patent JP-2019211259-A (JP)
Title: Semiconductor chip inspection device
Inventor: YOSHIDA TAKESHI
IPC: G01R31/26
Filed: 2018-06-01
Abstract: To provide technology with which it is possible to shorten an inspection time in a semiconductor chip inspection device.SOLUTION: The inspection device comprises: a transparent chip tray 12 composed of a transparent material so as to transmit a near-infrared laser 9 and used for placing a plurality of semiconductor chips 1 side by side; a tray holding base 13 for holding edges of the transparent chip tray 12; a laser oscillation unit 8 for emitting a near-infrared laser 9 toward the reverse side of the plurality of semiconductor chips 1 from the underside of the transparent chip tray 12 and thereby heating the plurality of semiconductor chips 1; a pair of probes 4a, 4b contactable with a plurality of power supply pads 5 provided on the surface of each semiconductor chip 1; a voltage supply unit 6 for adding a potential difference between the pair of probes 4a, 4b; and a current change detection unit 7 for detecting a change of current flowing via the pair of probes 4a, 4b.SELECTED DRAWING: Figure 1
Patent JP-2019208410-A (JP)
Title: Work machine
Inventor: NOSAKA KENKICHI
IPC: A01B59/043
Filed: 2018-06-01
Abstract: To provide a work machine capable of preventing the interference of a seat frame in the inclined movement.SOLUTION: A work machine includes: a first ground work machine mounted to the rear of a traveling body; a second ground work machine mounted to the rear of the first ground work machine in a lifting/lowering manner; a chair where a worker working to the second ground work machine sits down thereon; a seat frame where the chair is mounted, the seat frame vertically moving following irregularities of a field with respect to the first ground work machine and the second ground work machine; and a link member capable of lifting up the seat frame by permitting a vertical motion of the seat frame during the work and moving upward independently from the second ground work machine or in conjunction with the lift of the second ground work machine.SELECTED DRAWING: Figure 51
Patent JP-2019209287-A (JP)
Title: Sludge dehydrating agent, and sludge dewatering method
Inventor: SATO SHIGERU
IPC: C08F220/34
Filed: 2018-06-06
Abstract: To provide a sludge dehydrating agent that enables a strong coarse flock to be formed even with a relatively small additive amount of the sludge dehydrating agent and enables dewatered cake having a low water content and excellent gravity filterability to be obtained, and allows for efficient dewatering processing.SOLUTION: The sludge dehydrating agent is provided that includes a polymer having a constitutional unit derived from a cationic monomer, the sludge dehydrating agent has a reduction rate of the colloidal equivalent of the polymer of 10% or more, the colloidal equivalent being calculated from the following mathematical expression 1. (In the mathematical expression 1, the colloidal equivalent (I) is a colloidal equivalent at pH 4 measured by a colloid titration method in deionized water. The colloidal equivalent (II) is a colloidal equivalent at pH 4 measured by a colloid titration method in a saline solution having a concentration of 0.01 mol/L.)SELECTED DRAWING: None
Patent JP-2019216492-A (JP)
Title: Electric power conversion system
Inventor: FUJIWARA TETSUO
IPC: H02M3/28
Filed: 2018-06-11
Abstract: To provide an electric power conversion system which reduces capacitance of a floating capacitor and suppresses heat generation due to a charge/discharge current of substrate wiring.SOLUTION: An electric power conversion system comprises a switching circuit, an isolation transformer, a rectifier circuit, and a multilayer wiring board. Output side wiring of the switching circuit is connected with primary side wiring of a first transformer or primary side wiring of a second transformer. Input side wiring of the rectifier circuit is connected with secondary side wiring of the first transformer or secondary side wiring of the second transformer. At least one set of pair wiring of four sets of pair wirings i.e., input side wiring of the switching circuit and output side wiring of the switching circuit, the primary side wiring of the first transformer and the primary side wiring of the second transformer, the secondary side wiring of the first transformer and the secondary side wiring of the second transformer, and the input side wiring of the rectifier circuit and output side wiring of the rectifier circuit is formed on a wiring layer of the multilayer wiring board. The wiring layer on which the pair wiring is formed is laminated on a shield conductor wiring layer via an insulator layer.SELECTED DRAWING: Figure 1
Patent JP-2018158579-A (JP)
Title: Image recording device
Inventor: YOSHINUMA TOSHIHIRO
IPC: B41J2/01
Filed: 2018-06-12
Abstract: PROBLEM TO BE SOLVED: To provide an image recording device capable of quickly drying and fixing ink landed on a recording medium according to color.SOLUTION: An image recording device (ink jet recording device) including conveyance means (sheet conveyance part) for conveying a recording medium and configured to discharge ink droplets from a recording head to the recording medium conveyed by the conveyance means to record an image includes: heating means (heater) disposed at a downstream side of the recording head in a conveyance direction of the recording medium and configured to heat the recording medium by radiation heat (infrared ray); control means (control device) for controlling operation of the heating means. The control means controls the heating means to emit near-infrared rays during monochrome recording in which a monochromatic image is recorded on the recording medium, and to emit middle-infrared rays or far-infrared rays during color recording in which a color image is recorded on the recording medium.SELECTED DRAWING: Figure 7
Patent JP-2019215042-A (JP)
Title: Hydraulic driving device
Inventor: SUGANO NAOKI
IPC: E04G23/08
Filed: 2018-06-13
Abstract: To provide a hydraulic driving device that can reduce energy loss when supplying/discharging hydraulic oil to/from a crushing cylinder.SOLUTION: A hydraulic circuit 5 comprises a crusher 9 including a first main cylinder 16A, a hydraulic pump 25, a control valve 23, a remote control valve 50 for receiving opening operation and closing operation of the crusher 9, a pressure sensor 29, a first switching valve 28, and a second switching valve 35. When the remote control valve 50 receives the opening operation or low-load closing operation, the first switching valve 28 switches to a position 28A, and the second switching valve 35 switches to a position 35A. When the remote control valve 50 receives high-load closing operation, the first switching valve 28 switches to a position 28B, and the second switching valve 35 switches to the position 35A. When no operation is performed, the second switching valve 35 switches to a position 35B.SELECTED DRAWING: Figure 5
Patent JP-2019219716-A (JP)
Title: Server and system
Inventor: YAMATO KAZUE
IPC: G06F13/00
Filed: 2018-06-15
Abstract: To provide a server and a system which can change an access destination of a two-dimensional code issued temporarily, when directly accessing contents such as a moving picture and a Web page by a URL indicated by the two-dimensional code.SOLUTION: A server stores a combination of a code URL described in a form of a two-dimensional code, and a content URL indicating contents. When a portable terminal accesses the server, the server specifies the content URL corresponding to the code URL used by the portable terminal, and provides the portable terminal with the contents indicated by the specified content URL.SELECTED DRAWING: Figure 5
Patent JP-2019216943-A (JP)
Title: Upper core and skate shoe
Inventor: KOIKE SEKIYA
IPC: A43B5/16
Filed: 2018-06-19
Abstract: To achieve an upper core that replaces a conventional upper and is lighter in weight than the conventional upper while ensuring desired rigidity.SOLUTION: An upper core 11 constitutes a part of a skate shoe and the upper core is made of a fiber-reinforced resin composed of a fiber and a base material.SELECTED DRAWING: Figure 1
Patent JP-2019219306-A (JP)
Title: Snow accumulation prediction device and snow accumulation prediction method
Inventor: KAWACHI SEIJI
IPC: G01W1/10
Filed: 2018-06-21
Abstract: To provide a snow accumulation prediction device predicting a snow accumulation depth.SOLUTION: A snow accumulation prediction device comprises: an acquisition section 10a which acquires snow accumulation depth information indicating a snow accumulation depth at a present or past first time and first temperature information about temperatures during a period from the first time to a future second time; a first snowmelt height calculation section 10e which calculates a snowmelt height indicating a height of snow melt away from the first time to the second time on the basis of the first temperature information and a first coefficient indicating a degree of an influence of the temperature on melting of snow; and a second snowmelt height calculation section 10f which calculates a snow accumulation height at the second time on the basis of the snow accumulation depth information and snowmelt height information indicating the snowmelt height.SELECTED DRAWING: Figure 3
Patent JP-2020000504-A (JP)
Title: Game machine
Inventor: KUSAMA YUHEI
IPC: A63F7/02
Filed: 2018-06-28
Abstract: To accurately grasp the operation state of a movable member in a game machine having a plurality of movable members so as to operate it properly, and to inform the occurrence of a defect.SOLUTION: Time values which are different from all of the other values are applied to respective of inside start position check condition t1 and outside start position check condition t2 relatively to a swinging gutter member 13 with a specific winning area 11v and outside start position check condition t3 and inside start position check condition t4 relatively to a tilt plate 15 performing tilting movement on a main route. When a main control board 310 moves the gutter member 13 and the tilt plate 15 independently, in a case where an error occurs in any of the movable members, the same image is displayed on right and left LED boards 120, 130 without specifying a member and an image specifying the movable member is displayed on a lower LED board 130.SELECTED DRAWING: Figure 17
Patent JP-2020004348-A (JP)
Title: Advertisement system
Inventor: FURUSATO SHINICHI
IPC: A45D33/18
Filed: 2018-07-02
Abstract: To cause a cosmetic used by a cosmetic user to function as an advertising media while the user puts on makeup.SOLUTION: In an advertisement system in which a seller of a cosmetic 1A displays an advertisement for an advertiser on the cosmetic, the cosmetic 1A comprises: a storage unit 21 that records advertisement information including the details of the displayed advertisement and the period for displaying the advertisement; an information display 23 that displays the advertisement; and a control unit 22 that displays the details of the displayed advertisement recorded in the storage unit 21 on the information display 23.SELECTED DRAWING: Figure 1
Patent JP-2020008059-A (JP)
Title: Tensioner
Inventor: KUREMATSU YUJI
IPC: F16H7/08
Filed: 2018-07-06
Abstract: To provide a tensioner which inhibits striking sound at engine start with a simple structure while reducing manufacturing burdens and inhibits excessive chain tension, deterioration of friction, and generation of noise and vibration etc. during operation of an engine.SOLUTION: A tensioner 10 includes a ring control mechanism 70 which controls a position of an elastic ring 60. The ring control mechanism 70 includes: a front restriction part 71 which has a front restriction surface 71a and can restrict forward movement of the elastic ring 60; and a rear restriction member 72 which has a rear restriction surface 72e and can restrict rearward movement of the elastic ring 60. The front restriction part 71 is fixed to or integrally formed with a housing 30, and the rear restriction member 72 is disposed so as to be movable in a fore and aft direction relative to the housing 30 and a plunger 20.SELECTED DRAWING: Figure 4