baber/WOPTO huggingface dataset:
Patent JP-2020098917-A (JP)
Title: Multi-component host material and organic electroluminescent device comprising the same
Inventor: AHN HEE-CHOON
IPC: C09K11/06
Filed: 2020-01-29
Abstract: To provide an organic EL device having high efficiency and long lifespan.SOLUTION: The present invention relates to an organic electroluminescent device comprising at least one light-emitting layer between an anode and a cathode. The light-emitting layer includes a host and a phosphorescent dopant. The host consists of multi-component host compounds. At least a first host compound of the multi-component host compounds is a specific bicarbazole derivative containing an aryl group, and a second host compound is a specific carbazole derivative including a nitrogen-containing heteroaryl group. The organic electroluminescent device using the multi-component host compounds has a high efficiency and long lifespan, as compared with devices using one component host compound.SELECTED DRAWING: None
Patent JP-2021122342-A (JP)
Title: Home delivery box
Inventor: KOBAYASHI TOMIO
IPC: A47G29/12
Filed: 2020-01-31
Abstract: To provide a home delivery box that can enhance its crime prevention properties without locking a door provided on the upper side.SOLUTION: A home delivery box 12 includes: a box body 13 having a package chamber 14 that can store a package 101; an upper door 24 for opening/closing an upper opening 22 formed in the upper part; and a lower door 17 for taking out a package, for opening/closing a lower opening formed in the lower part. The upper door is of an inward opening type that rotates so as to open the upper opening toward the inside of the package chamber around a horizontal shaft provided on the lower end side of the upper opening. A rotation angle of the upper door is smaller than 180 degrees with a state of being directed upward in a vertical direction as a reference, and a gap 18 for dropping a package is formed between the tip edge of the upper door and the side wall surface of the box body in a state that the upper door has entirely rotated to the opening side.SELECTED DRAWING: Figure 7
Patent JP-2021124850-A (JP)
Title: Vacant house property management system
Inventor: TOSUJI KOZO
IPC: G06Q50/16
Filed: 2020-02-04
Abstract: To provide a vacant house property management system that can easily and surely manage vacant house properties scattered in a predetermined region while keeping costs down.SOLUTION: Information relating to a vacant house property group VG to which multiple vacant house properties V in a predetermined region belong and information relating to a person-in-charge group UG to which multiple persons in charge U in the predetermined region belong are registered in a vacant house property management information DB 23 that stores them while associating them with each other. When a server 20 receives information about an abnormality from a monitoring device 10 of one or more vacant house properties V, the server refers to the vacant house property management information DB 23 and identifies a plurality of persons in charge U belonging to the person-in-charge group UG associated with the vacant house property group VG to which the vacant house property V belongs and transmits information relating to the abnormality to an information terminal 30 of each person in charge U.SELECTED DRAWING: Figure 1
Patent JP-2021122452-A (JP)
Title: Game play system
Inventor: YOSHIDA TAKAHIRO
IPC: A63F13/52
Filed: 2020-02-04
Abstract: To provide a game system configured to easily understand playing situations of a plurality of players in a team match game.SOLUTION: A game play system 1 configured to accommodate to both match games of teams of 6 on 6 or 5 on 5, includes at least 12 player terminals GM, at least 12 display devices disposed in two upper and lower stages each having at least 6 terminals in a lateral direction, and a video setup device capable of setting up videos relating to the play of a match game, respectively, played on each of the at least 12 player terminals GM, as video sources to be displayed on each of the at least 12 display devices. The video setup device can separately set up, out of the videos corresponding for every player terminal GM, a video corresponding to player terminals GM of one team and a video corresponding to player terminals GM of the other team, to a video source to be displayed on the display devices disposed on the upper stage, and a video source to be displayed on display devices displayed on the lower stage.SELECTED DRAWING: Figure 12
Patent JP-2021124415-A (JP)
Title: Temperature sensor module
Inventor: NAGATA HIDEO
IPC: G01K7/25
Filed: 2020-02-06
Abstract: To obtain a temperature sensor module with which high-accuracy temperature measurements are realized.SOLUTION: Provided is a temperature sensor module equipped with a temperature sensor element the resistance value of which changes with temperature and a signal processing circuit for outputting an electric signal that has correlation with the resistance value of the temperature sensor element. The signal processing circuit comprises: a series connected resistor connected in series to the temperature sensor element, the resistance value of which changes in response to a command signal; a temperature detection circuit for detecting the temperature of the signal processing circuit; a first analog-digital conversion circuit for converting the output signal of the temperature detection circuit into a digital signal; a memory in which the data of the series connected resistor pertaining to a relationship between the resistance value and temperature of the series connected resistor; a digital signal processing circuit for computing, using the data of the series connected resistor, and outputting such a digital command signal, on the basis of the digital signal that represents the temperature of the signal processing circuit, that maintains the resistance value of the series connected resistor constant; and a digital-analog conversion circuit for outputting the digital command signal to the series connected resistor.SELECTED DRAWING: Figure 1
Patent JP-2021128281-A (JP)
Title: Lubricant supply device, process cartridge, and image forming apparatus
Inventor: NODERA KENTARO
IPC: G03G21/00
Filed: 2020-02-14
Abstract: To prevent a foreign substance, such as toner from being easily accumulated at the ends of a lubricant supply roller.SOLUTION: There is provided a lubricant supply roller 16a that supplies lubricant to a photoreceptor drum 11 (image carrier) and has a small-diameter shank 16a2 formed to project from both ends in an axial direction of a large-diameter roller part 16a1. There is provided a holding frame 16g that rotatably holds the shank 16a2 of the lubricant supply roller 16a. There is provided a paddle-like member 16f on the shank 16a2 between the holding frame 16g and a roller part 16a1.SELECTED DRAWING: Figure 4
Patent JP-2021127639-A (JP)
Title: Opening/closing device
Inventor: YASUDA YOSHIYUKI
IPC: E02D29/14
Filed: 2020-02-14
Abstract: To realize an opening/closing device that can easily open and close a middle lid when inspecting the inside of an underground buried box.SOLUTION: An opening/closing device 30 installed in an underground buried box 10, in which an inspection port 12 extends upward from a ceiling surface 11a of a box section 11 buried underground, is provided inside the box section 11 and has a middle lid 31 that blocks the inspection port 12 in the closed state, and a middle lid support 32 that supports the middle lid 31 so that the middle lid 31 can slide along the ceiling surface 11a.SELECTED DRAWING: Figure 1
Patent JP-2021129256-A (JP)
Title: Hands-free control device and program
Inventor: OTA AKIKO
IPC: H04W88/02
Filed: 2020-02-17
Abstract: To allow call voice to be adjusted optimally according to a call situation of a call opposite party.SOLUTION: A hands-free control device includes: a communication unit that acquires voice information of a far-end speaker; an analysis unit that sets unique features appearing during a hands-free call as an analysis target, and analyzes the analysis target using the voice information; a parameter setting unit that sets a parameter for voice adjustment that makes the voice information of the far-end speaker easy for a near-end speaker to listen to when the analysis result indicates that the far-end speaker is using a hands-free call; and a voice adjustment unit that adjusts the voice information of the far-end speaker based on the set parameter.SELECTED DRAWING: Figure 1
Patent JP-2020077892-A (JP)
Title: Semiconductor device and display device
Inventor: SAKAKURA MASAYUKI
IPC: H01L29/786
Filed: 2020-02-17
Abstract: To provide a semiconductor device having a transistor capable of further reducing current flowing between a source and a drain when the voltage of a gate electrode is 0 V.SOLUTION: A semiconductor device includes a multi-gate transistor having: an oxide semiconductor film formed over an insulating surface; a first gate insulating film in contact with a first surface of the oxide semiconductor film; a first gate electrode between the insulating surface and the oxide semiconductor film; a second gate insulating film in contact with a second surface of the oxide semiconductor film; and a second gate electrode in contact with the second gate insulating film. The oxide semiconductor film has a first region overlapping with the first gate electrode and a second region not overlapping with the first gate electrode, and the second gate electrode overlaps with the first region and the second region of the oxide semiconductor film.SELECTED DRAWING: Figure 1
Patent JP-2021131602-A (JP)
Title: Autonomous moving body
Inventor: YAMAMURA KENJI
IPC: G05D1/02
Filed: 2020-02-18
Abstract: To suppress the movement direction of a vehicle from being shifted.SOLUTION: An autonomous moving body comprises a vehicle and a controller. The vehicle comprises a vehicle body and a plurality of wheels. The wheels are omnidirectional moving wheels such as Omni wheels, Mecanum wheels and Omni-ball. The controller derives a command vector. The command vector consists of a speed command value that represents magnitude and a direction command value that represents an angle relative to the front of the vehicle. The controller derives an angular velocity command value when causing the vehicle to rotate. The controller derives an angular velocity command value so that the rotation angle of the vehicle that changes in the duration one control cycle equals a value less than the maximum change amount of the direction command value that is changeable in the duration of one control cycle.SELECTED DRAWING: Figure 5
Patent JP-2021130542-A (JP)
Title: Printing device and medium installation method
Inventor: NAKAMURA KOHEI
IPC: B41J15/04
Filed: 2020-02-19
Abstract: To install a medium wrinkles of which are removed easily and reliably.SOLUTION: Provided are a feeding roller that feeds and conveys a roll-shaped medium, a medium support part that supports the medium delivered from the feeding roller, a processing part for processing the medium supported by the medium support part, a load applying part that applies a load that resists the pulling force of the medium when posture correction is performed in which the medium is pulled in the transport direction in order to correct the posture of the medium fed from the feeding roller on the medium support part.SELECTED DRAWING: Figure 1
Patent JP-2021131749-A (JP)
Title: Automatic transaction device, automatic transaction program, automatic transaction method, and server
Inventor: CHIKIRA KENICHI
IPC: G06Q20/18
Filed: 2020-02-20
Abstract: To improve the convenience of financial transaction.SOLUTION: An automatic transaction device 10 includes a display unit 11 and an input unit 12 in which a user can input information and operation. The automatic transaction device 10 accepts an input operation from the input unit 12 in the case of transaction including transfer of at least a part of balance of one of a first account and a second account specified based on input information from the input unit 12 to the other of the first account or the second account. The automatic transaction device 10 makes the display unit 11 display a graphic pattern 1 corresponding to the first account and a graphic pattern 2 corresponding to the second account in a designated size based on the input operation from the input unit 12. Then, the automatic transaction device 10 determines the balance of the first account and the balance of the second account after the transaction based on a ratio between the size of the graphic pattern 1 and the size of the graphic pattern 2 after the input operation.SELECTED DRAWING: Figure 1
Patent JP-2021012867-A (JP)
Title: Light source unit and vehicular lighting fixture
Inventor: KANAMORI AKITAKA
IPC: F21S41/19
Filed: 2020-02-25
Abstract: To reduce costs in a light source unit whose light emitting element is supported by a metal plate.SOLUTION: A light source unit is configured so that a light emitting element 32 is fixed to a first plate surface 34a of a metal plate 34, and a flexible printed wiring board 40 is stuck to the first plate surface of the metal plate. A conductive layer 44 of the flexible printed wiring board 40 includes a first power feeding part 44a adjacent to a lighting fixture rear side of the light emitting element 32 and a second power feeding part 44b located in the vicinity of a rear end surface 34c of the metal plate 34. The light emitting element 32 is electrically connected to the first power feeding part 44a of the conductive layer 44 through a metal line 36. As the light source unit 30, the flexible printed wiring board is electrically connected to a power source side connector 60 at the second power feeding part 44b of the conductive layer 44. Thereby, the light source unit 30 can be composed without using soldering, and a card edge connector can be used as the power source side connector 60.SELECTED DRAWING: Figure 3
Patent JP-2021039085-A (JP)
Title: Superimposed image display device, superimposed image drawing method, and computer program
Inventor: KAWAI TAKASHI
IPC: G08G1/0968
Filed: 2020-02-27
Abstract: To provide a superimposed image display device, a superimposed image drawing method and a computer program which allows occupants to clearly recognize the content of a guidance object displayed by superimposition on scenery in the surrounding of a vehicle, and to exercise an appropriate driving operation.SOLUTION: The present invention is constituted so that when a guidance target point to be guided exists ahead in the traveling direction of a vehicle, a guidance object 53 for guiding to the guidance target point is displayed, whereas in displaying a guidance object, when the distance from the vehicle to the guidance target point being greater than or equal to a threshold, the guidance object is displayed by superimposition so as to be visually recognized by occupants while the relative position to the vehicle is fixed. Further, when the distance from the vehicle to the guidance target point becomes less than the threshold thereafter, the guidance object is displayed by superimposition so as to be visually recognized by the occupants while the relative position to the guidance target point is fixed.SELECTED DRAWING: Figure 9
Patent JP-2021133048-A (JP)
Title: Game machine
Inventor: ICHIHARA TAKAAKI
IPC: A63F7/02
Filed: 2020-02-28
Abstract: To suppress the decline in interest of a game.SOLUTION: In a game machine equipped with a game board having a game area in which a game ball can flow down, the game board includes a specific decorative substrate on which multiple light emitters are mounted on the front mounting surface and a white insulating film is formed in substantially the entire area of the front mounting surface on which the multiple light emitters are mounted, a front mounting surface side wiring pattern arranged on the front mounting surface of the specific decorative substrate, a back mounting surface side wiring pattern arranged on the back mounting surface of the specific decorative substrate, through-holes having a front mounting surface side land electrically connected to the front mounting surface side wiring pattern and a back mounting surface side land electrically connected to the back mounting surface side wiring pattern, light emitting control means for controlling light emission of the multiple light emitters, and a translucent member arranged on the front mounting surface side of the specific decorative substrate. At least a part of the front mounting surface side land is covered with the white insulating film. In the through-holes, at least one of an opening on the front mounting surface and an opening on the back mounting surface is opened.SELECTED DRAWING: None
Patent JP-2021139109-A (JP)
Title: Collective object management system with receptacle for randomly placing addressable objects
Inventor: ZHU SHENGBO
IPC: E05B19/00
Filed: 2020-03-02
Abstract: To provide a collective object management system which uses addressable object tracking devices attached to objects, with no need for special cabinets with mounting pegs or openings for locking.SOLUTION: Each receptacle, which is slidably stored in a cabinet cavity, has first and second Bluetooth antennas mounted on outer and inner walls, and each of the antennas communicates with a monitoring MCU via separate Bluetooth unit. The electronic lock and visible indicator mounted on a front wall of the receptacle are controlled by MCU. The MCU communicates with external host request devices via the first antenna and with any object tracking devices in the receptacle via the second antenna. The object tracking devices have batteries and battery management components powered by transmit arrays located in the receptacle.SELECTED DRAWING: Figure 3
Patent JP-2021089263-A (JP)
Title: Method for preparing sample for crystal structure analysis for structural analysis by crystalline sponge method
Inventor: TANIGUCHI SHIGEMASA
IPC: G01N1/28
Filed: 2020-03-03
Abstract: To provide a method that can determine the structure of a compound (especially, an absolute three-dimensional arrangement) which is difficult to perform structural analysis by a crystalline sponge method, rapidly and accurately by an easy method.SOLUTION: The present invention relates to a method for preparing a sample for crystal structure analysis for structural analysis by a crystalline sponge method, and the method includes the steps of: (A) ion-pair forming an analysis target compound with its counter ion compound; and (B)immersing the ion-pair formed compound in a crystalline sponge, the analysis target compound being a basic compound or an acidic compound.SELECTED DRAWING: Figure 4
Patent JP-2021139423-A (JP)
Title: Flow rate control valve
Inventor: MURAI SHINJI
IPC: F16K31/04
Filed: 2020-03-04
Abstract: To suppress an increase in ventilation resistance due to a backlash suppressing spring, and to suppress the fluctuation of ventilation resistance due to displacement in a circumferential direction of the backlash suppressing spring.SOLUTION: A flow rate control valve 30 includes a housing 31, a valve body 50 that opens/closes a valve seat 38 of the housing 31, a stepping motor 40 that has an output rotary shaft 42, a feeding screw mechanism 61 that converts normal/reverse rotations of the output rotary shaft 42 into reciprocating movement in an axial direction of the valve body 50, and a backlash suppressing spring 65 made from a coil spring energizing the valve body 50 in a direction suppressing backlash of the feeding screw mechanism 61. In the housing 31, a spring supporting portion 70 that has a spring abutting surface on which an end coil portion 65a of the backlash suppressing spring 65 abuts is formed. The spring abutting surface is disposed at a position separated from the valve seat 38 on which the valve body 50 is seated to an opening side of the valve body 50.SELECTED DRAWING: Figure 3
Patent JP-2021141409-A (JP)
Title: amplifier
Inventor: KAWANO YOICHI
IPC: H03F1/22
Filed: 2020-03-04
Abstract: To provide an amplifier that is not easily affected by variation in capacitance value of a transistor.SOLUTION: An amplifier includes a plurality of amplification circuits connected in series between the ground and a power source. Each of the amplification circuits includes a transistor, and a first capacitor having one end connected to a drain of the transistor. A first amplification circuit that is connected the closest to the power source among the amplification circuits includes a load connected between the drain of the transistor and the power source. Each of the amplification circuits except the first amplification circuit includes a load connected between the drain of the transistor of its own amplification circuit and a source of the transistor in the amplification circuit that is adjacent to the own amplification circuit. The amplification circuits except the amplification circuit that is connected the farthest from the power source each include a second capacitor connected between the source of the transistor and the ground. The second capacitor has a larger capacitance value than the first capacitor.SELECTED DRAWING: Figure 5
Patent JP-2020116395-A (JP)
Title: Liquid chemical volatilizer
Inventor: YAMAMOTO MITSURU
IPC: A61L9/12
Filed: 2020-03-05
Abstract: To provide a liquid chemical volatilizer capable of rapidly sucking and naturally transpiring liquid chemical and having immediate effect.SOLUTION: The liquid chemical volatilizer comprises a vessel and a volatilizer 3. The vessel has an opening in an upper part and houses a liquid chemical inside. The volatilizer 3 is inserted in the vessel through the opening in such a way that a lower end part of the volatilizer 3 is arranged inside the vessel, an upper end part is exposed to outside of the vessel, and the volatilizer 3 sucks the liquid chemical from the inside of the vessel. The volatilizer 3 has an outside surface 30 and many stripe-like projections 40 extending in a direction of sucking the liquid chemical. Many stripe-like fine grooves S3 extending in the sucking direction are formed between the many projections. The liquid chemical volatilizer is constituted in such a manner that the liquid chemical sucked due to a capillary phenomenon along the many fine grooves S3 naturally transpires to the outside space.SELECTED DRAWING: Figure 2
Patent JP-2021141251-A (JP)
Title: Cutting method for electronic component, removal method for component and manufacturing method for electronic apparatus
Inventor: NAGASAWA KAZUYA
IPC: H05K3/34
Filed: 2020-03-06
Abstract: To provide a cutting method, removal method and rework method for component, capable of removing a component to be removed without invading cutting chips into a surface of a printed circuit board with no underfill or a lower surface side of a component such as a semiconductor package.SOLUTION: A cutting method includes a process of applying adhesive bond to a prescribed area including at least an outmost periphery part of a top face of an electronic component to be cut packaged on a substrate and bonding a dust-proof sheet and a process of cutting the inside of a part to be applied of the adhesive bond.SELECTED DRAWING: Figure 1
Patent JP-2021137430-A (JP)
Title: Game machine
Inventor: SHIINO SHINICHI
IPC: A63F5/04
Filed: 2020-03-06
Abstract: To provide a game machine capable of enhancing the visibility of a reel symbol.SOLUTION: A reel tape T1 of a game machine includes a transparent base material 60, a symbol forming layer 67 printed on the back surface of the base material 60 to form symbols P1 and P4, and a background forming layer 61a printed on the back surface of the base material 60 to form a background H in the circumference of the symbols P1 and P4. The symbols P1 and P4 include edges P1a and P4a to form the outer shape of the symbol, and translucent portions P1b and P4b that allow light from a backlight to pass through more easily than the edges P1a and P4a. The background forming layer 61a has a brilliant pigment. The translucent portions P1b and P4b do not have a brilliant pigment.SELECTED DRAWING: Figure 6