baber/WOPTO huggingface dataset:
Patent JP-2021118141-A (JP)
Title: Spark plug for internal combustion engine
Inventor: SUGIURA AKIMITSU
IPC: H01T13/32
Filed: 2020-01-29
Abstract: To provide a spark plug for internal combustion engine capable of improving ignitability.SOLUTION: A spark plug 1 for internal combustion engine comprises a cylindrical insulator, a center electrode 4, a cylindrical housing and an auxiliary chamber formation part 5. The auxiliary chamber formation part 5 covers at least a portion of the center electrode 4. A diameter of a tip end penetrating hole 51 formed in the auxiliary chamber formation part 5 is enlarged toward a tip end. A diameter enlarged part 42 whose diameter is enlarged toward the tip end is provided in an electrode tip end part 41 that is a tip end portion of the center electrode 4. At least a portion of the diameter enlarged part 42 is disposed inside of the tip end penetrating hole 51. An annular injection path 52 is formed between an outer peripheral inclined plane 421 of the diameter enlarged part 42 and an inner peripheral inclined plane 512 of the tip end penetrating hole 51. The annular injection path 52 is formed so as to be away from a plug center axis C as getting closer to the tip end. An inner peripheral end 511 of the tip end penetrating hole 51 constitutes a ground electrode which forms a discharge gap G between the inner peripheral end and an electrode tip end part 41 of the center electrode 4.SELECTED DRAWING: Figure 3
Patent JP-2020164251-A (JP)
Title: Liquid storage bottle and method for manufacturing the same
Inventor: OBARA MANABU
IPC: B65D8/18
Filed: 2020-01-29
Abstract: To provide a liquid storage bottle which does not impair the appearance and function of a product without restricting a degree of freedom of a design.SOLUTION: A liquid storage bottle has a bottle body 21 and a nozzle 22 which is joined to the bottle body 21, in which the bottle body 21 has a first cylindrical part 24, the nozzle 22 has a second cylindrical part 25 having an inner peripheral surface 25a welded to an outer peripheral surface 24a of the first cylindrical part 24, the outer peripheral surface 24a of the first cylindrical part 24 is provided with an annular groove part 26 that extends in a circumferential direction at a position facing the inner peripheral surface 25a of the second cylindrical part 25 and stores a resin constituting the cylindrical parts 24 and 25, the first cylindrical part 24 includes a first contact surface 24b extending to an outside in a radial direction from the outer peripheral surface 24a, the second cylindrical part 25 includes a second contact surface 25b extending to the outside in the radial direction from the inner peripheral surface 25a, and the groove part 26 is provided between a region where the outer peripheral surface 24a and the inner peripheral surface 25b are welded to each other and a region where the first contact surface 24b and the second contact surface 25b are brought into contact with each other.SELECTED DRAWING: Figure 7
Patent JP-2021122957-A (JP)
Title: Ink cassette and printer
Inventor: HASHIMOTO MASAYA
IPC: B41J2/325
Filed: 2020-01-31
Abstract: To compensate deterioration in strength of a printer body and reduce reduction in printing quality.SOLUTION: A printer has a print head, a receiving member for receiving contact pressure of the print head, a lifting mechanism for making the print head pressure-contact or separated from the receiving member through an ink sheet and a print sheet, and a support member for supporting the receiving member and the lifting mechanism. The ink cassette can be inserted and drawn to/from the printer through an opening provided on the support member and has a plate member provided on the end on a near side in a mounting direction of the ink cassette, and the plate member is provided with two or more engagement parts engaged with a printer part in a state in which the ink cassette is mounted on the printer.SELECTED DRAWING: Figure 6
Patent JP-2021123456-A (JP)
Title: Film rewinder
Inventor: KUSUYAMA TETSUNORI
IPC: B65H23/025
Filed: 2020-02-05
Abstract: To provide a film rewinder capable of appropriately removing wrinkles by expander rolls during forward and backward feeding of a film.SOLUTION: A film rewinder 100 comprises expander rolls 51a and 51b which are configured to be movable. The expander rolls 51a and 51b are adjustable in direction. In the film rewinder 100, when a film 151 is fed, sleeves 512a and 512b are contacted by the film 151 in a state that central portions of shaft members 511a and 511b are arranged downstream in a transport direction of the film 151 relatively to both ends thereof and when the transport direction of the film 151 is changed over, the central portions of the shaft members 511a and 511b are adjusted in direction relatively to both ends thereof in a state that the sleeves 512a and 512b are spaced from the film 151.SELECTED DRAWING: Figure 1
Patent JP-2021129340-A (JP)
Title: Drive device
Inventor: NAKAMURA KEIGO
IPC: H02K9/19
Filed: 2020-02-10
Abstract: To provide a drive device having a structure which enables improvement of cooling efficiency of a stator core.SOLUTION: A drive device includes: a motor having a rotor which may rotate around a motor axis and a stator core located at the radial outer side of the rotor; a housing which houses the motor therein; and a first refrigerant injection part 11 having injection ports for injecting a refrigerant. The stator core has: a stator core body 32a; and a fixed part protruding from the stator core body 32a to the radial outer side and fixed to the housing. The housing has a motor housing part 61 which encloses the stator core from the radial outer side. The fixed part is located at one circumferential side of the first refrigerant injection part 11. The injection ports of the first refrigerant injection part 11 include: first injection ports 14 oriented to the one circumferential side and being open in a direction oriented to the stator core; and second injection ports 16 oriented to the one circumferential side and being opening in a direction oriented to an inner peripheral surface of the motor housing part.SELECTED DRAWING: Figure 4
Patent JP-2021127856-A (JP)
Title: Refrigerator and water supply tank
Inventor: NARABI YOSHIHIRO
IPC: F25C1/25
Filed: 2020-02-13
Abstract: To improve design of a refrigerator comprising a water supply tank.SOLUTION: A refrigerator according to the present invention comprises a water supply tank 30 for storing water to be supplied to an ice making tray 33, in a storage chamber 6. The water supply tank 30 comprises: a container body 36 comprising an opening in an upper surface; a lid body 38 for closing the upper surface of the container body 36; a front side container locking part 41 provided in a front peripheral wall of the container body 36; a front side fixing member 51 comprising a front side lid locking part 56 provided in the lid body 38, and locked in the front side container locking part 41, and an operating part 57 for receiving operation of a user, and moving the front side lid locking part 56; and a front protruding part 40 for covering the front side fixing member 51 from a front side.SELECTED DRAWING: Figure 3
Patent JP-2020161807-A (JP)
Title: Semiconductor module and semiconductor device used therefor
Inventor: OSAWA SEIGO
IPC: H01L23/48
Filed: 2020-02-20
Abstract: To realize a semiconductor module and a semiconductor device used therefor, having a double-sided thermal dissipation structure that is thinner and has lower thermal resistance than conventional one.SOLUTION: A semiconductor module is configured so that a first heat sink 1, a semiconductor device 2, and a second heat sink 3 are stacked in this order so as to be bonded to one another via a bonding material 5, and heat generated in the semiconductor device 2 is dissipated from both heat sinks 1 and 3 to outside. The semiconductor device 2 comprises a rewiring layer including a wiring having one end extending outside an outer shell of the semiconductor element. Using the semiconductor device 2, the semiconductor module is formed by including a structure in which a portion of the semiconductor device 2 including the above-described one end of the wiring is disposed outside an outer shell on the other side 3b of the second heat sink 3, and the wiring and a lead frame 4 are connected with a bonding material 5 composed of a solder. This eliminates need for heat dissipation blocks and wires, making it possible to realize a structure that is thinner and has lower thermal resistance than conventional one.SELECTED DRAWING: Figure 1
Patent JP-2021132003-A (JP)
Title: Electromagnetic contactor
Inventor: ITO MITSUYA
IPC: H01H50/54
Filed: 2020-02-21
Abstract: To provide an electromagnetic contactor in which a foreign object generated in a contact mechanism is retained in a high-capacity foreign object recovery space provided on a bottom part of an insulative holder.SOLUTION: An electromagnetic contactor 1 comprises: a contact mechanism 4 which is provided with a pair of fixed contact pieces 13, 14 having fixed contacts 13a, 14a, and a movable contact piece 15 having a pair of movable contacts 15a, 15b capable of coming into contact with or separating from the fixed contacts; an electromagnet unit 5 which has a drive shaft 23 coupled to the movable contact piece so as to drive the movable contact piece in a contact/separation direction for coming into contact with or separating from the pair of fixed contact pieces; an insulative holder 18 which is a bottomed cylindrical member having, on its bottom part, a holder insertion hole 13c for inserting the drive shaft, and houses the contact mechanism and the drive shaft; and a foreign object recovery member 40 which prevents a foreign object generated in the insulative holder from entering the electromagnet unit side. The foreign object recovery member has a recessed part 41 which is opened toward the bottom part.SELECTED DRAWING: Figure 1
Patent JP-2021132823-A (JP)
Title: Visual field abnormality diagnostic method and visual field abnormality diagnostic device
Inventor: INOUE ARATA
IPC: A61B3/024
Filed: 2020-02-26
Abstract: To provide a novel visual field abnormality diagnostic method and a visual field abnormality diagnostic device for diagnosis of abnormality in a visual field such as a visual field defect.SOLUTION: The method causes a subject to gaze with one of his or her eyes the center part of a screen on which a digital random noise image of a snow noise or a color noise are displayed, and diagnoses whether a visual field is abnormal or not based on how the screen appears.SELECTED DRAWING: Figure 1
Patent JP-2021096215-A (JP)
Title: Device and method for measuring position of communication port of rehabilitation pipe
Inventor: KUBO YOSHIHISA
IPC: G01B11/00
Filed: 2020-02-27
Abstract: To measure an accurate position of a formed communication port by a laser distance meter when forming a communication port communicated with a branch pipe in a rehabilitation pipe lined in an existing pipe.SOLUTION: A laser distance meter 31 is formed in a travel body 11 that can be introduced in an existing pipe or in a rehabilitation pipe. A laser is emitted from the laser distance meter 31 so that the distance to a reference position P30 away from the travel body is measured. In the reference position P30, a reflection plate 35 is arranged. It is desirable that an auxiliary camera 32 is provided near the laser distance meter 31 of the travel body 11 and the imaging direction is set to be the same direction as the direction of the laser radiation.SELECTED DRAWING: Figure 2
Patent JP-2020100656-A (JP)
Title: Compositions, methods and medical compositions for treating liver and maintaining health of liver
Inventor: JIA QI
IPC: A61K9/08
Filed: 2020-02-28
Abstract: To provide compositions and methods for treating a liver and maintaining a health of the liver.SOLUTION: A compositions include a mixture of plant extracts. The plant extracts include at least one Myristica extract, at least one Astragalus extract, and at least one mushroom extract Poria or at least one Schizandra extract.SELECTED DRAWING: Figure 1
Patent JP-2021137990-A (JP)
Title: Decorative sheet, decorative plate, and method for producing decorative sheet
Inventor: OSHIMA NONOKA
IPC: B32B27/00
Filed: 2020-03-03
Abstract: To provide a decorative sheet having excellent fingerprint resistance on the surface, a decorative plate, and a method for producing the decorative sheet.SOLUTION: A decorative sheet is provided with: a base material layer 11; a colored pattern layer 12 provided on one surface of the base material layer 11; and a first surface protection layer 13 that is provided on the side of the colored pattern layer 12 opposite to the base material layer 11 and includes a core section 13A and ridge sections 13B provided protruding in a ridge-like shape from one side of the core section 13A, with an uneven shape formed on the surface of the first surface protection layer.SELECTED DRAWING: Figure 1
Patent JP-2021139178-A (JP)
Title: End segment
Inventor: YOSHIDA HIDENORI
IPC: E21D11/08
Filed: 2020-03-05
Abstract: To provide an end segment that can stably reinforce acute corner portions by avoiding corrosion of a reinforcement portion due to the effects of groundwater, acidic soil, etc.SOLUTION: An end segment 30 has an equilateral trapezoidal planar shape obtained by dividing a hexagonal segment into two. On an acute corner portion 31a of ends of both sides of a long side joint surface 31 in the equilateral trapezoidal planar shape, a corner reinforcement 40 made of synthetic resin with a V-shaped cross-sectional shape is attached as an integral portion along the long side joint surface 31 and a diagonal side joint surface 32, with an inner side portion 40a along an edge portion of a tunnel inner circumference side. Over the entire circumference of a peripheral joint end face 34, which consists of the long side joint surface 31, a pair of diagonal side joint surfaces 32, and a short side joint surface 33 in the equilateral trapezoidal planar shape, a sealing groove 35b is continuously formed for sandwiching and holding a sealing material, including a portion 35b' of the corner reinforcement 40 as an inner sealing groove.SELECTED DRAWING: Figure 4
Patent JP-2021141477-A (JP)
Title: Piezoelectric device
Inventor: MATSUMURA YU
IPC: H01L23/02
Filed: 2020-03-06
Abstract: To provide a piezoelectric device which enables further reduction of sound reverberation of ultrasonic components.SOLUTION: A piezoelectric device 1 includes a case 10, a piezoelectric element 20, and a cushioning material 60. The case 10 defines a storage space. The piezoelectric element 20 is disposed in the storage space. The cushioning material 60 includes an air bubble structure 61. The cushioning material 60 is disposed on the piezoelectric element 20 while compressed to the piezoelectric element 20.SELECTED DRAWING: Figure 4
Patent JP-2021142668-A (JP)
Title: Image forming device
Inventor: SUGA DAISUKE
IPC: B41J29/38
Filed: 2020-03-10
Abstract: To enable a touch mark overlapping with an antenna to be displayed at an optimal position.SOLUTION: An image forming device comprises: a plurality of NFC tag parts having antennas and perform authentication of a portable terminal by NFC communication through the antennas by holding the portable terminal over it; a display part 14 in which the plurality of antennas are arranged and which has a display surface 14a that can display information; and a control part that can execute a stand-by mode in which authentication of the portable terminal by the NFC communication is stood-by. The control part can execute a setting mode in which a position of a touch mark on the display surface 14a is set as a use-mark position. In the stand-by mode, the touch mark is displayed at a touch mark display position 61b, electricity is supplied to a first communication part having the antennas overlapping with the touch mark displayed at the touch mark display position 61b of the plurality of antennas, and electricity is not supplied to the first communication part not having the antennas overlapping with the touch mark.SELECTED DRAWING: Figure 11
Patent JP-2021144811-A (JP)
Title: Air battery
Inventor: TOMIOKA ATSUNORI
IPC: H01M12/06
Filed: 2020-03-11
Abstract: To provide an air battery including a negative electrode, an air electrode of a positive electrode, and an electrolyte or an electrolyte equivalent substance interposed between the negative electrode and the air electrode, the air battery being capable of efficiently preventing various problems due to precipitates from the negative electrode.SOLUTION: An air battery is characterized to include: an air electrode serving as a positive electrode; a negative electrode including metal in at least part thereof; a culture medium which is interposed between the air electrode and the negative electrode and which functions as an electrolyte equivalent substance; and retention means retaining a plant to be grown while at least part of the plant is located between the negative electrode and the air electrode.SELECTED DRAWING: Figure 1
Patent JP-2021142151-A (JP)
Title: Game machine
Inventor: HIRAMATSU SHINJI
IPC: A63F7/02
Filed: 2020-03-12
Abstract: To provide a game machine capable of suitably increasing the attention paid to a game.SOLUTION: When a big winning result is obtained in a lottery based on a winning to a first operation port 91A and a second operation port 92A, a game state is shifted to a special game state. An electric accessory 93A is attached to the second operation port 92A, and when the electric accessory 93A is switched from the closed state to the open state, a winning to the second operation port 92A is permitted. The support mode by the electric accessory 93A includes a low frequency support mode, a high frequency support mode A, and a high frequency support mode B. When the number of games in a normal game state corresponding to the high frequency support mode B reaches the end reference number of times, the game state is shifted to the normal game state corresponding to the low frequency support mode, and the game round for reservation which is related to the second operation port 92A is executed. When a particular losing result is obtained in these game rounds, the game state is shifted to the normal game state corresponding to the high frequency support mode A.SELECTED DRAWING: Figure 56
Patent JP-2021142252-A (JP)
Title: Game machine
Inventor: UCHIDA DAIKI
IPC: A63F7/02
Filed: 2020-03-13
Abstract: To appropriately change a state of a game element according to settings while enhancing amusement properties.SOLUTION: A game machine includes: setting change control means capable of setting a setting value based on a predetermined operation; lottery means capable of executing a lottery based on the establishment of a predetermined condition; lottery table storage means for storing a lottery table used for a lottery; display means in which a symbol variable display is executed; symbol display control means for executing a symbol variable display and executing a stop display in a mode indicating a result of the lottery; and benefit imparting means for imparting any one benefit of a plurality of benefits advantageous to a player when the symbol is displayed in a mode indicating that the result of the lottery is a specific result. The lottery table storage means stores a plurality of lottery tables in which a lottery probability on a specific benefit whose degree of advantage is relatively high of the plurality of benefits is different depending on the setting value. The lottery means executes a lottery using the lottery table according to the setting value set by the setting change control means.SELECTED DRAWING: Figure 25
Patent JP-2021148912-A (JP)
Title: Display control device, vehicle, and display control method
Inventor: KURAMOCHI TOSHIKATSU
IPC: G09G5/00
Filed: 2020-03-18
Abstract: To provide a display control device capable of appropriately displaying contents, a vehicle, and a display control method.SOLUTION: A display control device 12 comprises: a travel state determination unit 58 for determining a travel state of a vehicle 10; and a display control unit 60 for controlling the display of a content to a display area 70 directed to the outside of the vehicle. When the vehicle is determined to be traveling by the travel state determination unit, the display control unit permits the display of the content having achromatic color or cold color to the display area visible from the rear of the vehicle, and limits the display of the content having warm color to the display area visible from the rear of the vehicle.SELECTED DRAWING: Figure 6
Patent JP-2021148370-A (JP)
Title: Pellet combustor and stove for pellet
Inventor: UEMURA TADAFUMI
IPC: F23B20/00
Filed: 2020-03-19
Abstract: To provide a pellet combustor which enables easy assembly to an existing stove and has excellent portability, and to provide a stove for pellets.SOLUTION: A pellet combustor 200 is installed at a stove 100 having an upper end opening 111 to combust pellets and includes: a cylindrical fuel storage part 210 which stores pellets and discharges the pellets from a discharge port; and a cylindrical combustion part 220 which receives the pellets discharged from the discharge port of the fuel storage part to combust the pellets. The fuel storage part may be detachably attached onto the combustion part 220. The combustion part 220 can be installed at the upper end opening 111 of the stove 100. The pellet combustor 200 is placed on the upper end opening 111 of the stove 100 to be used.SELECTED DRAWING: Figure 2
Patent JP-2020158497-A (JP)
Title: Organic compound, light-emitting device, light-emitting apparatus, electronic device, and lighting device
Inventor: KADOMA HIROSHI
IPC: C07D241/42
Filed: 2020-03-19
Abstract: To provide a quinoxaline derivative that is a novel organic compound.SOLUTION: A quinoxaline derivative, illustrated by the following structural formula, has a structure in which a quinoxaline skeleton is bonded to the 9-position of an anthracene skeleton, the 10-position of the anthracene skeleton is bonded to a heteroaromatic ring, and the 3-position of the heteroaromatic ring is nitrogen.SELECTED DRAWING: None
Patent JP-2021152191-A (JP)
Title: Method for decarburizing molten steel in rh vacuum degassing system
Inventor: IKESUE TAKETO
IPC: C21C7/00
Filed: 2020-03-24
Abstract: To provide a molten steel decarburizing method in a RH vacuum degassing system in which decarburizing progress estimation accuracy can be improved.SOLUTION: During a decarburization process a decarburization reaction rate is determined as a differential equation of the first order reaction using a decarburization rate constant KC, a decarburization capacity coefficient ak is calculated using a CO gas generation rate k, the decarburization rate constant KC is calculated using the decarburization capacity coefficient ak, and the carbon concentration in the molten steel is estimated using a mathematical model expressed by the determined differential equation. When determining the decarburization end at the timing when the estimated carbon concentration in the molten steel reaches a predetermined target value, a regression equation for obtaining the CO gas generation rate k from the molten steel information and the exhaust gas information is prepared in advance based on the relationship between the CO gas generation rate k, the molten steel information and the exhaust gas information in the past decarburization processing results. The CO gas generation rate k is calculated by the prepared regression equation using the molten steel information and the exhaust gas information in the decarburization process.SELECTED DRAWING: Figure 1