baber/WOPTO huggingface dataset:
Patent JP-2023028387-A (JP)
Title: Oil passage structure of internal combustion engine
Inventor: KANAI TAKUYA
IPC: F02F1/24
Filed: 2021-08-19
Abstract: To provide oil passage structure of an internal combustion engine, enabling quick operation of an intake-side valve timing adjustment device after starting the internal combustion engine, thereby enabling reduction of exhaust gas and reduction of fuel consumption.SOLUTION: The oil passage structure of an engine 1 includes an intake-side head oil passage 63 for supplying oil from a main oil passage 62 to an intake-side spool valve 25, and an exhaust-side head oil passage 64 for supplying oil from the main oil passage 62 to an exhaust-side spool valve 26, the exhaust-side head oil passage 64 branches from the main oil passage 62 and is communicated with an exhaust-side in-cam-cap oil passage 66. An intake-side lash adjuster oil passage 74 and an exhaust-side lash adjuster oil passage 75 are communicated with the exhaust-side in-cam-cap oil passage 66 via a first communication oil passage 72 and a second communication oil passage 73, respectively, and a hydraulic sensor 70 is mounted to the intake-side head oil passage 63.SELECTED DRAWING: Figure 7
Patent JP-2023028561-A (JP)
Title: Access control system, access control device, and access control method
Inventor: IWAWAKI MASATO
IPC: G06F21/55
Filed: 2021-08-19
Abstract: To detect that an access destination site indicated by an access request is an illegal site.SOLUTION: A data storage device stores white list information including address information collected from each of a plurality of access control devices. A receiving unit of each of the access control devices receives an access request from a terminal device. A first acquisition unit acquires first image information from an access destination site indicated by first address information included in the access request. A second acquisition unit acquires the white list information from the data storage device. A determination unit determines that the access destination site is an illegal site when the first address information is not included in the white list information, and the first image information is similar to second image information corresponding to second address information included in the white list information.SELECTED DRAWING: Figure 3
Patent JP-2022167743-A (JP)
Title: Recycling method and recycling system
IPC: B29B17/04
Filed: 2021-08-19
Abstract: PROBLEM TO BE SOLVED: To manufacture high-quality resin pellets. 
     SOLUTION: A recycling method includes a cutting step for cutting a net, rope, string, or bond into small pieces, a cleaning step for cleaning the small pieces, a dehydrating step for dehydrating the small pieces after cleaning in the cleaning step, a drying step for drying the dehydrated small pieces, a crushing step for further crushing the dried small pieces into minute pieces, and a molding step for processing the minute pieces into a pellet shape by extrusion molding. 
     SELECTED DRAWING: Figure 1 
     COPYRIGHT: (C)2023,JPO&INPIT
Patent JP-2023031054-A (JP)
Title: Communication system and communication device
Inventor: GOTO TETSUO
IPC: H04B3/54
Filed: 2021-08-24
Abstract: To provide a communication system and a communication device that more reliably transmit information collected in the ground from in the ground to on the ground.SOLUTION: A communication system used in a power system equipped with underground cables 10A1 to 10C8 includes: a plurality of communication devices (PLC transmission slave devices 102) capable of communicating with each other via the underground cables by inductive coupling with shielding layers of the underground cables; and current transformers 23A to 23C whose number of turns is one or more and eight or less. The communication devices communicate with another communication device by inductive coupling using the current transformers. The frequency of a communication signal used for communication is 2 MHz or more.SELECTED DRAWING: Figure 10
Patent JP-2023033775-A (JP)
Title: Medical equipment
Inventor: OTSUKA WATARU
IPC: A61M25/00
Filed: 2021-08-30
Abstract: To provide medical equipment capable of achieving good operability.SOLUTION: Medical equipment 100 is equipped with a tubular body 10, which is a long-sized hollow tube made of resin. In at least a part in a longitudinal direction of the tubular body 10, there are a plurality of air gaps 25 dotted in the resin. and a flexible part 30 is disposed, which can be easily bent in a direction intersecting with an axial direction of the tubular body 10. The plurality of air gaps 25 are disposed dispersed in a circumferential direction and an axial direction. The plurality of air gaps 25 are extended in the circumferential direction respectively or in the axial direction respectively. The lumen of the tubular body 10 is fluid-tightly protected from the outside by a tube wall of the tubular body 10.SELECTED DRAWING: Figure 2
Patent JP-2023035021-A (JP)
Title: liquid crystal polymer composition
Inventor: TSUCHIYA HITOSHI
IPC: C08K3/04
Filed: 2021-08-31
Abstract: To provide a liquid crystal polymer composition that suppresses the generation of particles in ultrasound cleaning of a molding, and also suppresses the occurrence of a warp in the molding.SOLUTION: A liquid crystal polymer composition contains liquid crystal polymer 100 pts.mass, titanium oxide 1-50 pts.mass and mica 1-50 pts.mass. The ratio of the titanium oxide content (mass part) to the mica content (mass part) is 0.1-10.SELECTED DRAWING: None
Patent JP-2023035426-A (JP)
Title: Method and device for measuring porosity of sintered ore and method of estimating reducibility of sintered ore
Inventor: HOTTA KANEYA
IPC: G01N33/24
Filed: 2021-09-01
Abstract: To provide a method and device for measuring porosity of sintered ore, which allow for measuring closed pores and through-pores in a pore structure of the sintered ore and sufficiently grasping the pore structure of the sintered ore, and to provide a method of accurately estimating reducibility of the sintered ore using the method and device for measuring porosity of sintered ore.SOLUTION: A method of measuring porosity of sintered ore is provided, comprising a three-dimensional texture image building step for building a three-dimensional texture image of the sintered ore by reconstructing a plurality of captured images obtained by successively photographing different cross-sections of the sintered ore, and a porosity measurement step for measuring porosity of pores in the sintered ore from the three-dimensional texture image.SELECTED DRAWING: Figure 2
Patent JP-2023038766-A (JP)
Title: packaging container
Inventor: KURIYAMA YOSHIHITO
IPC: B65D81/26
Filed: 2021-09-07
Abstract: To provide a packaging container capable of reducing valve opening pressure in a gas venting valve.SOLUTION: This packaging container for packaging a gas generating article comprises: a container body having an opening; an inner lid body having a ventilation hole formed therein and fitted so as to cover the opening of the container body; a gas venting valve fitted to the outer surface of the inner lid body so as to cover the ventilation hole formed in the inner lid body; and an outer lid body fitted to the container body so as to cover the inner lid body. The outer lid body is provided with a plurality of emboss parts projecting toward the inner lid body side and an outer peripheral part in the outer periphery of a region overlapping the gas venting valve in a projection direction, and the emboss parts are arranged in the outer peripheral part.SELECTED DRAWING: Figure 1
Patent JP-2023041153-A (JP)
Title: Calibration method and calibration system
Inventor: YAMADA WATARU
IPC: B64F5/60
Filed: 2021-09-13
Abstract: To perform calibration of an array antenna regardless of an installation environment of the array antenna and without adding a device dedicated to calibration to the array antenna.SOLUTION: A flying object such as a drone is used for calibration of an array antenna having a plurality of antenna element parts. A radio wave is transmitted from one to the other of the array antenna and the flying object, and a K-factor is calculated based on a result of reception of the radio wave on the reception side. The altitude of the flying object is adjusted so that the K-factor becomes equal to or more than a threshold. Subsequently, a calibration signal is transmitted from one to the other of each of the plurality of antenna element parts and the flying object. A calibration value of a transmitter or a receiver between the plurality of antenna element parts is calculated based on a result of reception of the calibration signal.SELECTED DRAWING: Figure 3
Patent JP-2023042713-A (JP)
Title: Dll circuit, light-emitting device
Inventor: KOSUGE MANABU
IPC: H03L7/14
Filed: 2021-09-15
Abstract: To provide a DLL circuit and a light-emitting device capable of reducing power consumption.SOLUTION: A DLL circuit includes a master delay line 2 having a first delay buffer, a phase comparator circuit 5 having a phase comparator, a control voltage generation part 4, a low-pass filter 7 having a charge accumulation part, and a drive control part 9. The first delay buffer adds delay according to a control voltage to an input clock signal CLKin. The master delay line outputs an output clock signal CLKout through the first delay buffer. The phase comparator compares phases of the input clock signal and the output clock signal. The control voltage generation part generates a control voltage Vcont based on the output of the phase comparator. The charge accumulation part accumulates charge for holding the control voltage. The drive control part outputs a drive control signal Scont for halting operation of the phase comparator based on determination result for delayed lock state.SELECTED DRAWING: Figure 1
Patent JP-2021192638-A (JP)
Title: Lycopene composition having improved colorant property
Inventor: SEDLOV TANYA
IPC: A61Q1/00
Filed: 2021-09-17
Abstract: To provide a crystalline lycopene composition having more satisfactory long-term stability and colorant property.SOLUTION: The invention targets to a tomato-derived composition containing lycopene with high concentration and an insoluble substrate with low (10% (w/w) or less) concentration. An unexpected characteristic of the composition is that lycopene crystal contained in the same can be pulverized to a size of less than 1 micron. A further advantage of the composition is improvement of its color characteristic. Therefore the invention also targets to use of the composition as a colorant for food, beverage, nutritional supplement products, or cosmetics.SELECTED DRAWING: None
Patent JP-2022151511-A (JP)
Title: Plasma generation device, and substrate processing device using the same
Inventor: NAKANISHI KENJI
IPC: H05H1/24
Filed: 2021-09-17
Abstract: To shorten a time required to generate a plasma.SOLUTION: A plasma generation device comprises: a first electrode member group of a plurality of first electrode members; a first collective electrode connected with the first electrode member group; a second electrode member group of a plurality of second electrode members: and a second collective electrode connected with the second electrode member group. At least one of the electrode members is configured by a small-resistance electrode member having an electric resistance smaller than those of the other electrode members configuring the same electrode member group as the concerned electrode member. The plurality of first electrode members and the plurality of second electrode members are arranged alternately in a plan view.SELECTED DRAWING: Figure 7
Patent JP-2023046156-A (JP)
Title: Panel unit and partition device
Inventor: TSUCHIYAMA WAKU
IPC: A47G5/00
Filed: 2021-09-22
Abstract: To vertically stack a plurality of panel units in a state where the panel units are vertically connected firmly.SOLUTION: A panel unit 10 includes a support structure 20 and a pair of panel materials 30 arranged in both sides of the support structure 20 so as to sandwich the support structure 20. The support structured 20 includes: a lower coupling unit 25 provided in a lower end 21b of the support structure 20 in the panel unit 10 and to which an upper end of a support structure 20 of another panel unit 10 arranged in a lower side of the panel unit 10 or an upper end 72t of a base leg 70 installed on an installation surface F can be connected; and an upper coupling unit 26 provided in an upper end of the support structure 20 in the panel unit 10 and to which a lower end 21b of a support structure 20 of another panel unit 10 arranged in an upper side of the panel unit 10 can be connected.SELECTED DRAWING: Figure 10
Patent JP-2023049530-A (JP)
Title: Pressure sensitive adhesive sheet for temporarily fixing electronic component and electronic component processing method
Inventor: UENO SHUSAKU
IPC: H01L21/304
Filed: 2021-09-29
Abstract: To provide a pressure sensitive adhesive sheet used for temporarily fixing an electronic component to a support, in which a laser beam irradiation causes detachability from the support, and can reduce a residue on the support after detachment.SOLUTION: A pressure sensitive adhesive sheet for temporarily fixing an electronic component of the invention includes a photothermal conversion layer and a thermal decomposition layer directly disposed on the photothermal conversion layer. A temperature of 5% weight loss of the thermal decomposition layer is lower than a temperature of 5% weight loss of the photothermal conversion layer. In an embodiment, the temperature of 5% weight loss of the photothermal conversion layer is 300-600°C.SELECTED DRAWING: Figure 1
Patent JP-2022000988-A (JP)
Title: User device, communication device, and method for communication
Inventor: IANEV ISKREN
IPC: H04W76/10
Filed: 2021-10-04
Abstract: To provide a method for radio communication, a system, and a user device for transmission of small data.SOLUTION: In a radio network, a radio terminal 502 sends as a part of a radio connection establishing procedure for forming a radio connection between the radio terminal 502, a base station 504, and an MME 506. A radio connection establishing signalling including a small data indicator is requested from the radio terminal via a radio connection to a network so that the base station shows a transmission of a threshold value or less of data amount.SELECTED DRAWING: Figure 5
Patent JP-2023055018-A (JP)
Title: Semiconductor device and manufacturing method thereof
Inventor: ITO KOJI
IPC: H01L21/329
Filed: 2021-10-05
Abstract: To provide a semiconductor device which can have high voltage resistance and can be easily manufactured.SOLUTION: A semiconductor device comprises: a mesa diode structure part 20 in which a P-type semiconductor layer 11, a first N-type semiconductor layer 12 and a second N-type semiconductor layer 13 having higher impurity density than the first N-type semiconductor layer are laminated in this order; and a protective layer 17b which is arranged on a side wall in the periphery of the mesa diode structure part 20 in the plan view. The protective layer is not arranged on the side surface on the lower side of the P-type semiconductor layer. The protective layer is arranged on the side surface on the upper side of the P-type semiconductor layer. The protective layer is arranged on the side surface 12a of the first N-type semiconductor layer and the side surface 13a of the second N-type semiconductor layer. A bevel angle 30 formed by a PN junction surface of the P-type semiconductor layer and the first N-type semiconductor layer and the side surface 11c on the upper side of the P-type semiconductor layer is between 85 degrees and 120 degrees.SELECTED DRAWING: Figure 10
Patent JP-2023056190-A (JP)
Title: Missing value estimation method, machine learning method, and missing value estimation device
Inventor: ONISHI TAKESHI
IPC: G06N20/00
Filed: 2021-10-07
Abstract: To provide a technique allowing for more simply estimating missing values in data.SOLUTION: A missing value estimation method includes the steps of: obtaining input data in which part of a plurality of category feature quantities for expressing features of an object is missing; obtaining, from a storage unit that stores the plurality of feature quantity vectors corresponding to the plurality of category feature quantities and having equal dimensions, a plurality feature quantity vectors of a plurality of category feature quantities in which there is no missing included in the input data; and estimating a missing value in the input data from the plurality of obtained feature quantity vectors using a learning model machine-learned based on learning data including masked category feature quantities.SELECTED DRAWING: Figure 6
Patent JP-2023057792-A (JP)
Title: Lower-half body garment
Inventor: KAWAI TAKASHI
IPC: A41B11/00
Filed: 2021-10-12
Abstract: To moderately apply pressure in accordance with exercise operation upon workout, to improve effect of workout, to support pelvises, and to tighten a belly and raise hips (which are one example of a purpose of workout).SOLUTION: Leggings 100 are provided with three power bands which are less stretchable than a body fabric 120 in addition to the body fabric 120 which forms the whole shape. First power bands 112 are provided around a girth in waist parts W, second power bands 114 are provided at right and left in the waist parts W, panty parts P and leg parts L so as to enter into a belly side from a back side from a second start point 114S to a second end point 114E, and third power bands 116 are provided at the right and left of the panty parts P so as to be directed obliquely upward from a third start point 116S to a third end point 116E.SELECTED DRAWING: Figure 2
Patent JP-2023059310-A (JP)
Title: Low-level and underwater cabin drone
Inventor: HIROTA YUJI
IPC: B60F5/02
Filed: 2021-10-15
Abstract: To hardly cause damage to the human body even when a drone fails and falls, keep it in a floating state without making it sink even when it fails above water and falls, and enable it to travel a long distance.SOLUTION: A drone flies at very low altitude above ground or above water, and makes a balloon float like a ship above the water so that buoyancy maintenance energy including the self-weight of the drone can be set to zero. Consequently, only energy for horizontal movement is brought to enable long-time navigation, that is, long-distance travel.SELECTED DRAWING: Figure 1
Patent JP-2023060494-A (JP)
Title: game machine
Inventor: OGURA TOSHIO
IPC: A63F7/02
Filed: 2021-10-18
Abstract: To provide a game machine capable of performing suitable customer-waiting control.SOLUTION: A performance control CPU 120 displays a first background display 004SG081 during a first customer-waiting period (first period) after completion of a game (stopping and displaying of a variable display) in a low-base state, and displays a demonstration movie during a second customer-waiting period (second period) after completion of the first customer-waiting period.SELECTED DRAWING: Figure 31
Patent JP-2023060949-A (JP)
Title: Refrigerant composition, refrigeration cycle actuation medium, and refrigeration cycle system
Inventor: IIDAKA MASAYUKI
IPC: C09K5/04
Filed: 2021-10-19
Abstract: To provide a refrigerant composition that contains trifluoroethylene (HFO-1123) and difluoromethane (R32) and has a lower GWP and a sufficiently higher COP compared with R410A.SOLUTION: In a 3-component composition diagram where the sum of trifluoroethylene, difluoromethane, and propane is 100 mass% when x, y, and z are each a mass% of trifluoroethylene, difluoromethane, and propane based on the sum thereof respectively, the coordinate (x, y, z) falls in the range enclosed with segment GH connecting point G and point H, segment HC connecting point H and point C, segment CD connecting point C and point D, segment DE connecting point D and point E, and segment EG connecting point E and point G, or on at least any one segment among segment DE, segment EG, and segment GH (but, excluding point D, point E, and point G) among specific points A-H.SELECTED DRAWING: Figure 1
Patent JP-2022017359-A (JP)
Title: Liquid crystal aligning agent
IPC: C08L79/08
Filed: 2021-10-20
Abstract: PROBLEM TO BE SOLVED: To provide a liquid crystal aligning agent which is unlikely to cause swelling of a printing plate and offers good printability. 
     SOLUTION: A liquid crystal aligning agent contains a polymer component and a specific solvent. The specific solvent is N,N-dimethylpropylene urea. 
     SELECTED DRAWING: None 
     COPYRIGHT: (C)2022,JPO&INPIT
Patent JP-2023064000-A (JP)
Title: internal combustion engine
Inventor: MAEDA MASAHIRO
IPC: F01P3/02
Filed: 2021-10-25
Abstract: To further reduce a cooling loss generated in a cylinder block of an internal combustion engine.SOLUTION: An internal combustion engine 1 controls a flow of cooling water so that the temperature of cooling water circulating in a cylinder head 12 forming a ceiling portion of a combustion chamber of a cylinder in which a piston provided with a heat shielding film on a surface moves forward/backward becomes lower than the temperature of cooling water circulating in a cylinder block 11 containing a cylinder bore of the cylinder. Therefore, the temperature of the cooling water circulating in the cylinder block 11 can be made higher than the temperature of the cooling water circulating in the cylinder head 12, and a cooling loss generated in the cylinder block 11 can be further reduced.SELECTED DRAWING: Figure 1
Patent JP-2023064159-A (JP)
Title: Game machine
Inventor: KIHARA KAISHUN
IPC: A63F5/04
Filed: 2021-10-26
Abstract: To easily check whether or not a movable body unit is electrically connected normally, in relation to a game machine represented by a rotary-drum game machine (slot machine) and a pinball game machine (Pachinko game machine).SOLUTION: Light-emitting means 24ML may emit light by causing induction current to flow due to a counter electromotive force generated by a first motor 110m after manually operating a first movable body 110 in the power interruption state to drive the first motor 110m and may emit light by causing induction current to flow due to a counter electromotive force generated by a third motor 112m after manually operating a third movable body 112 in the power interruption state to drive the third motor 112m. A certain substrate case 220B' is provided at a position where the light from the light-emitting means 24ML reaches (Fig.14(b)).SELECTED DRAWING: Figure 14
Patent JP-2023064969-A (JP)
Title: Method of producing calcium carbonate
Inventor: KEZUKA YUKI
IPC: C01F11/18
Filed: 2021-10-27
Abstract: To provide a method of producing calcium carbonate of a controlled shape and an intended BET specific surface area.SOLUTION: The method of producing calcium carbonate at least includes a step of growing calcium carbonate-particles for accelerating the growth of calcium carbonate particles using an aqueous slurry of calcium carbonate as a raw material, in which in the step of growing calcium-carbonate particles, a substance generating a silicate ion under an alkaline environment is added into the aqueous slurry of calcium carbonate.SELECTED DRAWING: Figure 1
Patent JP-2023065233-A (JP)
Title: Differential device with disconnection mechanism
Inventor: OGURO YUYA
IPC: F16D43/02
Filed: 2021-10-27
Abstract: To provide a structure which can easily switch the adaptability of torque transmission between drive wheels and a power transmission mechanism.SOLUTION: One drive shaft 5a out of a pair of drive shafts 5a, 5b is constituted by combining a first shaft 28 which is connected and fixed to a side gear 9a and a second shaft 29 for supporting drive wheels 6 via a reverse input block clutch 30. When a rotation number of the first shaft 28 is larger than a prescribed value, the reverse input block clutch 30 integrally rotates the first shaft 28 and the second shaft 29, and when the rotation number of the first shaft 28 is equal to or smaller than the prescribed value, the reverse input block clutch makes the first shaft 28 and the second shaft 29 idle with respect to each other.SELECTED DRAWING: Figure 1