baber/WOPTO huggingface dataset:
Patent JP-2021057665-A (JP)
Title: Communication quality deterioration location estimation device, communication quality deterioration location estimation method, and communication quality deterioration location estimation program
Inventor: SHINDO TADASHI
IPC: H04L12/70
Filed: 2019-09-27
Abstract: To efficiently and accurately estimate a communication quality deterioration location in a communication system in which a number of communication paths are constituted by a number of communication controllers and the communication paths change dynamically.SOLUTION: A communication quality deterioration location estimation device 50 comprises: an acquisition unit 51 that acquires information 510 on communication delay time of communication data at a plurality of observation points 71 that are set on one or more communication paths between communication terminal devices 61 and 62 and are classified into groups 70 on the basis of similarity of logical positional relationship between the communication terminal devices 61 and 62; a calculation unit 52 that on the basis of the information 510 on communication delay time for each group 70, calculates a characteristic value 520 representing a degree of dispersion of values of communication delay time on a plurality of pieces of communication data; and an estimation unit 53 that identifies a specific group having a characteristic value 520 satisfying a criterion and estimates that deterioration in communication quality has occurred at a location including an observation point 71 belonging to the specific group on the communication paths.SELECTED DRAWING: Figure 15
Patent JP-2021055884-A (JP)
Title: EGR cooler
Inventor: SUMIUCHI KOTARO
IPC: F28D1/06
Filed: 2019-09-27
Abstract: To provide an EGR cooler having excellent heat exchange efficiency between an exhaust gas and a cooling medium.SOLUTION: An EGR cooler includes: a cylindrical shell having an internal space through which a cooling fluid passes; a tube which is disposed in parallel to an axial direction of the shell at the internal space and through which an exhaust gas passes; an annular cooling fluid supply chamber which contacts with one axial end of the shell, forms a chamber space with an outer peripheral surface of the shell, and supplies the cooling fluid to the internal space from the chamber space; and a communication hole which allows the chamber space and the internal space to communicate with each other at the one axial end side of the shell. At least a part of the communication hole is formed by the cooling fluid supply chamber.SELECTED DRAWING: Figure 2
Patent JP-2021063870-A (JP)
Title: Fixing member and manufacturing method therefor
Inventor: AKIYAMA NAOKI
IPC: B24C1/06
Filed: 2019-10-11
Abstract: To solve the problem that a fluororesin tube on a surface layer of a fixing member tends to come off when stretching the fluororesin tube in a longitudinal direction.SOLUTION: A contact surface of a claw for holding a fluororesin tube is made wavy or blasted to enhance gripping force.SELECTED DRAWING: Figure 9
Patent JP-2021062939-A (JP)
Title: Sheet conveyance device and image forming apparatus
Inventor: SAWADA KENJI
IPC: B65H5/00
Filed: 2019-10-11
Abstract: To provide a sheet conveyance device capable of preventing a foreign substance retrieved from a pair of conveyance rollers that can be pressure-welded to and separated from each other from entering a conveyance path when the pair of conveyance rollers are separated from each other, and an image forming apparatus.SOLUTION: In a registration roller unit 100 capable of pressure-welding and separating a driven roller 101 to and from a driving roller 102, a foreign substance removal mechanism makes a long side 302a of a second foreign substance removal member 302 contact an outer peripheral surface of the driven roller 101 to scrape a foreign substance such as paper powder and wipe the remaining foreign substance by a first foreign substance removal member 301. The foreign substance removal mechanism further includes a third foreign substance removal member 201, and makes a distal end 201a of the third foreign substance removal member 201 contact the outer peripheral surface of the driven roller 101. Thus, the foreign substance removal members 301 and 302 and a conveyance path 104 are separated from each other. Therefore, a foreign substance that drops from the foreign substance removal members 301 and 302 is prevented from entering the conveyance path 104.SELECTED DRAWING: Figure 5
Patent JP-2021067537-A (JP)
Title: Visual inspection device and defect inspection method
Inventor: HAYASHI SHINGO
IPC: G01N21/956
Filed: 2019-10-23
Abstract: To provide a technology that enables a solder protrusion defect to be more accurately determined in a visual inspection device for acquiring an image of the inspection area of an inspection object and measuring the height of a prescribed point in the inspection area by a height measuring device.SOLUTION: A visual inspection device comprises: an imaging unit (3) for imaging an inspection area on an inspection object (30); a height measurement unit (20) for emitting measurement light and receiving its reflected light and thereby measuring the height of a prescribed point in the inspection area; a movement mechanism (5) for moving the imaging unit (3) and the height measurement unit (20) relatively to the inspection object; and a determination unit for determining the presence of a defect of the inspection object in the inspection area on the basis of the image of the inspection area and the height information of the prescribed point. When the measurement light emitted from the height measurement unit (20) is radiated to a restriction area (M) of the inspection object, the determination unit is restricted from determining a defect on the basis of the height information of the prescribed point that is measured by the height measurement unit (20).SELECTED DRAWING: Figure 7
Patent JP-2021067855-A (JP)
Title: Printing system
Inventor: TANI YOSHIAKI
IPC: B41J29/46
Filed: 2019-10-25
Abstract: To provide a printing system capable of solving a disadvantage in conventional systems that, a deviation of the print position is detected in each page after printing the printed matter, and the post-processing settings are adjusted for each page whose deviation is greater than or equal to a specified value; however, when a misalignment is generated on the printed matter, there was a problem that items that had already been printed had to be discarded.SOLUTION: A warning to adjust the print position is issued before executing printing, and it is possible of determining whether the print position should be adjusted before printing. With this, the occurrence of print misalignment can be prevented in advance and the generation of waste sheets can be suppressed.SELECTED DRAWING: Figure 8
Patent JP-2020076082-A (JP)
Title: Resin composition
Inventor: FUKUSHIMA NAOYA
IPC: C08L1/02
Filed: 2019-10-28
Abstract: To provide a resin composition that makes it possible to obtain a molding having both rigidity and a good appearance.SOLUTION: This resin composition contains a first thermoplastic resin, a second thermoplastic resin, and cellulose fibers. The weight average molecular weight of the second thermoplastic resin is lower than the weight average molecular weight of the first thermoplastic resin.SELECTED DRAWING: None
Patent JP-2021069618-A (JP)
Title: Game machine
Inventor: SUZUKI RINA
IPC: A63F7/02
Filed: 2019-10-30
Abstract: To provide a game machine capable of enhancing interest in a game in a read-ahead performance.SOLUTION: A game machine includes pattern row control means for controlling plural pattern rows, each of the plural pattern rows includes plural kinds of decorative patterns for simulating figures, the pattern row control means can execute a specific read-ahead performance using a pattern combination composed of plural pattern rows stopped and displayed for each pattern variation, the specific read-ahead performance is configured so as to be executable over plural continuous pattern variations before an object pattern variation and is a performance for allowing a result of winning/losing determination in the object pattern variation to make one expect a jackpot, and a unit total value as a total value for each pattern variation of a figure simulated by a decorative pattern for composing a pattern combination to be stopped and displayed decreases monotonously for each progress of a pattern variation or monotonously increases for each progress of a pattern variation.SELECTED DRAWING: Figure 12
Patent JP-2021077926-A (JP)
Title: Semiconductor device and operation method for the same
Inventor: KISHIYAMA EIJI
IPC: H03K19/0175
Filed: 2019-11-05
Abstract: To suppress the influence from a process, temperature, and voltage about a waveform characteristic output from a differential output circuit.SOLUTION: A semiconductor device includes a first output circuit that outputs a first signal included in a differential output signal, a first circuit that controls the output waveform of the first output circuit, a second output circuit that outputs a second signal included in the differential output signal, a second circuit that controls the output waveform of the second output circuit, a first comparator that outputs a first status signal expressing whether the first signal is in a predetermined voltage range, a second comparator that outputs a second status signal expressing whether the second signal is in the predetermined voltage range, and an adjustment control circuit that receives the first status signal and the second status signal. The adjustment control circuit controls the first and second circuits on the basis of the first status signal and the second status signal.SELECTED DRAWING: Figure 2
Patent JP-2020028726-A (JP)
Title: Apparatus and methods for computing cardiac output of living subject via applanation tonometry
Inventor: OLIVER GOEDJE
IPC: A61B5/029
Filed: 2019-11-05
Abstract: To provide apparatus and methods for calculating cardiac output (CO) of a living subject using applanation tonometry measurements.SOLUTION: In one embodiment, the apparatus and methods build a nonlinear mathematical model to correlate physiologic source data vectors with target CO values. The source data vectors include one or more measurable or derivable parameters such as: systolic and diastolic pressure, pulse pressure, beat-to-beat interval, mean arterial pressure, the maximal slope of the pressure rise during systole, the area under systolic part of the pulse pressure wave, gender (male or female), age, height and weight. The target CO values are acquired using various methods, across a plurality of individuals. Multidimensional nonlinear optimization is then used to find a mathematical model which transforms the source data to the target CO data. The model is then applied to an individual by acquiring physiologic data on the individual and applying the model to the collected data.SELECTED DRAWING: Figure 4
Patent JP-2020088853-A (JP)
Title: Method and apparatus for releasing preset uplink resource configuration in wireless communication system
Inventor: SHIH TUN-HUAI
IPC: H04W76/28
Filed: 2019-11-06
Abstract: To provide a method and an apparatus for releasing a preset uplink resource configuration in a wireless communication system.SOLUTION: A user apparatus (UE) receives a configuration of a preset uplink resource (PUR) when the UE is in a first RRC_CONNECTED state. The UE enters a first RRC_IDLE state from the first RRC_CONNECTED state. The UE performs first transmission using the PUR when the UE is in the first RRC_IDLE state. The UE enters a second RRC_CONNECTED state from the first RRC_IDLE state. The UE suspends the configuration when the UE is in the second RRC_CONNECTED state. The UE resumes the configuration when the UE enters a second RRC_IDLE state from the second RRC_CONNECTED state. The UE performs second transmission using the PUR when the UE is in the second RRC_IDLE state.SELECTED DRAWING: Figure 18
Patent JP-2021077550-A (JP)
Title: Method for manufacturing fuel cell separator
Inventor: HAYASHI HIROAKI
IPC: H01M8/0213
Filed: 2019-11-12
Abstract: To provide a method for manufacturing a fuel cell separator in which excess carbon black remaining on the surface of a metal material is removed.SOLUTION: A method for manufacturing a fuel cell separator includes a cleaning tank that can store liquid, a transport unit by which a plate-shaped metal material for a fuel cell separator obtained by firing the metal material after carbon black is coated on the surface of the metal material is transported in the cleaning tank in which liquid is stored with the surface of the metal material facing vertically, an ultrasonic irradiation unit that irradiates the metal material transported in the cleaning tank with ultrasonic waves from below, and a liquid injection nozzle that causes a liquid flow in a direction intersecting a transport direction with respect to at least a lower side of an upper side and the lower side of the metal material transported in the cleaning tank.SELECTED DRAWING: Figure 1
Patent JP-2021080496-A (JP)
Title: Method for producing non-oriented magnetic steel sheet
Inventor: MURAKAWA TESSHU
IPC: H01F1/147
Filed: 2019-11-15
Abstract: To provide a method for producing non-oriented magnetic steel sheet in which an excellent magnetic property can be obtained for the whole circumference average (omnidirectional average).SOLUTION: The method includes: a step of performing a hot rolling on a steel material that has a chemical composition capable of causing α-γ transformation and containing, in mass%, C: 0.010% or less, Si: 1.50% to 4.00%, sol.Al: 0.0001% to 1.0%, S: 0.010% or less, N: 0.010% or less, and one or more selected from the group consisting of Mn, Ni, Co, Pt, Pb, Cu, Au: 2.50% to 5.00% in total and the balance consisting of Fe and impurities, to produce a hot-rolled steel sheet; a step of performing a cold rolling on the hot rolled steel sheet; and a step of performing an annealing after the cold rolling, and in which, the final pass of finish rolling during the hot rolling is performed at a temperature of Ar1 or more, and the cold rolling is performed at a rolling reduction of 93 to 97%.SELECTED DRAWING: None
Patent JP-2021078709-A (JP)
Title: Game machine
Inventor: OGURA TOSHIO
IPC: A63F7/02
Filed: 2019-11-19
Abstract: To provide a game machine capable of achieving sound game properties by suppressing a speculative mind.SOLUTION: Variable display execution means can select a special variable display period in which a variable display period is equal to or more than a predetermined period on the basis of satisfaction of a special condition regarding a first reservation memory, a first display period as a display period when a specific result regarding control of an advantageous state as a display result of variable display in a special state is longer than a second display period as a display period when a specific result is displayed in a non-special state, and specific output means can execute specific output capable of identifying the fact that a game medium should be shot toward a specific path in which a first passage area is provided during the first display period, and further includes special performance execution means capable of executing a special performance differing from a performance executed during the second display period during the first display period.SELECTED DRAWING: Figure 8-24
Patent JP-2021082200-A (JP)
Title: Information processing system, method, and program
Inventor: YAGUCHI YUKI
IPC: G05B19/418
Filed: 2019-11-22
Abstract: To improve accuracy of an amount of operation relating to a production process.SOLUTION: An information processing system comprises: a data aggregation unit that aggregates data relating to production of an article; a quality prediction unit that predicts a quality of the article by using machine learning based on the data; an operation amount calculation unit that calculates an amount of operation relating to a production process necessary for producing an article of a predetermined quality based on the predicted quality; an anomaly detection unit that determines presence or absence of an anomaly in the amount of operation by using machine learning; and a process operation instruction unit that outputs an amount of operation having no anomaly.SELECTED DRAWING: Figure 3
Patent JP-2021085562-A (JP)
Title: Heating cooker
Inventor: NAKAO HARUKA
IPC: F24C15/00
Filed: 2019-11-25
Abstract: To propose a heating cooker which enables improvement of operability of an operation part for operating a heating part.SOLUTION: A heating cooker 1 includes a housing 2, a heating part 3, an upper panel 4, a lower panel 5, an upper operation part 6, and a lower operation part 7. The upper panel 4 covers a part as seen in a vertical direction of a front surface 200 of the housing 2. The lower panel 5 covers the other part as seen in the vertical direction of the front surface 200 and is located below the upper panel 4. The upper operation part 6 is provided at a rear side of the upper panel 4, and the lower operation part 7 is provided at a rear side of the lower panel 5. The upper panel 4 and the lower panel 5 are attached to the housing 2 so as to rotate around their lower parts. The upper panel 4 may move between an operation position where the upper operation part 6 is located at an outer side of the housing 2 and exposed and a storage position where the upper operation part 6 is located at an inner side of the housing 2. The lower panel 5 may be moved between an operation position where the lower operation part 7 is located at the outer side of the housing 2 and exposed and a storage position where the lower operation part 7 is located at the inner side of the housing 2.SELECTED DRAWING: Figure 1
Patent JP-2020056793-A (JP)
Title: Electronic apparatus and program
Inventor: NISHIMURA SHINICHI
IPC: G01C21/26
Filed: 2019-11-26
Abstract: To provide an electronic apparatus capable of issuing an alarm desired by a user.SOLUTION: An electronic apparatus has an alarm function in which, when an alarm condition is satisfied during display of a standby screen such as a surrounding map of a current position on a display part 5 of the electronic apparatus, alarm displays 36a-36e that show, by characters, information of an alarm object satisfying the alarm condition in, for example, a pentagonal slender region are displayed in the state in which the alarm displays are overlaid on the standby screen. The alarm function can simultaneously display a plurality of alarm display on the display part, and outputs the information of different alarm objects to each alarm display. The display positions of the plurality of alarm display are set as predetermined fixed positions.SELECTED DRAWING: Figure 6
Patent JP-2021085460-A (JP)
Title: Hydraulic circuit device
Inventor: SASAKI YUICHI
IPC: F15B3/00
Filed: 2019-11-27
Abstract: To provide a hydraulic circuit device capable of executing high-speed valve control without increasing the capacity of a device, and capable of suppressing deterioration in plant efficiency.SOLUTION: When performing a rapid opening operation that closes a steam valve more rapidly than when performing a normal opening operation on the steam valve, a switching valve V95 switches from a state in which an accumulator 92 and a primary side port P941 are cut off to a state in which the accumulator 92, the primary side port P941 are in communication with each other, to supply hydraulic oil from the accumulator 92 to the primary port and supply hydraulic oil from a secondary port P942 to a drive device 80b.SELECTED DRAWING: Figure 1B
Patent JP-2021086450-A (JP)
Title: In-vehicle update apparatus, update processing program, and update method
Inventor: KODAMA YUICHI
IPC: G06F13/00
Filed: 2019-11-28
Abstract: To provide an in-vehicle update apparatus, and the like, configured to improve availability of communication between the in-vehicle update apparatus and an external server located outside a vehicle to provide an update program.SOLUTION: An in-vehicle update apparatus 2 includes a control unit for controlling processing to update a program of an in-vehicle ECU 3, and it is communicably connected to an external server 100 by a plurality of communication paths. The communication paths include a communication path using a charge control apparatus 7 that controls a charger 9 charging the vehicle C and located outside a vehicle C which can communicate with the external server 100, and a communication path using an external communication device 1 which is mounted on the vehicle C and can communicate with the external server 100. The control unit selects one of the communication paths, and acquires an update program from the external server 100 through the selected communication path.SELECTED DRAWING: Figure 1
Patent JP-2020105163-A (JP)
Title: Method for producing fluoro alkoxide
Inventor: HOSHIYA NAOYUKI
IPC: C07C211/63
Filed: 2019-11-29
Abstract: To provide a method for producing fluoro alkoxide excellent in the number of steps, reagent stability or the like compared to the conventional method.SOLUTION: A method for producing a compound represented by the formula (1) (where R1 is a fluoroalkyl group which may have an oxygen atom between carbon atoms, or a fluoro alkoxy group may have an oxygen atom between carbon atoms, and each R2 is the same or different to represent a hydrocarbon group) has a step of reacting a compound represented by formula (2) (where R1 is as defined as above) with a compound represented by formula (3) (where R2 is as defined as above).SELECTED DRAWING: None
Patent JP-2021086991-A (JP)
Title: Etching device and etching method
Inventor: OBARA YASUTSUGU
IPC: H01L21/683
Filed: 2019-11-29
Abstract: To make the thickness of an object to be etched to a target thickness with high accuracy.SOLUTION: An etching device that etches an object to be etched on a silicon wafer 1 includes a plasma device, a process gas supply device, a measuring device that measures the thickness of the object to be etched, a moving device that moves the object to be etched in a main scanning direction A and a sub-scanning direction B, and a control devices that control the operation of the plasma device, the measuring device, and the moving device, where the object to be etched after etching the object to be etched is moved at least in the sub-scanning direction, and subsequent etching is performed on the basis of the result of measuring the thickness of the object to be etched in a region along the sub-scan direction.SELECTED DRAWING: Figure 2
Patent JP-2020094041-A (JP)
Title: Synthesis of metal salt compound accumulation body of phenylazomethine-type dendrimer and production method of subnanoparticle
Inventor: TAKADA KENJI
IPC: C07C251/24
Filed: 2019-11-29
Abstract: To provide a novel phenylazomethine-type dendrimer accumulation body on which a metal salt compound is accumulated, and to provide a production method of subnanoparticles.SOLUTION: A compound having a cyclic structure represented by next formula (I) on which a metal salt compound is accumulated is disclosed. (In formula, M-R represents the metal salt compound, M represents the metal atom, and R represents a residual chemical structure. The cyclic structure is formed between an imine nitrogen atom and a carbon atom forming an azomethine bond in a phenylazomethine structure and a phenyl ring bonding to the carbon atom and the metal atom M of the metal salt compound.)SELECTED DRAWING: None