baber/WOPTO huggingface dataset:
Patent JP-2022022885-A (JP)
Title: Water level prediction system using artificial intelligence
Inventor: ASO KATSUJI
IPC: G01W1/14
Filed: 2020-07-10
Abstract: To provide a system for predicting a water level with a small amount of information.SOLUTION: A water level prediction system includes a real-time rainfall observation system 2, an artificial intelligence data center 1, and a field water level meter 3. The artificial intelligence data center 1 includes a learning unit 11 which stores past data of water levels observed for several years, a rainfall data receiving unit 12 which receives rainfall data 21 distributed from the real-time rainfall observation system 2, a water level data receiving unit 13 which receives water level data 31 transmitted from the field water level meter 3, and a prediction unit 14 which includes a prediction processing program for predicting future water levels. The prediction processing program compares the past data stored in the learning unit 11 with the rainfall data 21 and the water level data 31 arranged in time series, predicts the water level that can be reached from the current rainfall situation, and distributes a prediction value 15 to an information distribution server 4.SELECTED DRAWING: Figure 1
Patent JP-2022017725-A (JP)
Title: Walking ability evaluation system
Inventor: SHIBATA YOSHIYUKI
IPC: A61H1/02
Filed: 2020-07-14
Abstract: To provide a walking ability evaluation system capable of saving labor required for measuring a walking ability, and rapidly starting measurement of a walking ability.SOLUTION: A walking ability evaluation system comprises: a walking training robot for supporting walking training of a user by moving with the operation of a user; a measurement instruction receiving part for receiving a measurement instruction of the walking ability of the user; a travel data acquisition part for acquiring travel data of the walking training robot moving with the operation of the user when receiving a measurement instruction via the measurement instruction receiving part; and a walking ability evaluation part for evaluating the walking ability of the user based on the travel data acquired via the travel data acquisition part.SELECTED DRAWING: Figure 1
Patent JP-2021037936-A (JP)
Title: Autonomous vehicle user interface with predicted trajectories
Inventor: URANO HIROMITSU
IPC: B60W60/00
Filed: 2020-07-14
Abstract: To provide systems and methods for generating trajectories for a vehicle user interface showing a driver's perspective view.SOLUTION: A method includes: generating an ego-vehicle predicted trajectory for an ego-vehicle; and generating at least one road agent predicted trajectory for a road agent that is external to the ego-vehicle. After the predicted trajectories are generated, the method includes determining that at least one road agent predicted trajectory both (1) exists behind an object, indicating travel behind the object, and (2) overlaps with the object, when displayed on the user interface showing a driver's perspective view. The method includes modifying the at least one road agent predicted trajectory to remove the overlap. The method includes updating a display of the user interface to include any modified road agent predicted trajectory. A system includes a trajectory-prediction module to implement the method.SELECTED DRAWING: Figure 1
Patent JP-2022017967-A (JP)
Title: Internal combustion chamber with auxiliary combustion chamber
Inventor: KOTAKA TAKESHI
IPC: F02M61/14
Filed: 2020-07-14
Abstract: To provide an internal combustion engine with an auxiliary combustion chamber, which ensures supply of a fuel into the auxiliary combustion chamber while suppressing cost.SOLUTION: An auxiliary combustion chamber 25 is exposed to a main combustion chamber 6 and has an inside, to which electrodes 27, 28 of an ignition plug 26 are exposed, and a hollow dome part 25a is formed with a plurality of injection holes 33. An auxiliary injector 34 is disposed at a lower part of a cylinder head 3 across an intake port 8, which injects a fuel toward the auxiliary combustion chamber 25 via an outlet portion of the intake port 8. The auxiliary injector 34 is not exposed to the auxiliary combustion chamber 25 and to the main combustion chamber 6, and therefore, an inexpensive injector can be used. Accordingly, cost can be suppressed. It is preferable to perform a fuel injection by the auxiliary injector 34 at the time when a piston lies in the vicinity of a bottom dead center and a flow of intake air almost stops.SELECTED DRAWING: Figure 4
Patent JP-2020173279-A (JP)
Title: Total protein measurement using whole blood refractometry
Inventor: ETAHN SCHONBRUN
IPC: G01N21/41
Filed: 2020-07-21
Abstract: To measure total protein in plasma without separating the plasma from a whole blood sample.SOLUTION: An optical system and a method for quantifying total protein in whole blood or other multiphase liquid and colloidal suspensions use refractometry without preliminary steps such as cell separation or centrifugation. A refractometer is integrated with a flow cell to enable a refractive index of a flowing sample to be measured on the basis of a substantially cell free boundary layer of the sample that is present under certain flow conditions, dimensions of the flow cell are selected to produce a cell free layer in a flow of whole blood, the cell free layer is thick enough to reduce scattering of light from a refractometer light source. A numerical method is used to compensate for scattering artifacts. A numerical compensation method is based on a slope and a width of a peak in a derivative curve of an angular spectrum image of the flowing sample produced by refractometry.SELECTED DRAWING: Figure 5
Patent JP-2022021822-A (JP)
Title: Light detection device
Inventor: MURAMATSU MASANORI
IPC: G01S7/481
Filed: 2020-07-22
Abstract: To provide a light detection device that can prevent generation of heat in an APD due to incidence of light and damage to a reading circuit according to a variation in voltage.SOLUTION: A first terminal 61 is connected with a first electrode 11a of an APD 11. A first circuit unit 64 and a second circuit unit 65 are connected with a second electrode 11b of the APD in parallel to each other. A second terminal 62 is connected with the second electrode through the first circuit unit. A third terminal 63 is connected with the second electrode through the second circuit unit. A first switch 66 and a resistor 68, and the second electrode and the second terminal are connected in series with each other. A second switch 67 and a capacitor 69 are connected with the second electrode in parallel to each other. The second switch, the second electrode, and the third terminal are connected in series with each other. A TIA 71 is connected in series with the capacitor and is connected with the second electrode through the capacitor.SELECTED DRAWING: Figure 5
Patent JP-2021044797-A (JP)
Title: Ar photographing and recording bidirectional system
Inventor: CHIU LI-CHUAN
IPC: G07F17/26
Filed: 2020-07-22
Abstract: To provide a photographing and recording system which is easy to operate, which increases interest in photographing by enabling interaction with a user, and satisfies user needs.SOLUTION: An AR photographing and recording bidirectional system 1 includes a management module 11, an operation module 12, a display module 13, and a photographing and recording module 14. The imaging and recording module includes a detection unit 141. Also, the imaging and recording module captures and records a dynamic image of a user. The detection unit detects and user's 3D dynamic information and transmits it to the management module. When 3D dynamic information is received, the management module is synchronizing and matching with virtual condition data and a virtual object which the user called, by mounting or associating on the dynamic image of the user, a dynamic virtual image is built, the dynamic virtual image is displayed on the display module, and the dynamic virtual image is stored.SELECTED DRAWING: Figure 2
Patent JP-2021024777-A (JP)
Title: Biocatalyst-containing substance, manufacturing apparatus of biocatalyst-containing substance and manufacturing method of biocatalyst-containing substance
Inventor: IWASAKI KOJI
IPC: C01B33/18
Filed: 2020-07-28
Abstract: To provide a biocatalyst-containing substance with high efficiency in valuable material production while excellent in durability to an external force.SOLUTION: A biocatalyst-containing substance includes a droplet containing a biocatalyst and a composite particle coating a surface of the droplet, and has a number average particle diameter d50c of 10 to 1,000 μm. The droplet is a solution containing water by 15 mass% or more. The composite particle includes a hydrophobic solid particle B on a surface of a hydrophobic solid particle A.SELECTED DRAWING: Figure 3A
Patent JP-2022024573-A (JP)
Title: Device and method of abnormality detection for rolling bearings
Inventor: YOSHIDA TOYOMI
IPC: G01H17/00
Filed: 2020-07-28
Abstract: To provide a device and a method of abnormality detection for rolling bearing capable of calculating the rotational speed of a rotary machine which is supported by rolling bearings and whose rotational speed changes.SOLUTION: An abnormality detection device comprises: a vibration detector 15 that detects vibration of rolling bearings 20 supporting a rotary machine 30 whose rotational speed changes; a data acquisition unit 11 that acquires a waveform in a time domain of the vibration detected by the vibration detector 15; a rotational speed calculation unit 12 that finds the envelope of the waveform in the time domain, converts the waveform of the envelope into intensity distribution data in a frequency domain, and finds the rotational speed of the rotary machine 30 using the intensity distribution data in the frequency domain; and an abnormality specifying unit 13 that specifies abnormal components of the rolling bearings 20 using the rotational speed found by the rotational speed calculation unit 12, and the characteristic frequency of the rolling bearings 20. The rotational speed calculation unit 12 finds, from the intensity distribution data in the frequency domain, vibration intensities at a plurality of frequencies proportional to the reference frequency in a predetermined range, and finds the rotational speed using the found intensities.SELECTED DRAWING: Figure 1
Patent JP-2021026007-A (JP)
Title: Monitoring device and monitoring system
Inventor: SHIOYA SHUNSUKE
IPC: G01P15/18
Filed: 2020-07-30
Abstract: To easily and accurately detect a timing to recommend sharpening of a knife.SOLUTION: A monitoring device 10, which monitors a timing to recommend sharpening of a knife 2, includes a joint part (magnet) 11A joined to a knife 2; an acceleration detection unit for detecting the acceleration of the knife 2; a calculation unit for calculating the amount of damage on the knife 2 showing the integrated amount of the damage that was given to the knife 2 by impact on the knife 2 when the knife was used, on the basis of the acceleration of the knife 2; and a notification unit for notifying a user of the timing to recommend sharpening of the knife 2 on the basis of the damage amount.SELECTED DRAWING: Figure 2
Patent JP-2022029731-A (JP)
Title: Wiring board and component built-in wiring board
Inventor: WU YOUHONG
IPC: H05K3/46
Filed: 2020-08-05
Abstract: To improve the quality of a wiring board and a component built-in wiring board.SOLUTION: A wiring board 100 of an embodiment includes a first insulation layer 21, a first conductor layer 11 formed on a surface 21a of the first insulation layer 21, and a second insulation layer 22 laminated on the surface 21a of the first insulation layer 21 and the first conductor layer 11. The first conductor layer 11 includes a component mounting pad 110 including a component mounting area A where a component E mounted on the wiring board 100 is placed, the second insulation layer 22 includes a through hole 221 exposing the component mounting area A, and the component mounting pad 110 is separated from the surface 21a of the first insulation layer 21 at an edge of the component mounting pad 110. A component built-in wiring board of an embodiment includes the wiring board 100, an electronic component E mounted in the component mounting area A on the component mounting pad 110, and a fourth insulation layer laminated on the opposite side to the first insulation layer 21 at the second insulation layer 22, the fourth insulation layer sealing the electronic component E.SELECTED DRAWING: Figure 1
Patent JP-2021041398-A (JP)
Title: Agitation blade and agitation device
Inventor: NISHIKAWA HIROSHI
IPC: B01F7/18
Filed: 2020-08-06
Abstract: To provide an agitation blade and agitation device capable of achieving sophistication of dispersion and blending of a targeted object having high viscosity.SOLUTION: There is provided an agitation blade A1 which is installed to an agitation device to be rotated around an axial direction z. The blade comprises a base 1 installed to the pivot of the agitation device, and plural blade parts 2 installed radially to the base 1. The blade part 2 includes a first blade part 2A having a root part 21 connected to the base 1 and a tip part 22 connected to the root part 21 at a side opposite to the base 1. A first angle α1 formed by a circumferential direction θ and the root part 21 leans to be located at one side in an axial direction z as heading for the front in the circumferential direction θ, and an absolute value of a third angle α3 formed by a radial direction r and the tip part 22 is 60° or more but 100° or less. The absolute value of a fourth angle α4 formed by the circumferential direction θ and the tip part 22 in view of the axial direction z is 0° or more but 25° or less when defining a case of leaning to be located inward in the radial direction r as heading for the front in the direction θ as positive.SELECTED DRAWING: Figure 3
Patent JP-2023130538-A (JP)
Title: Positive electrode additive for electrochemical element, composition for electrochemical element positive electrode, positive electrode for electrochemical element, and electrochemical element containing the same
Inventor: NISHIMURA NOBUYUKI
IPC: H01M4/62
Filed: 2020-08-17
Abstract: To provide an additive for an electrochemical element positive electrode that can improve the conductivity of a positive electrode, reduce electrode resistance, and suppress a decrease in discharge capacity during repeated charging and discharging, and a composition for an electrochemical element positive electrode containing the same.SOLUTION: An additives for an electrochemical element positive electrode includes a porous carbon material, the minimum value of the pore radius frequency distribution expressed by the following formula (1) when the specific surface area is 2500 to 3300 m2/g by the BET method and the pore radius is measured in the range of 0.5 to 2.5 nm by the water vapor adsorption method is greater than or equal to 1. The pore radius frequency distribution=ΔV/ΔLog r (1). (In the formula (1), V is the pore volume (cc/g) and r is the pore radius (Å)).SELECTED DRAWING: None
Patent JP-2022033472-A (JP)
Title: Fire hose and fire hydrant device having the fire hose
Inventor: FUJIWARA KAZUNORI
IPC: F16L11/12
Filed: 2020-08-17
Abstract: To provide a fire hose which can withdraw remaining water in a wound state without pulling out the hose, and a fire hydrant device having the fire hose.SOLUTION: A fire hose 11 related to this invention, being a fire hose 11 accommodated in a hose accommodation part 12 which is arranged in a box body 3 of a fire hydrant device 1 while being folded inward is composed of a double-structure of an inside hose 11b and an outside hose 11a, and has drain holes in positions which are different in a hose peripheral direction and/or a hose axial line direction at peripheral walls of the inside hose 11b and the outside hose 11a. When water is conducted to the inside hose 11b, the inside hose 11b abuts on the outside hose 11a by hydraulic pressure, and the drain holes are blocked. When the hydraulic pressure is lowered, a clearance is formed between the inside hose 11b and the outside hose 11a, and water in the inside hose 11b is discharged from the drain holes.SELECTED DRAWING: Figure 1
Patent JP-2022034301-A (JP)
Title: Waterproofing agent discharging device, and method of using waterproofing agent discharging device
Inventor: HASEGAWA KIICHI
IPC: E21D11/38
Filed: 2020-08-18
Abstract: To provide a waterproofing agent discharging device that can complete water sealing of cracks in a short time.SOLUTION: A waterproofing agent dispensing device 1 has a container and a device body 3. The container has a container body 7 having an opening 6 and a lid capable of closing the opening 6, and a waterproofing agent S is stored in the container body 7. With the opening 6 of the container body 7 connected to an inlet 5, the device body 3 can cause the waterproofing agent S stored in the container body 7 to flow from the inlet 5 toward the discharge port 4 and be discharged from the discharge port 4. The waterproofing agent S is a polyurethane resin composition comprising an isocyanate group-containing compound, a hydroxyl group-containing compound, and a catalyst, with an isocyanate group-containing compound content (NCO%) of 4% or more.SELECTED DRAWING: Figure 1
Patent JP-2022035009-A (JP)
Title: Closing device
Inventor: KATAYAMA TAKESHI
IPC: B23K20/08
Filed: 2020-08-20
Abstract: To provide a closing device capable of properly closing an opening portion of metal.SOLUTION: A closing device 1 closes an opening portion M of metal S. The closing device 1 is equipped with a plug 2 inserted in the opening portion M, a deflagration material 3 disposed in the plug 2, and a detonating portion 4 that detonates the deflagration material 3 to deflagrate. The plug 2 is further equipped with a cylinder portion 20 that increases a diameter by the deflagration of the deflagration material 3, and a bottom portion 28 that seals one end portion of the cylinder portion 20. The closing device 1 is further equipped with a locking member 5 locked to the other end portion of the cylinder portion 20.SELECTED DRAWING: Figure 1
Patent JP-2022035558-A (JP)
Title: Method of manufacturing deep ultraviolet led
Inventor: KAI MASAYA
IPC: H01L21/304
Filed: 2020-08-21
Abstract: To provide a method of manufacturing LEDs emitting deep ultraviolet light.SOLUTION: A method includes: a primitive wafer production step of producing an N-type low resistance AlN ingot, and cutting the ingot along a c-plane with reference to the bottom of the low resistance AlN ingot to produce a primitive wafer 6; a substrate preparation step of preparing a substrate having an inclined surface corresponding to an off-angle to be formed from the c-plane; a holding step of attaching the primitive wafer to the inclined surface of the substrate and holding the substrate on the holding surface of a chuck table 12 of a grinding device 10; a first grinding step of grinding a top face 6a of a primitive wafer with a grinding wheel 26 to make the top face parallel to the holding surface, the grinding wheel having a grinding trajectory parallel to the holding surface; a second grinding step of grinding an underside 6b of a primitive wafer with the grinding wheel to make the underside parallel to the holding surface and producing a product wafer 6'; an N-type high resistance AlN layer formation step of forming an N-type high resistance AlN layer on the top face 6a' or on the underside 6b' of the product wafer; and a P-type high resistance AlN layer formation step of forming a P-type high resistance AlN layer on the top face of the N-type high resistance AlN layer.SELECTED DRAWING: Figure 6
Patent JP-2022042816-A (JP)
Title: Cooling water system control method, and cooling water system control apparatus
Inventor: TAGUMA YASUHIDE
IPC: F28G9/00
Filed: 2020-09-03
Abstract: To provide a cooling water system control method and a cooling water system control apparatus capable of efficiently injecting a chemical agent in controlling an injection rate of the chemical agent to circulating cooling water based on an LTD value in a cooling water system equipped with a cooling tower and a refrigerator.SOLUTION: A cooling water system control method controls a cooling water system 1 equipped with a cooling tower 10 for performing heat exchange using circulating cooling water and a refrigerator 12 having a condenser 24 for performing heat exchange between the circulating cooling water and a cooling medium. An injection rate of a chemical agent to the circulating cooling water is controlled based on an LTD value calculated as [outlet temperature of the cooling medium minus outlet temperature of the circulating cooling water] from the outlet temperature of the cooling medium and the outlet temperature of the circulating cooling water in the condenser 24. When the calculated LTD value exceeds an upper limit for a predetermined time, the injection rate of the chemical agent to the circulating cooling water is increased for a predetermined time by forced injection of the chemical agent.SELECTED DRAWING: Figure 1
Patent JP-2021020254-A (JP)
Title: Preform solder and solder-bound body formed using the preform solder
Inventor: NISHIMURA TETSURO
IPC: B23K35/26
Filed: 2020-09-10
Abstract: To provide a preform solder capable of forming a solder-bound part excellent in heat resistance, thermal conductivity, and reliability, compared with conventional products, and also to provide a solder-bound body having such a solder-bound part.SOLUTION: The preform solder comprises: a lead-free solder containing Sn as a main component; and metal particles having a melting point higher than that of the lead-free solder. The metal particles are formed of a Cu-Ni alloy containing 0.1-90 mass% of Ni or a Cu-Co alloy containing 0.1-90 mass% of Co. When the metal particles are formed of the Cu-Ni alloy, the lead-free solder may contain Ni. When the metal particles are formed of the Cu-Co alloy, the lead-free solder contains Ni, and (Cu, Ni)6Sn5 is formed on surfaces of the metal particles.SELECTED DRAWING: Figure 1
Patent JP-2022047216-A (JP)
Title: Vacuum pump
Inventor: YAMAMOTO KOJI
IPC: B60T17/00
Filed: 2020-09-11
Abstract: To suppress precipitation of a freezing preventive agent in an exhaust passage.SOLUTION: A vacuum pump 2 includes a pump chamber 3, and an exhaust passage 6 which includes an exhaust port 5 opened to the atmosphere and guides gas from the pump chamber 3 to the exhaust port 5. A wall surface 20 forming the exhaust passage 6 includes a first area 21, and a second area 23 positioned in a downstream side of the first area 21 in the exhaust passage 6 and having higher water-repellency than the first area 21.SELECTED DRAWING: Figure 2
Patent JP-2022049615-A (JP)
Title: Power supply device
Inventor: SUHARNAN SIVASUNDARAM
IPC: H02J7/00
Filed: 2020-09-16
Abstract: To improve the versatility and convenience of a plurality of stackable power supply units, including rechargeable batteries.SOLUTION: A power supply device (1) includes at least one of power supply units (11, 12, 13) with a built-in battery that has a charging side connector connected through a charging line, a discharging side connector connected through a discharging line, can be charged through the charging line, and can be discharged through the discharging line, and the plurality of power supply units can be stacked through the charging side connector and the discharging side connector. The power supply unit includes at least one of an AC power converter that is connected to the discharge line and outputs AC power, and a DC power converter that is connected to the discharge line and outputs DC power.SELECTED DRAWING: Figure 1