baber/WOPTO huggingface dataset:
Patent JP-2021133311-A (JP)
Title: Sand filtration unit of sand filter apparatus
Inventor: SAITO SHINYA
IPC: B01D24/00
Filed: 2020-02-27
Abstract: To obtain a sand filtration unit which can suppress effects the introduced sample water exercises on filter sands.SOLUTION: A sand filtration unit 1, which is a sand filtration unit of a sand filter apparatus which filters sample water S supplied to an analyzer by use of filter sands 20, has; a cylindrical member 11, a lower part of which is to be filled with the filter sands; and an introduction member 30 which is located above the filter sands, and introduces the sample water into the cylindrical member. The introduction member includes: a first introduction part 321 which guides the sample water toward below from above; and a second introduction part 323 which guides the sample water from the first introduction part in a horizontal direction or above the horizontal direction. The second introduction part has: an opening end face 323a which is perpendicular to a central axis L323 of the second introduction part; and an inclined opening end face 323b which is continuous with the opening end face, and is oriented obliquely upward with respect to the horizontal direction when viewed from the opening end face side.SELECTED DRAWING: Figure 3
Patent JP-2021141677-A (JP)
Title: Electronic circuit, module, and system
Inventor: YOSHIDA YOSHIFUMI
IPC: H02J50/20
Filed: 2020-03-03
Abstract: To provide a convenient electronic circuit that can change a switch with electric power obtained from a weak radio wave.SOLUTION: An electronic circuit comprises: a switch that is connected between a power supply that outputs a DC power and a load that is driven by the DC power supplied from the power supply, and changes the connection state of the power supply and the load from a non-conduction state to a conduction state; a power conversion circuit that includes a power input terminal that receives input of electric power obtained from a radio wave received by an antenna and a DC power output terminal that outputs the DC power, and converts the electric power input to the power input terminal into the DC power and outputs the DC power from the DC power output terminal; and a control circuit that, when the power conversion circuit outputs the DC power, controls the connection state of the switch to the conduction state. The power conversion circuit includes at least a first capacitor, a first diode, a second capacitor, and a second diode.SELECTED DRAWING: Figure 7
Patent JP-2021139321-A (JP)
Title: Internal combustion engine system using hydrogen as fuel, and reduction method for catalyst device in internal combustion engine using hydrogen as fuel
Inventor: FUJINO TOMOKI
IPC: F01N3/24
Filed: 2020-03-04
Abstract: To suppress or prevent discharge after fire or unburnt gas upon performing reduction treatment on a nitrogen oxide in a catalyst device.SOLUTION: An internal combustion engine system 100 with hydrogen used as fuel is provided. The internal combustion engine system 100 comprises: an internal combustion engine 10 having an intake unit 15 and an exhaust unit 16; an exhaust pipe 24 connected to the exhaust unit 16; a catalyst device 40 provided in the exhaust pipe 24; reduction devices 51, 70 for reducing a nitrogen oxide in the catalyst device 40; and hydrogen concentration acquisition devices 31, 33 that are arranged at least one of the space between the exhaust unit 16 and the catalyst device 40 and the space between the catalyst device 40 and a discharge port 241 of the exhaust pipe 24, in the exhaust pipe 24.SELECTED DRAWING: Figure 1
Patent JP-2021140955-A (JP)
Title: Lighting fixture
Inventor: MARUOKA ATSUSHI
IPC: F21S2/00
Filed: 2020-03-05
Abstract: To improve workability in installation work.SOLUTION: A lighting fixture 1 includes a usual light source unit 3, an emergency light source unit 4, a terminal board 42 and a fixture body 2. The terminal board 42 is electrically connected to the emergency light source unit 4. The fixture body 2 supports the usual light source unit 3 and the emergency light source unit 4. The fixture body 2 includes a storage part 20 formed into a longitudinal box shape; and an installation part (hook hole 207, receiving metal fitting 23) installed in the storage part 20. The installation part detachably installs the usual light source unit 3. The fixture body 2 supports the usual light source unit 3 and the emergency light source unit 4 while being stored side by side along the longitudinal direction of the storage part 20. The terminal board 42 is disposed at a position nearer to the emergency light source unit 4 than to the installation part along the longitudinal direction of the fixture body 2.SELECTED DRAWING: Figure 1
Patent JP-2021140112-A (JP)
Title: Image forming apparatus and image density correction method
Inventor: MATSUMOTO KAZUTAKA
IPC: B41J2/47
Filed: 2020-03-09
Abstract: To provide an image forming apparatus and the like that, when performing correction of output of an exposure laser for forming an electrostatic latent image based on a read document, can prevent correction information on a laser beam quantity preset value from becoming an unintended value due to noise.SOLUTION: An image forming apparatus (10) forms an image by an electrophotographic system according to a printing mode, and comprises an electrification potential variation prediction unit (170) and an exposure laser output correction unit (180). The electrification potential variation prediction unit (170) predicts the amount of variation in electrification potential after printing is stopped based on an electrification stop time, and the exposure laser output correction unit (180) corrects the output of an exposure laser with which a photoreceptor drum (3) is to be irradiated according to the amount of variation in electrification potential. When the printing mode is a printing mode having gradation properties, a control unit (100) executes exposure laser correction processing with the exposure laser output correction unit (180).SELECTED DRAWING: Figure 1
Patent JP-2021144183-A (JP)
Title: label
Inventor: SATO YUHEI
IPC: G09F3/00
Filed: 2020-03-13
Abstract: To provide a label which minimizes fogging due to dew condensation and prevents blocking and print peeling.SOLUTION: A label is provided, having a first resin layer containing a surfactant as the outermost layer on a front surface side, and a second resin layer made of a polyamide resin or a nitrified cotton-based resin as the outermost surface layer on a back surface side.SELECTED DRAWING: None
Patent JP-2021150081-A (JP)
Title: Positive electrode material for lithium ion secondary battery, positive electrode for lithium ion secondary battery, and lithium ion secondary battery
Inventor: NINSOKU AKIRA
IPC: H01M4/36
Filed: 2020-03-17
Abstract: To provide a lithium ion secondary battery superior in high-input characteristic and cycle characteristic, and a positive electrode material for a lithium ion secondary battery and a positive electrode for a lithium ion secondary battery, with which the battery can be obtained.SOLUTION: A positive electrode material for a lithium ion secondary battery comprises an olivine type phosphate-based compound represented by the general formula LixAyDzPO4, and carbon. According to observation under a transmission type electron microscope on a cross section of a secondary particle resulting from agglomeration of primary particles of the olivine type phosphate-based compound, a 300-point average value of filling rates of carbon filled in cavities of 5 nm or larger in diameter formed by the primary particles is 30-70%. In the general formula, A is any of Co, Mn, Ni, Fe, Cu and Cr, D is any of Mg, Ca, Sr, Ba, Ti, Zn, B, Al, Ga, In, Si, Ge, Sc and Y, and x, y and z satisfy 0.9<x<1.1, 0<y≤1.0, 0≤z<1.0, and 0.9<y+z<1.1.SELECTED DRAWING: None
Patent JP-2021146587-A (JP)
Title: Ink jet recording device
Inventor: SUE TOMOHIRO
IPC: B41J2/175
Filed: 2020-03-18
Abstract: To reduce a difference of a warming ability of every color of ink without increasing costs.SOLUTION: A printer 1 includes: a plurality of ink supply mechanisms 7 each including an ink container 51 for storing ink, a sub-tank 92 for accumulating ink supplied from the ink container 51, and a recording head discharging ink supplied from the sub-tank 92; a container warming part 60 for warming the plurality of ink containers 51; and a heater 93 warming the plurality of sub-tanks 92. The sub-tank 92 having the smallest quantity of heat supplied from the heater 93 among the plurality of sub-tanks 92 is connected to the ink container 51 having the largest quantity of heat supplied from the container warming part 60 among the plurality of ink containers 51.SELECTED DRAWING: Figure 3
Patent JP-2021150211-A (JP)
Title: Halogen lamp
Inventor: KAWAMURA TADAKAZU
IPC: H01K1/20
Filed: 2020-03-20
Abstract: To provide a halogen lamp capable of reducing heat loss in an internal lead electrically connecting a light-emitting part with a metal foil in a sealing part of a light-emitting tube, speeding up a start-up of the light-emitting part, and increasing heat energy in the light-emitting part in the halogen lamp including the light-emitting part consisting of a coiled filament in an inner part of the light-emitting tube.SOLUTION: At least a part of an internal lead that connects a metal foil in an encapsulated part to a light-emitting part has a recrystallized part whose crystal structure has been recrystallized.SELECTED DRAWING: Figure 1
Patent JP-2021146954-A (JP)
Title: Vehicle seat
Inventor: MEGURO TSUKASA
IPC: B60N2/12
Filed: 2020-03-20
Abstract: To disperse a load applied from a striker to an upper rail in a vehicle seat.SOLUTION: A vehicle seat 1 includes: a rail device 3 which has a lower rail 11 and an upper rail 12; a base bracket 50 which is provided in an upper part of the upper rail and extends forward and backward; a seat body 8 which includes a seat cushion 6; a rotation member 60 which is rotatably supported around a support shaft 53 which is provided in a front part of the base bracket and extends to right and left sides and is connected to a front part of the seat cushion; a striker 54 which is provided in a rear part of the base bracket; a coupling device 5 which is provided in a rear part of the seat cushion and is detachably coupled with the striker. The base bracket has a bottom wall 51 and right and left side walls 52 and is formed into a groove shape opened upward. The support shaft and the striker are laid over the right and left side walls.SELECTED DRAWING: Figure 5
Patent JP-2020106864-A (JP)
Title: Imaging device, accessory device, imaging system and control method therefor
Inventor: SUGITA ATSUSHI
IPC: H04N5/232
Filed: 2020-03-24
Abstract: To quickly detect inconsistency of communication mode between an imaging device and an accessory device.SOLUTION: An accessory device 100 is mounted removably on an imaging device 200. The imaging device includes camera communication units 208a, 208b providing, between them and the accessory device, a first data communication channel used for transmission of accessory data DLC from the accessory device to imaging device, and a second data communication channel used for transmission of camera data DCL from the imaging device to accessory device, and a camera control unit 205 performing communication with the accessory device via the camera communication unit. The camera control unit and accessory device can change over respective communication modes to a first communication mode and a second communication mode, where settings of parity bits of accessory data are different from each other. The camera control unit detects inconsistency of communication mode between the camera control unit and accessory device, by detecting parity error of the accessory data.SELECTED DRAWING: Figure 1
Patent JP-2021153428-A (JP)
Title: Oil-in-water type emulsified fat composition, and minced meat processed frozen food
Inventor: OHASHI HISAFUMI
IPC: A23D7/005
Filed: 2020-03-25
Abstract: To provide a minced meat processed frozen food that has strong juicy feeling, in which meat juice has transparent feeling and meat grain feeling is maintained, and an oil-in-water type emulsified fat composition in order to obtain such a minced meat processed frozen food.SOLUTION: Provided is an oil-in-water type emulsified fat composition for minced meat processed frozen food which contains the following components (A) and (B): (A) agar; and (B) deacylation-type gellant gum. The present invention provides a minced meat processed frozen food that has juicy feeling without losing meat grain feeling, and in which meat juice has transparent feeling. Also, the invention provides an oil-in-water type emulsified fat composition in order to obtain such a minced meat processed frozen food.SELECTED DRAWING: None
Patent JP-2020100157-A (JP)
Title: Hard coat laminate film
Inventor: WASHIO Nozomu
IPC: B32B27/00
Filed: 2020-03-26
Abstract: To provide a hard coat laminate film excellent in transparency, surface hardness, bending resistance, scratch resistance, tone and surface appearance, and suitable as a member of an image display device such as a liquid crystal display, a plasma display and an electroluminescence display, particularly as a display surface plate of an image display device having a touch panel function.SOLUTION: The hard coat laminate film includes layers of, from a surface side, a first hard coat, a second hard coat, and a transparent resin film. The first hard coat is formed of a coating material containing no inorganic particles, while the second hard coat is formed of a coating material containing inorganic particles. The hard coat laminate satisfies the following conditions: (1) the total ray transmittance of the laminate is 85% or more; and (2) the surface of the first hard coat shows a pencil hardness scale of 5H or higher, preferably 7H or higher.SELECTED DRAWING: Figure 2
Patent JP-2021155162-A (JP)
Title: Arranged fiber sheet manufacturing apparatus
Inventor: TSUKAHARA NORITO
IPC: D01D7/00
Filed: 2020-03-26
Abstract: To provide an arranged fiber sheet manufacturing apparatus for stably manufacturing and providing a fine and evenly arranged fiber sheet to be used as a scaffold material, a filtration filter or the like for cell culture with excellent quality.SOLUTION: An arranged fiber sheet manufacturing apparatus comprises a nozzle for extruding a polymeric material in a melt or solution state, a winding drum for winding an extruded fiber; a guide for regulating a winding position onto the winding drum of the fiber; and nozzle movement means for moving the nozzle in a rotational shaft direction of the winding drum. According to the arranged fiber sheet manufacturing apparatus, the nozzle and the guide move integrally in a step of winding the fiber extruded from the nozzle around the winding drum, with an arranging property.SELECTED DRAWING: Figure 1-1
Patent JP-2021155255-A (JP)
Title: Crystallized glass and manufacturing method thereof
Inventor: ASO GORO
IPC: C03B32/02
Filed: 2020-03-26
Abstract: To provide a raw material having transparency, containing a phosphor material showing sharp emission in a wavelength region of deep red color by visible light excitation.SOLUTION: Crystallized glass contains a component group having a predetermined composition, in the oxide terms, of Li2O, Na2O, K2O, ZnO, MgO, CaO, GeO2, SiO2, Al2O3, ZrO2, P2O5 and Ga2O3, the molar ratio (X) represented by a predetermined expression of 0.075 or larger and 0.310 or smaller, the molar ratio (Y) represented by the predetermined expression of 0.034 or larger and 0.170 or smaller and containing a predetermined amount of manganese, in which the crystallized glass has a Mn4+ doped Li2Ge4O9 crystal and/or a LiNaGe4O9 crystal, and has light transmittance of wavelength 700 nm at a thickness 10 mm of 60% or larger.SELECTED DRAWING: Figure 4
Patent JP-2021157481-A (JP)
Title: Cost management device, method for managing cost, and cost management program
Inventor: USHIJIMA YASUYUKI
IPC: G06Q30/02
Filed: 2020-03-26
Abstract: To prevent interference to a benefit appeal in selling items.SOLUTION: A cost management device according to an embodiment includes: a master in which an item and a business cost for an inside management are related; and screen display control means for controlling a display of a cost confirmation screen for a display unit, and displaying a business screen associated with the master instead of a sale cost based on a stock evaluation, to a specific operator, in the cost confirmation screen.SELECTED DRAWING: Figure 1
Patent JP-2021155198-A (JP)
Title: Medium cassette and recording device
Inventor: HORI YUJI
IPC: B65H16/08
Filed: 2020-03-27
Abstract: To provide a medium cassette, which facilitates work for replacing a roll medium and can detect whether the roll medium is supported by a support part or not.SOLUTION: A paper feed cassette 1 can selectively store a roll paper R and a cut paper and includes a support part 12 and a light sensor 20. The support part 12 contacts an outer peripheral surface of a lower portion of the roll paper R to support the roll paper R rotatably. The light sensor 20 outputs a signal for finding whether or not the roll paper R is supported by the support part 12.SELECTED DRAWING: Figure 1
Patent JP-2021155668-A (JP)
Title: Inkjet ink composition and recording method
Inventor: OKI YASUHIRO
IPC: B41J2/01
Filed: 2020-03-30
Abstract: To provide an inkjet ink composition excellent in discharge stability and clogging recovery.SOLUTION: An inkjet ink composition comprises a color material, an organic solvent, and water. The inkjet ink composition comprises N-hydroxyethylpyrrolidone and N-vinyl-2-pyrrolidone, as the organic solvent.SELECTED DRAWING: None
Patent JP-2021159947-A (JP)
Title: Joint material, manufacturing method for joint part, and joint structure
Inventor: ISHIBASHI MAKOTO
IPC: B23K35/32
Filed: 2020-03-31
Abstract: To provide a joint material which is easy to process and is excellent in corrosion resistance, a manufacturing method for a joint part, and a joint structure.SOLUTION: A joint material 2 joins a first SiC member 1a and a second SiC member 1b, contains Ti at the rate equal to or larger than 44 mass% and below 100 mass%, and contains Cr and inevitable impurities as a remainder. A joint part including the joint material 2 can be manufactured by including: an arrangement step which arranges a raw material composition to be a composition of the joint material 2 between the first SiC member 1a and the second SiC member 1b; and a heat treatment step which forms the joint material 2 by performing heat treatment by abutting the first SiC member 1a and the second SiC member 1b in the state where the raw material composition is arranged.SELECTED DRAWING: Figure 1
Patent JP-2020118299-A (JP)
Title: Coupling structure, pipe joint and method for forming coupling structure
Inventor: FUKAYA SHINJI
IPC: F16L21/04
Filed: 2020-04-02
Abstract: To provide a coupling structure that can couple a pipe member with a pipe joint firmly more than before without using welding.SOLUTION: A coupling structure couples an outer peripheral surface of a pipe member P with an inner peripheral surface 22 of a cylindrical member 20 to be fitted to the pipe member in an air-tight or liquid-tight manner, where an annular projection formed at the inner peripheral surface of the cylindrical member makes the pipe member and the cylindrical member impossible to be dismounted.SELECTED DRAWING: Figure 1
Patent JP-2021160329-A (JP)
Title: Inkjet recording device
Inventor: FUKUNAGA YASUYUKI
IPC: B41J2/165
Filed: 2020-04-03
Abstract: To attach or detach a cap unit for preventing leakage of a preservation liquid easily.SOLUTION: A printer 1 includes: a recording head 31 in which an ink discharge port is formed on a lower surface; a recording head housing 32 which supports the recording head 31; and a second cap unit 50 which includes an elastic body cap 62, is inserted into a space blow the recording head 31 in a direction from the front side toward the rear side to be attached to the recording head housing 32 and covers the lower surface of the recording head 31 with the elastic body cap 62; a positioning pin 33 protruding from a rear portion of a lower part of the recording head housing 32 to an area below the lower surface of the recording head 31; and a resin guide 54 which is formed at a rear portion of an upper part of the second cap unit 50 and is placed in contact with the positioning pin 33 to guide insertion and removal of the second cap unit 50.SELECTED DRAWING: Figure 14B
Patent JP-2021018230-A (JP)
Title: Electrochemical sensor unit
Inventor: MASHIKO Jun
IPC: G01N27/327
Filed: 2020-04-06
Abstract: To provide an electrochemical sensor unit capable of enhancing stability of measurement.SOLUTION: The electrochemical sensor unit comprises a base material 10, a first sensor electrode 20 provided on one surface of any of two main surfaces of the base material 10, and a sheet 30 disposed to cover the first sensor electrode 20. The sheet 30 has a first absorption region X1 for holding a liquid sample to be tested in a position corresponding to the first sensor electrode 20; and when the sample to be tested is applied to the sheet 30, the sample to be tested is absorbed in the first absorption region X1, and the sample to be tested comes into contact with the first sensor electrode 20.SELECTED DRAWING: Figure 1
Patent JP-2021166472-A (JP)
Title: Coupling member and curtain opening/closing unit for green house
Inventor: HOSHINO TAKASHI
IPC: A01G9/14
Filed: 2020-04-08
Abstract: To provide a coupling member and a curtain opening/closing unit for a green house, capable of suppressing reduction of force for holding a drive wire, even when crack or the like occurs.SOLUTION: A metal plate 40 whose dimension is configured so that an outer edge thereof is provided outside of a periphery of a coil spring 33, is provided in the surrounding of a through hole of an engagement shaft member 30 in a second plate part 21 of a second member 20. The coil spring 33 is adjusted in a compression amount thereof, by a nut member 34, and by elastic reaction thereof, acts prescribed pressing force to the metal plate 40. The first and second members 10, 20 are formed of a synthetic resin, on which crack or the like due to long term deterioration occurs often, but in the invention, since a part to which the coil spring 33 presses directly, is the metal plate 40, even when crack or the like occurs on the first or second member 10, 20, reduction of the pressing force can be suppressed.SELECTED DRAWING: Figure 4
Patent JP-2021169359-A (JP)
Title: Elevator system
Inventor: SAITO YUKI
IPC: B66B5/02
Filed: 2020-04-16
Abstract: To provide an elevator system that can safely move a car to a position where a door can be opened in the event of an abnormality in wireless communication between a wireless communication device installed in a hoistway and a wireless communication device installed in the car.SOLUTION: An elevator system includes cars 101 to 103, first wireless communication devices 151 to 153 installed in a hoistway, and second wireless communication devices 141 to 143 installed in the cars 101 to 103. The first wireless communication devices 151 to 153 can communicate in a first communication mode in which they communicate only with the predetermined second wireless communication devices 141 to 143, and in a second communication mode in which they communicate with second wireless communication devices 141 to 143 other than the predetermined second wireless communication devices. If there is an abnormality in the first wireless communication device 152, the normal first wireless communication device 151 implements the second communication mode and, communicates with the predetermined second wireless communication device 142 which is predefined to communicate with the first wireless communication device 152 that has an abnormality.SELECTED DRAWING: Figure 1