baber/WOPTO huggingface dataset:
Patent JP-2020194092-A (JP)
Title: Wavelength multiplex/demultiplexer, optical transmitter, and optical receiver
Inventor: CHUNG SEUK HWAN
IPC: G02B6/12
Filed: 2019-05-28
Abstract: To provide a wavelength multiplexer/demultiplexer, an optical transmitter and an optical receiver with which it is possible to further expand an effective wavelength band.SOLUTION: The wavelength multiplexer/demultiplexer includes three delay interferometer 110, in which two delay interferometers in a second stage are respectively connected to one delay interferometer in a first stage. The delay interferometers include a pair of optical couplers 130, 140 equipped with input/output ports, a first arm waveguide 121 and a second arm waveguide 122 which are connected between the pair of optical couplers and has different optical path length one another, and a phase collection area 123 provided in either of the first or second arm waveguide. The difference between the optical path lengths of the first and second arm waveguides of a delay interferometer in the (k+1)th stage is 1/2 of the difference between the optical path lengths of the first and second arm waveguides of a delay interferometer in the k-th stage. The phase change amount of the phase correction area of a delay interferometer in each stage is large enough to cancel out a phase change due to an optical coupler in each stage.SELECTED DRAWING: Figure 4
Patent JP-2020193498-A (JP)
Title: Footboard material with protection sheet
Inventor: NAGATA NAOYUKI
IPC: E04G21/24
Filed: 2019-05-29
Abstract: To make it possible to install a footboard material with a protection sheet that becomes a packing material and a curing material as a stairway footboard in a state of properly protected by the protection sheet, and to make it possible to easily remove the protection sheet from a footboard material becoming a footboard after finishing a construction work.SOLUTION: A footboard material with a protection sheet comprises: a footboard material 2 constituting a footboard Sa of a stairway S; and a protection sheet 3 comprising at least a first protection face portion 3a to a surface 2a of the footboard material 2 and a second protection face portion 3b to a front end face 2c of the footboard material 2 connected with the first protection face portion 3a via a folding line. In a rear face 3' of the first protection face portion 3a of the protection sheet 3, an antislip face 4 is formed with an interval 6 between itself and an edge portion of the first protection face portion 3a. In the interval 6, an adsorption surface 5 is formed so as to surround the antislip face 4.SELECTED DRAWING: Figure 4
Patent JP-2020192288-A (JP)
Title: Chemical liquid supply device and blood purification system
Inventor: ICHIKAWA TAKESHI
IPC: A61M1/16
Filed: 2019-05-31
Abstract: To provide a chemical liquid supply device and a blood purification system, capable of appropriately performing cleaning and disinfection without wastefully consuming chemical liquid.SOLUTION: A chemical liquid supply device 2 comprises: a chemical liquid transmission unit 23 for transmitting chemical liquid to a plurality of blood purification devices in order to execute cleaning/disinfection treatment of performing at least either of cleaning and disinfection on the inside of piping of the plurality of blood purification devices; a communication unit 25 for performing communication with the plurality of blood purification devices; and a detection unit that by the communication unit performing communication with the plurality of blood purification devices, detects completion time at which cleaning/disinfection treatment of the last blood purification device of the plurality of blood purification devices is completed and cleaning/disinfection treatment of the plurality of blood purification devices is completed.SELECTED DRAWING: Figure 2
Patent JP-2019166357-A (JP)
Title: Game machine
Inventor: ICHIKAWA SATORU
IPC: A63F5/04
Filed: 2019-06-05
Abstract: To provide a game machine capable blocking a foul play against a lottery making use of a lottery object.SOLUTION: In the case of a notification period ending timing, there is executed an operation for discharging an iron ball or a lottery medium on a crane. After this, an imaging start command is sent to a display side MPU so that a notification image on an AT lottery is displayed on a display face. In the case where the iron ball exists not at the notification period ending timing but at an iron ball rising point, a lower driving drive signal is sent to a shutter motor so that an opening open in front of the lottery unit cover is closed by a shutter curtain. After this, a delay image display command is sent to the display side MPU. In the case where said delay image display command is received from the main MPU, the display side MPU displays the delay image, which has been taken before the image taken actually on the display face of the image display device, on the display surface.SELECTED DRAWING: Figure 39
Patent JP-2020203259-A (JP)
Title: Ultrasonic cleaning equipment and ultrasonic cleaning method
Inventor: GOTO TAKASHI
IPC: B08B3/02
Filed: 2019-06-19
Abstract: To provide ultrasonic cleaning equipment that makes a cleaning fluid hardly flow to a location except a region, which is desired to be cleaned, on a surface of a cleaning object, and an ultrasonic cleaning method.SOLUTION: A liquid contact nozzle 210 brings a cleaning fluid LQ into contact with a base plate BP that is a cleaning object. An ultrasonic wave applicator 300 applies an ultrasonic wave to the cleaning fluid LQ that is brought into contact with the base plate BP by the liquid contact nozzle 210. The cleaning fluid LQ, to which the ultrasonic wave is applied by the ultrasonic wave applicator 300, is locally retained in a gap GP between an opposed area RA, which faces the liquid contact nozzle 210, of a surface of the base plate BP and the liquid contact nozzle 210 by surface tension of the cleaning fluid LQ.SELECTED DRAWING: Figure 2
Patent JP-2020204587-A (JP)
Title: Radon radioactivity measurement method
Inventor: FURUTA ETSUKO
IPC: G01T1/167
Filed: 2019-06-19
Abstract: To solve problems that a conventional method requires a dedicated vial capable of fixing the canister on the upper part of the vial and also requires quiet standing posture for about three hours after shaking in order to leach radon from activated carbon into a liquid scintillator.SOLUTION: A radon radioactivity measurement method includes: a radon adsorption step of standing a breathable bag body filled with activated carbon for a fixed time at a radioactivity measuring point of radon; a bag body inserting step of collecting the bag body into a vial; a leaching step of placing a liquid scintillator in the vial and submerging the bag body in a liquid scintillator; and a radioactivity measuring step of measuring radioactivity by directly putting the vial containing the bag body and the liquid scintillator into a scintillation measuring device.SELECTED DRAWING: Figure 2
Patent JP-2020205217-A (JP)
Title: Power storage system and temperature management method
Inventor: KOBAYASHI HIROYUKI
IPC: H02J7/02
Filed: 2019-06-19
Abstract: To obtain a power storage system combining both high I/O characteristics and high capacity, and exhibiting the high I/O characteristics sufficiently in operation.SOLUTION: A power storage system includes a power storage unit group, a charger, and a temperature management device. The power storage unit group supplies a load with power by serial-parallel unit power storage unit where multiple power storage modules, having a lithium ion secondary battery as a storage battery cell. The charger supplies the power storage unit group with a charging current. The temperature management device collects temperature information in individual power storage module from the unit power storage unit of the power storage unit group, specifies a power storage cell of such temperature as out of the specified range from the collected temperature information, and controls the temperature so that the temperature of the power storage cell will fall within the specified range.SELECTED DRAWING: Figure 1
Patent JP-2020040199-A (JP)
Title: Impact tool
Inventor: MACHIDA YOSHITAKA
IPC: B25D17/10
Filed: 2019-06-19
Abstract: To provide an impact tool which can control drive of a motor by adequately detecting a loaded state.SOLUTION: A hammer drill 1 includes a motor 2, a drive mechanism 3, a main body housing 10, a handle 15, a battery mounting part 171, a position sensor, and a controller 41. The handle 15 has a gripping part 16, and is connected to the main body housing 10 through an elastic member 191 so as to relatively move. The position sensor can detect a relative position of the handle 15 with respect to the main body housing 10. The controller 41 controls a rotation speed of the motor 2 on the basis of a detection result of the position sensor. The controller 41 drives the motor 2 at a first rotation speed when the handle 15 is arranged in a rearmost position with respect to the main body housing 10. When the handle 15 relatively moves from the rearmost position to an off position forward from the rearmost position, the controller drives the motor 2 at a second rotation speed higher than the first rotation speed.SELECTED DRAWING: Figure 2
Patent JP-2021001770-A (JP)
Title: Visual inspection device and visual inspection method
Inventor: KAMIJO HIDEAKI
IPC: G01N21/956
Filed: 2019-06-20
Abstract: To provide a visual inspection device and a visual inspection method which can efficiently inspect a first wire and a second wire stacked in the thickness direction through an insulation film.SOLUTION: A visual inspection device 1 comprises: an illumination part 10 which emits light L1 in a first wavelength region and light L2 in a second wavelength region to a semiconductor device 6; and an imaging part 30 including a lens unit 20 which generates an axial chromatic aberration corresponding to the thickness of a translucent film 63 with respect to the light L1 of the first wavelength region and the light L2 of the second wavelength region. When adjusting the focus of the light L1 of the first wavelength region to a first wire 61, the focus of the light L2 of the second wavelength region can be adjusted to a second wire 62. Therefore, the visual inspection device can shorten an inspection time by inspecting the defects in the first wire 61 and the second wire 62 on the basis of the image of the first wire 61 with the light L1 of the first wavelength region and the image of the second wire 62 with the light L2 of the second wavelength region without changing the positions of lenses 21, 22.SELECTED DRAWING: Figure 1
Patent JP-2021002941-A (JP)
Title: Cable with insulator
Inventor: YOSHIZAKI YASUHARU
IPC: H02G3/30
Filed: 2019-06-21
Abstract: To provide a cable with an insulator which can stably support a cable.SOLUTION: A cable A with an insulator is provided with: a cable 2 which transmits a signal; and an insulator 1 attached to an outer periphery of the cable 2. Length of the cable 2 in a longitudinal direction in a contact portion of the insulator 1 with the cable 2 is smaller than a diameter of the cable 2. Further, the insulator 1 has a convex part 5 for mounting in contact with a suitable mounting surface in mounting on the mounting surface, and in the convex part 5 for mounting, length of a contact surface with the mounting surface is smaller than the diameter of the cable 2.SELECTED DRAWING: Figure 1
Patent JP-2020081843-A (JP)
Title: Kitchen board, and methods of storing and transporting kitchen board
Inventor: HIROYA SHIGENOBU
IPC: A47B77/00
Filed: 2019-06-25
Abstract: To provide storage furniture capable of exceptionally reducing storage cost and transportation cost of the storage furniture that forms a space to store household electric appliances, and methods of storing and transporting the storage furniture.SOLUTION: An upper storage unit 3, a middle storage unit 5 and a lower storage unit 2 are separated from each other. In the separated state, side panels 7 and a back panel 10 of the middle storage unit 5 fit to an inside of the upper storage unit 3. Here, a height direction length H of the side panels 7 and back panel 10 is substantially equal to a height direction length h of the inside of the upper storage unit 3, thereby capable of avoiding rattling in the fitted state.SELECTED DRAWING: Figure 1
Patent JP-2019164841-A (JP)
Title: Capacitance detection device
Inventor: OGOMI TOMOKAZU
IPC: G07D7/026
Filed: 2019-06-25
Abstract: To simplify and down-size the structure of a capacitance detection device or an image reading device having the capacitance detection device.SOLUTION: The capacitance detection device includes: a first electrode 1 and a second electrode 2 at least partly opposed, a conveyance path 5 along a conveyance direction which is a direction in which a sheet-like detection object 3 is conveyed being interposed between the first electrode 1 and the second electrode 2; an oscillation circuit that causes an electric field 9 to be formed between the first electrode 1 and the second electrode 2; a detection circuit that detects a change in capacitance between the first electrode 1 and the second electrode 2; a first substrate 11 and a second substrate 12 on which at least one of the oscillation circuit and the detection circuit is formed; an insulative first flat plate 6 formed between the first electrode 1 and the conveyance path 5; and an insulative second flat plate 7 formed between the second electrode 2 and the conveyance path 5.SELECTED DRAWING: Figure 25
Patent JP-2021004423-A (JP)
Title: Carbon fiber cord for rubber reinforcement and method for producing the same
Inventor: OKAMURA SHUHEI
IPC: D06M15/41
Filed: 2019-06-26
Abstract: To provide a carbon fiber cord for rubber reinforcement excellent in fray resistance, flexural fatigue property and rubber adhesion, and a method for producing the same.SOLUTION: There is provided a carbon fiber cord for rubber reinforcement in which a resin A has a core portion composed of a carbon fiber and a thermoplastic resin, is composed of a fiber bundle whose the number of single yarns of the carbon fiber is 5,000 or more and a melting point of the thermoplastic resin is 230°C or lower, a resorcin-formalin-latex-based adhesive is bonded to the periphery of the core portion. Furthermore, preferably, the fiber bundle of the core portion is composed of one fiber bundle, the resin A is a copolymerization resin, and a resin B is composed of an epoxy resin and an isocyanate compound exists between the core portion and the adhesive. In addition, a twisting coefficient (TM) of the carbon fiber bundle is preferably within a range of 0.1-5.0. A method for producing a carbon fiber cord for rubber reinforcement includes fiberizing a thermoplastic resin A and twisting yarns with the carbon fiber bundle, melting the resin A by heating, and converting the resin A into a core portion.SELECTED DRAWING: None
Patent JP-2021006017-A (JP)
Title: Remote sensing image acquisition timing determination system, and crop growth state analysis method
Inventor: ISHIDA RYO
IPC: G06T7/00
Filed: 2019-06-28
Abstract: To enable capturing of a remote sensing image for analysis of crop growth state at optimal timing.SOLUTION: A system has an input device, an output device, a treatment device, and a storage device, and determines the timing to acquire a remote sensing image, for grasping crop growth state, targeting fields distributed on the ground. The system has a base date estimation unit that estimates a base date used to predict crop growth state, on the basis of a first remote sensing image as time series data. The system also has a growth prediction unit that predicts crop growth state after the base date on the basis of weather data as time series data and estimates the timing at which the crops reach a specific growth stage. The system also has an optimal timing determination unit that determines the timing at which the fields in which the crops have reached the specific growth stage can be captured as many as possible, as a second remote sensing image acquisition timing.SELECTED DRAWING: Figure 1
Patent JP-2021007470-A (JP)
Title: Folding type pipe chair
Inventor: KAGO YOICHI
IPC: A47C5/10
Filed: 2019-06-28
Abstract: To provide a folding type pipe chair which is configured to enable an increased number of chairs can be laterally arranged in a narrow space.SOLUTION: A folding type pipe chair is configured so that, a backrest 13 is provided on an upper end part of a U-shaped or rectangular front leg pipe 11, each of first coupling metal fittings 15 is rotatably coupled to each of inside faces of front leg pipe intermediate parts and each of inside faces of upper end parts of a U-shaped rear leg pipe 12 via an end pivotal support pin 16 at each end, the front leg pipe and the rear leg pipe can be arranged either in a use posture A or a folded posture B. On the other hand, each of rear side faces of a seat surface 14 is rotatably attached to the front leg pipe via a pivotal support pin 19 through a spacer 17, and one end part of a second coupling metal fitting 18 is fixed to the rear leg pipe. The other end part of the second coupling metal fitting is rotatably coupled to a rear end side surface of the seat surface via the pivotal support pin, so that the seat surface can be arranged either in a seated posture or a folded posture.SELECTED DRAWING: Figure 1
Patent JP-2021012919-A (JP)
Title: Component mounting device and method for manufacturing component mounting device
Inventor: YOKOYAMA MASARU
IPC: H05K13/04
Filed: 2019-07-04
Abstract: To improve productivity in mounting of different types of components.SOLUTION: A component mounting device comprises: a mounting head that mounts a component on a substrate; a head moving device that moves the mounting head; a head rotating device that rotates the mounting head on a direction intersecting with a top face of the substrate; and a control unit that controls drive of the heat moving device and the head rotating device. The control unit executes a first operation to hold a second component having a through hole with the mounting head and move the component to the substrate that has a first component having a projection projecting upward mounted thereon and thereby to insert the projection into the through hole, and a second operation to, after the first operation, twisting a projection upper part of the projection projecting upward beyond the through hole with respect to the through hole by rotating the mounting head.SELECTED DRAWING: Figure 6C
Patent JP-2022126891-A (JP)
Title: cell atlas system
Inventor: UEDA YASUKI
IPC: C12M1/34
Filed: 2019-07-08
Abstract: To collect annotations in a cell atlas.SOLUTION: In a cell atlas system 101, a server 102 stores, in a database, positions of cells contained in a first tissue in a first developmental stage of a first living body. A terminal 103 receives cross-sectional photographs or tomographic photographs of a second tissue in a second stage of development of a second living body, a desired region, and an annotation for the desired region. The terminal 103 or server 102 estimates the position of cells contained in the second tissue based on the received cross-sectional photographs or tomographic photographs. The server 102 associates each cell contained in the second tissue with any one or more cells contained in the first tissue based on the distribution of the estimated positions and the distribution of the stored positions, and stores, in the database, the annotations in association with the positions of the cells contained in the first tissue that are associated with the cells contained in the second tissue photographed within the desired region.SELECTED DRAWING: Figure 1
Patent JP-2021011623-A (JP)
Title: Production method of laminate structure
Inventor: AMANO HIROKI
IPC: B29C64/153
Filed: 2019-07-09
Abstract: To provide a production method of a laminate structure having low mechanical strength degradation, uniform appearance and excellent quality, with a stabilized amount of raw material powder being supplied.SOLUTION: A production method of a laminate structure comprises sequentially laminating layers shaped by exposure to energy rays. While raw material powder is supplied to a base plate on which the layers are laminated by using an argon-containing carrier gas, the raw material powder supplied on the base plate is exposed to energy rays, so that the layers are shaped.SELECTED DRAWING: None
Patent JP-2021016046-A (JP)
Title: Bias circuit
Inventor: SOGA TAKASHI
IPC: H03F3/19
Filed: 2019-07-11
Abstract: To provide a bias circuit capable of improving linearity of signal amplification.SOLUTION: A bias circuit includes first to fourth transistors and a phase compensation circuit. The first transistor includes a first terminal, to which a reference current or voltage is supplied, and a second terminal connected to the first terminal. The second transistor includes a first terminal connected to a third terminal of the first transistor, and a third terminal connected to the ground. The third transistor includes a first terminal, to which a power source voltage is supplied, a second terminal connected to the first terminal of the first transistor, and a third terminal, from which a bias current or voltage is supplied to an amplification transistor. The fourth transistor includes a first terminal connected to the third terminal of the third transistor, a second terminal connected to a second terminal of the second transistor, and a third terminal connected to the ground. The phase compensation circuit is provided on a path running from the fourth transistor through the second and first transistors to the third transistor.SELECTED DRAWING: Figure 1
Patent JP-2021014155-A (JP)
Title: Load support frame device
Inventor: KATO TERUKI
IPC: B60N3/02
Filed: 2019-07-11
Abstract: To provide a load support frame device which can load a long object by only use of a pair of let and right assist grip installation parts.SOLUTION: A load support frame device A is configured from: a main support bar member B which is constructed between a pair of left and right assist grips 50; cross directional support bar members C which cross the main support bar members B and are so fixed as to extend in a cross direction of the main support bar members B; and a sub-support bar member D which is constructed between the cross directional support bar members C. In the front and rear of the main support bar member B, a contact support part E, which contacts a ceiling plane Q of an automobile P, is provided on the cross directional support bar member C or the sub-support bar member D.SELECTED DRAWING: Figure 3
Patent JP-2020028215-A (JP)
Title: Power conversion device
Inventor: TONOMOTO MASAYA
IPC: H01G2/08
Filed: 2019-07-12
Abstract: To provide a power conversion device including a capacitor module having improved heat dissipation.SOLUTION: A power conversion device 1 includes: a plurality of electronic components 10, a capacitor module 2, and a device case 30, constituting a power conversion circuit. The capacitor module 2 includes a capacitor element 11 and is fixed to the device case 30 by a plurality of fastening portions 40 including a first fastening unit 41 erected on an inner bottom surface 31 of the device case 30 and a second fastening unit 42. At least one of the electronic components 10 other than the capacitor element 11 is attached to the capacitor module 2 and is located between the first fastening unit 41 and the second fastening unit 42 when viewed from a direction parallel to the inner bottom surface 31, which is a direction orthogonal to a direction in which the first fastening unit 41 and the second fastening unit 42 are arranged.SELECTED DRAWING: Figure 4