baber/WOPTO huggingface dataset:
Patent JP-2020128783-A (JP)
Title: Fluid control valve and valve timing adjusting device using the same
Inventor: OTSUBO MAKOTO
IPC: F16K11/07
Filed: 2019-02-08
Abstract: To provide a fluid control valve which can suppress the leakage of fluid at valve-closing by a simple constitution.SOLUTION: A valve seat face 56 is formed into a cylindrical shape at an inner wall of an inner sleeve 50. A recess 57 is formed so as to be recessed to the outside of the inner sleeve 50 in a radial direction from the valve seat face 56. A retard supply opening part and an advance supply opening part OAs make the outside of the inner sleeve 50 and the recess 57 communicate with each other. A spool 60 can control a flow of a working fluid between a working fluid supply source and a retard chamber, and between the working fluid supply source and an advance chamber according to a position in an axial direction with respect to the inner sleeve 50. A retard supply check valve and an advance supply check valve 72 have valve main bodies 700 which are formed into cylindrical shapes, and whose external peripheral walls can abut on the valve seat face 56, and are valve-opened by being contracted in diameters so that the external peripheral walls of the value main bodies 700 separate from the valve seat face 56, and valve-closed by being expanded in the diameters so that the external peripheral walls of the valve main bodies 700 abut on the valve seat face 56.SELECTED DRAWING: Figure 4
Patent JP-2019174793-A (JP)
Title: Radiation-sensitive composition and 1,2-naphthoquinone-2-diazide sulfonic acid derivative
Inventor: MIMURA TOKIO
IPC: C07C309/77
Filed: 2019-02-13
Abstract: To provide a radiation-sensitive composition having excellent radiation sensitivity and resolution, and capable of achieving high voltage retention property.SOLUTION: There is provided a radiation-sensitive composition containing an alkali soluble polymer (A), and a compound (B) having at least one kind of structure (bb) selected from a structure represented by the formula (b1) and a structure represented by the formula (b2). In the formulae (b1) and (b2), X is an electron attracting group or a halogen atom, X may be the same or different in the case where there are a plurality of X, n1 is an integer of 0 to 3, n2 is an integer of 0 to 2, n1+n2 is 1 or more, n3 is an integer of 0 to 4, n4 is an integer of 0 to 1, n3+n4 is 1 or more, and * is bond.SELECTED DRAWING: None
Patent JP-2019112642-A (JP)
Title: Thermosetting adhesive composition, thermosetting adhesive film, and composite film
Inventor: TOCHIHIRA JUN
IPC: C09J7/25
Filed: 2019-02-13
Abstract: To provide a thermosetting adhesive composition which has a low dielectric constant and a low dielectric loss tangent, high adhesive strength to an LCP film and a copper foil, and high heat resistance capable of enduring rapid heating in a soldering step and high flexibility capable of enduring bending.SOLUTION: A thermosetting adhesive composition contains component (A): a vinyl compound in which a terminal of a bifunctional polyphenylene ether oligomer is converted into a vinyl group, component (B): a maleimide resin and component (C): a thermoplastic elastomer, in which an equivalent ratio of a vinyl group of the component (A) to a maleimide group of the component (B) is 1.0:0.5 to 1.0:4.0, a ratio of the component (C) based on the total weight of the component (A), the component (B) and the component (C) is 55-95 wt.%, a ratio of a styrene unit of the component (C) based on the total weigh of the component (C) is 10-40 wt.%, 100% elongation tensile stress is 0.1-2.9 MPa, an elongation at break is 100% or more, and an epoxy resin is not contained.SELECTED DRAWING: None
Patent JP-2019165206-A (JP)
Title: Insulated gate semiconductor device and method for manufacturing the same
Inventor: KINOSHITA AKIMASA
IPC: H01L29/861
Filed: 2019-02-15
Abstract: To provide an insulated gate semiconductor device which can suppress bipolar operation of a body diode and which can easily achieve a built-in diode having a low ON resistance and a high withstand voltage and capable of increasing reliability.SOLUTION: An insulated gate semiconductor device includes: injection control regions 5a-5d of a second conductivity type provided on charge transport regions (2, 3) of a first conductivity type; main electrode regions 6a-6d of the first conductivity type provided on the injection control regions 5a-5d; insulated gate electrode structures (8, 9a), (8, 9c) going through the main electrode regions 6a-6d and the injection control regions 5a-5d in a depth direction; an injection suppression region 9b going through the main electrode regions 6b, 6c and the injection control regions 5b, 5c in the depth direction so as to form a pn junction in a path leading to the charge transport regions (2, 3), the injection suppression region including a semiconductor material with a narrower bandgap than that of a material of the charge transport regions (2, 3); and a contact protection region 4b of the second conductivity type brought into contact with the bottom surface of the injection suppression region 9b.SELECTED DRAWING: Figure 1
Patent JP-2020133465-A (JP)
Title: Compressor housing for turbocharger and manufacturing method thereof
Inventor: ISOTANI TOMOYUKI
IPC: F02B39/00
Filed: 2019-02-18
Abstract: To provide a compressor housing for a turbocharger which prevents a deposit from being stuck, improves assembly workability, is easily molded by die casting, and attains high turbocharging by maintaining/improving performance at low cost.SOLUTION: A compressor housing 1 for a turbocharger comprises a coolant passage 5 and a reflux part 6 and is divided into a scroll piece 2 and a shroud piece 3. The coolant passage 5 is an annular space 50 configured by fitting a first passage forming part 51 and a second passage forming part 52 which are formed in both the pieces 2 and 3. In the coolant passage 5, a first press-fitting part 53b of the shroud piece 3 is press-fitted into a first press-fitted part 53a of the scroll piece 2 in an inner periphery seal part 53, and a second press-fitting part 54b of the shroud piece 3 is press-fitted into a second press-fitted part 54a of the scroll piece 2 in an outer periphery seal part 54. A reflux part 6 returns a pair of sucked air arriving at a shroud part 20 to an upstream side of a compressor impeller 13.SELECTED DRAWING: Figure 1
Patent JP-2020130661-A (JP)
Title: Fire-extinguishing sheet for ejecting fluorocarbon fire-extinguishing chemical and its manufacturing method as well as its application method
Inventor: MATSUURA TAKASHI
IPC: A62C8/06
Filed: 2019-02-20
Abstract: To provide a chemical fire-extinguishing chemical sheet that enables fire extinguishment by automatic initial fire extinguishing in a fire point, and provide its manufacturing method.SOLUTION: A fire-extinguishing sheet automatically ejects a fluorocarbon fire-extinguishing chemical by sensing fire. The fire-extinguishing sheet comprises a synthetic resin. The fluorocarbon fire-extinguishing chemical is dispersed in the fire-extinguishing sheet as a granule drop of 10-100 μm in diameter, in which a boiling point is -20°C to 60°C and a vapor pressure at 25°C is 0.03 MPa(0.3Bar) or more. The synthetic resin is gas impermeable at a normal temperature. When an ambient temperature is made to rise to 80-180°C, the fluorocarbon fire-extinguishing chemical is ejected by plasticization, dissolution, combustion, deformation or destruction. The fire-extinguishing sheet has an area being 30 times or more of a square value of the thickness.SELECTED DRAWING: Figure 2
Patent JP-2020130933-A (JP)
Title: Pachinko game machine
Inventor: ONOZAWA YUKIO
IPC: A63F7/02
Filed: 2019-02-26
Abstract: To achieve further novel amusement in a game machine adopting a concept of creating a game progress state advantageous to a player.SOLUTION: A game machine includes a setting, and a main game part transmits a setting value command including information for showing a setting value at certain timing and a setting presence/absence command including information for showing whether a setting is mounted but transmits the setting presence/absence command without transmitting the setting value command at another timing.SELECTED DRAWING: Figure 194
Patent JP-2020138245-A (JP)
Title: Pumpkin cutting method and device, and pumpkin cutting cutter for use with the same
Inventor: OKABE TAKESHI
IPC: A23N15/00
Filed: 2019-02-27
Abstract: To cut a pumpkin so that it fits in a predetermined standard without waste.SOLUTION: A pumpkin cutting method has a first step of forming an annular slit 5 at an inclination angle α with first cutters 11A and 11B so that a certain range 6 of its apex part is separable from other part 7, and a second step of vertically cutting a half-cut pumpkin 1 in which the annular slit 5 has been formed with a second cutter 21. In the second step, the second cutter 21 has an annular blade 22 having a radius R coaxially with the half-cut pumpkin 1, and first and second radial blades 23A and 23B extending outward with respect to a center of the annular blade 22. The first step forms the annular slit 5 in the half-cut pumpkin 1 in a state in which the tips of the first cutters 11A and 11B proceed to a virtual ring having the radius R on a bottom surface 4 of the half-cut pumpkin 1 toward the inside from the outer peripheral side of the half-cut pumpkin 1.SELECTED DRAWING: Figure 1
Patent JP-2020139438-A (JP)
Title: Turbosupercharger
Inventor: WATANABE KAZUNARI
IPC: F02B39/00
Filed: 2019-02-27
Abstract: To prevent a phenomenon that high-speed rotation of a rotating shaft is suppressed due to resistance by oil flow, in a turbosupercharger including semi-floating-type bearing means.SOLUTION: A floating metal 15 is disposed on a bearing portion 14 to which an oil is supplied from an oil inflow passage 27, and a rotating shaft 3 is rotatably held through the floating metal 15. Oil reservoir portions 26 and 30 are formed inside and outside of the floating metal 15, and an oil introduction hole 31 is formed on the floating metal 15. The oil introduction hole 31 has an attitude to be kept into contact with an outer periphery of the rotating shaft 3, and is formed to discharge the oil in a direction to enhance the rotation of the rotating shaft 3. As the rotation of the rotating shaft 3 is enhanced by the oil, high supercharging responsiveness can be realized even in a high speed rotation zone.SELECTED DRAWING: Figure 3
Patent JP-2020138265-A (JP)
Title: Chatter vibration determination apparatus, machine learning device and system
Inventor: OIKAWA KOKI
IPC: B23Q15/12
Filed: 2019-02-27
Abstract: To provide an apparatus that has a function of determining occurrence of chatter vibration according to the state of cutting and enables adjustment of a machining condition for reducing the chatter vibration as required.SOLUTION: A chatter vibration determination apparatus 1 is provided with a machine learning device configured to observe machining condition data including a feed speed and a spindle rotation speed in cutting as state data representative of the current state of environment, execute processing related to machine learning using a learning model obtained by modeling the relationship of chatter vibration with a machining condition for the cutting, based on the state data, and estimate the occurrence/non-occurrence of chatter vibration and the improvement of the chatter vibration. The chatter vibration determination apparatus outputs the result of the estimation of the occurrence/non-occurrence of the chatter vibration and the improvement of the chatter vibration.SELECTED DRAWING: Figure 2
Patent JP-2020141544-A (JP)
Title: Rotary electric machine
Inventor: ASAE KOJI
IPC: H02K9/19
Filed: 2019-03-01
Abstract: To improve cooling performance in a rotary electric machine, especially, a stator after stop of supply of cooling liquid.SOLUTION: A cooling liquid holding surface 36a facing a core outer-periphery surface 24a which is an outer-periphery surface of a stator core is provided in a side wall 36 of a housing. The cooling liquid holding surface 36a is divided into a plurality of opposed regions 40 by transverse grooves 38 in a peripheral direction. Surface tension F3 generated on an upper side free surface and surface tension F4 generated on a lower edge of an opposed region 40 act on cooling liquid 44 between the core outer-periphery surface 24a and the cooling liquid holding surface 36a. The surface tensions F3 and F4 oppose gravity which acts on the cooling liquid 44, and thus the cooling liquid 44 is held.SELECTED DRAWING: Figure 3
Patent JP-2020143957-A (JP)
Title: Distance image generation device
Inventor: NISHINO SAKIKO
IPC: G06T7/593
Filed: 2019-03-05
Abstract: To provide a technique which can correct a parallax value in an erroneous matching region in a distance image.SOLUTION: A distance image generation device 110 mounted on a vehicle 10 comprises: a distance image generation unit 111 which generates a distance image expressing a distance to an object existing in a reference image by using right and left photographed images photographed by a stereo camera 122 as the reference image and a comparison image; a contrast image generation unit 112 which generates a contrast image for comparison with the distance image using a neural network; a correction region detection unit 113 which detects a correction region in the distance image corresponding to the region where the feature amount of the image becomes equal to or less than a predetermined threshold in the reference image; and a correction unit 114 which corrects the distance information of each pixel of the correction region in accordance with information on a corresponding portion of the correction region in the contrast image.SELECTED DRAWING: Figure 2
Patent JP-2020145838-A (JP)
Title: Charge control device of secondary battery
Inventor: KOMIYAMA KEITA
IPC: H01M10/48
Filed: 2019-03-06
Abstract: To provide a charge control device of a secondary battery which can more efficiently utilize performance of the secondary battery while suppressing deterioration of the secondary battery.SOLUTION: A plurality of control conditions which are the ones for restricting an allowance of charging current to the secondary battery are stored in a storage device according to recharge time in which charging to the secondary battery is continued and temperature of the secondary battery when the charging is performed. A charge control device calculates change amounts of the control conditions based at least on capacity deterioration of the secondary battery which is estimated from information of the temperature of the secondary battery (S1 to S7). The charge control device changes a control condition with the highest frequency of use when the charging is performed to the secondary battery within a fixed period among the plurality of control conditions on the basis of the change amounts (S8 to S15).SELECTED DRAWING: Figure 3
Patent JP-2020142667-A (JP)
Title: Vehicle roof box
Inventor: SAKAMOTO TETSUNAO
IPC: H01L31/042
Filed: 2019-03-06
Abstract: To provide a vehicle roof box which can protect articles stored therein even if a lid part tilts to generate power.SOLUTION: A vehicle roof box 1A is provided on a roof of a vehicle and includes: a base part 10 which has an opening at the upper side; a lid part 20 which may cover the opening and tilt relative to the base part 10; a power generation panel which is provided on an upper surface of the lid part 20 and may generate electric power by light; and an inner lid part 30 which is provided between the base part 10 and the lid part 20.SELECTED DRAWING: Figure 2
Patent JP-2020143856-A (JP)
Title: Defrosting schedule setting control method, cooling device and cooling equipment
Inventor: TAKAGI YUGO
IPC: F25D21/06
Filed: 2019-03-07
Abstract: To provide a defrosting schedule setting control method capable of setting a defrosting schedule with respect to a cooling device provided in cooling equipment such as freezing equipment and refrigeration equipment simply and properly at appropriate time, and to provide a cooling device and cooling equipment.SOLUTION: A defrosting schedule setting control method of a cooling device which performs defrosting processing on the basis of the initial defrosting schedule set in advance includes: a temperature gradient calculation step of acquiring a temperature gradient on an air blowing downstream side of an evaporator in the cooling device, after the defrosting processing is finished; and a change setting step of changing the next defrosting processing schedule, in the case where the temperature gradient acquired in the temperature gradient calculation step satisfies a predetermined condition.SELECTED DRAWING: Figure 4
Patent JP-2020150001-A (JP)
Title: Light receiving circuit, light receiving element, and apd array device
Inventor: ONO KATSUYUKI
IPC: H01L31/107
Filed: 2019-03-11
Abstract: To multiply an incident light signal an avalanche multiplier layer, and secure an appropriate multiplication factor of, for example, about 100 to 200 times.SOLUTION: A light receiving circuit includes an APD, and a temperature sensor BGR circuit that detects the temperature using a BGR circuit and changes and outputs a cathode bias voltage of the APD on the basis of the detected temperature. The APD has a guard ring region between a Pwell layer in an anode region and a Nwell layer in a cathode region, which is provided with an impurity concentration portion of a semiconductor substrate on the wafer surface side of a Deep Nwell layer conducting with the Nwell layer, and in the APD, the impurity concentration of the Pwell layer is higher than the impurity concentration of the Deep Nwell layer in order to make a breakdown voltage between the Pwell layer and the Nwell layer formed through the guard ring region higher than the breakdown voltage in an avalanche multiplier layer between the Pwell layer and the Deep Nwell layer.SELECTED DRAWING: Figure 3C
Patent JP-2020150706-A (JP)
Title: Electric power converter
Inventor: ISHIZEKI SHINICHI
IPC: F04B49/10
Filed: 2019-03-14
Abstract: To reduce electrostatic capacity of a capacitor provided in an electric power converter.SOLUTION: An electric power converter 100 comprises DC bus bars 81 and 82, a capacitor 32, and inverters 41 and 42, and supplies an AC power to motors 51 and 52. Both of the motors 51 and 52 cause a regenerative state and a power running state, repeatedly. The capacitor 32 is connected to between the DC bus bars 81 and 82. The inverter 41 converts the DC voltage V32 between the DC bus bars 81 and 82 into AC voltage V1, and applies the AC voltage to the motor 51. The inverter 42 converts the DC voltage V32 into AC voltage V2, and applies the AC voltage to the motor 52. The inverter 41 and 42 alternately generates a first state in which the motor 51 is in the power running state and the motor 52 is in the regenerative state, and a second state in which the motor 51 is in the regenerative state and the motor 52 is in the power running state.SELECTED DRAWING: Figure 1
Patent JP-2020146818-A (JP)
Title: Tube body cutting apparatus
Inventor: ISHIGE SHOICHI
IPC: B23D33/02
Filed: 2019-03-15
Abstract: To provide a tube body cutting apparatus capable of preventing generation of chips, enhancing a working efficiency and shortening an operation time when half-splitting tube bodies.SOLUTION: A tube body cutting apparatus comprises: plural circular blades 53 capable of cutting a tube body P; a blade support medium 51 rotatably supporting the plural circular blades 53, 53, respectively; and a mobile device 6 moving the blade support medium 51 or the tube body P in a longitudinal direction. The plural circular blades 53, 53 are pairs of blades 53, 53 facing each other holding the tube body P in between in a radial direction. In the blade support medium 51, a plurality of pairs of blades 53, 53 are arranged along the longitudinal direction, where the interval between the tips of the pair of blades 53, 53 facing each other narrows as heading for the movement direction of the blade support medium 51 or the tube body P.SELECTED DRAWING: Figure 7
Patent JP-2020154342-A (JP)
Title: Information processing device and information processing method
Inventor: TAKEBAYASHI RYO
IPC: G08G1/13
Filed: 2019-03-18
Abstract: To provide an information processing device and an information processing method that can notify a crew member of a piece of guidance information for suppressing the motion sickness of the crew member.SOLUTION: An information processing device 10 comprises: a crew member's state acquisition unit 34 for acquiring the state of motion sickness of a crew member P of a first vehicle M1; a vehicle retrieving unit 50 for retrieving a second vehicle M2 different from the first vehicle M1; and a notification control unit 52 for controlling a loudspeaker 18 and a display 20 so as to notify the crew member P of the first vehicle M1 of a piece of guidance information about a transfer to the second vehicle M2 when the crew member P is suffering from a motion sickness.SELECTED DRAWING: Figure 2
Patent JP-2020153411-A (JP)
Title: Oil supply device
Inventor: KAWAGUCHI YUTAKA
IPC: F16N7/38
Filed: 2019-03-19
Abstract: To provide an oil supply device which can prevent a lubrication object from breaking down due to insufficient supply of a lubrication oil.SOLUTION: An oil supply device includes: a mist lubrication oil generation part 2 which generates a mist lubrication oil 17; a mist lubrication oil supply part 15 which guides the mist lubrication oil 17 to a lubricated part 24 of a lubrication object 23; a detection part 41 which detects physical information which changes in a process that the lubrication object 23 shifts from a normally operated state to an abnormal state; a determination part 42 which analyzes the physical information to determine whether an abnormality exists; and an oil amount control part 43 which maximizes a generation amount of the mist lubrication oil 17 generated by the mist lubrication oil generation part 2 when the determination part 42 determines that the physical information is abnormal.SELECTED DRAWING: Figure 1
Patent JP-2020153777-A (JP)
Title: Inspection device
Inventor: SUGIMOTO KAZUYUKI
IPC: G01N23/04
Filed: 2019-03-19
Abstract: To provide an inspection device with which it is possible to improve the accuracy of inspection.SOLUTION: An X-ray inspection device comprises: a conveyance unit 5; an X-ray irradiation unit 6; an X-ray detection unit 7 having a first line sensor 11 and a second line sensor 12; a generation unit for generating a first transmission image on the basis of the electromagnetic wave detected by each first element 11a, and generating a second transmission image on the basis of the electromagnetic wave detected by each second element 12a; a calculation unit for calculating, for each of a plurality of first elements 11a and a plurality of second elements 12a, a luminance conversion function that causes the first output value of first element 11a based on the first transmission image and the second output value of second element 12a based on the second transmission image of the second element arranged facing the first element 11a to coincide or to be approximated; and a correction unit for correcting the first output value of each first element 11a and/or the second output value of each second element 12a on the basis of the luminance conversion function calculated by the calculation unit.SELECTED DRAWING: Figure 2