baber/WOPTO huggingface dataset:
Patent JP-2021042818-A (JP)
Title: Torque transmission device
Inventor: SUGAWARA TAKEHIKO
IPC: F16D23/14
Filed: 2019-09-12
Abstract: To realize a structure of a torque transmission device capable of preventing excessive torque from being transmitted, and capable of suppressing required strength.SOLUTION: A torque transmission device for transmitting torque between a torque generating section and a driving section includes a clutch device which can adjust a torque transmission rate, a controller for controlling the clutch device, and a torque sensor which can detect the torque transmitted by a rotary member constituting the torque transmission device. The controller controls the clutch device so that the torque transmitted by the rotary member is decreased to a prescribed value that is not zero by decreasing the torque transmission rate by the clutch device when the torque detected by the torque sensor satisfies a prescribed condition.SELECTED DRAWING: Figure 1
Patent JP-2021045910-A (JP)
Title: Image developing body with guide, display kit, light transmission layer and mold
Inventor: INOKUCHI MASAMI
IPC: G09F19/12
Filed: 2019-09-19
Abstract: To provide an image developing body that does not extremely deteriorate visibility of a visible image, even when a concealment pattern overlaps a printing pattern of the visible image.SOLUTION: The developing body with a guide is overlapped with a display body having a plurality of strip regions regularly aligned in a width direction in which a latent image that becomes developed when partially concealed is recorded on the plurality of strip regions. The image developing body with the guide includes first and second regions R1, R2 each having a shape extending in a first direction, which are alternately and regularly aligned in a second direction intersecting with the first direction. A light deflecting structure having a light deflecting property is provided in each of the first regions R1, and each of the second regions R2 includes a light transmission layer 14 which is a transparent region having a flat front surface and a flat back surface.SELECTED DRAWING: Figure 3
Patent JP-2021050264-A (JP)
Title: Adhesive composition and adhesive film
Inventor: KOMATSUZAKI Yuki
IPC: C09J11/08
Filed: 2019-09-24
Abstract: To provide an adhesive composition having a higher adhesive force and imparting good sticking property while maintaining optical transparency.SOLUTION: The adhesive composition of the present invention comprises an acrylic polymer (A), a crosslinking agent (B) and a plasticizer (C). The acrylic polymer (A) comprises a unit derived from a (meth)acrylate monomer (a1), a unit derived from a nitrogen-containing monomer (a2), and a unit derived from at least one monomer selected from the group consisting of a monomer (a3) having an acid group and a monomer (a4) having a hydroxyl group. The plasticizer (C) comprises an esterified product of a compound (c1) having a hydroxyl group and a compound (c2) having an acid group, and the plasticizer (C) has a number average molecular weight of 6,000 or less.SELECTED DRAWING: None
Patent JP-2021050265-A (JP)
Title: Two-liquid type urethane coating composition
Inventor: HATAYAMA YUKI
IPC: C09D175/04
Filed: 2019-09-24
Abstract: To provide a one-coat type coating that can be applied to many kinds of metals.SOLUTION: A two-liquid type urethane coating composition contains at least (A) a hydroxy group-containing resin, (B) a hydroxy group-containing resin smaller in hydroxyl value and lower in Tg than (A), (C) an amino group-containing silane coupling agent, and (D) a curing agent.SELECTED DRAWING: None
Patent JP-2021051019-A (JP)
Title: Insulator inspection apparatus and insulator inspection method
Inventor: MURATA HIROSHI
IPC: G01N22/00
Filed: 2019-09-25
Abstract: To inspect an insulator not visually, but in a manner of having no contacting and destruction.SOLUTION: An insulator inspection device 1 measures an insulator 2. The insulator 2 to be inspected has a metallic pin 3 and a cap 4 which are insulated from each other by an insulating body 5. The insulator inspection device 1 comprises a transmission part 6, a reception part 7, and a measurement part 8. The transmission part 6 transmits an electromagnetic wave as a signal u for measurement to a tip part 31 of the pin 3. The reception part 7 receives a transmission signal w. The transmission signal w is an electromagnetic wave of the signal u for measurement which is transmitted to a cap 4 from the tip part 31 of the pin 3 and emitted from the cap 4. The measurement part 8 generates the signal u for measurement, and measures frequency characteristics of a transmission coefficient of the transmission signal w to the signal u for measurement. A frequency of the signal u for measurement can be set in a frequency range including at least one resonance frequency when an insulator 2 is brand-new.SELECTED DRAWING: Figure 1
Patent JP-2021056320-A (JP)
Title: Zoom lens and image capturing device having the same
Inventor: KIMURA KOHEI
IPC: G02B15/16
Filed: 2019-09-27
Abstract: To provide a compact zoom lens which has a wide angle of view and offers superior optical performance over an entire zoom range.SOLUTION: A zoom lens (1a-1e) provided herein consists of a first lens group (L1) having negative refractive power and a rear group (LR) comprising one or more lens groups and having positive refractive power as a whole, arranged in order from the object side to the image side, and is configured such that distances between adjacent lens groups change while zooming. The first lens group comprises at least three convex meniscus lenses (Gm1, Gm2, Gm3) having negative refractive power, where at least one surface of the three meniscus lenses is an aspherical surface with a positive aspherical surface amount. A thickness D1 of the first lens group, a back focus skw at the wide-angle end, a total optical length TTDw of the zoom lens from a surface on the most object side to the image plane at the wide-angle end, and a focal length f1 of the first lens group satisfy predetermined conditions.SELECTED DRAWING: Figure 1
Patent JP-2021059138-A (JP)
Title: Power transmission device
Inventor: KAWANISHI HIROSHI
IPC: F16H57/04
Filed: 2019-10-03
Abstract: To inhibit deterioration of workability and inhibit refrigerant leakage during attachment and detachment of an electric pump.SOLUTION: A power transmission device includes: a power transmission unit which transmits power; a case which houses the power transmission unit and stores a refrigerant at a bottom part; an electric pump having a fixing part detachably fixed to the outer side of the case; and a pipeline member which is disposed near the fixing part and fixed to the outer side of the case and into which the refrigerant from the bottom part of the case flows. The pipeline member has: a first pipeline disposed near the fixing part of the electric pump; and a second pipeline detachably connected to the first pipeline. The first and second pipelines are connected at a position higher than a liquid level of the refrigerant stored at the bottom part of the case.SELECTED DRAWING: Figure 2
Patent JP-2020025459-A (JP)
Title: Dc power supply unit and air conditioner mounting the same
Inventor: KITAYAMA TORU
IPC: H01L21/336
Filed: 2019-10-16
Abstract: To provide a DC power supply unit having a high circuit efficiency with a small number of components capable of implementing a DC output power supply improving a power factor of AC power supply to obtain high output voltage, as well as to provide an efficient air conditioner.SOLUTION: A DC power supply unit has a bridge rectifier circuit having first and second MOSFETs (Q1 and Q2) and first and second diodes D1 and D2, a reactor 12, a smoothing capacitor 13, and a control circuit 16 repeating a plurality of times operations of turning on/off so as to energize either one of the MOSFETs. The MOSFETs have a super junction structure, and either diffuse heavy metal to a p-type semiconductor layer, or irradiated with particle beam of heavy particles. The control circuit repeats a plurality of times within a half period of AC power supply operations of: turning off the MOSFET on a side of shorting the AC power supply; turning on the MOSFET on a side of circulating to the smoothing capacitor after a predetermined time period; and turning off the MOSFET on the side of circulating to the smoothing capacitor before a predetermined time period of turning on the MOSFET on the side of shorting the AC power supply.SELECTED DRAWING: Figure 1
Patent JP-2020074389-A (JP)
Title: Transistor with high concentration of boron doped germanium
Inventor: ANAND S MURTHY
IPC: H01L21/336
Filed: 2019-10-16
Abstract: To provide a transistor having a high concentration of a boron doped germanium.SOLUTION: In MOS transistor 100B, an in situ boron (B) doped germanium (Ge), or alternatively, B doped silicon germanium (SiGe) capped with heavily B doped Ge layer are provided using a selective epitaxial deposition, in a source region 110 and a drain region 112 and their corresponding tip regions 110B and 112B. Ge concentration can be in excess of 50 atom% and up to 100 atom%, and B concentration can in excess of 1E20 cm. A buffer providing graded Ge concentration and/or B concentration are used to better interface of a plurality of layers. The concentration of B doped in Ge at the epi-metal interface effectively lowers parasitic resistance without degrading tip abruptness.SELECTED DRAWING: Figure 1B
Patent JP-2021065808-A (JP)
Title: Liquid jet nozzle and vehicle sensor cleaning device
Inventor: HAYASHI KIYOSHI
IPC: B05B1/26
Filed: 2019-10-18
Abstract: To provide a vehicle sensor cleaning device, which can inject cleaning liquid in a wide range while inhibiting a body structure from being enlarged in size.SOLUTION: A cleaning liquid jet nozzle 20 comprises a chip body 26 having an introduction port 44 through which liquid is introduced and a chip 28, supported on the chip body 26, in which a first spout port 76 and a second spout port 78 through which the liquid introduced through the introduction port 44 is spouted respectively are formed. In the chip 28 is formed a first groove 72 constituting a part at a downstream side of a first flow path 86 through which the liquid spouted from the introduction port 44 toward the first spout port 76 flows and also is formed a second groove 74 constituting a part at a downstream side of a second flow path 88 through which the liquid spouted from the introduction port 44 toward the second spout port 78 flows. An angle θx formed by the first groove 72 and the second groove 74 is set so that the liquid spouted from the first spout port 76 and the liquid spouted from the second spout port 78 collide with each other.SELECTED DRAWING: Figure 6
Patent JP-2021068985-A (JP)
Title: Camera state determination method, camera state determination device, imaging system, and camera control method
Inventor: FUJIWARA HIROKI
IPC: H04N7/18
Filed: 2019-10-21
Abstract: To provide an environment that allows a training person to easily take a moving image of a state of his or her training.SOLUTION: A camera state determination method for determining a state of a camera constituted to take a moving image comprises steps of: displaying a marker image on a client device, the marker image having imaging information about taking a moving image, embedded therein; recognizing the imaging information embedded in the marker image displayed on the client device; determining the state of the camera by referring to the recognized imaging information; and executing display control corresponding to the state of the camera.SELECTED DRAWING: Figure 3
Patent JP-2020006278-A (JP)
Title: Game machine
Inventor: ANDO NOBORU
IPC: A63F5/04
Filed: 2019-10-22
Abstract: To provide a game machine which can suppress interests from lowering.SOLUTION: A plurality of types of patterns are imparted and a plurality of pattern rows to be scrolled are provided. When a stop operation is executed, the pattern rows which are being scrolled are stopped. A display area is provided in which a plurality of patterns are displayed, for each pattern row, when a plurality of pattern rows are stopped. A game result is shown by a pattern combination to be configured crossing over a plurality of pattern rows out of patterns displayed in the display area. Variable display means appears so as to block visible recognition for the pattern imparted to any reel, on the basis of establishment of a predetermined condition. The variable display means appears when a pattern row is being scrolled.SELECTED DRAWING: Figure 55
Patent JP-2021065620-A (JP)
Title: Chair
Inventor: YOKOYAMA TAKESHI
IPC: A47C7/40
Filed: 2019-10-28
Abstract: To improve easy attachment and design of mesh material in a mesh-type backrest.SOLUTION: A backrest 4 is configured such that a sheet material 18 (mesh material) is stretched to the back frame 17, and a side member 19 of the back frame 17 is in a triangular cross-section having a front face 26, outer peripheral face 27, and inner peripheral face 28. The sheet material 18 is rolled on a back side of the side member 19 and reaches the inner peripheral face 28, and is exposed on the outer peripheral face 27 and is covered with the side cover 70 on the inner peripheral face 28. Since the sheet material 18 covers the outer peripheral face 27, the mesh type is emphasized in back view. Since the sheet material 18 is fixed to the inner peripheral face 28, the sheet material 18 can be easily stretched to be attached while causing no degradation in appearance since the fixing part of the sheet material 18 is covered with the side cover 70.SELECTED DRAWING: Figure 1
Patent JP-2020048199-A (JP)
Title: Imaging device and spectroscopic system
Inventor: ANDO TAKAMASA
IPC: H04N9/07
Filed: 2019-10-30
Abstract: To provide an encoding element for suppressing occurrence of coma aberration and degradation in resolution caused by the occurrence of coma aberration.SOLUTION: An imaging device D1 includes an encoding element C having a plurality of regions arranged two-dimensionally on an incident optical path, and an imaging element S. Each of the plurality of regions includes a first region and a second region, the wavelength distribution of light transmittance of the first region has a local maximum value in each of first and second wavelength regions different from each other, and the wavelength distribution of light transmittance of the second region has a local maximum value in each of third and fourth wavelength regions different from each other. When the wavelength distribution of the light transmittance of the first region is normalized so that the maximum value is 1 and the minimum value is 0, the local maximum values in the first and second wavelength regions are all 0.5 or more, and when the wavelength distribution of the light transmittance of the second region is normalized so that the maximum value is 1 and the minimum value is 0, the local maximum values in the third and fourth wavelength regions are all 0.5 or more. At least one of the first and second wavelength regions is different from the third and fourth wavelength regions.SELECTED DRAWING: Figure 4
Patent JP-2021076153-A (JP)
Title: Screw mounting member and display
Inventor: TERAJIMA TATSUYA
IPC: H04N5/64
Filed: 2019-11-07
Abstract: To provide a screw mounting member capable of suppressing deterioration in strength and suppressing deformation due to stress of a screw, and a display.SOLUTION: A screw mounting member comprises a structure, an insertion hole that is formed in the structure and through which a screw is passed, and a hole part formed in the structure. In the structure, the peripheral edge part of the insertion hole comes into contact with the seating surface of the head of the screw. The insertion hole is formed so that the distance between an inner peripheral surface and a central axis of the insertion hole changes in a circumferential direction. The hole part is formed around a proximity part smaller than an average value of the distances to the central axis in the insertion hole.SELECTED DRAWING: Figure 6
Patent JP-2021075916-A (JP)
Title: Solidification method of soil slurry
Inventor: NAGASAWA KOJI
IPC: C04B28/02
Filed: 2019-11-11
Abstract: To provide a solidification method of soil slurry allowing flowability of the soil slurry produced in a ground improvement method and a dredge operation to be adequately lowered enough to be solidified in a condition suitable for transportation on trucks and like.SOLUTION: A solidification method of soil slurry is a method to solidify the soil slurry after adding hydraulic setting powder, aluminum sulfate, and calcium sulfate in the soil slurry including soil and water, of which the aluminum sulfate/the calcium sulfate, a mass ratio of an additive amount of the aluminum sulfate and an additive amount of the calcium sulfate in terms of anhydride, is 55/45 or more to 95/5 or less.SELECTED DRAWING: None
Patent JP-2021021179-A (JP)
Title: Stripe jacquard free cut warp knitted fabric and method for knitting the same
Inventor: PENG CHANGSHENG
IPC: A41D31/04
Filed: 2019-11-11
Abstract: To provide a warp knitted fabric which can be freely cut, in which raveling hardly occurs, which does not require edge sewing, and which has a stripe Jacquard effect and a method for knitting the same.SOLUTION: There is provided a method for knitting a stripe jacquard free cut warp knitted fabric that is knitted with a warp knitting machine comprising a first bar GB1 and a second bar GB2. The method for knitting includes forming a front surface of the knitted fabric by an Atlas wrapping motion by an open loop for three stitches so that a non-elastic yarn penetrates through a guide needle of the first bar, and forming a back surface of the knitted fabric by the Atlas wrapping motion by an open loop for three stitches in the same direction as that of the non-elastic yarn so that an elastic yarn penetrates a guide needle of the second bar.SELECTED DRAWING: Figure 1
Patent JP-2020113250-A (JP)
Title: Sensor system using drawing antenna
Inventor: YOON YONG JUN
IPC: A61B5/11
Filed: 2019-11-12
Abstract: To provide a sensor system including a tag with a drawing antenna which has a small volume and does not require a separate battery.SOLUTION: A sensor system includes: a tag unit that includes a first sensor having a drawing antenna and a drawing resistance, and is configured to generate a sensing signal corresponding to an extent of drawing of the drawing resistance and transmit the sensing signal to a reading unit via the drawing antenna, and to operate in a first region corresponding to a first frequency; and a reading unit that is coupled to the tag part by induction coupling, and is configured to receive and read the sensing signal, and to operate in a second region corresponding to a second frequency. The first frequency is within a range of 30 MHz or higher and 50 MHz or lower, and the second frequency is different from the first frequency.SELECTED DRAWING: Figure 1
Patent JP-2020093086-A (JP)
Title: Separation film device and method for producing the same
Inventor: HAN AI-SHAN
IPC: B01D69/00
Filed: 2019-11-13
Abstract: To provide a separation film device that suppresses contact between an adsorbent and a liquid to be treated, and can efficiently remove a removal target material.SOLUTION: A separation film device has a hollow fiber membrane, and a casing that covers the hollow fiber membrane. In a space between the outside of the hollow fiber membrane and the casing, granules with an average particle size of 0.01 μm-100 μm are included.SELECTED DRAWING: None
Patent JP-2021079716-A (JP)
Title: Sign control device, vehicle, and program
Inventor: SAKAKIBARA NAOYA
IPC: B60L53/36
Filed: 2019-11-14
Abstract: To enable a positional deviation between a power transmission device on a road and a vehicle 40 to be shown in such a manner as to be easily visually recognized by a driver.SOLUTION: A sign control device controls a sign to a driver of a vehicle 40 which performs power transmission in a non-contact manner between itself and a power transmission device provided on a road during traveling. The sign control device includes a sign control unit for allowing a sign to be formed so as to show a position at which a reference object having a predetermined positional relationship with the power transmission device is to be seen from the driver. A program allows a computer to function as the sign control device.SELECTED DRAWING: Figure 3
Patent JP-2021082442-A (JP)
Title: Display device and electronic apparatus
Inventor: OTA HITOSHI
IPC: H05B33/26
Filed: 2019-11-18
Abstract: To reduce the size of a display device.SOLUTION: A display device includes a display region including a pixel circuit provided at an intersection between a scan line and a data line, a data line driving circuit that supplies a data signal to the data line, and an opening defining layer with an insulating property provided between a conductive layer and a common electrode. The pixel circuit includes a light-emitting element including a light-emitting function layer provided between a pixel electrode and the common electrode. The light-emitting element emits light on the basis of the data signal when the scan line is selected. The opening defining layer includes an opening outside a light-emitting region in a plan view. A part of the opening along one side overlaps with the data line driving circuit in a plan view, and the width of the part along the one side is larger than the width of the part along another side. The common electrode is electrically connected to the conductive layer in the opening.SELECTED DRAWING: Figure 7
Patent JP-2020029399-A (JP)
Title: Glass substrate for high frequency device, and circuit board substrate for high frequency device
Inventor: ONO KAZUTAKA
IPC: C03C4/16
Filed: 2019-11-18
Abstract: To provide a glass substrate for a high frequency device capable of reducing a dielectric loss of a high frequency signal and providing a practical electrical device.SOLUTION: A glass substrate 2 contains alkali metal oxide in a range of 0.001 to 5% by molar percentage based on oxide, and has a molar ratio represented by NaO/(NaO+KO) in the alkali metal oxide in a range of 0.01 to 0.99, contains AlOand BOin a range of 1 to 40% as a total content, and has a molar ratio represented by AlO/(AlO+BO) in a range of 0 to 0.45, and mainly contains SiO. Surface roughness of at least one main surface of the glass substrate 2 is 1.5 nm or less as a value of arithmetic average roughness Ra, and a dielectric loss tangent at 35 GHz is 0.007 or less.SELECTED DRAWING: Figure 1
Patent JP-2021080127-A (JP)
Title: Peeling method and method for manufacturing crystalline oxide film
Inventor: TORIYAMA TATSUYA
IPC: H01L21/368
Filed: 2019-11-19
Abstract: To provide a method for manufacturing a crystalline oxide film, capable of industrially, advantageously obtaining a crystalline oxide self-supporting film having a corundum structure useful for a semiconductor device and the like, and a peeling method.SOLUTION: The method for manufacturing a crystalline oxide film comprises: depositing a crystalline oxide film including a main component different from the main component of a crystal growth substrate through a peeling sacrificial layer by crystal growth on the crystal growth substrate having a crystal growth surface and a corundum structure, having different linear thermal expansion coefficients in a first direction along the crystal growth surface and a second direction vertical or approximately vertical to the first direction along the crystal growth surface and having the linear thermal expansion coefficient in the first direction larger than that in the second direction; and peeling the crystalline oxide film from the crystal growth substrate from the second direction using the peeling sacrificial layer.SELECTED DRAWING: Figure 2