baber/WOPTO huggingface dataset:
Patent JP-2022067640-A (JP)
Title: Piston for internal combustion engine and manufacturing method
Inventor: PETER BECHTOLD
IPC: F16J1/08
Filed: 2021-10-14
Abstract: To provide a piston for an internal combustion engine and a production method of such a piston improved or at least other embodiments which are characterized in particular by a simplified and cost-effective production.SOLUTION: The present invention relates to a piston 1 for an internal combustion engine. The piston 1 comprises a piston outer face 13 having a piston crown in an axial direction 2, and located at an outermost side in a radial direction which follows an elliptical course in the circumferential direction 5, and a ring part having an annular groove. The ring part comprises a ring part outer face 14 which is moved to the inside of the radial direction with respect to the piston outer face 13, and offset to the inside of the radial direction with respect to the piston outer face 13. In a viewpoint that the ring part outer face 14 follows a course which is rotationally symmetric to the circumferential direction 5, the simplified manufacturing of the piston 1 can be performed. Furthermore, this invention relates to a manufacturing method of such a piston 1.SELECTED DRAWING: Figure 2
Patent JP-2022009304-A (JP)
Title: 2-Aminoquinazolinone derivative
IPC: C07D239/95
Filed: 2021-10-20
Abstract: PROBLEM TO BE SOLVED: To provide a 2-aminoquinazolinone derivative. 
     SOLUTION: The present invention relates to a compound represented by formula (1) or a pharmaceutically acceptable salt thereof [where X 1  is CR 1  or N; X 2  is CR 2  or N; X 3  is CR 3  or N; Y is optionally substituted C 6-10  aryl or optionally substituted 6-10 membered heteroaryl; Z is optionally substituted C 6-10  aryl; R A  is a hydrogen atom, halogen, cyano, optionally substituted C 1-6  alkyl sulfonyl, optionally substituted C 1-6  alkyl, or optionally substituted C 1-6  alkoxy; R 1 , R 2  and R 3  independently represent a hydrogen atom, halogen, optionally substituted C 1-6  alkyl, or optionally substituted C 1-6  alkoxy]. 
     SELECTED DRAWING: None 
     COPYRIGHT: (C)2022,JPO&INPIT
Patent JP-2023061692-A (JP)
Title: Map creation vehicle
Inventor: INOUE TAKAHIRO
IPC: G05D1/02
Filed: 2021-10-20
Abstract: To provide a technology capable of easily creating accurate map data for a mobile robot even without having an actual machine of the mobile robot.SOLUTION: A map creation vehicle includes a vehicle body to be run by being hand-pushed or hand-guided by a person, a sensor for map creation for measuring a peripheral environment, and a processing unit for creating map data of the peripheral environment by using data measured by the sensor for map creation while making the vehicle body run. The sensor for map creation is arranged in the vehicle body with such an arrangement to be able to acquire the same measurement field as the sensor mounted on the robot.SELECTED DRAWING: Figure 1
Patent JP-2023064280-A (JP)
Title: Display device for vehicle
Inventor: NAKAMURA TAKESHI
IPC: G02B27/01
Filed: 2021-10-26
Abstract: To provide a display device for a vehicle, configured to improve visibility of a virtual image while suppressing complication of the device.SOLUTION: A display device for a vehicle comprises: an image display device that displays an image; and an optical system disposed between a reflective surface facing an eye point of the vehicle, and the image display device, the optical system forming a left eye optical path and a right eye optical path. The left eye optical path is an optical path that guides display light of the image display device to a left eye location EL of an eye point EP, and the right eye optical path is an optical path that guides the display light to a right eye location ER of the eye point. A convergence angle corresponding to the optical path length of the left eye optical path and the right eye optical path is a first angle θ1. The optical system is configured to set a convergence angle θ0 to be smaller than the first angle θ1, the convergence angle being set for viewing an image by display light from the eye point.SELECTED DRAWING: Figure 7
Patent JP-2023065867-A (JP)
Title: Working state monitoring system, working state monitoring method, and working state monitoring program
Inventor: YOSHIZAWA SHINTARO
IPC: G05B19/418
Filed: 2021-10-28
Abstract: To provide a working state monitoring system capable of estimating a working state of a monitoring object, which is a worker or the like, for one or more pieces of work, with a small volume of information, so as to efficiently monitor the working state, a working state monitoring method, and a working state monitoring program.SOLUTION: A working state monitoring system according to the present embodiment includes: an acquisition unit which acquires information regarding one or more work areas; a monitoring object detection unit which detects any of a worker being a monitoring object and a prescribed moving body to specify a first monitoring object area where the monitoring object is present; a first determination unit which determines whether the monitoring object has performed work in one or more work areas on the basis of presence or absence of an interference to one or more work areas from the first monitoring object area; an information generation unit which generates information regarding work made by the monitoring object in one or more work areas on the basis of the determination result of the first determination unit; and an output unit which outputs information which is generated by the information generation unit and regarding the work made by the monitoring object.SELECTED DRAWING: Figure 1
Patent JP-2023066206-A (JP)
Title: Controller for vibration type actuator
Inventor: NAGATA TAIGA
IPC: H04N23/50
Filed: 2021-10-28
Abstract: To provide a controller for a vibration type actuator, capable of suppressing a change in control characteristics by a change in frequency characteristics.SOLUTION: A controller for a vibration type actuator, which includes a vibrator having an electric-mechanical energy conversion element and a contact body in contact with the vibrator, relatively moving the vibrator and the contact body on the basis of a plurality of pulse signals, maintains the frequencies of the plurality of pulse signals and changes pulse widths of the plurality of pulse signals, thereby controlling a relative movement speed as a relative movement speed between the vibrator and the contact body and changing the frequency so that the pulse width and the relative movement speed satisfy a prescribed relation when controlling the relative movement speed.SELECTED DRAWING: Figure 2
Patent JP-2022020733-A (JP)
Title: Processing of ununiform grating
IPC: G02B5/18
Filed: 2021-11-02
Abstract: PROBLEM TO BE SOLVED: To provide processing of ununiform grating. 
     SOLUTION: A method for processing ununiform grating comprises: a step of injecting ions having different density into a corresponding area of a substrate; a step of for example, by lithography, patterning a resist layer on a substrate; a step of etching the substrate using the patterned resist layer; and a step of subsequently, removing the resist layer from the substrate, and leaving the substrate with at least one ununiform grating which has ununiform characteristic associated with the ions having different density injected into the area. The method further may comprise a step of processing the corresponding grating having corresponding ununiform characteristic, by for example, nanoimprint lithography, using a substrate having grating, as a mold. 
     SELECTED DRAWING: Figure 2 
     COPYRIGHT: (C)2022,JPO&INPIT
Patent JP-2023069205-A (JP)
Title: electric compressor
Inventor: ITO SHOGO
IPC: F04D25/16
Filed: 2021-11-05
Abstract: To allow an electric motor to be efficiently cooled, and reduce the size of an electric compressor.SOLUTION: An electric compressor 10 comprises a housing 11, a rotating shaft 23 rotatably supported by the housing 11, an electric motor 25 for rotating the rotating shaft 23, and a first compression part 31 and a second compression part 32 to be driven by the rotation of the rotating shaft 23, and for compressing air. The electric compressor 10 also comprises a first bearing 21 supporting a first end of the rotating shaft 23, and a second bearing 22 supporting a second end of the rotating shaft 23. The first bearing 21, the first compression part 31, the electric motor 25, the second compression part 32, and the second bearing 22 are arranged in this order in the axial direction of the rotating shaft 23. The first compression part 31 is an axial flow type for discharging compressed air toward the electric motor 25. The second compression part 32 compresses the air compressed by the first compression part 31.SELECTED DRAWING: Figure 1
Patent JP-2023071038-A (JP)
Title: display device and television receiver
Inventor: OSHIMA YOSHIHIRO
IPC: G09F9/00
Filed: 2021-11-10
Abstract: To suitably emit sound toward the front of a display device, and obtain natural sound image localization.SOLUTION: In a display device with one or more speakers, the speaker is arranged on at least one of the upper side, the right side, and the left side of the peripheral portion on the back side of the display device, and the sound emitting surface of the speaker is inclined such that the normal line of the sound emitting surface is inclined toward the front side of the display device.SELECTED DRAWING: Figure 2
Patent JP-2023071308-A (JP)
Title: Laser beam machining apparatus
Inventor: NAGATOSHI KEITA
IPC: H01S3/00
Filed: 2021-11-11
Abstract: To appropriately drive a corresponding unit.SOLUTION: A laser beam machining apparatus 10 includes a controller unit 11, a light source unit 12, and a head unit 13. The light source unit 12 includes a laser light source 44, a light source drive circuit 43, and a light source control part 41. The light source control part 41 is structured so as to transmit a response signal in response to a request signal. The controller unit 11 includes a light source power supply circuit 25 supplying a light source drive voltage PL to the light source drive circuit 43. A main control part 21 of the controller unit 11 transmits the request signal, and determines whether the light source unit 12 is drivable or not on the basis of the received response signal. When it is determined that the light source unit 12 is drivable, the light source drive voltage PL is supplied to the light source drive circuit 43 from the light source power supply circuit 25. When it is determined that the light source unit 12 is not drivable, the light source drive voltage PL is not supplied to the light source drive circuit 43 from the light source power supply circuit 25.SELECTED DRAWING: Figure 2
Patent JP-2023072772-A (JP)
Title: Driving assistance device
Inventor: KAMAKURA HIROSHI
IPC: G08G1/16
Filed: 2021-11-15
Abstract: To provide a driver of a vehicle crossing a traveling path of a railway vehicle with useful information by means of an inexpensive configuration.SOLUTION: A driving assistance device 100 is configured to assist in driving of a driver of a self-vehicle positioned on a side of a traveling path traveled by a streetcar, and comprises: an approach recognition unit 21 that recognizes an approach of a streetcar along the traveling path to the self-vehicle from obliquely back of the self-vehicle via a signal from a radar sensor 1; a direction estimation unit 22 that estimates a traveling direction of the self-vehicle at an intersection; and a display control unit 23 that controls a display unit 5 so as to notify the driver of the approach of the streetcar when such a travel that crosses the traveling path is estimated by the direction estimation unit 22 and also an approach of the streetcar to the self-vehicle is recognized by the approach recognition unit 21.SELECTED DRAWING: Figure 2
Patent JP-2022177778-A (JP)
Title: Laminated electronic component and dielectric composition
Inventor: YOON SEOK HYUN
IPC: H01G4/30
Filed: 2021-11-15
Abstract: To provide a laminated electronic component and a dielectric composition, satisfying X7R or X7S capacitance temperature characteristics by improving room temperature dielectric constant, dc-bias characteristics, and high temperature withstand voltage characteristics.SOLUTION: A laminated electronic component includes a body including a dielectric layer and an inner electrode, and an external electrode arranged in the body and connected to the inner electrode. The dielectric layer includes first crystal grains 11 and second crystal grains 12. The first crystal grains have a core-shell structure including a shell 11b satisfying, in atomic ratio, 2*Sn/(Ba+Ti+Sn) or 2*Hf/(Ba+Ti+Hf) of 1.0% or more and 5.0% or less and a core 11a satisfying, in atomic ratio, 2*Sn/(Ba+Ti+Sn) and 2*Hf/(Ba+Ti+Hf) of less than 1.0%. The second crystal grains satisfying, in atomic ratio, 2*Sn/(Ba+Ti+Sn) and 2*Hf/(Ba+Ti+Hf) of less than 1.0%. Of the total area of the first and second crystal grains, an area of the first crystal grains is 28.3 to 82.3%.SELECTED DRAWING: Figure 5
Patent JP-2023073100-A (JP)
Title: Walking support system
Inventor: KAWAMURA HIROAKI
IPC: G06T7/00
Filed: 2021-11-15
Abstract: To provide a walking support system that enables a signal to be appropriately recognized.SOLUTION: A correction angle which is an angle between a reference transverse direction which is a direction orthogonal to an extending direction of a white line of a crosswalk and an imaging direction of a camera 20 is calculated by a yawing angle calculation unit 85b on the basis of an image obtained by the camera 20, and a movement for making the correction angle small is commanded to a pedestrian by the vibration of a vibration generator 50. Thereby, it is possible to substantially match the imaging direction of the camera 20 with the reference transverse direction, and it is possible to cause a signal to exist in the angle of view of the camera 20 so that the signal can be appropriately recognized even in a situation that the signal does not exist in the angle of view of the camera 20 due to a fact that the correction angle is large.SELECTED DRAWING: Figure 3
Patent JP-2022087817-A (JP)
Title: Substrate information analysis system and method therefor
Inventor: TSOU CHIA-CHUN
IPC: G01B11/02
Filed: 2021-11-16
Abstract: To provide a substrate information analysis system.SOLUTION: There is provided a substrate information analysis system used to analyze a substrate. The substrate information analysis system has at least one or more sensor devices, an image survey module, and a characteristic analysis module. A sensor device detects a target region of the substrate and acquires a wiring image. The image survey module is coupled to the at least one or more sensor devices, and generates wiring size information based upon the wiring image. The characteristic analysis module generates wiring characteristic information based upon the wiring size information.SELECTED DRAWING: Figure 1
Patent JP-2023074529-A (JP)
Title: game machine
Inventor: OGURA TOSHIO
IPC: A63F7/02
Filed: 2021-11-18
Abstract: To provide a game machine capable of updating an appropriate random number value.SOLUTION: A random number for winning patterns and a random number for normal pattern winning patterns can be updated within each update range by common update processing, such as initial value change random number update processing P_RANCP that is called and can be executed by random number update processing P_RANDOM. For a random number for a normal pattern winning pattern, the total number of random number values included in an update range becomes a prime number. Therefore, for at least one random number value that can be updated by common update processing, the total of the random number values included in the update range is a prime number. A performance control CPU 120 displays a first background display 004SG081 during a first customer-waiting period (first period) after completion of a game (stop display of a variable display) in a low-base state and displays a demonstration movie during a second customer-waiting period (second period) after completion of the first customer-waiting period.SELECTED DRAWING: Figure 10-12
Patent JP-2023077616-A (JP)
Title: Storage device and liquid ejection apparatus
Inventor: HOSOKAWA YASUHIRO
IPC: B41J2/175
Filed: 2021-11-25
Abstract: To improve the detection accuracy of the storage amount of object.SOLUTION: A storage device comprises: a storage section including a plurality of walls and storing an object in a space surrounded by the plurality of walls; a first electrode provided in a first portion of a first wall among the plurality of walls; and a second electrode provided in a second portion of a second wall among the plurality of walls. The storage section has an ejection port through which the object is ejected from the space, where at least a portion of the ejection port is positioned between the first portion and the second portion, when the ejection portion is viewed from a first direction that is a direction in which the object decreases in the storage section.SELECTED DRAWING: Figure 5
Patent JP-2023077695-A (JP)
Title: Multistage compressor
Inventor: NAKAJIMA MASASUKE
IPC: F04D29/28
Filed: 2021-11-25
Abstract: To provide a multistage compressor capable of reducing thrust force with a simple structure.SOLUTION: A multistage compressor 1 comprises a low-stage impeller 3, and a high-stage impeller 5 that is provided on a common shaft 6 with the low-stage impeller 3 in a direction opposite to the low-stage impeller 3 and further compresses gas compressed by the low-stage impeller 3, where an inlet-side hub diameter D3 of the low-stage impeller 3 is larger than an inlet-side hub diameter D5 of the high-stage impeller 5.SELECTED DRAWING: Figure 3
Patent JP-2023081505-A (JP)
Title: Image forming apparatus
Inventor: SHIDA TOMONORI
IPC: G03G15/16
Filed: 2021-12-01
Abstract: To prevent a reduction in image quality due to a transfer failure in an image forming apparatus that outputs voltages having a positive polarity and a negative polarity in a superimposed manner from a common power supply to a transfer member, and outputs a voltage with any one of the polarities from the common power supply to a static eliminating member.SOLUTION: An image forming apparatus has: transfer means that transfers a developer image on an image carrier to a recording material; static eliminating means that eliminates static electricity on the recording material; a first circuit that applies a first voltage having a polarity opposite to the electrification polarity of developer to the transfer means; a second circuit that is connected in series with the first circuit and applies a second voltage having the same polarity as the electrification polarity of the developer to the transfer means and the static eliminating means; and a control unit. The control unit applies, to the transfer means, a transfer voltage in which the first and second voltages are superimposed with each other to transfer the developer image to the recording material, applies a partial voltage from the second voltage to the static eliminating means as a static eliminating voltage to eliminate static electricity on the recording material, and when taking the static eliminating voltage as a first value causes the transfer voltage to fall below a target value, decreases the static eliminating voltage.SELECTED DRAWING: Figure 5
Patent JP-2023081662-A (JP)
Title: tray container
Inventor: FURUSE KIYOTO
IPC: B65D5/62
Filed: 2021-12-01
Abstract: To obtain tray containers that are easy to take out individual containers when stacked, and are not bulky when stacked.SOLUTION: A tray container (1) of the invention consists of: a long side plate (41) formed of a laminated sheet of paper base material with a thermoplastic resin layer inside and having an octagonal bottom plate (3) and connected with the long side of the bottom plate rim as the lower side; a short side plate (42) connected with the short side as the lower side; a large flange (51) connected with the upper side facing the lower side of the long side plate or the short side plate; a slanted side plate (43) connected with the slanted side as the lower side; a small flange (52) connected with the upper side facing the lower side of the slanted side plate; and a web corner (6) with no base material between adjacent side plates or flanges. The tray container has a trapezoidal shape in which the web corners are sandwiched between adjacent side plates and flanges, the edges of the adjacent large flanges are abutted, and the slanted side plates have a shorter upper side than the lower side.SELECTED DRAWING: Figure 3
Patent JP-2023083655-A (JP)
Title: Visual inspection trajectory calculation device, visual inspection system, and visual inspection trajectory calculation method
Inventor: MURAMATSU KATSUTOSHI
IPC: B25J9/22
Filed: 2021-12-06
Abstract: To calculate an inspection trajectory that minimizes a positioning error while reducing an inertial force applied to a hand portion of a robot.SOLUTION: A visual inspection trajectory calculation device 1 includes: an alternative inspection point calculation unit 121 for calculating alternative inspection points for a plurality of inspection points constituting an inspection trajectory, which is an operation for inspecting a product by a visual inspection apparatus; an evaluation value calculation unit 122 for calculating an evaluation value for evaluating whether or not a partial trajectory that is a part of the inspection trajectory satisfies a predetermined condition; and an inspection trajectory calculation unit 123 for calculating the inspection trajectory composed of partial trajectories selected based on evaluation values of partial trajectories from one inspection point through other inspection points and alternate inspection points of other inspection points.SELECTED DRAWING: Figure 1
Patent JP-2023086568-A (JP)
Title: Measurement apparatus, lithography apparatus, and article manufacturing method
Inventor: JIMBO SATORU
IPC: H01L21/027
Filed: 2021-12-10
Abstract: To provide a technique advantageous in improving the robustness against noise so as to measure the position of a measurement target with high accuracy.SOLUTION: A measurement apparatus that measures position information of a measurement target is provided. The apparatus includes a scope configured to generate an image by capturing an image of the measurement target, and a processor configured to obtain position information of the measurement target based on the image. The processor is configured to generate a plurality of image components using a statistical technique from a plurality of images generated by the scope, output the plurality of generated image components, perform processing based on the plurality of image components, and determine the position information based on a result of the processing.SELECTED DRAWING: Figure 11
Patent JP-2023089334-A (JP)
Title: Target substance detection device
Inventor: KONOIKE TOMOAKI
IPC: G01N33/543
Filed: 2021-12-16
Abstract: To provide a device capable of more reliably and easily ensuring shielding of microwaves and airtightness of vacuum vessels.SOLUTION: A device disclosed herein comprises a housing, a vacuum vessel provided in the housing, and a microwave shielding vessel provided in the vacuum vessel to accommodate a treatment target substance. The microwave shielding vessel comprises a microwave radiating unit, and an opening for shielding microwaves and allowing a gas in the microwave shielding vessel to flow to the vacuum vessel.SELECTED DRAWING: Figure 1