baber/WOPTO huggingface dataset:
Patent JP-2020125460-A (JP)
Title: Manufacturing method of stereoregular substituted polyacetylene having substituent on terminal
Inventor: MAEDA KATSUHIRO
IPC: C08F297/06
Filed: 2020-01-10
Abstract: To provide a simple and effective manufacturing method of stereoregular substituted polyacetylene having a substituent on the terminal; and to provide a polymerization initiator system of substituted acetylene used for the method.SOLUTION: There is provided a manufacturing method using a polymerization initiator system of substituted acetylene containing bicyclo[2.2.1]hepta-2,5 diene rhodium (I) chloride dimer (A-1) (component A), 4-propoxy phenylboronic acid (B-1) (component B), diphenylacetylene (C-1) (component C), triphenylphosphine (D-1) (component D) and potassium hydroxide (KOH).SELECTED DRAWING: None
Patent JP-2021110209-A (JP)
Title: Solar cell installation structure
Inventor: SHINOHARA MASATO
IPC: E04D13/18
Filed: 2020-01-16
Abstract: To provide a solar cell installation method allowing solar cells to be easily installed using reinforcement metal fittings for accumulated snow while reducing the number of parts and work load for installation.SOLUTION: The present invention relates to a solar cell installation structure with which solar cell panels 3 are installed on a roof 2. Supporting-fixing leg parts 23 are provided which support the solar cell panels to the top face of the roof and integrally connect reinforcement metal fittings 21 for accumulated snow reinforcing the solar cell panels against snow accumulation and fixtures 22 fixing them on joint covers 9 of the roof. In the supporting-fixing leg parts, the reinforcement metal fittings for accumulated snow extend vertically to be positioned between the solar cell panels and the roof and upper end parts of the reinforcement metal fittings for accumulated snow are attached on the solar cell panels and lower end parts of the reinforcement metal fittings for accumulated snow are placed on an upper surface of the roof. The fixtures are fixed on the joint covers in a state in which they are connected and fixed on side surfaces of the lower end parts of the reinforcement metal fittings for accumulated snow.SELECTED DRAWING: Figure 2
Patent JP-2021114843-A (JP)
Title: Sidewalk-roadway boundary block
Inventor: NAKATANI HIROYUKI
IPC: E01C11/22
Filed: 2020-01-17
Abstract: To provide a construction capable of partially detaching an edge stone part from a base part in a sidewalk-roadway boundary block 1 containing: a base part 2 in which an electric wire cable 4 is mounted onto an upper face; and a nearly U-shaped edge stone part 3 in which a lower side is opened on a cross-section arranged on the upper face of the base part so as to cover the electric wire cable.SOLUTION: A sidewalk-roadway boundary block 1 of the present invention is formed by coupling a plurality of components with an edge stone part 3. For example, two-divided components 3R and 3L are produced along the edge stone part in its longitudinal direction (an extended direction of a sidewalk-roadway boundary) and along its near center axial line. The edge stone part 3 may be constructed by coupling those components so as to be contacted to an edge face of an upper part.SELECTED DRAWING: Figure 1
Patent JP-2021112990-A (JP)
Title: Vehicular wheel
Inventor: AMANO TAKANORI
IPC: B60B1/08
Filed: 2020-01-20
Abstract: To suppress the adverse effect of the design due to a connecting part in a vehicular wheel in which a thin plate part of a disc part is connected to at least a part of a hub part, a rim part, and a spoke part via the connecting part.SOLUTION: A spoke part 131, a thin plate part 132, and a window part 14 are formed on a disc part 13 connected to a hub part 11 and a rim part 12. The thin plate part 132 is connected to the rim part 12 via a connecting part 19. The connecting part 19 is formed so that the wall thickness on the side connected to the rim part 12 is thicker than the wall thickness on the side connected to the thin plate part 132. An end 190 of the connecting part 19 is exposed from the window part 14. The cross-sectional area of the connecting part 19 that appears when the connecting part 19 is cut in a wheel radial direction changes so that the cross-sectional area of the end 190 of the connecting part 19 is smaller than the cross-sectional area of other parts of the connecting part 19.SELECTED DRAWING: Figure 3
Patent JP-2021116133-A (JP)
Title: drum
Inventor: MITOBE Ryoichi
IPC: B65H75/14
Filed: 2020-01-22
Abstract: To provide a drum whose intensity is improved.SOLUTION: A drum 2 comprises two brims 10 and a trunk 2a. The trunk is constituted by annularly arranging a plurality of columns 20 each having a triangular prism-shaped body part as viewed from a shaft direction. Recesses into which end portions of the body parts of the columns are inserted are formed on each of inside surfaces 11b of the two brims.SELECTED DRAWING: Figure 2
Patent JP-2021115717-A (JP)
Title: Manufacturing method for thermal print head and thermal print head
Inventor: NAKAYA GORO
IPC: B41J2/335
Filed: 2020-01-23
Abstract: To provide a manufacturing method for a thermal print head that can form an electrode layer in which a conduction path is properly configured.SOLUTION: A manufacturing method for a thermal print head A1 includes a substrate preparing step, a resistor layer forming step, and an electrode layer forming step. An electrode layer 3 includes a plurality of individual electrode belt-like parts 38 arranged at a pitch width Pt2 and a plurality of connection parts 37 arranged at a pitch width Pt3 smaller than the pitch width Pt2. A substrate 1 includes a first region 10A and a second region 10B. The electrode layer forming step includes: a first patterning step of forming patterns of the plurality of individual electrode belt-like parts 38 in the first region 10A by screen printing; and a second patterning step of forming patterns of the plurality of connection parts 37 in the second region 10B, by a patterning technique (dispenser coating for instance) that can perform patterning with accuracy higher than accuracy in the screen printing.SELECTED DRAWING: Figure 3
Patent JP-2020058951-A (JP)
Title: Game machine
Inventor: ICHIHARA TAKAAKI
IPC: A63F7/02
Filed: 2020-01-27
Abstract: To provide a game machine capable of detecting whether a shooting device is set to a correct position relative to a game board in the game machine in which the shooting device is disposed at an upper portion of a body frame.SOLUTION: A game machine includes: a game board 5 in which a game area is sectioned and formed; a body frame 2 to which the game board 5 is embedded and housed; and a shooting device 12 disposed at an upper portion of the body frame 2 and shooting game balls to the game area. The shooting device 12 includes: a position detection sensor 180 that is movably provided relative to the body frame 2 and detects that the shooting device 12 is in a regular position to the game board; and a ball information control board 110 for controlling operation of the shooting device 12. A ball information control MPU 111 of the ball information control board 110 permits operation of the shooting device 12 on condition of detection that the shooting position 12 is in a regular position to the game board 5 via the position detection sensor 180.SELECTED DRAWING: Figure 97
Patent JP-2021118820-A (JP)
Title: Fin
Inventor: FUJITA NAOTAKA
IPC: A63B31/11
Filed: 2020-01-30
Abstract: To provide a technology for increasing a thrust force when swimming by using fins.SOLUTION: A fin attached to a foot of a user, and formed with a front-and-back penetration hole for making fluid flow toward a rear side from a front side of a thrust direction at the swimming of the user has a protrusion which is formed at a bottom face of the penetration hole when a rear surface of the fin is turned upward, being a protrusion whose end part is located inside the penetration hole, and formed so as to extend in a backward direction from the end part. Also, the protrusion has a shape which is increased in a thickness as progressing toward backward. A plurality of protrusions may be formed in left and right directions.SELECTED DRAWING: Figure 1
Patent JP-2021122781-A (JP)
Title: Aggregate and method for producing the same, and photo-functional material
Inventor: NISHIMURA NAOYUKI
IPC: C01G3/02
Filed: 2020-02-05
Abstract: To provide an aggregate that has high oxidation stability and great photo-oxidation power and has little light loss and a method for producing the same, and a photo-functional material (for example, photocatalyst).SOLUTION: An aggregate contains cuprous oxide particles with an average particle size of 0.1 nm or more and 100 nm or less, and a carboxylic acid component comprising a carboxylic acid or a carboxylate anion or a combination of them. When the content of the cuprous oxide particles is 100 mass%, the content of the carboxylic acid component is 0.1 mass% or more and 50 mass% or less.SELECTED DRAWING: None
Patent JP-2021126853-A (JP)
Title: Roller support structure and printer
Inventor: SANADA TSUYOSHI
IPC: B41J11/04
Filed: 2020-02-14
Abstract: To make it possible to suppress the occurrence of deformation of a rotational shaft of a platen roller due to pressing force from a printing head even when the diameter of the rotational shaft of the platen roller is suppressed.SOLUTION: A roller support structure is a structure for rotatably supporting a platen roller which has a cylindrical outer peripheral surface and moves a printing medium by rotating while sandwiching and holding the printing medium between the outer peripheral surface and a printing head. It comprises: a frame for supporting both ends of the platen roller; bushes which are disposed at each end of a rotational shaft of the platen roller and have a cylindrical inner peripheral surface for receiving each of the ends in an inserted state and which are fixed to the frame; and auxiliary support parts which are provided as a portion of at least one of the bush and the frame and bring the bush and the frame into contact at the portion and which are disposed close to the outer peripheral surface of the platen roller and support the platen roller which is pressed by the printing head.SELECTED DRAWING: Figure 5
Patent JP-2021126632-A (JP)
Title: Vertical roller mill
Inventor: WATANABE KAZUHIRO
IPC: B02C15/04
Filed: 2020-02-17
Abstract: To return effectively a ground product to a grinding part by reducing influence of an upward flow furthermore than before.SOLUTION: A vertical roller mill includes a vertical housing, a grinding part provided on a lower part of the vertical housing, for grinding an object to be ground, a raw material supply part for supplying the object to be ground to the grinding part, an air flow generating part for generating an upward flow for conveying upward a ground product generated in the grinding part, a classification part provided over the grinding part, for classifying the ground product, and a transfer part for sending a coarse ground product forcibly to the grinding part by applying external force directly to the coarse ground product classified in the classification part.SELECTED DRAWING: Figure 1
Patent JP-2021132245-A (JP)
Title: Communication control device, communication device, communication system, and communication control program
Inventor: YAKABE HITOSHI
IPC: H04W40/14
Filed: 2020-02-18
Abstract: To provide a method for automatically constructing an optimum communication path with a stable communication status.SOLUTION: A communication system includes a communication control device and a plurality of communication devices that communicate by a multi-hop wireless communication method. The communication control device receives route information indicating a communication path between the respective communication devices, which is defined by all or some of the plurality of communication devices, from the plurality of communication devices, measures the duration of the communication path indicated by the route information in a measurement time, calculates the sum of the duration of the communication path in the measurement time, and selects one of one or more communication paths to and from the communication device as an optimum communication path on the basis of the calculated sum. Then, communication control information for controlling each of the plurality of communication devices so as to perform communication on the selected optimum communication path is transmitted to each of the plurality of communication devices.SELECTED DRAWING: Figure 5
Patent JP-2021132778-A (JP)
Title: Game machine
Inventor: OGURA TOSHIO
IPC: A63F7/02
Filed: 2020-02-26
Abstract: To provide a game machine capable of suitably executing an instruction for urging a player to shoot game balls in a predetermined direction.SOLUTION: State control means can perform control to a special state if a special condition is satisfied when numerical value information becomes a specific value corresponding to a special frequency as the number of execution times of variation display, update means updates the numerical value information when variation display of first identification information is executed and when variation display of second identification information is executed, and predetermined suggestive performance execution means has a common ratio of execution of a predetermined suggestive performance during a period before satisfaction of a special condition.SELECTED DRAWING: Figure 10-49
Patent JP-2021135451-A (JP)
Title: Method for manufacturing toner container and toner container
Inventor: TSUKAMOTO MUNEO
IPC: G03G15/08
Filed: 2020-02-28
Abstract: To provide a toner container having an improved resistance to impact (toughness) and to drawdown made by recycling a used toner container, and to provide the toner container.SOLUTION: The method for manufacturing a toner container and the toner container of the present invention relate to a toner container made by recycling a used toner container. The method includes the steps of: breaking a collected used toner container into pieces and manufacturing broken items; mixing the broken items, a hydrophobic filler, and a toner for an electrostatic charge image with each other and forming a formed material; and reforming a toner container from the material.SELECTED DRAWING: Figure 1
Patent JP-2021141549-A (JP)
Title: Video distribution device, video transmission device, video distribution system, video distribution method, and video distribution program
Inventor: ONISHI MASAYOSHI
IPC: H04N21/24
Filed: 2020-03-09
Abstract: To provide a video distribution device capable of low-latency real-time distribution to multiple receiving terminals, a video transmission device, a video distribution system, a video distribution method, and a video distribution program.SOLUTION: A video distribution device 20 includes a data receiving unit 21 that receives a first video stream composed of only I frames and a second video stream including P frames on the basis of the same video data, and a distribution stream generation unit that generates a distribution stream using the frame of the second video stream following the I frame of the first video stream in response to a playback request from a video receiving terminal, and a data transmission unit that sends the distribution stream to the video receiving terminal.SELECTED DRAWING: Figure 3
Patent JP-2021144341-A (JP)
Title: Machining result evaluation device
Inventor: YAMAGUCHI TAKAHIRO
IPC: G05B19/4068
Filed: 2020-03-10
Abstract: To display changes in evaluation data at a position close to the pick feed direction, including the direction of the change.SOLUTION: A machining result evaluation device is provided with: a neighbor position search unit 3 that searches for a preceding neighbor position close to a target position on a preceding path that was machined before a machining path where the target position exists and a following neighbor position close to the target position on a following path that was machined after the machining path where the target position exists, about the target position where the trajectory is displayed sequentially; an evaluation data determination unit 4 that determines evaluation data of the preceding neighbor position and the following neighbor position from evaluation data collected at predetermined time intervals during cutting; a reference value calculation unit 5 that calculates a reference value that is an average of the evaluation data of the preceding neighbor position and the evaluation data of the following neighbor position; a difference value calculation unit 6 that calculates a difference value between evaluation data of the target position and the reference value; and a graphic display unit 7 that displays the difference value as a vector by synthesizing the size and direction at the target position.SELECTED DRAWING: Figure 1
Patent JP-2021142099-A (JP)
Title: Kinetics photographing system
Inventor: NAGATSUKA SUMIYA
IPC: A61B6/00
Filed: 2020-03-12
Abstract: To provide a kinetics photographing system capable of reliably capturing the motion of an attention region.SOLUTION: The kinetics photographing system comprises photographing means which performs kinetics photographing of a subject by using a radiation irradiation device and a radiation detector to acquire a plurality of frame images showing the kinetics of the subject. The system further comprises: acquisition means for acquiring position information of an attention region of the subject during the kinetics photographing by the photographing means; and adjustment means which on the basis of the position information of the attention region of the subject acquired by the acquisition means, adjusts the irradiation field of the radiation irradiation device and/or the position of the radiation detector.SELECTED DRAWING: Figure 3
Patent JP-2021147451-A (JP)
Title: Method of constructing temporary superstructure for coke oven
Inventor: HONDA KEISUKE
IPC: E04B7/20
Filed: 2020-03-17
Abstract: To realize a shorter work period for constructing or dismantling a temporary superstructure 100 for a coke oven.SOLUTION: A method of constructing a temporary superstructure 100 for a coke oven of this invention includes: a first step of forming a side wall 101 of the temporary superstructure 100 for a coke oven using plural columnar members 110 and plural panel members 120 disposed between the plural columnar members 110; and a second step of fixing the panel members 120 to the columnar members 110. A groove part 130 is disposed in a longitudinal direction each of the columnar members 110 in side surfaces of the columnar members 110, and the plural columnar members 110 are disposed so that the groove parts 130 face each other. In the first step, the side wall 101 is formed by inserting both ends in a horizontal direction of frame parts 121 of the panel members 120 from above into the pair of groove parts 130 for the panel members to be stacked one over the other. In the second step, a fixing member 140 is pushed in from an inside of the side wall 101 toward the panel members 120 for the panel members 120 to be fixed to the columnar members 110.SELECTED DRAWING: Figure 10C
Patent JP-2021146126-A (JP)
Title: Game machine
Inventor: AOKI KENTA
IPC: A63F5/04
Filed: 2020-03-24
Abstract: To provide a game machine capable of enhancing interest in a game.SOLUTION: An image display device 11 can execute a pseudo light guide plate performance executed by using a pseudo light guide plate image and a battle performance executed by using a battle performance image, and the pseudo light guide plate performance is executed by superposingly displaying a pseudo light guide plate image on at least one portion of a battle performance image when a battle performance is underway. A pseudo light guide plate image is composed of a non-light-transmitting area PLC3 and a light-transmitting area LP, and the light-transmitting area LP has light transmittability allowing a battle performance image in an overlapped area with a battle performance image to be displayed. Performance lamps 12, 13a, 13b, 14a, 14b can emit light with at least a predetermined color or the same color from among plural colors displayed in the non-light-transmitting area PLC3 during execution of a pseudo light guide plate performance.SELECTED DRAWING: Figure 49
Patent JP-2020115866-A (JP)
Title: Methods of direct differentiation from pluripotent stem cells to functional heart muscle
Inventor: WOLFRAM-HUBERTUS ZIMMERMANN
IPC: G01N33/50
Filed: 2020-03-24
Abstract: To provide methods for inducing direct differentiation from pluripotent stem cells to functional heart muscle.SOLUTION: Disclosed is a method comprising the steps of: (i) cultivating pluripotent stem cells in a basal medium comprising an effective amount of (a) BMP4, Activin A, FGF2, a GSK3-inhibitor, and (b) a serum-free supplement to give certain final concentrations of albumin, transferrin, ethanolamine, sodium selenite, L-carnitine HCl, hydrocortisone, a fatty acid supplement and triiodo-L-thyronine (T3), thereby inducing mesoderm differentiation of the pluripotent stem cells; (ii) cultivating the cells obtained in step (i) in a basal medium comprising an effective amount of an inhibitor of the Wnt-signaling pathway and a serum-free supplement as in (i), thereby inducing cardiac differentiation of the cells; and (iii) cultivating the cells obtained in step (ii) in a basal medium comprising an effective amount of (i), under mechanical stimulation, thereby promoting cardiac maturation.SELECTED DRAWING: None
Patent JP-2021156593-A (JP)
Title: Fretting fatigue reduction structure for shaft member and fretting fatigue test device
Inventor: YAGASAKI TORU
IPC: F16B4/00
Filed: 2020-03-25
Abstract: To provide a fretting fatigue reduction structure of a shaft member which can suppress fretting fatigue to a low level and extend a durable life of the shaft member.SOLUTION: As a fretting fatigue reduction structure of a shaft member 2 press-fitted into a fitting hole 1a formed in a contact member 1, when a value (σ1.333 - σ1.0)/σn obtained by dividing a difference (σ1.333 - σ1.0) between a principal stress σ1.333 when a tensile force is applied to the shaft member 2 and a principal stress σ1.0 when only a pressing force is applied by a nominal stress σn at the minimum cross section of the shaft member 2 is defined as a stress concentration coefficient Kt, a stress relief groove 2A having a shape such that the stress concentration coefficient Kt is 1.3 to 1.8 is formed at a position corresponding to an axial end portion of the contact member 1 of the shaft member 2. Further, a relief groove 1A is formed over the entire circumference at an axial intermediate position of the fitting hole 1a of the contact member 1.SELECTED DRAWING: Figure 2
Patent JP-2021158214-A (JP)
Title: Piezoelectric sheet
Inventor: YAMADA HIROTO
IPC: H01L41/193
Filed: 2020-03-26
Abstract: To provide a piezoelectric sheet which has good bending resistance and has good conductive characteristics also in elongation.SOLUTION: A piezoelectric sheet 10 has a porous electret film 12 and electrodes 11, in which the electrodes 11 contain conductive particles and resin.SELECTED DRAWING: Figure 2