baber/WOPTO huggingface dataset:
Patent JP-2020047756-A (JP)
Title: Semiconductor device
Inventor: MATSUDAI TOMOKO
IPC: H01L29/739
Filed: 2018-09-19
Abstract: To provide a semiconductor device with a low ON-resistance and a reduced switching loss.SOLUTION: A semiconductor device comprises: a first semiconductor layer of a first conductivity type; a second semiconductor layer of a second conductivity type provided on the first semiconductor layer; and a semiconductor part that includes a third semiconductor layer of the first conductivity type and a fourth semiconductor layer of the second conductivity type arranged side by side on the second semiconductor layer. Further, the semiconductor device comprises a first control electrode and a second control electrode provided in the semiconductor part and arranged alternately in a first direction along a boundary between the first semiconductor layer and the second semiconductor layer. The first control electrode is opposed to the second semiconductor layer via a first insulating film. The second control electrode is opposed to the second semiconductor layer via a second insulating film. The first control electrode and the second control electrode have a lower end located in the first semiconductor layer, and are arranged so as to be contacted with a third insulating film electrically insulating the first control electrode and the second control electrode from each other.SELECTED DRAWING: Figure 1
Patent JP-2020046539-A (JP)
Title: Projection optical system and projection image display device
Inventor: SHIOKAWA KOJI
IPC: G02B13/18
Filed: 2018-09-19
Abstract: To provide a projection optical system which secures good optical performance with a reduced number of lenses.SOLUTION: A projection optical system 3A has a zoom function and consists of twelve lenses. Light from a telecentric optical system is introduced to a twelfth lens L12. The projection optical system consists of seven lens groups and is configured such that a first lens group LG1 and seventh lens group LG7 are stationary while a second lens group LG2, third lens group LG3, fourth lens group LG4, fifth lens group LG5, and sixth lens group LG6 move along an optical axis when changing projection magnification. The second lens group LG2 consists of a single positive lens, and the third lens group LG3 consists of a single positive lens. The fourth lens group LG4 consists of one or two positive lenses and a single negative lens having a center of curvature on the magnification side. The fifth lens group LG5 consists of a single negative lens having aspherical surfaces on both the magnification side and reductions side, and a center of curvature on the reduction side.SELECTED DRAWING: Figure 2
Patent JP-2020048357-A (JP)
Title: Floor electric outlet
Inventor: TSUKAHARA MAKOTO
IPC: H02G3/18
Filed: 2018-09-20
Abstract: To provide a lid structure for floor equipment using convenience of a spring-up when opening a lid body by a lid energizing part and a convenience of a tow- axial lid rotational mechanism.SOLUTION: A lid structure openably and closably blocking an opening part formed in a double-floor surface by a lid body 3 rotatably coupled via an axial part 4 having a first axis and a second axis rotatable separated from the first axis, provides: a lid energizing part 32 energizing the lid body 3 in an opening direction to the opening part; a lid holding part 31 holding the lid body at a position where the opening part is blocked so as to cancel the lid body; and a rotational restriction part 33 that restricts a rotational range of the axial part so that a coupling part of the lid body 3 and the axial part 4 is prevented from floating from the opening part by an energizing force of the energizing part 32 in a state where the lid body 3 blocks the opening part.SELECTED DRAWING: Figure 1
Patent JP-2020044296-A (JP)
Title: Beverage dispenser
Inventor: SUZUKI MASAHIKO
IPC: A47J31/10
Filed: 2018-09-21
Abstract: To provide a beverage dispenser that can quickly add hot water when hot water is discharged from a hot water tank, and can successfully produce a beverage by using hot water discharged from the hot water tank.SOLUTION: A beverage dispenser disclosed in the present application comprises a hot water heater 10, a hot water tank 20, a water supply part 30, a discharge part 40, and a covering part 50. The hot water heater 10 heats water. The hot water tank 20 stores water heated by the hot water heater 10. The water supply part 30 comprises a water supply port 31 opened upward, and supplies water to the hot water tank 20 via the water supply port 31. The discharge part 40 comprises a discharge port 41 arranged above the water supply port 31, and discharges water heated by the water heater 10 from the hot water tank 20 via the discharge port 41. The covering part 50 covers the water supply port 31 from above, and releases water in a plurality of directions along a bottom surface 20a of the hot water tank 20.SELECTED DRAWING: Figure 1
Patent JP-2020049708-A (JP)
Title: Printer and program
Inventor: YASUI YUJI
IPC: B41J29/13
Filed: 2018-09-25
Abstract: To provide a printer and a program capable of cutting a sheet according to the use situation of a host device when the sheet is cut without a command from the host device.SOLUTION: The printer comprises a cutter, non-volatile storage means, command reception means, first cutting control means, recording means and second cutting control means. The command reception means receives a command indicating a cutting method of a sheet from an information processor connected to the own device. The first cutting control means controls operation of the cutter to cut a sheet in a cutting method according to the command. The recording means records information indicating the cutting method in the storage means when the sheet is cut under the command. The second cutting control means cuts a sheet in a cutting method stored by the storage means when the sheet is cut without the command.SELECTED DRAWING: Figure 3
Patent JP-2020051496-A (JP)
Title: Rotation prevention structure
Inventor: NISHITANI HITOSHI
IPC: F16B5/02
Filed: 2018-09-26
Abstract: To provide a rotation prevention structure which does not need welding.SOLUTION: A rotation prevention structure 100 prevents rotation of a fastening component 101 relative to a fastened component 102 when the fastening component 101 is fastened to the fastened component 102. The rotation prevention structure 100 includes a rotation prevention component 103 which contacts with the fastening component 101 when the fastening component 101 is fastened to the fastened component 102. The above object is achieved by the rotation prevention structure 100 in which the rotation prevention component 103 is fixed to the fastened component 102 only by screwing.SELECTED DRAWING: Figure 1
Patent JP-2020051964-A (JP)
Title: Water leakage detection system and method
Inventor: MINE TOSHIYUKI
IPC: F17D5/06
Filed: 2018-09-28
Abstract: To provide technology with which it is possible to realize the reduction of sensor arrangement cost, etc., pertaining to water leakage detection.SOLUTION: A water leakage detection system 10 comprises: a plurality of sensor terminals 2 including a sensor 3 installed in the conduit line of a waterworks network 40; and a computer 1 for detecting water leakage from the conduit line on the basis of the detection signal data of the plurality of sensors 3 of the plurality of sensor terminals 2 and outputting the result. The conduit line may be a first conduit line that is coated with a pipe coating member (PE sleeve 6) or may be a second conduit line that is not coated with the pipe coating member. The sensors 3 are capable of detecting a signal in a first distance from a water leakage point when water leaks in the first conduit line and capable of detecting a signal in a second distance longer than the first distance from a water leakage point when water leaks in the second conduit line. The plurality of sensors 3 in the waterworks network 40 are arranged in the first conduit line at intervals, with the first distance as a point of reference, and arranged in the second conduit line at intervals, with the second distance as a point of reference, on the basis of conduit line information that includes information concerning whether or not the pipe coating member is included.SELECTED DRAWING: Figure 1
Patent JP-2020050260-A (JP)
Title: Railway vehicle center pin, railway vehicle truck, and method of manufacturing railway vehicle center pin
Inventor: TAKEUCHI MASANORI
IPC: B61F5/02
Filed: 2018-09-28
Abstract: To provide a railway vehicle center pin, a railway vehicle truck, and a method of manufacturing the railway vehicle center pin that can facilitate manufacturing process and secure sufficient mechanical strength.SOLUTION: A center pin 10 connects a vehicle body A of a railway vehicle and a truck frame 2 arranged below the vehicle body A. The center pin 10 includes a cylindrical main body part 30, a flange part 31 protruding more than an outer surface 30e of the main body part 30 at a lower end part 30c of the main body part 30, a stopper receiving part 32 connected to the outer surface 30e of the main body part 30 and receiving a stopper 18 for regulating the displacement of the main body part 30, and a damper receiving part 33 connected to the outer surface 30e of the main body part 30 and receiving a damper 19 for relaxing the vibration of the main body part 30. The main body part 30 and the flange part 31 form an integrally forged object. The stopper receiving part 32 and the damper receiving part 33 respectively form a forged object and the stopper receiving part 32 is welded to the outer surface 30e of the main body part 30.SELECTED DRAWING: Figure 3
Patent JP-2020049115-A (JP)
Title: Chair
Inventor: TAKAHASHI YASUTAKA
IPC: A47C7/40
Filed: 2018-09-28
Abstract: To provide a chair configured to cause a front back plate to appropriately repel a load of a sitter in the chair including a backrest having the front back plate and a rear back plate.SOLUTION: The chair comprises a backrest 5 including a plate-like synthetic-resin back inner shell F as a front back plate, and a plate-like synthetic-resin back outer shell E as a rear back plate, supporting the plate-like back inner shell F. A back bending allowable space is provided between the back inner shell F and the back outer shell E. The back inner shell F is integrally provided with a leaf spring 54 and is so configured that, when at least the back inner shell moves to the back bending allowable space, the leaf spring 54 can directly come into contact with the back outer shell E.SELECTED DRAWING: Figure 8
Patent JP-2020056219-A (JP)
Title: Pile hole formation device
Inventor: SHIMIZU TOMOAKI
IPC: E21B7/00
Filed: 2018-10-02
Abstract: To provide a pile hole formation device capable of improving accuracy of a measurement value of ground strength.SOLUTION: A pile hole formation device comprises: a solidification material force-feed pipe vertically extending in a hollow part of a tip auger rod 10; a penetration rod 52 provided in the tip auger rod 10 so as to be vertically movable; a measurement cone connected to a lower end of the penetration rod 52; a hydraulic cylinder 71 for pushing out the measurement cone to the outside of an auger head to make the measurement cone penetrate into the ground; a three-component sensor that is positioned between the penetration rod 52 and the measurement cone and measures resistance force in making the measurement cone penetrate into the ground; storage means for storing a measurement result of the three-component sensor; a spiral blade fixed on an outer peripheral surface of each of auger rods 10, 20; a protective pipe 21 provided so as to be inserted into a through hole formed on a base end of each spiral blade of a second and subsequent auger rods 20; and a communication wire 22 that is inserted into respective protective pipes 21 to connect the three-component sensor with the storage means.SELECTED DRAWING: Figure 4
Patent JP-2020055239-A (JP)
Title: Manufacturing method of pneumatic tire
Inventor: SUEYOSHI MITSURU
IPC: B29D30/30
Filed: 2018-10-03
Abstract: To provide a manufacturing method of a tire in which a joint defect at a joint portion of an inner liner is prevented.SOLUTION: The manufacturing method includes steps of: (A) preparing a sheet 18 including a beltlike first base sheet 16a for forming an inner liner; (B) cutting the sheet 18 so that an angle of a cut surface in a side view with respect to the extending direction of the sheet 18 is 20° or more and 50° or less to obtain a cut sheet 20; (C) winding the cut sheet 20 around a drum 14 so that its front end and its rear end overlap each other to form a constituent member of a tire including the inner liner 42; (D) further combining other constituent members of this tire with this constituent member to obtain a raw cover; (E) applying a mold release agent onto an inner surface of the raw cover; and (F) pressurizing and heating the raw cover applied with the mold release agent in a mold.SELECTED DRAWING: Figure 3
Patent JP-2020056139-A (JP)
Title: Tube replacement device in pot spinning machine
Inventor: NAKAMURA YUSUKE
IPC: D01H9/06
Filed: 2018-10-04
Abstract: To provide a tube replacement device in pot spinning machine capable of opening/closing the cover opening part of a fixing cover opening downward with a lid even without adding a driving source for operating the lid to the pot spinning machine.SOLUTION: A tube replacement device 40 is used in a pot spinning machine comprising: a pot 16 having a pot opening part 26; a fixing cover 18 having a cover opening part 28; and a bobbin support part 20 supporting a bobbin 30, and replaces the bobbin 30 supported by the bobbin support part 20 from a full bobbin to an empty bobbin. The device comprises: a pantograph mechanism 46; a bobbin holding apparatus 42; and a lid 50 fitted to the bobbin holding apparatus 42, and the lid 50 opens/closes the cover opening part 28 by the operation of the pantograph mechanism 46.SELECTED DRAWING: Figure 3
Patent JP-2019024240-A (JP)
Title: Method and device in communication system
Inventor: MAYER MICHAEL
IPC: H04W28/04
Filed: 2018-10-09
Abstract: To provide a method for handling state information on a data unit transmitted from a transmission node to a reception node via a radio link.SOLUTION: A reception node determines that some of data units transmitted by a transmission node are missing 401. The reception node transmits a reduction state message to a transmission node via a radio link 402, and the reduction state message includes a negative acknowledgment to a first part of the missing data units, and is reduced such that a negative acknowledgment to the rest of missing data is omitted. The omitted negative acknowledgment to the rest of the missing data units is not erroneously interpreted as correctly received data units by the transmission node.SELECTED DRAWING: Figure 4
Patent JP-2020062175-A (JP)
Title: Mounting fixture of motion assist device
Inventor: ONO SHINGO
IPC: A61H3/00
Filed: 2018-10-16
Abstract: To provide a mounting fixture of a motion assist device capable of surely preventing positional deviation of a mounting part.SOLUTION: A mounting fixture of a motion assist device comprises: a waist belt 110 attached to a first portion of the body of a user 20; and a knee supporter 120 attached to a second portion of the body of the user 20. A fluid pressure actuator 201 for assisting a motion of the user is coupled to the waist belt 110 and the knee supporter 120. The fluid pressure actuator 201 is provided between the waist belt 110 and the knee supporter 120. The waist belt 110 is attached to the first portion by tightening the first portion from the surrounding of the user 20, and a shoulder belt 130 engaged to a third portion of the body of the user 20 is coupled to the waist belt 110.SELECTED DRAWING: Figure 1
Patent JP-2020015620-A (JP)
Title: Sheet holding device, sheet feeding device, and image forming device
Inventor: OTSUKA RIE
IPC: B65H1/00
Filed: 2018-10-19
Abstract: To accurately detect a rotation angle of a rotating member from a detection result of rotation position detection means.SOLUTION: There is provided a sheet holding device, including: a regulating member that can move in a direction to approach and separate from an end of a sheet; a rotating member 84a that rotates according to a movement of the regulating member; a detected member 83a attached to the rotating member and integrally rotating; and rotational position detecting means for detecting a rotational position of the detected member, and configured such that the detected member rotates integrally with the rotating member, due to a contact of a contact portion 84b of the rotating member and a contacted portion 83c of the detected member from a rotating direction of the rotating member. The sheet holding device further includes an urging member 85 for applying an urging force F between the rotating member and the detected member for maintaining a contact state of the contact portion and the contacted portion.SELECTED DRAWING: Figure 6
Patent JP-2020066745-A (JP)
Title: Steel material for linepipe
Inventor: TAJIMA KENZO
IPC: C22C38/58
Filed: 2018-10-22
Abstract: To provide a steel material for linepipe having excellent low-temperature toughness.SOLUTION: A steel material for linepipe contains, by mass%, C: 0.010-0.060%, Si: 0.05-0.30%, Mn: 0.50-2.00%, P: 0-0.030%, S: 0-0.0100%, Al: 0.010-0.035%, N: 0.0010-0.0080%, Nb: 0.010-0.080%, Ti: 0.005-0.030%, Ni: 0.001-0.50%, Mo: 0.05-0.30%, O: 0-0.0030%, and the balance being Fe and impurities, and satisfies Formula (1) specified in the embodiment. A ferrite fraction is 60-90%, an effective crystal grain diameter is 15 μm or less, and a coarse crystal grain ratio is 20% or less. When a plane vertical to a rolling direction is RD surface, a rolling surface is ND surface, and a surface vertical to the RD surface and the ND surface is TD surface, in a specific plane with an angle formed by the RD surface and the TD surface of 45°, a degree of integration of a {100} plane is 1.50-2.50.SELECTED DRAWING: Figure 2
Patent JP-2020067492-A (JP)
Title: Projection type display unit and method for controlling projection type display unit
Inventor: KATO SHINJI
IPC: G03B21/00
Filed: 2018-10-22
Abstract: To provide a projection type display unit that can prevent deterioration of optical components other than a light source device to extend its product cycle, and a method for controlling a projection type display unit.SOLUTION: A projector 1 comprises: a light source device 2 that includes a solid light source and emits light; a light modulator 4 that modulates the light emitted from the light source device 2; and a projection optical system 6 that projects image light modulated by the light modulator 4. A control unit 31 of the projector 1 executes first control of reducing a power input to the light source device 2 as the cumulative lighting time of the light source device 2 becomes longer before executing second control of increasing the power input to the light source device as the cumulative lighting time of the light source device 2 becomes longer.SELECTED DRAWING: Figure 4
Patent JP-2020065659-A (JP)
Title: Clothes arrangement support tool
Inventor: MAEDA MAYUMI
IPC: A47G25/02
Filed: 2018-10-24
Abstract: To provide a clothes arrangement support tool in which the type of the clothes can be recognized intuitively, the correspondence is clear at a glance even in a different storage place to thereby arouse consciousness, and even elderly people can easily handle it and a free-standing life can be supported.SOLUTION: A clothes arrangement support tool is configured by comprising: an indicator comprising multiple display pieces 11, 11 ... capable of being detachably fastened; a bulletin body 2 capable of being suspended in a horizontal member A along with clothes hangers H where clothes C are hung; and storage means capable of storing the clothes C. A figure corresponding to the type or usage time of the clothes C is displayed on the surface of the display piece 11 of the indicator, and a group containing multiple pieces of the display pieces 11 of the same display is formed. Also, each display piece 11 in the group of the indicator is configured in a portion of the bulletin body 2 and the storage means in a fastening manner.SELECTED DRAWING: Figure 3
Patent JP-2019033538-A (JP)
Title: Parallel bit interleaver
Inventor: MIHAIL PETROV
IPC: H03M13/19
Filed: 2018-10-29
Abstract: To provide an interleaving method for achieving efficiency of the interleave applied for a coding word of a pseudo circulation low density parity check code.SOLUTION: A coding word of N×Q bit structured by N circulation blocks formed by Q bit is rearranged and divided into a plurality of constellation words formed by M bit. When a residual value obtained by dividing N with M is X, a first rule of rearranging bit applied to the circulation blocks of N'=N-X and a second rule of rearranging bit applied to the X circulation blocks are different each other. The first rule is a rule for the circulation blocks of N'=N-X, in which the Q bit of each circulation block is written in one row of M rows in a row direction and a column-row permutation processing which is equivalent to read out in a column direction is executed. The second rule is a rule for the X circulation blocks, in which a bit permutation processing is not executed.SELECTED DRAWING: Figure 45
Patent JP-2019209111-A (JP)
Title: Medical stent
Inventor: KIM JU-YUL
IPC: A61F2/90
Filed: 2018-10-29
Abstract: To provide a medical stent structurally capable of being easily inserted even into the narrow fine lumen of the human body.SOLUTION: In a stent, first and second knitted parts 110 and 120 are alternately repeated in a longitudinal direction. The first knitted part is constituted in a cylindrical shape by making a plurality of wires cross a crest part and a valley part and bending a mesh structure having a rhombic space part. The second knitted part is longitudinally extended from the first knitted part and constituted in a cylindrical shape by longitudinally curving a traveling direction of the wire extended from the first knitted part.SELECTED DRAWING: Figure 1a
Patent JP-2020070177-A (JP)
Title: Screw jack
Inventor: ONISHI MASAYA
IPC: B66F3/08
Filed: 2018-11-01
Abstract: To hinder wear of an operation gear, resulting from firm contact of a collar with the operation gear.SOLUTION: A screw jack 1 comprises: a jack body 2; a body gear 21 provided in the jack body; an operation gear 3 having a head portion 31 that engages with the body gear and a shaft portion 32 extending from the head portion; and a collar 4 interposed between the jack body and the shaft portion of the operation gear. This screw jack includes a protective portion 5 protecting the operation gear from the collar, and the protective portion includes a cylindrical portion interposed between the collar and the shaft portion.SELECTED DRAWING: Figure 1
Patent JP-2020070092-A (JP)
Title: Freezing container
Inventor: NAKAHATA ATSUSHI
IPC: F25D11/00
Filed: 2018-11-01
Abstract: To provide a freezing container with which quality of loaded goods is maintained.SOLUTION: An inlet port 19 of an inlet duct 11 for introducing air in a chamber into a refrigerator 4, and an outlet port 28 of an exhaust duct 23 for discharging air (cool air) cooled by the refrigerator 4 are arranged at an upper portion inside the chamber, and thus it is made possible to circulate the air (cool air) above loaded goods 29 so as to be suctioned at the upper portion inside the chamber via blowing-out from the upper portion inside the chamber, and temperature inside the chamber can be maintained at setting temperature of the refrigerator 4. In this manner, quality of the loaded goods 29 during transportation can be maintained regardless of temperature of the loaded goods 29, without causing failure of the refrigerator 4.SELECTED DRAWING: Figure 1