baber/WOPTO huggingface dataset:
Patent JP-2021078660-A (JP)
Title: Vacuum insulation cushion sheet
Inventor: HAYAKAWA NOBORU
IPC: A47C27/00
Filed: 2019-11-18
Abstract: To provide a vacuum insulation cushion sheet excellent in convenience and economical efficiency which can achieve both high cushion performance and prevention of damage such as a pin hole to a vacuum sealing film of a vacuum insulation material, and in which only a damaged vacuum insulation material can be replaced easily.SOLUTION: A vacuum insulation cushion sheet 1 includes: a hollow-shaped cover 2; a vacuum insulation material 3, the inside of which is held in a vacuum state by a film 3a for vacuum sealing which is accommodated in the cover 2 and forms an outer shell; a take-out port 4 provided to the cover 2 so as to be freely opened and closed for putting/taking the vacuum insulation material 3 into/out of the cover 2; a cushion material 5 disposed above the vacuum insulation material 3, which is softer than the vacuum insulation material 3; and a protective sheet 6 disposed below the vacuum insulation material 3 whose thrust strength is higher than that of the film 3a for vacuum sealing of the vacuum insulation material 3.SELECTED DRAWING: Figure 1
Patent JP-2021080715-A (JP)
Title: Sash
Inventor: OSOREDA YUKI
IPC: E06B3/26
Filed: 2019-11-18
Abstract: To provide a sash which can suppress reduction in fastening strength of screw fastening parts in the event of fire.SOLUTION: Sashes 3, 4 comprise: frame bodies 35, 45 in a framework; glass panels 36, 46 placed inside the frame bodies 35, 45; screw fastening parts 316, 326, 416, 426 provided in horizontal frames 31, 32, 41, 42 that make up the frame bodies 35, 45, extending in the longitudinal direction and opening outward in the longitudinal direction at the end in the longitudinal direction; and heat foam materials 319, 329, 419, 429 placed in the space around the screw fastening parts 316, 326, 416, 426.SELECTED DRAWING: Figure 5
Patent JP-2021079337-A (JP)
Title: Wastewater treatment system, wastewater treatment apparatus, wastewater treatment control apparatus, computer program and wastewater treatment control method
Inventor: OBARA TAKUMI
IPC: C02F3/34
Filed: 2019-11-19
Abstract: To provide a wastewater treatment system, wastewater treatment apparatus, wastewater treatment control apparatus, computer program, and wastewater treatment control method capable of efficiently removing nitrogen and phosphorus from organic wastewater.SOLUTION: A wastewater treatment system according to an embodiment includes: a tank body in which wastewater to be treated is stored, the wastewater to be treated is introduced from an upstream side, and treated wastewater is discharged to a downstream side; at least one air supply part provided in the tank body and arranged at the downstream side of the center of the tank body; an air supply amount control part forming a flow of wastewater from the downstream side to the upstream side in the tank body by an air supply by the air supply part; and a partition tool provided on an upper part of the tank body and at the upstream side of the center of the tank body to block the flow of wastewater from the downstream side to the upstream side.SELECTED DRAWING: Figure 1
Patent JP-2021083253-A (JP)
Title: Power conversion device, control method, and control program
Inventor: YAMADA RYUJI
IPC: H02M3/28
Filed: 2019-11-21
Abstract: To provide a power conversion device capable of efficiently adjusting the amount of power transmission.SOLUTION: A power conversion device includes a transformer, a first bridge circuit that is connected to the primary side of the transformer and can switch the polarity in which a DC bus pair on the primary side is connected to the transformer, a second bridge circuit that is connected to the secondary side of the transformer and can switch the polarity in which the DC bus pair on the secondary side is connected to the transformer, and a control device that can control switching between the first bridge circuit and the second bridge circuit with a phase difference, and the control device includes a frequency adjustment unit that adjusts the switching frequency of the first bridge circuit and the second bridge circuit according to the output from the first bridge circuit or the second bridge circuit and a target value.SELECTED DRAWING: Figure 3
Patent JP-2021086184-A (JP)
Title: Disabled person employment supporting system, disabled person employment supporting method, server device, and program
Inventor: MASUMOTO YUJI
IPC: G06Q30/06
Filed: 2019-11-25
Abstract: To provide a technology for supporting employment of disabled persons by appropriately matching the disabled persons being job seekers, with recruiting companies.SOLUTION: A sever device of the present invention includes: a receiving unit 11a which receives disabled person information and company information; a storage unit 13 which at least stores the disabled person information and the company information; a matching unit 11c which performs matching of the disabled persons being job seekers and recruiting companies by comparing the disabled person information and the company information; and a transmitting unit 11a which transmits a part of company information of companies having a high matching levels according to the matching result to terminal devices of the job seekers. The disabled person information and the company information respectively include consideration information for disabilities. The matching unit compares the consideration information of the disabled person information and the consideration information of the company information, and thereby, calculates the matching level between both of them.SELECTED DRAWING: Figure 2
Patent JP-2020028303-A (JP)
Title: Field leveling machine
Inventor: MINAGAWA TOSHIO
IPC: E02F3/815
Filed: 2019-11-25
Abstract: To provide a field leveling machine capable of holding a first spade member and a second spade member in a front part low state by a first holding saving mechanism and a second holding saving mechanism for performing leveling work of a field by the first and second spade members, and enhancing leveling work ability of chipping, movement and discharge of soil since there are a plurality of spade members.SOLUTION: A field leveling machine is configured so that a fitting frame 3 is vertically movably provided on a travel machine body 1 by a coupling mechanism 2, a soil carrying base 15 is provided on the fitting frame so as to be freely tilted to a rear side, a first spade member 9 is provided on a lower part of the fitting frame in a front part low state. There is provided a first holding saving mechanism 10 by which the first spade member is held to a use position a in a front part low state and the first spade member can be sprung up to a non-use position b from the use position. At least one second spade member 30 is provided on a lower part of the soil carrying base in a front part low state. There is provided a second holding saving mechanism 31 by which the second spade member is held to a use position c in a front part low state, and the second spade member can be sprung up to a non-use position d from the use position.SELECTED DRAWING: Figure 3
Patent JP-2021084890-A (JP)
Title: Oil-based component adsorption improver composition
Inventor: KOJIMA HIROKI
IPC: A61K8/19
Filed: 2019-11-28
Abstract: To provide an oil-based component adsorption improver composition that improves the adsorptivity of an oil-based component to an object.SOLUTION: An oil-based component adsorption improver composition contains (a) at least one compound selected from water-soluble aluminum salt and water-soluble magnesium salt and (b) a metal element belonging to the groups 2 to 16 and the periods 4 to 5 in the elemental periodic table.SELECTED DRAWING: None
Patent JP-2021086119-A (JP)
Title: Lens device and image capturing device
Inventor: TSUCHIYA NOBUO
IPC: G03B17/18
Filed: 2019-11-29
Abstract: To provide a lens device which is advantageous in, for example, efficiently adjusting the back focus.SOLUTION: A lens device provided herein comprises a lens group configured to be movable along an optical axis to adjust the back focus, and a processing unit configured to output information on necessity of the adjustment by an operator.SELECTED DRAWING: Figure 1
Patent JP-2021089976-A (JP)
Title: Frame cleaning mechanism and coating device
Inventor: SODA HARUHIKO
IPC: B05C11/02
Filed: 2019-12-04
Abstract: To provide a frame cleaning mechanism and a coating device that can suppress the scattering of cleaning liquid from a frame onto a wafer when cleaning the frame.SOLUTION: A frame cleaning mechanism 100 for cleaning an annular frame 18 with a workpiece 12 fixed thereto includes a table 14 on which the frame 18 is placed, a table rotation device 40 for rotating the table 18, and a cleaning fluid holding plate 21 that faces the frame 18 and is disposed with a gap between the cleaning fluid holding plate 21 and the frame 18 to hold a cleaning fluid supplied to the gap by surface tension.SELECTED DRAWING: Figure 2
Patent JP-2021094092-A (JP)
Title: Game machine
Inventor: SATO HIDEAKI
IPC: A63F7/02
Filed: 2019-12-13
Abstract: To provide a game machine in which an appropriate operation is performed at an appropriate timing.SOLUTION: When returning means is operated during the power interruption of a game machine and the game machine recovers from the power interruption while the returning means is being operated, an information medium can be returned from a unit on the basis of the operation of the returning means. When lending means is operated during the power interruption of the game machine and the game machine recovers from the power interruption while the lending means is being operated, the lending of the game medium is not performed on the basis of the operation of the lending means. When the returning means is operated during the execution of setting-related processing and the setting-related processing is completed during the operation of the returning means, the game medium can be returned from the unit on the basis of the operation of the returning means during the execution of the setting-related processing. When the lending means is operated during the execution of the setting-related processing and the setting-related processing is completed during the operation of the lending means, the lending of the game medium is not performed on the basis of the operation of the lending means during the execution of the setting-related processing, but the lending of the game medium is performed on the basis of the operation of the lending means after the setting-related processing is completed.SELECTED DRAWING: Figure 74
Patent JP-2021095607-A (JP)
Title: Target for hard coat formation and hard coat
Inventor: TOTSUKA JUN
IPC: C23C14/06
Filed: 2019-12-17
Abstract: To provide a target for forming a hard coat with high hardness and excellent heat resistance.SOLUTION: A target for hard coat formation has a composition represented by TiaAlbZnc, where the a, b, c denote atomic ratios of Ti, Al, Zn, 0.60<a≤0.89, 0.10≤b≤0.30, c=1-a-b, 0<c≤0.30.SELECTED DRAWING: None
Patent JP-2021096362-A (JP)
Title: Display device
Inventor: MAEKAWA MASUMI
IPC: H01L33/50
Filed: 2019-12-17
Abstract: To provide a method of achieving at least either of crosstalk reduction and efficient extraction of light of a first wavelength from first subpixels.SOLUTION: An image display device 90 provided herein has a blue reflection layer 25 configured to cover a surface 221 of a red conversion unit 22 on a side that emits light of a second wavelength and a surface 231 of a green conversion unit 23 on a side that emits light of a third wavelength and to have a size that faces a part of a pixel area 1 at most.SELECTED DRAWING: Figure 1
Patent JP-2020090496-A (JP)
Title: Materials for organic electroluminescent devices
Inventor: AMIR HOSSAIN PARHAM
IPC: C07D487/04
Filed: 2019-12-18
Abstract: To provide: carbazole, dibenzofuran, dibenzothiophene and fluorene derivatives which are substituted by electron-deficient heteroaryl groups for use as triplet matrix materials in organic electroluminescent devices; and a process for preparing the same and electronic devices comprising the same.SOLUTION: A compound is illustrated by the formula in the figure.SELECTED DRAWING: None
Patent JP-2021096396-A (JP)
Title: Image forming system, image forming apparatus, and control program
Inventor: KITAGUCHI TATSUYA
IPC: G03G21/00
Filed: 2019-12-18
Abstract: To appropriately provide identification information even when performing predetermined post-processing to appropriately collect output information on a result of paper output.SOLUTION: An image forming system 10 comprises: a storage unit 120; an image forming apparatus 100; and at least one post-processing apparatus 300 that performs post-processing on a sheet on which an image is formed and is conveyed by the image forming apparatus 100. The image forming apparatus 100 includes: a providing unit 111 that generates and provides identification information for every image forming condition in a print job to be executed; and a first storage processing unit 112 that stores, in the storage unit, the identification information and the image forming condition corresponding thereto in association with each other. The post-processing apparatus 300 includes: a collection unit 311 that collects output information on conveyance of the sheet conveyed from the image forming apparatus 100 and/or the post-processing; and a second storage processing unit 312 that stores, in the storage unit 120, the output information collected by the collection unit 311 in linkage with the identification information.SELECTED DRAWING: Figure 4
Patent JP-2021098792-A (JP)
Title: Double-sided adhesive tape
Inventor: FUJITA TAKUYA
IPC: C09J133/08
Filed: 2019-12-20
Abstract: To provide a double-sided adhesive tape that can express all of excellent impact resistance, excellent reworkability, and excellent alcohol resistance.SOLUTION: The double-sided adhesive tape includes adhesive layers arranged on both surface sides of a base material layer, wherein the adhesive layers are each formed of an adhesive composition, the adhesive composition contains at least one selected from a monomer component (m) and a polymer component (P) obtained by polymerizing the monomer component (m), the monomer component (m) contains 50 wt.% or more of butyl (meth)acrylate, a ratio of a thickness of the base material layer to a total thickness of the double-sided adhesive tape is less than 35%, and the double-sided adhesive tape has a force, which is generated at 100% strain at 23°C and 50% RH, of from 30 N/m to 150 N/m.SELECTED DRAWING: Figure 1
Patent JP-2021098793-A (JP)
Title: Adhesive tape
Inventor: NIWA MICHIHITO
IPC: C09J133/04
Filed: 2019-12-20
Abstract: To provide a double-sided adhesive tape that can express both of excellent impact resistance and excellent reworkability.SOLUTION: An adhesive tape includes adhesive layers 20a, 20b arranged on at least one side of a base material layer 10, wherein the base material layer has a specific gravity of 0.8 g/cm3 or more, and the adhesive tape has a 100% modulus at 23°C and 50% RH of 50 MPa or less.SELECTED DRAWING: Figure 1
Patent JP-2021099269-A (JP)
Title: Calorimeter
Inventor: OZAWA HISAFUMI
IPC: G01N25/22
Filed: 2019-12-23
Abstract: To provide a calorimeter which calculates heat generation quantity and enables the accuracy of the heat generation quantity calculation to be improved.SOLUTION: A calorimeter 20 is used to obtain heat generation quantity on the basis of temperature rise due to combustion of fuel gas, and comprises a combustion function unit 21 and a calculating device 24. The combustion function unit 21 comprises: a tube 25 in which a fuel gas to be measured flows; a catalyst 26a provided inside the tube 25 and for combusting the fuel gas; a heater 27 heating the catalyst 26a; and a sheath thermocouple 28 outputting a signal that corresponds to a temperature rise due to the reaction between the catalyst 26a heated by the heater 27 and the fuel gas. The calculating device 24 calculates heat generation quantity from a temperature rise width ΔT which is based on the signal from the sheath thermocouple 28. Furthermore, the calculating device 24 adds a correction amount that corresponds to the cumulative use hours of the combustion function unit 21 to the temperature rise width ΔT which is based on the signal from the sheath thermocouple 28, to thereby calculate heat generation quantity.SELECTED DRAWING: Figure 2
Patent JP-2021100356-A (JP)
Title: Drive device
Inventor: MIZUTANI TATSUHIKO
IPC: F16C19/06
Filed: 2019-12-23
Abstract: To provide a drive device having a structure that can suppress an axial load on a bearing.SOLUTION: A drive device includes a motor having a motor shaft 21 and a rotor having a rotor body fixed to the motor shaft 21, and a stator surrounding the rotor, a gear unit connected to the motor shaft 21, and a plurality of bearings that rotatably support the motor shaft 21. The motor shaft 21 includes a first shaft 21a fixed to the rotor body, and a second shaft 21b in which one side is connected to the first shaft 21a, and the other side is connected to the gear unit. The second shaft 21b includes a spline shaft unit 26 having a plurality of external tooth units on the outer peripheral surface. The first shaft 21a includes a spline hole 28 into which the spline shaft unit 26 is fitted. The gear unit includes a helical gear unit connected to the outer peripheral surface of the second shaft 21b. The drive device includes oil in a gap between the external tooth and the internal tooth.SELECTED DRAWING: Figure 2
Patent JP-2020191064-A (JP)
Title: Transaction system and method
Inventor: MARIO MIRANDA LAZARO
IPC: G06Q20/40
Filed: 2019-12-24
Abstract: To provide a transaction system having a more efficient process of validation.SOLUTION: A transaction system for promoting transactions includes: a server operable to receive a transaction request including a transaction amount from an online store when a transaction is confirmed in the online store, generate a unique identifier related to the transaction request, and transmit the unique identifier to a user device; and a payment center operable to receive the unique identifier and payment of the transaction amount from a user of the user device, and then transmit a payment request including the unique identifier and the transaction amount to the server. The server is configured to receive and process the payment request.SELECTED DRAWING: Figure 1
Patent JP-2021105967-A (JP)
Title: Renter watch system
Inventor: IKEDA SACHIKO
IPC: G08B21/02
Filed: 2019-12-27
Abstract: To provide a renter watch system capable of coping with an abnormality.SOLUTION: A watch system includes a watch server 10, renter terminals (user terminals 20 and 21), a management company terminal 30, a debt guarantee company terminal 40, and a current use situation information communication device 70. The watch server includes: a current situation information receiving unit 110 that receives current situation information on a renter's use of a rental from the current use situation information communication device; an abnormality determination unit 120 that determines, based on the current situation information acquired by the current situation information receiving unit, that an abnormality has occurred with respect to the safety of the renter; a safety confirmation unit 130 that confirms the safety to the renter when the abnormality determination unit determines occurrence of an abnormality; a use prohibition measure taking unit 150 that takes a measure to prohibit the renter from using the rental when the safety confirmation unit does not receive a response from the renter over a predetermined period of time; and a related person notification unit 160 that notifies the renter terminals, the management company terminal, and the debt guarantee company terminal of the fact that the use prohibition measure taking unit has taken the measure.SELECTED DRAWING: Figure 2
Patent JP-2020109666-A (JP)
Title: Automated valet parking support system and method, and infrastructure and vehicle therefor
Inventor: CHO DAE GIL
IPC: G08G1/00
Filed: 2019-12-27
Abstract: To provide an automated valet parking support system and method, and an infrastructure and a vehicle therefor that, when a driver calls the vehicle, cause the parked vehicle to autonomously move to a pick-up area.SOLUTION: In an automated valet parking support system, a vehicle moves without a driver and autonomously parks in an empty parking space by using communication between an infrastructure 400 and the vehicle. Also using communication between the infrastructure and the vehicle, the vehicle moves to a pick-up area from the parking space without a driver.SELECTED DRAWING: Figure 9
Patent JP-2019527266-A (JP)
Title: 織布接着テープ
IPC: B32B27/00
Filed: 2017-07-04
Abstract: キャリアおよび少なくとも片面上に適用されている接着剤層からなる接着テープであって、ここで前記キャリアは織布、好ましくはポリエステル織布であり、前記織布が・縦糸の糸数が３４〜５４／ｃｍであり、・横糸の糸数が１５〜３０／ｃｍであり、・縦糸が３８〜５５ｄｔｅｘの糸質量を有し、・横糸が５００〜７５０ｄｔｅｘの糸質量を有する、ことを特徴とする前記接着テープ。
Patent JP-2019527854-A (JP)
Title: アレイ基板及び液晶ディスプレイパネル
IPC: G02F1/1339
Filed: 2016-09-06
Abstract: 本発明はアレイ基板２２及び液晶ディスプレイパネルを開示する。アレイ基板２２上に薄膜トランジスタ２２１がマトリックス状に配列され、第１のパッシベーション層２２２が薄膜トランジスタ２２１のソース／ドレイン２２３上に設置され、有機透明層が第１のパッシベーション層２２２上に設置され、且つ薄膜トランジスタ２２１の領域及び２つの隣接した薄膜トランジスタ２２１間の領域を除いた領域に位置し、アレイ基板２２の表面に柱状スペーサ２３が設置され、且つ任意の２つの薄膜トランジスタ２２１の間に位置する。それにより、柱状スペーサ２３が有機透明層の空洞２４に滑り込むのを防止でき、柱状スペーサ２３の安定性を向上できる。
Patent JP-2019531532-A (JP)
Title: 製品および／またはサービスを提供するアプリケーションにおいてユーザのプライバシーを維持するためのシステムおよび方法
IPC: H04L9/08
Filed: 2017-08-07
Abstract: アプリケーションプログラムの分散化はますます進んでいる。トランザクションまたはアプリケーションの異なる構成要素に通信されたユーザデータは、ユーザの複合プロファイルを導出するためにリンクされ得ることが知られている。おそらく複数のセンサデバイスを含む分散ネットワークにおいて、ユーザデータのプライバシーを維持するシステムおよび方法が提示される。スマートデバイスの制御とプロバイダ間のサービスポータビリティへの応用が示される。
Patent JP-2020514943-A (JP)
Title: 効率の変動係数を使用して食品負荷特性の変化を検出するためのシステムおよび方法
IPC: H05B6/68
Filed: 2016-12-29
Abstract: コントローラと、電磁放射を閉じられたキャビティ内に導入して食品負荷を加熱するように構成された複数のＲＦ供給部とを有する電磁調理装置が、提供される。コントローラは、（ａ）ＲＦ励起の生成を、指定された周波数および位相シフトで複数のＲＦ供給部の各々から所定の期間の間引き起こすように、（ｂ）所定の期間中、複数のＲＦ供給部において逆方向電力を測定し、分析して効率を算出し、効率の変動係数を決定し、変動係数を監視して、食品負荷の特性における予想される変化を識別するように、（ｃ）変動係数の変化に基づいて食品負荷の特性において予想される変化が識別されるまで、ステップ（ａ）および（ｂ）を繰り返し実行するように構成される。この特性は、食品負荷の体積であってよい。
Patent JP-2019532575-A (JP)
Title: ウェアラブルデバイスのロケーションを決定するための方法および装置
IPC: H04W8/04
Filed: 2017-08-14
Abstract: ウェアラブルデバイスにワイヤレスにリンクされているモバイル局は、ウェアラブルデバイスからロケーションセッションを開始することを求める要求を受信し、例えば、それは、緊急呼の形式でありうる。モバイル局は、例えば、ウェアラブルデバイスがモバイル局に近接しているかどうかを決定することによって、モバイル局のロケーションがウェアラブルデバイスのロケーションとして使用されうるかどうかを決定する。例えば、モバイル局は、モバイル局がワイヤレスパーソナルエリアネットワーク（ＷＰＡＮ）を通じてウェアラブルデバイスにワイヤレスにリンクされているかどうかを確かめるためにチェックしうる。モバイル局は、ロケーションサーバとのウェアラブルデバイスのためのロケーションセッションを開始する。モバイル局のロケーションがウェアラブルデバイスのロケーションとして使用されないことがありうる場合、ウェアラブルデバイスのためのロケーションセッションは、モバイル局から取得される位置情報を使用しない。【選択図】図４
Patent JP-2019529233-A (JP)
Title: 自動車両用光学検出システムの光学センサを洗浄するための装置
IPC: B60S1/60
Filed: 2017-08-07
Abstract: 本発明は、少なくとも１つの流体を自動車両の洗浄すべき表面に向けて、例えば光学検出システムの光学センサに向けて、噴霧することが意図された洗浄装置（１００）に関する。洗浄装置（１００）において、中空本体（１）の内部で長手方向軸（Ｘ）に沿って延在する固定ロッドを中心として摺動する可動ピストン（３）であって、一端部に洗浄流体分配要素（８、９）を支承する可動ピストン（３）により、流体が分配要素（８、９）に向かって、ピストンとロッドとの間に配設されるとともに異なる軸方向寸法を有する流路チャンネル（１２）を経由して搬送されることが可能とされる。
Patent JP-2019530504-A (JP)
Title: 電気シェーバー
IPC: B26B19/44
Filed: 2017-09-27
Abstract: 本発明は、一般に、水又はその他の流体を用いてシェーバーを清掃及び洗浄することに関する。より具体的には、本発明は、ハンドル部分２と、このハンドル部分によって支持されたシェーバーヘッド３とを備える電気シェーバーに関し、このシェーバーヘッド３は、少なくとも１つの駆動可能なカッター要素５と、シェーバーヘッドの内部を通るすすぎ水のための少なくとも１つのすすぎ開口部６、７とを含む。一態様に応じて、すすぎ開口部は、シェーバーの周囲に向かって連続的に広がる断面を持つホーン形状の輪郭を有する。別の態様に応じて、シェーバーは、シェーバーの対向する側に位置付けられ、接続チャネル１６を介して互いに接続されて、それにより、一対のすすぎ開口部のうちの一方から入る水がすすぎ開口部のうちの他方を介して排出されることを可能にする、一対のすすぎ開口部を含み得る。更なる態様に応じて、一対のすすぎ開口部はそれらの間にある接続チャネルと一緒に、シェーバーを通じて一方の側からその反対側に視線通路を形成し得る。
Patent JP-2019537197-A (JP)
Title: Ｘ線源
IPC: H05G1/00
Filed: 2016-10-19
Abstract: 移動させる必要がないＸ線トモシンセシスが可能な可搬型Ｘ線撮像源（１００）であり、この線源は歯科用および小さい体の部位／小さいエリアの撮像に好適である。【選択図】 図１
Patent JP-2019537562-A (JP)
Title: 免疫原性アルギナーゼペプチド
IPC: A61K38/08
Filed: 2017-10-06
Abstract: 本発明は、ヒトアルギナーゼタンパク質の免疫原性ポリペプチド断片に関する。この断片は、がんの治療または予防にとって特に有用である。【選択図】なし