baber/WOPTO huggingface dataset:
Patent JP-2021515642-A (JP)
Title: 枢動部分を有するかみそりハンドル
IPC: B26B21/52
Filed: 2019-03-25
Abstract: ハンドル。ハンドルは、主要本体と、枢動軸を中心に主要本体と枢動可能に結合され得る枢動ヘッドと、を含むことができる。枢動ばねは、第１のコイルばねと、第２のコイルばねと、第１のコイルばね及び第２のコイルばねを離間された関係で共に結合する主要バー部分と、を含むことができる。第１のコイルばね及び第２のコイルばねのうちの１つは、枢動軸に対して平行であり、かつ枢動軸からオフセットされ、主要本体と相互作用して、枢動ヘッドを第１の位置に付勢する長手方向コイル軸を画定することができる。
Patent JP-2021518172-A (JP)
Title: 次元幾何学的埋め込みにおける神経行動関係（ｎ−ｂｒｉｄｇｅ）に関するシステムおよび方法
IPC: A61B10/00
Filed: 2019-03-13
Abstract: ヒトにおける神経特色と行動特色との間の多次元関係をマッピングするための包括的なデータ駆動型分析フレームワークを含む、次元幾何学的埋め込みにおける神経行動関係（N-BRIDGE）に関する例示的な方法およびシステムを、本明細書に記載する。N-BRIDGEは、行動/症状変動の幾何学を捕捉する新しく定義されたデータ駆動型行動次元に沿った変動の、特定の神経特色の変動へのマッピングを可能にする。神経行動マッピングに基づいて患者を処置する方法は、コンピューティングデバイスのユーザインターフェースから、患者のメンタルヘルスまたは認知状態に対応する患者の行動データを受け取る工程、コンピューティングデバイスの少なくとも1つのプロセッサによって、行動データに基づき、神経データを表す患者についての神経特色マップを予測する工程、少なくとも1つのプロセッサによって、神経特色マップに関連した治療を決定する工程、および神経特色マップに関連した治療によって患者を処置する工程を含む。
Patent JP-2021505686-A (JP)
Title: 肝臓の画像化用配位子としての新規なｄａｚａキレート剤
IPC: C07F5/00
Filed: 2018-12-10
Abstract: 本発明は、一般式(I)の化合物又は、その医薬として許容し得る無機酸若しくは有機酸との塩、水和物、立体異性体、又は溶媒和物に関する（式中、R1、R2、R3、R4、R5、R6、R7、R8、R9、R10、R11、並びにR12は、互いに独立して水素及びアルコキシから選ばれる）。配位子としての式(I)の化合物は、放射能標識された68Ga、64Cu、67Ga、111In、及び99mTc錯体の調製に適している。本発明は更に、式(I)の化合物及び放射能標識された錯体の調製方法、並びに、特に肝臓の、PET/CT等での画像化方法における放射能標識された錯体の使用に関する。【化１】【選択図】なし
Patent JP-2021521709-A (JP)
Title: ナビゲーションおよびポジショニング信号の保護された使用
IPC: H04W64/00
Filed: 2019-02-25
Abstract: 周期的に送信される基準信号は、信号の無認可の検出および利用を防ぐのを助けるのに役立つプロプライエタリな特性を有することができる。より具体的には、基地局は、基準信号が送信される時間、および／または、信号をエンコードするコードを調節することができる。これらの調節は、必要に応じて特定の移動体デバイスと共有されてもよい方程式またはアルゴリズムに基づいていてもよい。【選択図】図４
Patent JP-2021509916-A (JP)
Title: 動物モデルにおけるミエロペルオキシダーゼ酸化活性のｐｉｃ１による阻害
IPC: A61K38/17
Filed: 2019-01-08
Abstract: 治療的に有効な量のPIC1が対象へ投与される、対象における全身性エリテマトーデスを処置する方法が提供される。治療的に有効な量のPIC1が対象へ投与される、輸血関連急性肺損傷を処置する方法も提供される。PIC1は、対象における免疫複合体による補体系の活性化およびNET形成をモジュレートすることができる。PIC1は、対象におけるミエロペルオキシダーゼ（MPO）活性を阻害することもできる。
Patent JP-2021516321-A (JP)
Title: 流体移送組立体
IPC: F16L33/22
Filed: 2018-01-24
Abstract: 開口を有する管腔と、開口に近接して前記管腔の周囲に延びる少なくとも１つの鉤状部とを有する取付具を含む流体移送組立体が記載される。また、流体移送組立体は、可撓性導管と、変形可能なスリーブと、スリーブと導管との間に配置されたエラストマーライナとを備える。取付具は、導管が少なくとも１つの鉤状部の上に延びるように、少なくとも部分的に導管の中に延びる。エラストマーライナは、導管が取付具の少なくとも１つの鉤状部の周りにシール状態で押し付けられるように、導管に対して実質的に３６０度の半径方向圧力を加える。流体移送組立体は、導管の破裂圧力に至るまで、流体密封の状態にされる。【選択図】図５
Patent JP-2021527799-A (JP)
Title: 月齢表示装置
IPC: G04B19/26
Filed: 2019-06-18
Abstract: 【課題】従来の制限がない、月齢表示装置を提供する。 【解決手段】本発明は、時計用の月齢表示装置に関し、当該装置は、少なくとも部分的に月を表現する複数の第１画像（８１から８６）を持つ第１表示部（８０）と、表示領域と、月の表現の連続を表示するために、表示領域を基準にして連続跳躍で第１表示部（８０）を動かすべく作られている駆動手段（２２、２３、２５、４０、４１、４３、６３、７１、７２、６１、６２）とを備える。この装置の独自の特徴は、第１画像の表示期間の全てが等しいのではないという点である。
Patent JP-2021528303-A (JP)
Title: 鉄道路線インフラストラクチャにおけるスマートセンサデータ伝送
IPC: G16Y40/20
Filed: 2019-06-17
Abstract: 本発明は、鉄道路線において、特に鉄道路線インフラストラクチャにおいてセンサデータを自動的に転送する方法及びシステムに関する。方法は、センサデータの関連度基準を決定する段階と、少なくとも１つのセンサによってセンサデータをサンプリングする段階と、関連度基準に従ってセンサデータを自動的に類別する段階と、センサデータのカテゴリに従ってセンサデータを送信する段階と、少なくとも、１つのサーバにおいて、センサデータを受信する段階と、のいずれかを含むことができる。
Patent JP-2021528532-A (JP)
Title: 加工安定化剤としてのフェニルホスフィノ化合物
IPC: C08K5/50
Filed: 2019-06-21
Abstract: 本発明は、成分Ａとしての１つ以上のポリマー、および成分Ｂとしての１つ以上のジフェニルホスフィノ化合物、特に成分Ｂとしてのジフェニルホスフィノ（メタ）アクリレートまたは（メタ）アクリルアミド系化合物を含む組成物に関する。さらに、本発明は、加工中の熱および／または機械的ストレスへの曝露に対してポリマー組成を安定化するためのそのようなジフェニルホスフィノ化合物の使用に関する。
Patent JP-2021530084-A (JP)
Title: 荷電粒子のビームを検査するための方法および装置
IPC: H01J37/244
Filed: 2019-06-25
Abstract: 本発明は、荷電粒子のビーム（１２０）を検査するための方法に関し、この方法は、以下のステップ、すなわち、ビームに対するサンプル（１３０）の複数の位置でビームとサンプルとの持続的相互作用（２１０−ａ〜２１０−ｆ）を生成するステップと、複数の位置での持続的相互作用の空間分布を分析することによってビームの少なくとも１つの性質を導き出すステップとを含む。【選択図】図１
Patent JP-2021520404-A (JP)
Title: チキソトロピー性組成物
IPC: A61K47/02
Filed: 2019-06-05
Abstract: 本発明は、微結晶性セルロース、膨潤または水結合剤、デンプングリコラート、溶媒、およびカルボキシメチルセルロースまたはそのアルカリ塩またはそのアルカリ土類金属塩を含むチキソトロピー性組成物であって、ここで膨潤または水結合剤が、フィロケイ酸塩であり、ここで溶媒が水を含む、前記チキソトロピー性組成物に関する。
Patent JP-2022111902-A (JP)
Title: game machine
Inventor: ISHIZUKA KEITA
IPC: A63F7/02
Filed: 2021-01-20
Abstract: To provide fresh amusement.SOLUTION: A game machine has a first flow path, a second flow path, and a third flow path, and value to a player is higher in the first flow path than in the second flow path, and is higher in the second flow path than in the third flow path. The game machine further has operation means that becomes an operation state for allowing game balls to flow down to the first flow path or the second flow path on the basis of satisfaction of a predetermined operation condition, and allows game balls to flow down to the third flow path in a non-operation state. The first flow path and the second flow path, and the third flow path have parts in which surfaces for forming flow paths in front and rear directions of a game board differ.SELECTED DRAWING: Figure 447
Patent JP-2022112570-A (JP)
Title: Ink jet printer
Inventor: OKUTANI MASAYUKI
IPC: B41J2/01
Filed: 2021-01-22
Abstract: To provide an ink jet printer capable of remarkably improving printing quality by correcting printing distortion even when printing dots continue continuously in print data.SOLUTION: A control section of a controller checks whether printing dots which are continuous with each stroke of printing data are included, and when there is continuous printing dots, further checks whether the number of continuous dots exceeds a predetermined value, and when the continuous dots exceed a predetermined value, target printing voltage to be applied to a charging electrode is set so that the number of printing dots is thinned and positions of the uppermost and lowermost printing dots are maintained, and the other printing dots are equally arranged between the uppermost and lowermost printing dots.SELECTED DRAWING: Figure 7
Patent JP-2021116813-A (JP)
Title: Internal combustion engine system
Inventor: NIELS HVIDTFELDT RASMUSSEN
IPC: F02M21/02
Filed: 2021-01-22
Abstract: To provide an improved internal combustion engine system that provides a safer system.SOLUTION: The present invention relates to an internal combustion engine system. The internal combustion engine system includes: an internal combustion engine generating exhaust gas; an exhaust gas receiver receiving exhaust gas; a turbocharger; and a low flash point fuel supply line for supplying low flash point fuel from a low flash point fuel supply part to the internal combustion engine. The low flash point fuel supply line includes: a first pipe configured to guide low flash point fuel having predetermined fuel pressure to the internal combustion engine; and a second barrier surrounding a first conduit and defining a space between the first pipe and the second barrier to prevent leakage of the low flash point fuel from the low flash point fuel supply line for safety of an engine room. The space includes liquid having liquid pressure higher than fuel pressure.SELECTED DRAWING: Figure 1
Patent JP-2022116740-A (JP)
Title: Laser processing device and laser processing method
Inventor: NOMURA SHINJI
IPC: B23K26/142
Filed: 2021-01-29
Abstract: To provide a laser processing device which can efficiently take in and remove by-products by generating a stable air flow flowing toward a suction part in a processing region of a device for laser processing workpiece.SOLUTION: A laser processing device L includes: a workpiece conveyance part 2 for conveying workpiece that is an object to be processed; a processing region 3 provided in a space that passes the workpiece conveyance part 2 and is substantially sealed; a laser device for laser processing the workpiece conveyed in the processing region 3; a suction device 4 having a filter which sucks air of the processing region 3 by a suction port 41 provided on the downstream side of the workpiece conveyance part 2 in the processing region 3, guides the air to the outside, and collects by-products generated from the workpiece by the laser processing on a guide route; and a punching metal 36 that is provided on the upstream side of the workpiece conveyance part 2 in the processing region 3 and takes outside air in the processing region 3.SELECTED DRAWING: Figure 1
Patent JP-2021151692-A (JP)
Title: Electric power tool and auxiliary handle
Inventor: KAMIYA TAKESHI
IPC: B25F5/02
Filed: 2021-01-29
Abstract: To provide an electric power tool than can improve convenience in using an auxiliary handle.SOLUTION: An electric power tool comprises: a motor: a housing having a motor housing part that houses the motor; a gear case, arranged in front of the motor housing part, which stores a gear; an output shaft, protruded forward from the gear case, which is rotated by rotation force of the motor with a tip tool mounted thereon; a receiving device that receives a detected signal by an inertial sensor 72B provided in an auxiliary handle with the auxiliary handle attached thereto; and a controller that outputs a control signal to control rotation of the output shaft, on the basis of the detected signal by the inertia sensor.SELECTED DRAWING: Figure 8
Patent JP-2022118948-A (JP)
Title: air conditioner
Inventor: FUJIOKA HIROKI
IPC: F24F7/007
Filed: 2021-02-03
Abstract: To propose an air conditioner capable of suppressing an inappropriate state in which indoor air conditioning is unstable.SOLUTION: An air conditioner includes an indoor heat exchanger, an outdoor heat exchanger, a compressor, and a control device for controlling the compressor. The control device has first operation control for operating the compressor in a first operation frequency range and second operation control for operating the compressor in a second operation frequency range different from the first operation frequency range. The control device operates the compressor under the first operation control when the inside of a room is not ventilated, and operates the compressor under the second operation control when the inside of the room is ventilated.SELECTED DRAWING: Figure 5
Patent JP-2021099022-A (JP)
Title: Shear tie system for ventilation type roof ridge
Inventor: MARTIN J ROTTER
IPC: E04B1/58
Filed: 2021-02-04
Abstract: To provide a roof system having a shear tie for a ridge beam and a ridge vent hole for ventilation.SOLUTION: A roof board 18 is situated on a rafter 14, a gap or slot 20 is provided between an upper end of the roof board 18 and a ridge beam 16 and the gap or slot 20 extends across a most part of the ridge beam 16 to provide an air channel for ventilation of a building. A shear tie strap 30 is coupled to the ridge beam 16, and to the roof board 18 at at least one side of the ridge beam 16. A system 10 is used in relation with a roof with tiles having the ridge vent hole for ventilation as well, and also can be used in other roof systems.SELECTED DRAWING: Figure 1
Patent JP-2021141576-A (JP)
Title: Data processing system
Inventor: ERIKL PERSSON
IPC: H03M7/40
Filed: 2021-02-05
Abstract: To provide a data processing system including a storage and a processing element including variable length codes.SOLUTION: The storage stores code portions that, when executed by the processing element, cause the data processing system to obtain a plurality of variable length codes. Each variable length code has a first portion of a variable length and a second portion. The variable length codes are separated into first portions of the variable length codes and second portions of the variable length codes. The data processing system forms a processed stream in chunks using a set of control rules so that, for each chunk of the processed stream containing data from the first portions of the variable length codes, the data from the first portions forms a sub-stream within the chunk of the processed stream that has a size that is determined in accordance with the control rules.SELECTED DRAWING: None
Patent JP-2022121069-A (JP)
Title: Abnormality determination device and abnormality determination method
Inventor: HASHIMOTO TOSHIYA
IPC: G01C21/34
Filed: 2021-02-08
Abstract: To determine an abnormality in a power transmitting apparatus.SOLUTION: An abnormality determination device 1 configured to determine an abnormality in a power transmitting apparatus 2 installed along the road comprises: a processing unit 13; a server communication unit 11 communicable with a plurality of mobiles 4 each including a power receiving apparatus; and a storage unit 12 which stores power reception history information received from the mobiles 4. The power reception history information is information including a power receiving location of reception power received by the power receiving apparatus, and the reception power or power transmission efficiency ηreal calculated based on the reception power. The processing unit 13 is then configured to extract information of a power receiving location where the power transmission efficiency ηreal is less than a predetermined value η1 from the power reception history information of the plurality of mobiles 4 stored in the storage unit 12, and configured to determine the abnormality in the power transmitting apparatus 2 on the basis of the extracted information of the power receiving location.SELECTED DRAWING: Figure 1
Patent JP-2022121148-A (JP)
Title: Grommet
Inventor: KOBAYASHI TAIKI
IPC: H02G3/22
Filed: 2021-02-08
Abstract: To provide a grommet in which an electric wire can be easily inserted into a tube portion.SOLUTION: A grommet 20 includes a first tube portion 22 through which an electric wire can be inserted, a flange portion 30, and a first pleat portion 26. The grommet 20 is deformable to a first state in which the first pleat portion 26 is folded and contracted, and a second state in which the first pleat portion 26 is at least partially expanded. In the first state, the angle formed between an axis A1 of the first tube portion 22 and a virtual plane P is a first angle θ1. In the second state, the angle formed between an axis A2 of the first tube portion 22 and the virtual plane P is a second angle θ2 that is smaller than the first angle θ1. An end opening in the first tube portion 22 is directed to one side in a second direction X that is along the virtual plane P. The height of the first pleat portion 26 in the first state increases from the one side in the second direction X toward the other side that is opposite to the one side.SELECTED DRAWING: Figure 5
Patent JP-2022126039-A (JP)
Title: Cutting tool
Inventor: ASO TAKAHIRO
IPC: B23C5/10
Filed: 2021-02-18
Abstract: To provide a cutting insert capable of downsizing a cutting tool.SOLUTION: A cutting insert 10 includes an upper surface 50 and a lower surface 51 that opposes to each other and have a plurality of corner portions, a side surface 52 that connects the upper surface 50 and the lower surface 51, and forms intersecting ridges 70 and 71 respectively between the upper surface 50 and the side surface 52 and between the lower surface 51 and the side surface 52, and a through-hole 53 that has a center axis C extending from the upper surface 50 toward the lower surface 51, and penetrates from the upper surface 50 to the lower surface 51. On the intersecting ridge 70 between the upper surface 50 and the side surface 52, a corner cutting edge 100 disposed at a position corresponding to a corner portion of the upper surface 50, a sub cutting edge 101 connected to a first end of the corner cutting edge 100, and a main cutting edge 102 connected to a second end of the corner cutting edge 100 are formed. On the side surface 52, a flank 120 of the corner cutting edge 100, and a recessed portion 130 located on the lower surface 51 side of the flank 120 of the corner cutting edge 100 are formed.SELECTED DRAWING: Figure 2
Patent JP-2021093540-A (JP)
Title: Composition for accumulating silicon-containing film and method using the same
Inventor: LI JIANHENG
IPC: C23C16/42
Filed: 2021-02-25
Abstract: To provide a composition for forming a silicon-containing film, for example, in a non-limiting manner, a film of a silicon oxide, a silicon nitride, a silicon oxynitride, a carbon dope silicon nitride, or a carbon dope silicon oxide, onto at least a front surface of a base material having a front surface characteristic part, and provide a method for using them.SOLUTION: According to one aspect, a silicon-containing film is accumulated by using a chemical compound having a formula I or II explained in the present specification.SELECTED DRAWING: Figure 1
Patent JP-2022132804-A (JP)
Title: Chemical sensor module and hydrophobic target molecule detection method
Inventor: SUGIZAKI YOSHIAKI
IPC: G01N27/414
Filed: 2021-03-01
Abstract: To provide a chemical sensor module and a hydrophobic target molecule detection method capable of highly sensitively detecting hydrophobic target molecules taken-in from a gaseous phase in an aqueous solution.SOLUTION: A chemical sensor module includes: a target molecule taking-in unit for exposing a specimen atmosphere containing hydrophobic target molecules to a hydrophilic organic solvent; a mixing unit for producing a specimen liquid by mixing the organic solvent containing the target molecules with an aqueous solution; and a sensor element having a surface to be exposed to the specimen liquid.SELECTED DRAWING: Figure 1
Patent JP-2021119342-A (JP)
Title: System and method for evaluating bubble formation potential in structure
Inventor: WANG XIAOXI
IPC: G01N21/88
Filed: 2021-03-01
Abstract: To predict or evaluate a potential for formation of bubbles in different structures, evaluate bubbling mitigation measures, and enable development of bubble-free structures.SOLUTION: A system for evaluating bubble formation potential in a structure includes an environment test chamber and an environmental controller for controlling a plurality of environmental conditions within the environment chamber. The system additionally includes a detector for capturing images of a structure under test, and an illumination source for controlling illumination of the structure under test. A user interface is coupled to the environment controller for setting and adjusting environmental conditions within the environment test chamber. The user interface is also coupled to the illumination source for setting and adjusting illumination of the structure, and is coupled to the detector for receiving the captured images and evaluating bubble formation potential in the structure under test based on the captured images.SELECTED DRAWING: Figure 1
Patent JP-2022134401-A (JP)
Title: Composite material, and manufacturing method of composite material
Inventor: SHIINTABIIWON SBA
IPC: B22D19/00
Filed: 2021-03-03
Abstract: To provide a novel composite material.SOLUTION: In a composite material containing a matrix material and scaly particles arranged in the matrix material, the scaly particles have a laminated structure inside thereof, and its outer shape has an upper surface and a lower surface extending in a direction perpendicular to the lamination direction, and a side surface that extends upright between the upper surface and the lower surface, and the scaly particles are arranged in the matrix material so that the upper surface and the lower surface are oriented in a predetermined direction. Moreover, the matrix material exists not only around the scaly particles but also between the laminated structures inside the particles.SELECTED DRAWING: Figure 1
Patent JP-2022134822-A (JP)
Title: Power storage pack
Inventor: MATSUHISA TOMOHIRO
IPC: H01M50/50
Filed: 2021-03-04
Abstract: To provide a power storage pack with excellent storage cell cooling performance achieved by supporting various heat sources.SOLUTION: In a power storage pack 1, a first flow path K1 for circulating cooling gas G between power storage cells 3, 3 in an array 2, and a second flow path K2 for circulating the cooling gas G branched from the first flow path K1 to a region where a connector 15 between an electrode terminal 12 and a bus bar 13 is located is provided in a module case H, and in the second flow path K2, a bus bar 21B connected to the electrode terminal 12 of the power storage cell 3B located at a first array end in the array 2 and extending in an array direction of the power storage cell 3 is arranged, and an external heat generating component 23 used in a power storage module M is thermally coupled to the bus bar 21B.SELECTED DRAWING: Figure 3
Patent JP-2022134885-A (JP)
Title: Pharmaceutical composition for treating or preventing hyperammonemia
Inventor: OTANI NAOKO
IPC: A61K31/575
Filed: 2021-03-04
Abstract: To provide a pharmaceutical composition for treating or preventing hyperammonemia and hepatic encephalopathy.SOLUTION: A pharmaceutical composition for treating or preventing hyperammonemia contains rifaximin and conjugated bile acid.SELECTED DRAWING: None
Patent JP-2022135022-A (JP)
Title: Substrate processing apparatus and substrate processing method
Inventor: HIGASHI KATSUE
IPC: H01L21/306
Filed: 2021-03-04
Abstract: To provide a substrate processing apparatus and a substrate processing method that can more quickly discharge a predetermined discharge amount of process liquid onto a substrate.SOLUTION: A substrate processing apparatus comprises: a substrate holding unit; a nozzle 8; a first supply pipe 114; a first opening and closing part 111; a first flow rate adjustment part 112; a second supply pipe 124; and a flow rate control part 200. The second supply pipe 124 supplies a process liquid to the nozzle 8. The flow rate control part 200 controls the first opening and closing part 111 and the first flow rate adjustment part 112. The flow rate control part 200 feedback-controls the opening of the first flow rate adjustment part 112 with the first supply pipe 114 opened in a first period to determine the opening of the first flow rate adjustment part 112 at a first opening. The flow rate control part 200 does not feedback-control the opening of the first flow rate adjustment part 112 with the opening of the first flow rate adjustment part 112 determined to be the first opening in a second period and opens and closes the first supply pipe 114. The first period is a period before the second period.SELECTED DRAWING: Figure 4
Patent JP-2022113603-A (JP)
Title: Storage container with lid provided with part to put finger and spoon handle on
Inventor: YODA TAKEHIRO
IPC: B65D51/24
Filed: 2021-01-23
Abstract: To provide a storage container with a lid that has parts to put a thumb on, other fingers than the thumb on, and a spoon handle and such on so as to eliminate bothering to prepare clean chopsticks, spoon or tongs when taking out food contents from the storage container.SOLUTION: The storage container has a lid (1) that includes: a part to put a thumb on (2); a part to put other fingers than the thumb on (3); and a part to put a spoon handle on(4).SELECTED DRAWING: Figure 1
Patent JP-2022136473-A (JP)
Title: Adhesive device and transfer device using the same
Inventor: YAMADA YASUYOSHI
IPC: H01L21/52
Filed: 2021-03-08
Abstract: To provide an adhesive device capable of accurately picking up an object with a simple configuration and quickly separating the object when peeling, and a transfer technique using the same.SOLUTION: An adhesive device has a main surface whose adhesive force changes by voltage control, and includes a first electrode located on the main surface side and having at least one opening, a second electrode facing the first electrode, and a polymer material layer provided between the first electrode and the second electrode, and the first electrode has an uneven layer on the surface on the main surface side.SELECTED DRAWING: Figure 2
Patent JP-2022140917-A (JP)
Title: Ionic liquid, solvent, preparation, and percutaneous absorption agent
Inventor: GOTO MASAHIRO
IPC: A61K47/18
Filed: 2021-03-15
Abstract: To provide a percutaneous absorption agent that can facilitate the penetration of a nucleic acid into skin.SOLUTION: An ionic liquid comprises a cation comprising an ionized amino group of β-alanine ethyl ester, and an anion represented by the general formula R-COO-. In the general formula, R is a substituted or unsubstituted alkyl group, or a substituted or unsubstituted alkenyl group, where at least one ethylene group constituting the alkenyl group is optionally substituted with a vinylene group.SELECTED DRAWING: Figure 1