baber/WOPTO huggingface dataset:
Patent JP-2019513179-A (JP)
Title: 三次元製造のための多光子吸収によって活性化され得る感光性組成物
IPC: B29C64/268
Filed: 2017-03-29
Abstract: 本発明の分野は、多光子吸収による三次元構造体の製造の分野である。本発明の目的は、生分解性および／または生体適合性および／または生体吸収性である三次元構造体の製造に用いることができる多光子吸収によって活性化することができる感光性組成物を提供することである。したがって、この構造体は、細胞培養のためのマトリックスとして使用することができる。感光性組成物は、− ゼラチン、− コラーゲン、− いくつかの光子によって励起され、一重項酸素を生成することができる水溶性光開始剤、− 必要に応じて細胞接着促進剤、− 及び水を含む。また、本発明は、感光性組成物の製造方法、該感光性組成物から三次元構造体を製造する方法、該製造方法により得られた三次元構造体及び該構造体を含む細胞培養用マトリックスに関する。
Patent JP-2019514894-A (JP)
Title: 植物の成長およびストレス耐性を改善する方法
IPC: A01N37/44
Filed: 2017-05-03
Abstract: 本発明は、有効量の(S)-アブシジン酸およびグリシンベタインを植物に適用することによって植物の成長を改善する方法に関する。本発明はさらに、有効量の(S)-アブシジン酸およびグリシンベタインを植物に適用することによって植物のストレス耐性を改善する方法に関する。
Patent JP-2019514919-A (JP)
Title: 抗ｉｌ−１３抗体を使用する、ｉｌ−１３活性が有害である疾患の治療方法
IPC: A61P1/04
Filed: 2017-04-27
Abstract: 本発明は、インターロイキン−１３（ＩＬ−１３）抗体又はその抗原結合断片を含む組成物を、そのような治療を必要としている対象に投与することによって、好酸球性食道炎（ＥｏＥ）及び喘息を含めた、ＩＬ−１３活性が有害である疾患を治療する方法に関する。
Patent JP-2019522255-A (JP)
Title: デジタル資産のモデリング
IPC: G06Q20/04
Filed: 2017-04-28
Abstract: モデリングされたデジタル資産と、複数の関係者の権利に関するデジタル資産の展開とをモデリングおよび解釈するための、システム(2000〜3300、4200〜4300)および方法(100、3900、4300)が提供され、方法は、複数の関係者のうちの少なくとも1つの権利に関するデジタル資産の譲渡のための、await関数(1200、4320)インスタンスにおいて定義される少なくとも1つの選択肢のうちの1つを使用してawait関数(1200、4320)インスタンスを一度だけ実行するステップであって、前記await関数インスタンスが、少なくとも1つの選択肢と関連付けられるconfigured関数インスタンスを履行するという、影響を受ける関係者の同意のもとで組み込まれる、ステップと、実行するのに複数の関係者のうちの少なくとも1つの同意を必要とするagree関数(1300、3900)インスタンスを実行するステップと、実行された関数インスタンスの結果を付記専用台帳(4000、4312〜4314)に記憶するステップ(4100、4370)とを含む。
Patent JP-2020504228-A (JP)
Title: 多元合金フィルムの調製装置及その調製方法
IPC: C23C14/54
Filed: 2017-12-15
Abstract: 本発明は、多元合金フィルムの調製装置及その調製方法に関し、調製装置は、真空ポンプ群が接続されたチャンバーと、高純度金属液を盛り付けるための複数の金属液容器と、堆積基板を置くための回動可能な基台と、ダブルパルスレーザを発生する複数のレーザ源と、基台制御器と、データ収集制御手段とを含み、データ収集制御手段は、回動可能な基台の温度及びシフト情報を収集し、パルス加圧機器による加圧頻度と、複数のレーザ源によるダブルパルスレーザの出射頻度及びエネルギーを制御して、プラズマ体フィルムの堆積を自動的に制御することが可能になり、基台制御器は、データ収集制御手段により基台の温度及びシフト情報を收集する。
Patent JP-2019503644-A (JP)
Title: 冷却フィンを有する回転電気機械
IPC: H02K11/049
Filed: 2017-01-30
Abstract: 本発明は、自動車両に給電するように少なくともオルタネータモードで作動可能な回転電気機械（１００）であって、‐前記ステータ（３）の前記相巻線に電気的に接続されるパワーエレクトロニクス回路（１５）と、‐前記パワーエレクトロニクス回路が装着される第１面を一方で有するとともに、前記第１面に対向する第２面であって、前記後方軸受（４）に向かって配向される第２面を含む放熱板（１６）と、‐前記放熱板（１６）に向かって配向される前記後方軸受（４）の上面と前記放熱板（１６）の前記第２面との間における冷却流体の流れのための流路（１７）と、を有する回転電気機械において、前記放熱板（１６）の前記第２面は、冷却フィン（１８）を有し、フィン（１８）の少なくとも１つの軸方向端部は、少なくとも前記後方軸受（４）の前記上面のレベルまで軸方向に延在する、ことを特徴とする回転電気機械に主に関する。
Patent JP-2019511343-A (JP)
Title: 光線療法による乾癬処置の方法と組成物と装置
IPC: A61P17/00
Filed: 2017-02-09
Abstract: 皮膚疾患を処置する光線療法の為の組成物と方法と装置。詳しく記すと、本書に記載されるのは、乾癬のような皮膚疾患を処置する光線療法ＵＶ光アプリケータ（光源）と共に使用する為の方法と組成物と光線療法ドレッシングと、光線療法ＵＶ光アプリケータである。【選択図】 図３
Patent JP-2019526948-A (JP)
Title: 電子ディスプレイ遠隔画像確認システム及びその方法
IPC: H04N17/00
Filed: 2017-05-31
Abstract: 電子ディスプレイ(102)に示された画像(100)を遠隔で確認するシステム及び方法が提供される。プロセッサ(110)は、スクリーン・キャプチャ装置(108)に、電子ディスプレイ(102)に現在示されている画像のスクリーン・キャプチャを撮るように指示する。スクリーン・キャプチャは、電子ストレージ装置(112)に記録することができ、ネットワーク接続装置(114)を介してネットワーク・データベース(120)に送信することもできる。顧客は、ネットワーク・データベース(120)に接続されるユーザ・インターフェースを介してスクリーン・キャプチャにアクセス可能となる。
Patent JP-2019518653-A (JP)
Title: 車両の安全警告灯及び火災感知機能を有するキャンピングレジャー兼用照明装置
IPC: B60Q7/00
Filed: 2017-04-27
Abstract: 本発明による車両の安全警告灯機能を有するキャンピングレジャー兼用自動車常時具備照明装置は、左右に配置される一対の第１の磁石部材が設けられる長方状の固定プレートと、前記固定プレートの前面下側に形成される第１の感知センサーと、前記固定プレートの前面に形成され、前記固定プレートの上側隅を除く残りの隅と隣接して形成される「コ」の字状の前面挿入溝と、前記前面挿入溝に選択的に固定され、ヒンジを介して、前記固定プレートに対して、前面に向かって回転自在に設置される「コ」の字状の第１の支持部材と、前記固定プレートの両側の上下方向に形成される一対の側面挿入溝と、それぞれの前記側面挿入溝内にヒンジを介して結合され、前記第１の支持部材と反対方向に引き出される一対の第２の支持部材と、背面には、前記第１の磁石部材と結合される第２の磁石部材が設けられ、バッテリーが内蔵され、前面には、照明装置が設けられる照明部と、前記照明部にヒンジを介して回転可能に結合されて、前記照明装置を選択的に覆う蓋体とを含み、前記照明装置が前記蓋体によって覆われた場合、前記照明装置は点滅することを特徴とする。
Patent JP-2019517343-A (JP)
Title: 取外し可能なリザーバを備える毛髪スタイリング機器
IPC: A45D1/00
Filed: 2017-06-02
Abstract: 本発明は、ベース（３）であって、マウント（９）、ならびに取外し可能なリザーバ（１１）であって、リザーバ（１１）がマウント（９）から離れている接続解除位置、およびリザーバ（１１）がマウント（９）と流体的に係合する動作位置をとるように構成された、取外し可能なリザーバ（１１）を備えるベース（３）と、ベース（３）から遠隔にあるポータブルユニット（５）と、ベース（３）とポータブルユニット（５）を流体的に接続するライン（７）とを備える毛髪スタイリング機器であって、ベース（３）が、接続解除位置から動作位置へのリザーバ（１１）の通過を検出するように構成された検出器（４７）を有する検出システム（４５）も備えることを特徴とする毛髪スタイリング機器に関する。
Patent JP-2019080341-A (JP)
Title: Management system and management method
Inventor: SAKUMA AKIHIRO
IPC: H04N7/18
Filed: 2019-01-08
Abstract: To provide a management system and management method improved in terms of security.SOLUTION: The management system includes: an individual identification sensor that detects an identifier transmitted from an ID tag in a management area; a camera for photographing the inside of the management area; and a server connected to the individual identification sensor and the camera via a network. The server includes: a storage unit that stores a master that associates a name of a registered individual and an identifier; a communication unit that acquires an identifier from the individual identification sensor and acquires video data from the camera; and a processing unit that identifies a name of the individual associated with the acquired identifier from the master and associates the identified individual name with the acquired video data.SELECTED DRAWING: Figure 1
Patent JP-2020112964-A (JP)
Title: Hollow pedal and manufacturing method thereof
Inventor: ADACHI YASUO
IPC: B60T7/06
Filed: 2019-01-10
Abstract: To suppress the size of a cross-sectional shape of a pedal after securing strength as a pedal by forming a closed cross section structure without providing a flange part in a hollow pedal.SOLUTION: A hollow pedal formed by combining a pair of U-shaped cross-sectional split bodies 10L, 10R to be framework members by facing respective open sides to be a closed cross-sectional structure, and covering the outer periphery of the closed cross-sectional structure with a resin outer skin 4 so as to maintain the closed cross-sectional structure is provided with resin abutment parts 20L, 20R formed by covering abutment edge parts 11L, 11R of the respective split bodies 10L, 10R abutted on each other in the closed cross-sectional structure with resin. The respective resin abutment parts 20L, 20R form fitting structures 30 for inhibiting resin from flowing from outer sides to inner sides of the closed cross-sectional structures during being molded by being abutted on each other.SELECTED DRAWING: Figure 8
Patent JP-2020113016-A (JP)
Title: Watching system, watching method, and program
Inventor: SUWA YOSHIHARU
IPC: G08B25/04
Filed: 2019-01-11
Abstract: To provide a watching system with which it is possible to sense in early stages that the person being watched is about to enter a dangerous action in a bed and prevent an accident in and around the bed.SOLUTION: Provided is a watching system for detecting the getting-out-of-bed behavior of the person being watched who lies down along the long side of a rectangular bed, with the head placed on a predetermined short side of the bed. The watching system comprises: a thermal image information acquisition unit TG for acquiring data that indicates a temperature distribution in a prescribed area as thermal image information and having an infrared array sensor substrate on which a plurality of thermopile elements are arrayed in matrix form; and a getting-out-of-bed behavior determination unit GJ for determining the getting-out-of-bed behavior of the person being watched, on the basis of the thermal image information acquired by the thermal image information acquisition unit TG. The thermal image information acquisition unit TG is arranged at a position downward of the ceiling so that the back and both arms of the person being watched having gotten out of bed turning the back to the short side are captured from behind and thermal image information is acquired.SELECTED DRAWING: Figure 5
Patent JP-2020111187-A (JP)
Title: High pressure gas container mounted vehicle
Inventor: KAWASE AKIRA
IPC: H01M8/00
Filed: 2019-01-11
Abstract: To secure a seal function of a seal member incorporated into a high pressure gas container and prevent occupants from feeling discomfort.SOLUTION: A high pressure gas container mounted vehicle 10 is provided with an inner chamber other than a crew compartment 22 and a container chamber 50 which houses a high pressure gas container 60 which stores a high pressure gas. The inner chamber houses heating elements 32, 34. Further, the high pressure gas container mounted vehicle 10 is formed with: an introduction port 42 for introducing atmospheric air to the inner chamber; a communication passage allowing communication between the inner chamber and the container chamber 50; and a lead-out port 64 for leading out atmospheric air from the container chamber 50. The atmospheric air introduced into the inner chamber through the introduction port 42 contacts with the heating elements to cause temperature rise. Furthermore, the atmospheric air having increased temperature contacts with the high pressure gas container 60 at the container chamber 50.SELECTED DRAWING: Figure 1
Patent JP-2020116712-A (JP)
Title: Using method for processing device
Inventor: MITANI SHUZO
IPC: B24B7/00
Filed: 2019-01-25
Abstract: To eliminate the need for time and task for replacing a cassette according to the types of work-pieces in order to grind different types of work-pieces by a grinding device under the same processing condition.SOLUTION: A using method for a processing device comprises: a work-piece preparation step in which a collection cassette including a plurality of steps accommodating a plurality of types of work-pieces to be processed under the same processing condition is placed on a first cassette placing table, and a first categorized cassette accommodating a first type of work-pieces of processed work-pieces are placed on a second cassette placing table; a registration step in which information about on which step of the collection cassette the first type of work-pieces are accommodated is registered in a control unit; a grinding step in which the first type of work-pieces carried out from the collection cassette are ground by a grinding unit; and an accommodation step in which, based on the information registered in the control unit, the first type of work-pieces ground in the grinding step are accommodated in the first categorized cassette.SELECTED DRAWING: Figure 1
Patent JP-2019061973-A (JP)
Title: Light-emitting device
Inventor: YAMAZAKI SHUNPEI
IPC: H05B33/28
Filed: 2019-01-29
Abstract: To provide a highly efficient white light-emitting element having a spectrum in a wide wavelength region, and to provide a white light-emitting element in which white chromaticity is less likely to change over time, and a white light-emitting element the shape of emission spectrum of which is less likely to depend on the current density.SOLUTION: A first light-emitting element 210 and a second light-emitting element 220 are laminated in series on a substrate 200, the first light-emitting element 210 has a structure where a luminous layer 212 is sandwiched between a first positive electrode 211 and a first negative electrode 213, and the second light-emitting element 220 has a structure where a luminous layer 222 is sandwiched between a second positive electrode 221 and a second negative electrode 223. Here, the luminous layer 212 shows a first emission spectrum 230 having peaks in both regions of blue-bluish green and yellow-orange, while the luminous layer 222 shows a second emission spectrum 240 having a peak in the yellow-orange region.SELECTED DRAWING: Figure 2
Patent JP-2020121783-A (JP)
Title: Hinge cap
Inventor: YAMAMOTO MANABU
IPC: B65D47/08
Filed: 2019-01-31
Abstract: To provide a hinge cap molded so that a synthetic resin does not go around the outside of a film inserted into a mold when the film is insert-molded to form a hinge part.SOLUTION: A hinge cap comprises a cap body B attached to a container A and a lid body D openably and closably attached to the cap body B via a hinge part C. The cap body B includes a mounting part 3 mounted on a mouth part 1 of the container A, and a recessed groove 12 formed in at least a predetermined range near the hinge part C in a circumferential direction from an upper surface of the mounting part 3 except for the hinge part C side. The lid D includes a top wall 20 and a side peripheral wall 21 vertically extending from a peripheral part of the top wall 20. The hinge part C connects the mounting part 3 of the cap body B and a side peripheral wall 21 of the lid D in a continuous manner, and is formed by a film 16 formed by insert molding.SELECTED DRAWING: Figure 1
Patent JP-2020123221-A (JP)
Title: Sequential hierarchical cluster classifying device, sequential hierarchical cluster classifying method, and sequential hierarchical cluster classifying program
Inventor: NARITA SHO
IPC: G06F16/00
Filed: 2019-01-31
Abstract: To provide a sequential hierarchical cluster classifying device, classifying method, and classifying program that update cluster classification results in a short time when data is added.SOLUTION: A sequential hierarchical cluster classifying device 1 includes an update unit A that includes a cluster analysis unit 12 for performing cluster classification by hierarchical clustering for multiple pieces of data and that locally updates cluster classification results for the multiple pieces of data when inserted data is not an outlier that satisfies a predetermined criterion in the case where new inserted data is added after the cluster classification unit 12 performs cluster classification for the multiple pieces of data.SELECTED DRAWING: Figure 1
Patent JP-2020123274-A (JP)
Title: Defect factor analysis method, defect factor analysis device and computer program
Inventor: HAYASHI KENTARO
IPC: G05B19/418
Filed: 2019-01-31
Abstract: To provide a defect factor analysis method, a defect factor analysis device, and a computer program for promptly clarifying a defect factor.SOLUTION: The defect factor analysis method acquires, for each of a plurality of solar cells manufactured within a predetermined period, quality data that associates whether each solar cell is defective with contents of plural types of manufacturing conditions when the individual solar cells have been manufactured, performs a decision tree analysis with presence or absence of defects in the solar cells taken as a target variable, and with the plural types of manufacturing conditions taken as plural types of explanatory variables to create a decision tree that classifies the quality data of the plurality of solar cells according to the content of each manufacturing condition in stages in an order of manufacturing conditions that have a larger effect on the presence or absence of defects, and displays the created decision tree and classification results of the quality data, including the manufacturing conditions used for classification of the quality data.SELECTED DRAWING: Figure 4
Patent JP-2020025068-A (JP)
Title: Photoelectric conversion element, photoelectric conversion element module, organic thin-film solar cell, electronic device, and power supply module
Inventor: ARAI RYOTA
IPC: H01L51/44
Filed: 2019-02-01
Abstract: To provide a photoelectric conversion element which can maintain high photoelectric conversion performance and has excellent resistance to bending even when a photoelectric conversion element exhibiting excellent photoelectric conversion performance is subjected to a bending treatment.SOLUTION: A photoelectric conversion element includes, on a substrate 2, a first electrode 3, an electron transport layer 4 including at least metal oxide fine particles, a photoelectric conversion layer 5 including at least two or more organic materials, a hole transport layer 6, a second electrode 7, and an insulating layer 8, and the first electrode includes a transparent conductive thin film layer a, a metal thin film layer, and a transparent conductive thin film layer b, and when the average particle diameter of the metal oxide fine particles is D, and the average thickness of the photoelectric conversion layer is T, 7.0≤T/D≤40.0 is satisfied.SELECTED DRAWING: Figure 1
Patent JP-2019065456-A (JP)
Title: Knee slider
Inventor: KOBAYASHI KAZUTO
IPC: A41D13/015
Filed: 2019-02-01
Abstract: To provide a novel knee slider having a plurality of divided resin masses, allowing a user to appropriately replace and use only a worn-out part thereof.SOLUTION: A knee slider comprises: a base having a plurality of cylindrical nuts fixed to a core material and front and back layers covering the core material in a state of projecting the opening of the plurality of cylindrical nuts; a sensor part formed by combining a plurality of resin masses; and a fastening screw for fastening and fixing each of the plurality of resin masses to the base. Each of the plurality of resin masses has a plurality of stepped holes having on an inner peripheral surface thereof step parts into which the fastening screw is inserted to fasten and fix each of the plurality of resin masses to the base, and on which the head of the fastening screw abuts; and each of the plurality of resin masses is fixed to the base by fastening the fastening screw that is inserted to the stepped holes to the cylindrical nuts until the head of the fastening screw is pressed against the step part.SELECTED DRAWING: Figure 1
Patent JP-2020125600-A (JP)
Title: Snow removal vehicle control device
Inventor: HIRAYAMA HIDEKI
IPC: B61D49/00
Filed: 2019-02-01
Abstract: To improve snow removal efficiency by eliminating the need for an operator of a snow removal vehicle to operate the vehicle speed adjustment while considering the operating speed of the snow removal member and the distance to an obstacle.SOLUTION: A control device 5 of a snow removal vehicle 10 comprises: a snow removal control unit 51 that executes an automatic retraction control to control an actuator 24 to retract a snow removal member 23 from a use state to a retract state when a prescribed retract operation start position on the entrance side of an obstruction Q is reached in an operation direction; and a speed control unit 52 that executes, when antennas 17A, 17B detect a warning tag 7A installed on the entrance side of the vehicle from the retract operation start position in the operation direction, a speed limit control to control a vehicle speed regulator E so that the vehicle speed at the time of reaching the retract operation start position is less than or equal to the prescribed speed limit.SELECTED DRAWING: Figure 3
Patent JP-2020124824-A (JP)
Title: Position information adjusting device, handy-type droplet discharge device including the position information adjusting device, position information adjusting method of handy device and position information adjusting program of handy device
Inventor: TANAKA YUJI
IPC: B41J3/28
Filed: 2019-02-01
Abstract: To smoothen a steep change of a detection value of position detection means for detecting a moving amount of a handy device on an object, and to suppress an adverse effect of the smoothening in a moving area as a whole.SOLUTION: A position information adjusting device 510 which is used by being moved to an object 12, and mounted to a handy device 20 to which position detection means 30 for detecting a moving amount by detecting a position is mounted comprises: a detection value monitoring part 71 for monitoring whether or not a detection value of the position detection means 30 is steeply changed; a substitution value setting part 72 for setting a substitution value for replacing the detection value so as to correct it when the detection value is steeply changed; and an error adjusting part 76 for adjusting a this-time substitution value and a detection value on and after the next detection value by using a part of a difference between the this-time detection value and the replaced substitution value.SELECTED DRAWING: Figure 15
Patent JP-2020128245-A (JP)
Title: Band-wrapping packaging apparatus, packaging method
Inventor: SHIBUYA HIROYUKI
IPC: B65B61/02
Filed: 2019-02-12
Abstract: To provide a band-wrapping packaging apparatus and a packaging method capable of conveying a band sheet to surely form a loop and wrapping the band sheet around goods even when the band sheet with low rigidity (there is no stiffness) is used, and also to provide a band-wrapping packaging apparatus and a packaging method corresponding to many types of band sheets.SOLUTION: A band-wrapping packaging apparatus in which a log band sheet is formed in a loop shape and wrapped around goods includes conveying means that conveys the long band sheet in a conveying direction, loop formation means that forms the band sheet in the loop shape, and generation means that bends a cross-section shape of the band sheet in a direction orthogonal to a band sheet convey direction to a width direction. The generation means is disposed at an upstream side of the band sheet convey direction with respect to at least a first loop corner of the loop formation means. The generation means bends a cross-section central part of the cross section shape of the band sheet from a tip end of the band sheet outward to the loop.SELECTED DRAWING: Figure 11
Patent JP-2020128362-A (JP)
Title: Antibacterial film and packing material
Inventor: SUGIYAMA YUKI
IPC: A01N37/02
Filed: 2019-02-12
Abstract: To provide an antibacterial film capable of showing sufficient spatial antibacterial effect without damaging a characteristic (flavor of a food product or the like) of an article in contact; and to provide a packing material using the same.SOLUTION: An antibacterial film contains a substrate, an adhesion layer containing an antibacterial medicine, and a heat-sealed resin layer. In the antibacterial film, the antibacterial medicine is 2-methyl propanoic acid 2, 2-dimethyl-1-(2-hydroxy-1-methylethyl) propyl ester or isovaleral or 1-phenyl-3-pentanone, and a volatilization volume of the antibacterial medicine, when heating the antibacterial film at 150°C for 20 minutes, is 0.01 g/mor more and 1.5 g/mor less.SELECTED DRAWING: Figure 1
Patent JP-2019136509-A (JP)
Title: Optimizing radiation dose to overlapping structures
Inventor: JARKKO PELTOLA
IPC: A61N5/10
Filed: 2019-02-12
Abstract: To relate generally to treatment planning for radiation therapy, and more specifically to provide techniques for optimizing radiation dose in instances where two or more structures with conflicting treatment objectives overlap.SOLUTION: In radiation therapy, treatment objectives applicable to different identified structures in a patient's body (e.g., a target structure and an organ at risk (OAR)) may conflict due to overlap between the structures. Automated systems and methods can detect and resolve such conflicts. For example, a set of modified regions that do not overlap with each other can be defined, and a modified treatment objective for each modified region can be determined based on the original treatment objectives. The modified regions and modified treatment objectives can be used in treatment planning processes.SELECTED DRAWING: Figure 7
Patent JP-2020132912-A (JP)
Title: Wear-resistant thick steel plate
Inventor: YOSHIMURA HITOHIDE
IPC: C22C38/00
Filed: 2019-02-14
Abstract: To provide a wear-resistant thick steel plate, that has an excellent bending processability, manufactured by performing hot rolling.SOLUTION: A wear-resistant thick steel plate having a metallographic structure in which the steel composition contains, in mass%, C: 0.050 to 0.200%, Mn: 7.0 to 13.0%, Si: 1.00% or less, P: 0.0200% or less, S: 0.0050% or less, Al: 0.100% or less, N: 0.0080% or less, furthermore contains one or more of Mo: 0.05 to 3.00%, W: 0.05 to 3.00%, B: 0.0003 to 0.0040%, the balance consists of Fe and impurities, contains, in area %, α'martensite by 50% to 97%, contains at least one of ε-martensite and austenite as well as the area ratio of the sum of these is 3% to 50%, the balance consists of pearlite and ferrite, and the area ratio of α'martensite is the maximum.SELECTED DRAWING: None