baber/WOPTO huggingface dataset:
Patent JP-2011502284-A (JP)
Title: 波長変換素子及びその作製方法
IPC: G02F1/37
Filed: 2008-10-23
Abstract: 発明の特定の実施形態は全般的に波長変換素子を作製する方法に関する。この方法にしたがえば、波長変換素子は、非線形工学材料を提供する工程及び無後方反射周期Λで配列された複数の周期分極反転ドメインを形成するために非線形光学材料を反転分極させる工程によって作製される。分極反転非線形材料の形状寸法及び無後方反射周期Λは、分極反転非線形光学材料の位相整合波長λ Φ と分極反転非線形光学材料のブラッグ波長λ ブラッグ の間の差が１ｎｍより大きくなるように選ばれる。
Patent JP-2011503481-A (JP)
IPC: F16D65/18
Filed: 2008-10-13
Abstract: The device (2F) has a brake module (6F) cooperating with a mechanism i.e. rail (16F), moving relative to the brake module, and a handle (4F) adjustable between two operating positions (36F, 38F). The handle is connected in the operating position (36F) with the brake module in such a manner that aerodynamic force is transferred from the handle to the brake module. The handle in the operating position (38F) is separated from the brake module such that the brake module is in contact with the mechanism. An independent claim is also included for a method for adjusting a brake module for a cabin moving relative to a lift shaft.
Patent JP-2011503309-A (JP)
Title: 照射硬化性組成物
IPC: C08F20/36
Filed: 2008-11-07
Abstract: 本発明は、少なくとも１個のイソシアネート反応官能性基−ＸＨ（ここで、各Ｘは独立して、ＯまたはＮＲである）を含み、少なくとも１．５０の屈折率（Ａ）を有する少なくとも１種の化合物（ｉ）、少なくとも１種のポリイソシアネート（ｉｉ）および場合により、少なくとも１個のイソシアネート反応官能性基−ＹＨ（ここで、各Ｙは独立して、Ｏ、ＮＲまたはＳである）および少なくとも１個の硬化官能性基Ｑを含む少なくとも１種の化合物（ｉｉｉ）の反応から得られる少なくとも１種の化合物を含む組成物およびその高屈折率コーティングおよびフィルムの製造における使用に関する。
Patent JP-2011505954-A (JP)
Title: 混濁媒体の内部における不均質性の存在を検出するための方法及び、混濁媒体の内部を画像化するための装置
IPC: G01N21/64
Filed: 2008-12-11
Abstract: 混濁媒体１の内部における不均質性の存在を検出するための方法が提供される。該方法は、検査されるべき混濁媒体１を、混濁媒体の内部を検査するための装置の受入体積２の中に置いて、第一の測定を実行するステップと、検査されるべき混濁媒体１を、混濁媒体の内部を検査するための装置の受入体積２の中に置いて、第二の測定を実行するステップとを有する。第二の測定は第一の測定後にある時間間隔Δｔが経過した後に実行される。第一の測定と第二の測定の各々は、続いて複数の異なる光源位置から少なくとも１つの光源６からの光で混濁媒体１を照射するステップと、各光源位置に対して複数の異なる検出位置において混濁媒体から発する光を検出するステップ、及び、検出された値を測定結果として格納するステップとを有する。該方法はさらに、第一の測定と第二の測定のうちの一方の測定結果を基準として使用し、第一の測定と第二の測定のうちの他方の測定結果を、基準からの偏差を決定するために使用することによって、混濁媒体１の内部における不均質性を検出するステップを有する。
Patent JP-2011506888-A (JP)
Title: 原動機付き車両用トランスミッションにおけるサーボアシスト装置
IPC: F16H63/30
Filed: 2008-12-02
Abstract: 【課題】シフトレバーの位置決めを改善しつつ従来の欠点を軽減又は解消することが可能な車両用トランスミッションにおけるシフト装置のサーボアシスト装置を提供すること。 【解決手段】手動シフト力が作用する制御ロッド２０と、ピストンロッド２２と、前記制御ロッド２０上における前記ピストンロッド２２の径方向内部に配置された少なくとも１つの弾性要素とを含んで構成された、原動機付き車両用トランスミッションにおけるシフト装置１１のサーボアシスト装置１０において、前記制御ロッド２０の１つ又は両方の操作方向における前記弾性要素と前記ピストンロッド２２の間に遊びが形成されるよう前記弾性要素を前記制御ロッド２０上に配置した。
Patent JP-2011507205-A (JP)
Title: 多重反射式飛行時間型質量分析器
IPC: G01N27/62
Filed: 2008-12-22
Abstract: 本発明は、多重反射式飛行時間型質量分析器でイオンを反射させる方法を提供し、この方法は、複数の電極を有するイオンミラーを設けるステップであって、イオンミラーが、ミラー内のイオンの飛行時間分離方向に一般的に位置するイオンミラーの長手軸（Ｚ）に各々が直交する第１の副軸（Ｙ）及び第２の主軸（Ｘ）を有する断面を有するステップと、イオンをイオンミラーに向かって導くステップと、電界を生成するように電圧を電極に印加するステップであって、これが、（ａ）イオンの平均軌道を、ミラーの長手（ｚ）軸及び主軸（Ｘ）を含むイオンミラーの対称平面に交差させ、（ｂ）イオンをイオンミラーで反射させ、（ｃ）イオンを、イオンミラーを通過するイオンの平均軌道が、対称平面に直交して且つそこから発散する方向（Ｙ）における運動成分を有するような方向で、イオンミラーから脱出させる、ステップと、を包含する。
Patent JP-2011507836-A (JP)
Title: グルココルチコステロイド受容体アゴニストとして作用するステロイド誘導体
IPC: A61P11/02
Filed: 2008-12-18
Abstract: 本発明は、式(Ｉ)     〔式中、ｎ、ｐ、Ｒ １ 、Ｒ ２ 、Ｘ １ 、Ｘ ２ 、Ｘ ３ 、Ｒ ３ａ 、Ｒ ３ｂ 、Ｒ ４ 、Ｒ ５ およびＲ ６ は明細書で定義した通りである。〕 の化合物、その製造方法、それを含む医薬組成物および治療におけるその使用に関する。
Patent JP-2011509886-A (JP)
IPC: B65D81/38
Filed: 2008-01-14
Abstract: A double-walled vessel (1) is disclosed, which has a pressure equalization opening (24). Said opening is closed by a stopper (4), which has at least one gas passage channel (41). Said channel is configured such that it allows air to pass, while it prevents the penetration of water into the intermediate space. The stopper is preferably made from a silicone-based plastic and fastened to the vessel by means of an adhesive based on acetoxy silicone. For fastening purposes, it may comprise a disk-like fastening flange (43).
Patent JP-2011512305-A (JP)
Title: 特に、医療用途のための噴霧器
IPC: B65D47/06
Filed: 2009-02-02
Abstract: この噴霧器（１）は、噴霧される製品のための分配口を備えた、製品の容器（２）、および、噴霧アセンブリ（３）を含み、上記噴霧アセンブリ（３）は、この分配口と流体連通しており、そして、装着軸の周りへの挿入によって容器（２）に固定可能であり、この噴霧アセンブリ（３）は、上記容器（２）に固定可能であるように適合された近位領域（１４）を画定し、上記装着軸を横断し、噴霧口（１１）が配置されている遠位壁（１０）を含んでいる噴霧器本体（６）、および、噴霧器本体（６）に装着されることを意図されたキャップ（７）を含む。本発明によれば、キャップ（７）は、上記装着軸を横断する壁（２０）を含み、実質的に損傷することなく、上記容器（２）にこの噴霧器本体（６）を固定するのに必要な５０〜１００Ｎの力に耐えて、この力の上記噴霧器本体（６）への伝達を可能とするため、十分に堅固である。
Patent JP-2011513422-A (JP)
Title: ２−アミノ−５−シアノ安息香酸誘導体を製造するための方法
IPC: C07C253/14
Filed: 2009-03-04
Abstract: 式２の化合物を、金属シアン化物試薬、銅（Ｉ）塩試薬、ヨウ化物塩試薬および式３の少なくとも１種の化合物 【化１】     （式中、Ｒ １ はＮＨＲ ３ またはＯＲ ４ であり；Ｒ ２ はＣＨ ３ またはＣｌであり；Ｒ ３ は、Ｈ、Ｃ １ 〜Ｃ ４ アルキル、シクロプロピル、シクロプロピルシクロプロピル、シクロプロピルメチルまたはメチルシクロプロピルであり；Ｒ ４ はＨまたはＣ １ 〜Ｃ ４ アルキルであり；Ｘは、ＢｒまたはＣｌであり；ならびに、Ｒ ５ 、Ｒ ６ 、Ｒ ７ およびＲ ８ は、開示中に定義されているとおりである） と接触させる工程を含む式１の化合物を製造する方法が開示されている。   式１の化合物を上記に開示の方法により製造する工程、または、上記に開示の方法により製造した式１の化合物を用いる工程により特徴付けられる、式１の化合物を用いて、Ｒ １１ 、Ｒ １２ 、Ｒ １３ およびＺが開示中に定義されているとおりである式４の化合物を製造する方法もまた開示されている。 【化２】
Patent JP-2012143099-A (JP)
Title: Lock structure of electronic apparatus housing box
Inventor: SANOKI DAISUKE
IPC: E05B1/00
Filed: 2011-01-05
Abstract: PROBLEM TO BE SOLVED: To provide an electronic apparatus housing box which prevents mischief to a handle and effectively prevents users from forgetting to lock any of multiple locking parts existed in a door without impairing exterior appearance of the door because of the handle having a function for opening/closing the front door of the electronic apparatus housing box.SOLUTION: In an electronic apparatus housing box, at least any of a rear surface door 3 and side surface plates as well as a front door 1 of a housing 6 can be opened and closed. Lock opening means which locks, opens, or closes the front door 1 is provided on the inner side of the housing 6, and the lock opening means is composed of a handle device operating a pair of rods 15 by operation of a handle 13 and rod receiving parts 14 each of which fixes the door by engaging with a tip of each rod 15.
Patent JP-2012145343-A (JP)
Title: Gas circulation system temperature variable constant temperature furnace device for temperature reference
Inventor: SHIMIZU YUKIKO
IPC: G01J5/02
Filed: 2011-01-07
Abstract: PROBLEM TO BE SOLVED: To provide a gas circulation system temperature variable constant temperature furnace device for temperature reference, that can realize temperature evenness of a hollow and cover a wide temperature range by a single furnace.SOLUTION: A gas circulation system temperature variable constant temperature furnace device for temperature reference includes: a hollow 1 installed inside a furnace; a fan 3 for heat medium circulation for maintaining temperature of the hollow even and constant; a heater 2 for heating a heat medium; and a temperature gauge 5 for controlling temperature of the furnace. A transparent window 6 is preferably provided along the hollow on a furnace wall so that temperature distribution in the hollow can be measured through the transparent window 6 by a non-contact type temperature gauge such as radiation thermometer.
Patent JP-2011188474-A (JP)
Title: Communicating apparatus and equipment logging method
Inventor: DIONIS FRANCOIS
IPC: H04Q9/00
Filed: 2011-01-13
Abstract: <P>PROBLEM TO BE SOLVED: To set an item of equipment to a requested position and to supervise holding of the item of the equipment at that position for a period suited to a long industrial cycle.  <P>SOLUTION: The present invention relates to a communication lockout device of an item of equipment, including locking means (101) capable of maintaining the equipment (1) in a fixed position; a communication module (110) capable of transmitting data relating to the device; and a local power supply module (120), adapted to supply power to at least the communication module. The power supply module includes a charge monitoring unit (123), arranged for measuring the charge level of the local power supply module. The present invention also relates to a network for the supervision of a plurality of items of equipment, by using such a communicating device, as well as, to a corresponding supervision method.  <P>COPYRIGHT: (C)2011,JPO&INPIT
Patent JP-2012151754-A (JP)
Title: Information processing apparatus, information processing method, and program
Inventor: KONNO RYUICHI
IPC: H04N13/04
Filed: 2011-01-20
Abstract: PROBLEM TO BE SOLVED: To provide an information processing apparatus capable of reducing a processing load and maintaining a resolution in a horizontal direction.SOLUTION: The information processing apparatus displaying a video signal where stereoscopic vision is possible comprises: generation means which generates a progressive video signal by performing interlace/progressive conversion to an interlace video signal; and parallax generation means which generates a parallax for every other line to a plurality of lines which constitute each portion (field) of the progressive video signal generated by the generation means.
Patent JP-2012156242-A (JP)
Title: Manufacturing method of tape carrier for semiconductor device
Inventor: TABATA TADANOBU
IPC: H01L21/60
Filed: 2011-01-25
Abstract: PROBLEM TO BE SOLVED: To provide a manufacturing method of a tape carrier for a semiconductor device which prevents the generation of foreign objects due to an adhesive and the adherence of the foreign objects to a copper foil layer, thereby improving the yield.SOLUTION: A manufacturing method of a tape carrier for a semiconductor device 1 includes: a process in which a backing layer 6 is bonded to a surface of an insulation film 2, which is opposite to a surface where a copper foil layer 3 is formed on the insulation film 2, through an adhesion layer 4; and a process in which holes for transportation are formed along a longitudinal direction of the insulation film. In the manufacturing method, the adhesion layer has a non-formation region where the adhesion layer is not formed in a region spaced a predetermined distance away from a side surface of the exposed insulation film that is exposed to an etchant.
Patent JP-2012152401-A (JP)
Title: Game system, game device and game program
Inventor: FUJIMOTO NORIYOSHI
IPC: A63F13/69
Filed: 2011-01-26
Abstract: PROBLEM TO BE SOLVED: To provide a game device and a game system capable of acquiring a benefit such as an item which can be primarily acquired by a communication play when a game device not having a game program downloads a part of the game program from a game device having the game program and mutually performs the communication play.SOLUTION: The communication play is performed between a master machine 1a and a slave machine 1b as shown in Fig.(a). The slave machine 1b can obtain an item 40 according to the result of the communication play, and the item 40 is deposited at the master machine 1a as shown in Fig.(b). After the communication play ends, if a cartridge 16 is mounted to the slave machine 1b, and the master machine 1a and the slave machine 1b perform communication as shown in Fig.(c), the item 40 that has been deposited at the master machine 1a is delivered to the slave machine 1b.
Patent JP-2011139486-A (JP)
Title: Digital broadcast receiver and control method
Inventor: TAKENOUCHI ATSUSHI
IPC: H04B1/18
Filed: 2011-01-27
Abstract: <P>PROBLEM TO BE SOLVED: To input RF signals of an antenna to a tuner after the RF signals of the antenna are amplified by an LNA in a one-segment broad receiver, and to save on the power of the LNA while suppressing the overshoot of the output level of the LNA, causing a processing error just after the changeover of the LNA from a stop state to an operating state without generating any trouble of the output from a one-segment broadcast although a power supply from a control terminal is interrupted and the stop state is brought in the strong-field region of broadcast waves such as in the vicinity of a television tower in the low-noise amplifier (the LNA).  <P>SOLUTION: In a digital broadcast receiver, a controller 17 inputs a signal related to a C/N value together with an AGC data value from the tuner 16. The controller 17 changes over a control signal to a regulator 22 and changes over the LNA 12 to the operating state when the LNA 12 is brought to the stop state when the AGC data value>B and the C/N value≤C hold good.  <P>COPYRIGHT: (C)2011,JPO&INPIT
Patent JP-2012159988-A (JP)
Title: Node
Inventor: ISHIBASHI SHOJIRO
IPC: G06F9/54
Filed: 2011-01-31
Abstract: PROBLEM TO BE SOLVED: To make it easy to change a system configuration and make it possible to have high redundancy, in a computer system configured by connecting a plurality of nodes.SOLUTION: A node 10 having a CPU configures a computer system. In the node 10, one or more processes 31 and 41 having a prescribed function are executed. The node 10 comprises shared memory 51 storing system information which includes process information about each process 31 executed in each node 10, in the state of being accessible from each process 31 of own node 10. In the node 10, the system information including the process information about the each process 31 of the own node 10 is multicasted to another node 10. A shared memory control process 41 of the node 10 receives the system information multicasted by the other node 10 and stores it in the shared memory 51.
Patent JP-2012160227-A (JP)
Title: Optical recording medium
Inventor: OISHI KENJI
IPC: G11B7/24047
Filed: 2011-01-31
Abstract: PROBLEM TO BE SOLVED: To provide an optical recording medium in which surface reflection is prevented and manufacture is easy.SOLUTION: An optical recording medium 11 includes a base material 1 that includes: a signal surface 6 on which an information pit 2 recording information reproduced by recording and reproduction light is formed; and a read-out surface 7 on a side opposed to the signal surface 6 and on which the recording and reproduction light enters. On the read-out surface 7, a plurality of antireflection structures 3 for reducing reflection of the recording and reproduction light are formed at a pitch smaller than a wavelength of the recording and reproduction light. Each of the antireflection structures 3 has a concave shape depressed at the read-out surface 7, and a length of a longest line segment among line segments connecting two arbitrary points of edge portions on the read-out surface 7 is longer than a length of a longest line segment among line segments connecting two arbitrary points of edges of a bottom surface.
Patent JP-2012159253-A (JP)
Title: Heating system
Inventor: KATAYAMA KAORU
IPC: F24H1/00
Filed: 2011-02-02
Abstract: PROBLEM TO BE SOLVED: To solve the problem that it is necessary to prepare a heat pump type heat source device having optimal heating capability according to the magnitude of a load to be heated, resulting in an increase of models, and causing insufficient manufacture and distribution.SOLUTION: In the heating system, a load and water-refrigerant heat exchangers in a refrigerant cycle of a plural number of heat pump type heat source devices are connected in series by water piping, each heat pump type heat source device includes an operation control means which controls the operation/stop of the refrigerating cycle by comparing the inlet side water temperature of the water-refrigerant heat exchanger and a stop temperature, and a heating amount control means which controls the heating amount by the refrigerant cycle by comparing the outlet side water temperature of the water-refrigerant heat exchanger and a target temperature, wherein the target temperature of the upstream side heat pump type heat source device is set to be the stop temperature or more of the refrigerant cycle of the downstream side heat pump type heat source device.
Patent JP-2012157612-A (JP)
Title: Game machine
Inventor: SONODA YASUO
IPC: A63F7/02
Filed: 2011-02-02
Abstract: PROBLEM TO BE SOLVED: To provide a game machine allowing a player to sufficiently secure a preparation time of an information terminal, and allowing the player to take preread information in the information terminal with plenty of time.SOLUTION: When a game controller decides that a result state of a special symbol variable display game is a preread target state, a two-dimensional code DC is displayed on a variable display device 23 to output the preread information for giving notice of the result state to the information terminal portably carried by the player, and the variable display device 23 notifies execution of the output of the display preread information before an execution start of the special symbol variable display game beforehand notified with the result state by the preread information.
Patent JP-2011233504-A (JP)
Title: Fuel cell
Inventor: FUKUI KAORU
IPC: H01M8/10
Filed: 2011-02-03
Abstract: PROBLEM TO BE SOLVED: To prevent liquid junction by condensed water as far as possible with a simple structure.SOLUTION: In a fuel cell 10, a first metal separator 16 and a second metal separator 18 are laminated in a horizontal direction to an electrode surface as a vertical surface, with interposing an electrolyte membrane and an electrode structure 14. An oxidant gas flow passage 26 extending in a gravity direction, an oxidant gas inlet communication hole 20a, and an oxidant gas outlet communication hole 20b are formed on a surface 16a of the first metal separator 16. A plurality of outlet connecting passages 28b communicating with the oxidant gas flow passage 26 and an oxidant gas outlet communication hole 20b are formed in a horizontal direction. In the outlet connecting passages 28b, a center in a displacement direction of the outlet connecting passages 28b is projecting to the side of the oxidant gas outlet communication hole 20b compared to both ends in a displacement direction.
Patent JP-2012162004-A (JP)
Title: Exposure device, and image forming apparatus
Inventor: TATEISHI AKIRA
IPC: G02B5/18
Filed: 2011-02-07
Abstract: PROBLEM TO BE SOLVED: To provide an exposure device which attenuates light passing through the outsides of hologram elements and arriving at a face to be exposed with a rugged structure, and can reduce unnecessary exposure, and an image forming apparatus provided with the exposure device.SOLUTION: The exposure device includes: a substrate arranged in such a manner that a plurality of light emitting elements are lined up; a recording layer which is arranged on the substrate, and in which a plurality of hologram elements corresponding to each of the plurality of light emitting elements are recorded in a multiplex way; and an optical path regulating layer which is arranged between the plurality of light emitting elements and the face to be exposed, has a rugged structure at the surface on the light incidence side or light emitting side in the layer, and regulates the optical path of the light passing through the layer. The rugged structure changes the progressing direction of the light passing through the structure and attenuates the light passing through the outsides of the corresponding hologram elements and arriving at the face to be exposed.
Patent JP-2012164257-A (JP)
Title: Incorporation of recording medium in automated wireless simultaneous broadcast starter
Inventor: MURAKAMI TAICHI
IPC: G08B27/00
Filed: 2011-02-09
Abstract: PROBLEM TO BE SOLVED: To incorporate a recording medium of a setting content in an automated wireless simultaneous broadcast starter, in a body of thereof, the so-called automated wireless simultaneous broadcast starter starting whole of wireless simultaneous broadcasting facilities in a nationwide instant warning system (J-ALERT) with conveying a telegraphic message from Fire and Disaster Management Agency/Meteorological Agency via satellite receiving facilities, to simplify maintenance and to reduce malfunction due to an erroneous operation and external impact related to the automated wireless simultaneous broadcast starter.SOLUTION: As for a CF card, or a medium for recording setting information, the automated wireless simultaneous broadcast device incorporates the medium in the body.
Patent JP-2011130490-A (JP)
Title: Paging signal transmission method, mobile station, and radio base station
Inventor: IWAMURA MIKIO
IPC: H04W68/00
Filed: 2011-02-10
Abstract: <P>PROBLEM TO BE SOLVED: To allow a flexible change in the timing for transmitting a paging signal for each group.  <P>SOLUTION: A paging signal transmission method includes step of: reporting an intermittent reception interval indicating an interval at which intermittent reception of a paging signal PCH is performed for a mobile station by a radio base station, and a total number of groups; deciding a timing that the mobile station receives the paging signal according to the reported intermittent reception interval and the total number of groups; at the mobile station, receiving the paging signal transmitted from the radio base station at the decided timing; and performing an arrival process if the paging signal received by the mobile station is addressed to itself.  <P>COPYRIGHT: (C)2011,JPO&INPIT
Patent JP-2011137015-A (JP)
Title: Method and composition for reducing the incidence of necrotizing enterocolitis
Inventor: CARLSON SUSAN E
IPC: A61P1/04
Filed: 2011-02-10
Abstract: <P>PROBLEM TO BE SOLVED: To provide methods and compositions for reducing the incidence of necrotizing enterocolitis.  <P>SOLUTION: An enteral container and such enteral compositions including long-chain polyunsaturated fatty acids (PUFAs), for example, arachidonic acid (AA) and docosahexaenoic acid (DHA) essentially free of cholesterol can reduce the incidence of necrotizing enterocolitis by administering compositions which provide n-6 and n-3 long-chain PUFAs, phospholipids and/or choline. Compositions from egg yolk lipids are presently preferred as they contain n-6 and n-3 long-chain PUFAs and are predominantly in a phosphtidylcholine form. This is believed to provide a synergistic effect. The process of producing such a composition that improves organoleptic and imparts stability properties is also disclosed.  <P>COPYRIGHT: (C)2011,JPO&INPIT
Patent JP-2012167473-A (JP)
Title: Reinforcement structure and reinforcement method of columnar structure
Inventor: IWAMOTO YASUSHI
IPC: E01D22/00
Filed: 2011-02-14
Abstract: PROBLEM TO BE SOLVED: To provide a reinforcement structure and a reinforcement method of a columnar structure.SOLUTION: A steel cylindrical body 3 is press-fitted to soil 4 in the state of being separated from a column body part in a columnar structure 1, and is installed to a concrete foundation 5 in the columnar structure 1. A water cutoff layer 10 is provided on the concrete foundation 5 inside a space from which sediment is discharged between a column body part 2 and the steel cylindrical body 3 on the outer side, and the lower end inner side of the steel cylindrical body 3 is cut off. A plurality of vertical holes 16 for an anchor are provided at intervals in a circumferential direction of the column body part 2 over the water cutoff layer 10 and the concrete foundation 5, a lower end side of a rod-like steel material 19 is inserted and disposed respectively in the vertical holes 16 for the anchor and fixed by an adhesive 18 filled inside the vertical holes 16 for the anchor, and a cement-based filler 21 is filled in the space so as to bury the rod-like steel material 19.
Patent JP-2012166233-A (JP)
Title: Method for straightening
Inventor: UCHIDA KAZUHIRO
IPC: B21D3/02
Filed: 2011-02-14
Abstract: PROBLEM TO BE SOLVED: To provide a method for straightening, by which the wear of a roll is suppressed, a setup changing time is shortened to improve the purifying efficiency when straightening the steel stock such as tubes and bars.SOLUTION: The method of straightening the bends of the steel stock is obtained by using a cemented carbide straightening roll in which the roll material is a tungsten carbide-cobalt (WC-Co)-based sintered object (superhard alloy). In the method of straightening, the hardness of the cemented carbide straightening roll is HRA 85-87. The straightening method is especially effective when the materials to be straightened are high strength materials such as a steel tube for automobile air bags.