baber/WOPTO huggingface dataset:
Patent JP-2006178114-A (JP)
Title: Device and method for image display
Inventor: UMEDA NOBUYUKI
IPC: G09G3/20
Filed: 2004-12-21
Abstract: <P>PROBLEM TO BE SOLVED: To provide an image display device and an image display method in which an image is more simply and more surely displayed even though the image is made by analog image signals of an unknown display mode.  <P>SOLUTION: An image display device 1, which is provided with an image display program 168 so that a CPU15 image-displays on digital display signals at a display section 17, is provided with a synchronization parameter information detecting circuit 121 which detects synchronization information and an input section 18 which sets the number of effective pixels of the analog image signals, or an effective pixel number obtaining program 167 which sets the number of effective pixels of the analog image signals in the CPU15 and a dot clock generating circuit 13 which generates a dot clock to digitally convert the analog display signals by an A/D converting section 11 based on setting display mode information that includes synchronization parameter information and the number of effective pixels.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2006184308-A (JP)
Title: Optical microscope and microscopic observation method
Inventor: UCHIUMI SHINYA
IPC: G02B21/06
Filed: 2004-12-24
Abstract: <P>PROBLEM TO BE SOLVED: To provide an optical microscopic device capable of realizing miniaturization, and a microscopic observation method utilizing the optical microscopic device.  <P>SOLUTION: The optical microscopic device 1 is equipped with an object-to-be-inspected placing table 3 on which an object 5 to be inspected is placed, an illumination means 7 outputting illuminating light with which the object 5 to be inspected is irradiated, a reflection means 15 provided on the same side as the illumination means 7 with respect to the object-to-be inspected placing table 3 and reflecting the illuminating light output from the illumination means 7 toward the object 5 to be inspected and also making the light reflected from the object 5 to be inspected pass through, and an objective 17 provided between the reflection means 15 and the object-to-be-inspected placing table 3. The object 5 to be inspected is irradiated with the illuminating light output from the illumination means 7 and reflected by the reflection means 15 after it passes through the objective 17, and the light reflected from the object to be inspected is made incident on the objective 17 after it is converged at one point 19 in space between the objective 17 and the object 5 to be inspected.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2006016590-A (JP)
Title: Gasoline
Inventor: AKIMOTO YASUSHI
IPC: C10L1/06
Filed: 2004-12-27
Abstract: <P>PROBLEM TO BE SOLVED: To provide a gasoline reduced in the emission of toxic components due to exhaust gas, capable of further improving driving performances including automobile acceleration, and also capable of securing high driving performances even in case gasoline base materials become heavier by removing benzene fractions in the gasoline over a wide boiling point range.  <P>SOLUTION: The gasoline has a research octane number of 85 or greater but less than 96, a sulfur content of ≤10 mass ppm, an aromatics content of ≤45 vol.%, an olefin content of 10-35 vol.%, a benzene content of ≤1 vol. and a 7C isoparaffin content of ≥3.0 vol.%.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2005210110-A (JP)
Title: Material for forming low dielectric constant insulating film, and its forming method
Inventor: NAKAGAWA HIDEO
IPC: H01L21/768
Filed: 2004-12-27
Abstract: <P>PROBLEM TO BE SOLVED: To improve the mechanical strength of a low-dielectric constant insulation film composed of a porous film.  <P>SOLUTION: A porous structure 5 having a plurality of randomly distributed continuous pores is mechanically fractured to obtain many particulates 6. The particulates 6 include bonds of silicon atoms with oxygen atoms and has pores and is used for a material for forming a low-dielectric constant insulation film.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2006184072-A (JP)
Title: Method for evaluating immunomodulatory function of test substance
Inventor: KISHI JUNKO
IPC: G01N33/15
Filed: 2004-12-27
Abstract: <P>PROBLEM TO BE SOLVED: To provide a simple and highly reliable test substance immunomodulatory function evaluating method that uses physiological active substances suitable for measurement, more specifically, physiological active substances which can be collected from a culture supernatant, when peripheral blood mononuclear cells (PBMC) and a test substance are cultured in vitro, shows a high correlation with the cellular cytotoxicity of PBMC, and is less likely to show variations due to PBMC to be used.  <P>SOLUTION: In the test substance immunomodulatory function evaluating method, the test substance is cultured with peripheral blood mononuclear cells, and granulysin in a culture supernatant is detected.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2006181050-A (JP)
Title: Pinball game machine
Inventor: MORI KEIJI
IPC: A63F7/02
Filed: 2004-12-27
Abstract: <P>PROBLEM TO BE SOLVED: To provide a pinball game machine in which the positional control of a plurality of turnable member such as doors can be done and the arrangement of a driving source is space saving.  <P>SOLUTION: The pinball game machine has a first door section 211, a second door section 212, and a third door section 213 capable of turning between a first position changing the flowing path of game balls projecting into a game area around a shaft member 249 as a turning center and a second position allowing the game balls to flow down retracting from the game area around an shaft section as a turning center, the third door section is pivotably supported between the first door section and the second door section, the first door section and the second door section are coupled by a coupling means (the shaft member 249) and interlocks each other, the third door section can freely move relative to the first door section and the second door section, the first door section and the second door section are turned and driven by the same first driving source, and the third door section is turned and driven by a second driving source other than the first driving source.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2006066370-A (JP)
Title: Negative electrode for nonaqueous electrolyte secondary battery, its manufacturing method and nonaqueous electrolyte secondary battery
Inventor: MIYAMOTO YUKIHIRO
IPC: H01M4/134
Filed: 2004-12-27
Abstract: <P>PROBLEM TO BE SOLVED: To provide a nonaqueous electrolyte secondary battery having a high initial efficiency and an excellent cycle property.  <P>SOLUTION: A negative electrode for the secondary battery consists of a current collector and an active material thin film continuously film-formed from the collector and composed of elements of the 14th group of the periodic table storing/releasing lithium, wherein the thin film includes an element X (element X is an alkaline earth element and one or more kinds of the elements selected from a group consisting of the 14th group of the periodic table). A manufacturing method of the negative electrode for vapor-deposition film-forming the thin film onto the collector.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2006185542-A (JP)
Title: Multivalued information recording and reproducing method and device
Inventor: SUMIOKA JUN
IPC: G11B7/005
Filed: 2004-12-28
Abstract: <P>PROBLEM TO BE SOLVED: To provide a multivalued information recording and reproducing method and a device which can reduce bit errors in binary data as much as possible even if detection errors are found in multivalued data.  <P>SOLUTION: The multivalued data having information bits converted from binary data and expressed in n bits (integer n≥2) are multivalued following a rule to change 1 bit when comparing the binary data of n bits corresponding to k-th and (k-1)-th level Mk, Mk-1 among levels of n-th power of 2 (n-th power of 2≤k≤2). Further, when reproducing the multivalued data on an optical disk, they are detected after applying waveform equalization to the reproduced signals.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2006183442-A (JP)
Title: Underground water circulating system buried type snow melting apparatus using surface layer underground aquifer
Inventor: YAMAUCHI KUNIHIRO
IPC: E01H5/10
Filed: 2004-12-27
Abstract: <P>PROBLEM TO BE SOLVED: To provide an underground water circulating system buried type snow melting apparatus using natural energy, capable of inexpensively arranging an extremely effective construction method as a snow removing countermeasure.  <P>SOLUTION: This snow melting tank 1 is arranged by vertically superposing concrete rainwater basins 2 and 3. A pit 4 for storing underground water is arranged in its basins, and an underground water pumping-up submerged pump 6 and an underground water circulating submerged pump 5 are arranged in the pit. Underground water is pumped up from the pumping-up pump 6, and the underground water is put in the pit. When the underground water in the pit becomes full, thrown snow is melted by the pumped-up underground water by a water sprinkling shower 12 by the circulating pump. The snow melted by the shower permeates in the pit from an upper cover 8 of the pit, and is mixed with the underground water. The water overflowing from the pit by snow melting, falls in an underground water intake pipe 10, and returns to an underground aquifer. Since snow melting water and the underground water are always put in a water intake pipe 11 for pumping up the underground water, a stable water quantity can be secured even by the underground water of a surface layer.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2005525756-A (JP)
Title: ビームを使用したスロット化された符号分割多元接続システムにおけるユーザへのリソース割振り
IPC: H04B1/707
Filed: 2003-05-13
Abstract: 本発明は、ＣＤＭＡ通信システムにおけるスロット割振りのためのいくつかの実施形態を含む。一部の実施形態は固定型ビーム（１〜Ｍ）に関し、第１に最高の受信品質を有し、そのビームから最良のスロットが選択されるビームを検出することによって、スロット（ＴＳ１〜ＴＳＮ）を割り当てること、いくつかのビーム（１〜Ｍ）で最良のスロットを決定し全体で最高のビーム／スロットの組み合わせを決定すること、および、修正済みの干渉係数を使用することを含む。適応型アレイ（３４）を使用するアップリンクに関する一実施形態は、空間分析段階を使用し、その後伝送パワーレベル推定段階を使用する。各スロット（ＴＳ１〜ＴＳＮ）に関連付けられた全体の干渉レベルが決定され、最高の全体品質を有するスロットが決定される。ダウンリンクに関する他の実施形態は、アップリンクの空間分析およびスロット割当てをダウンリンク用に使用する。ダウンリンクに関する他の実施形態は、空間および伝送パワーレベル推定段階を使用する。適応型アレイ（３４）の場合、各ユーザに関する経路損失が推定されるか否か、および各ユーザからの信号が受信されるか否かで、スロット割当てを決定することができる。
Patent JP-2005526976-A (JP)
Title: フォトピックディテクターシステムおよびそのためのフィルター
IPC: G01J1/00
Filed: 2003-05-21
Abstract: ディテクターシステム、そのためのフィルター、およびその作製方法を開示する。フィルターは、主として近赤外に置かれた反射帯域と、可視領域のほとんどにわたり高い透過率と、を有する干渉素子を備える。フィルターはまた、可視領域にわたり非一様に光を吸収する吸収素子を備える。フィルターは、半導体フォトダイオードまたは他の好適なディテクターと組み合わせたときに、分光応答度がヒトの眼の視覚応答とよく一致するディテクターシステムを生成する。
Patent JP-2005530104-A (JP)
Title: 流体収容円筒体を取り付ける方法及び装置
IPC: B60P3/055
Filed: 2003-06-13
Abstract: 【課題】 【解決手段】  流体収容円筒体１０４を円筒体のネック部分１０６にて固定する構造体は、穴１１８が配置された取り付けフレーム１０２と、穴の中心軸線に対し直交状態に配置されたスロットとを有する。円筒体のネック部は、穴を貫通し、ｕボルト１１０はスロットを貫通し、円筒体のネック部の肩部に対し心合わせし、これにより円筒体をブロック内に固定する。その他の実施の形態において、固定構造体は、円筒体の回転を防止し、又は固定構造体に対する円筒体の特定程度の整合誤差を許容するカラー２２０を有している。
Patent JP-2005531630-A (JP)
Title: 腹膜透析液
IPC: A61P7/08
Filed: 2003-05-23
Abstract: ブドウ糖に代わる浸透圧物質としてタウリン類を含有させることにより、安定性に優れた中性腹膜透析液を提供することであり、具体的には、電解質、アルカリ化剤を含有し、かつタウリン類を含有することからなる腹膜透析液であり、特にタウリン類を０．０１〜５ｗ／ｖ％含有する腹膜透析液である。この腹膜透析液は、生体適合性が良好で、糖尿病患者においても血糖コントロールがし易く、腹膜の劣化も伴わない、安定な一室製剤の中性腹膜透析液として提供できる。
Patent JP-2005532596-A (JP)
IPC: G02B26/10
Filed: 2003-07-08
Abstract: An optical microscope is described for observation of a specimen (10) capable of diffusing or emitting a beam of light, which includes a main optical system for formation of a real or virtual image of an area of observation of the specimen (10), comprising a main optical path from an objective (20) towards a real image plane or, respectively, towards a direction of observation of a virtual image, along which are interposed one or more movable beam diverting mirrors (28) operable to direct the image of a selected area of the observation plane of the specimen (10) towards the said real image plane or the said observation direction. The microscope includes an additional optical system (30) interposed along the optical path, operable to modulate the position of the area of observation of the specimen (10) along the optical axis, the image of which is formed or observed at focus. In its preferred embodiment this system (30) includes an optical beam divider (40) operable to divert the beam from the main optical path towards a supplementary branch of the path, and a catadioptric system (44, 46) of variable configuration operable to modulate the length of the supplementary path; the divider (40) also being arranged for reintroduction of the modulated beam into the main path.
Patent JP-2005533608-A (JP)
IPC: A61N1/365
Filed: 2003-07-24
Abstract: A cardiac rhythm and function management device configured to automatically adjust stimulation parameters used in delivering cardiac resynchronization therapy. Mechanical contraction intervals are measured using appropriately placed accelerometers and compared with optimum values. The stimulation parameters can then be adjusted accordingly in a manner that moves the mechanical contraction intervals toward their optimum values.
Patent JP-2006503610-A (JP)
IPC: B44C1/10
Filed: 2003-08-22
Abstract: The invention concerns a method for hair decoration which consists in applying on the hair one or several ribbons comprising a support in the form of a thin plastic film with its surface coated with a decorative element in the form of a deposition of material having a colour different from that of the hair, said decorative element being itself coated with an adhesive layer capable of being activated by a suitable means. The heating clip (1) seizes a hair lock (3) and a ribbon (2) and, under the effect of the pressure and the duration of the application, transfers onto the hair the decoration provided on the ribbon. Further, an additional form of execution is represented wherein the user uses a marking set comprising a hair clip (5) with a device for fixing the ribbon (2), the heating clip (1) and the ribbon itself.
Patent JP-2005538631-A (JP)
Title: 無線通信装置
IPC: G06F3/048
Filed: 2003-09-12
Abstract: 論理エンティティを表す複数のソフトウェアオブジェクトを組立て、表されるエンティティに関連するデータを受信するように各オブジェクトに問合わせ、ディスプレイデータセットを生成するために翻訳エンティティとプレゼンテーションエンティティを受信されたデータに提供し、ユーザインターフェースを表示装置腕で表示させることができるレンダリング装置へディスプレイデータセットを送信することにより、ユーザインターフェースが組立てられる移動体通信端末である。
Patent JP-2006503633-A (JP)
Title: 封止された医療用電極パッケージの開放を容易にする方法及び装置
IPC: A61B19/02
Filed: 2003-10-13
Abstract: 自動体外式除細動器用の１つ又はそれ以上の電極を保管するための装置はキャビティ(21)と蓋(11)とを有する。キャビティ(21)は電極を収容し、垂直面を含む。蓋はキャビティに取り外し可能に取り付けられ、蓋がキャビティに取り付けられたときに、少なくとも１つの突起部が頂部側端面に形成された孔に延出する。ハンドル(13)がカム面(34)を有する蓋に回転可能に取り付けられ、カム面はリッジ(33)と係合することによって、ハンドルが回転されるときに、蓋(11)とキャビティ(21)との間を分離する。封止(41)が底部に固着され、頂部側端面に取り外し可能に固着される。同時に、ハンドルが回転されるにつれて、封止が頂部側端面から剥離される。
Patent JP-2006504935-A (JP)
IPC: G04B19/24
Filed: 2003-10-23
Abstract: The mechanism has 24 hours wheel (10) driven by a movement at a rate of rotation of a day and pierced from a premier blank. A date indicator driving wheel (16) moving freely in rotation on the wheel (10) has a pin (18) in a blank and tooth (20) to co-operate with an indicator (24) to move the indicator step by step each day towards mid night. Sea saw springs (26, 32) are provided to co-operate with the pin.
Patent JP-2006503673-A (JP)
Title: 一対の整形外科用ロッドを相互接続するための交差コネクタアッセンブリ
IPC: A61B17/70
Filed: 2003-10-28
Abstract: 【解決手段】  本発明は、脊椎の欠陥部を治療する際に脊椎固定システムで使用するための相互接続アッセンブリ１０、１１０、１７４、２４６、３００、３１０、３３０、３６０に関する。相互接続アッセンブリは、各種ロッド接続部材１２、１４、９４、９８、１２０、１７６、１７８、１９６、２１６、２４８、２５０、２７５、２８０、３０２、３１２、３１４、２７５、３３４、３３６と、ロッド接続部材を互いに可変の向きと長さで固定するための相互接続要素１６、１４０、１８０、２００、３３２を含んでいる。相互接続アッセンブリは、低い外郭を呈しながら、脊柱、骨突起、並びに脊椎の関係する神経、筋肉、靭帯などの構成部との干渉を最小限にするように調整することができる。相互接続要素及び関連の構成要素は、移植前又は移植中に不用意に分解することのないように、完全に組み立てられたユニットとして提供することができる。
Patent JP-2006506620-A (JP)
Title: 積み重ね式電気泳動スラブゲルのための着色装置
IPC: G01N1/31
Filed: 2003-11-06
Abstract: トレイ支持体（３１）と、トレイ支持体（３１）を受け入れるタンクであって該タンク（５１）内でのトレイ支持体（３１）の前後移動を可能にする十分な余地を備えたタンク（５１）と、クランクピン（６５）の円経路をトレイ支持体（３１）の直線移動に変換する往復動式接続でもってトレイ支持体（３１）に接続されるクランクピン（６５）を備えたモータ（６２）とを有する装置によって、トレイ（１２）上に保持したスラブゲルを溶液中で揺り動かす。
Patent JP-2006516046-A (JP)
Title: 溶融物加熱方法および装置
IPC: C03B5/44
Filed: 2003-11-27
Abstract: 溶融物（２２）の少なくとも１つの領域において、導電加熱時に高温に達することができるように、本発明は、冷却壁を有する溶融容器（３）で溶融物（２２）を加熱するための方法および装置であって、溶融物（２２）を導電加熱し、それぞれ溶融容器（３）の壁（１４、１６）の一部に取って代わる少なくとも２つの冷却電極（５、５０１、５０２）の間に電流を流す方法および装置を提供する。
Patent JP-2006511041-A (JP)
IPC: C23C2/02
Filed: 2003-12-17
Abstract: Electric wires are described consisting of a metallic wire able to conduct the electric current, the outer surface of which is coated in an alloy consisting of specific metals in set quantities.
Patent JP-2006513247-A (JP)
IPC: A61K38/095
Filed: 2003-12-24
Abstract: A new and improved method for extending the half life of pharmaceutical compounds for use in diagnostic imaging or therapy uses a novel linker to attach a diagnostic or therapeutic moiety to a targeting peptide or another diagnostic or therapeutic moiety. The resulting compound may have the general formula M-N—O—P-Q, wherein M is the diagnostic or therapeutic moiety, N—O—P is the linker of the present invention, and Q is the targeting peptide. In another embodiment the compounds may have the formula M-N—O—P-M, wherein M is independently a diagnostic or therapeutic moiety and N—O—P is the linker of the invention. Methods for imaging or treating a patient using the compounds of the invention are also provided. Methods and kits for preparing a diagnostic imaging agent from the compound are further provided. Methods for radiotherapy of a patient using the compounds are further provided, as are methods for preparing a radiotherapeutic agent from the compounds.
Patent JP-2006503903-A (JP)
IPC: A61K31/69
Filed: 2003-09-09
Abstract: A pharmaceutical formulation adapted for oral administration, whether directly or after combining with a liquid, and comprising 
a) a first species selected from (a) boronic acids of formula (I), (b) boronate anions thereof, and (c) any equilibrium form of the aforegoing (e.g. an anhydride); and 
(b) a second species selected from the group consisting of pharmaceutically acceptable metal ions.  Formula (I) comprises specified peptidyl boronic acids having anti-thrombotic activity and the formulations are useful for the treatment of thrombosis. An exemplary boronic acid is Cbz-(R)-Phe-(S)-Pro-(R)-Mpg-B(OH) 2 .
Patent JP-2005199710-A (JP)
Title: Drop generating apparatus
Inventor: BROOKFIELD JOHN M
IPC: B41J2/14
Filed: 2005-01-06
Abstract: <P>PROBLEM TO BE SOLVED: To provide a new method of a drop-on-demand type ink-jet device.  <P>SOLUTION: An array of longitudinal finger manifolds (for example, 161) is provided. A plurality of drop generators 30 are so provided that each of the finger manifolds is fluidically coupled to one of the finger manifolds. A respective vent structure 80 fluidically coupled to each of the finger manifolds is provided. By virtue of the vent structure 80, pressure perturbations in such finger manifolds are damped.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2006194949-A (JP)
Title: Imaging apparatus
Inventor: ABE ICHIHIRO
IPC: G03B7/16
Filed: 2005-01-11
Abstract: <P>PROBLEM TO BE SOLVED: To provide an imaging apparatus in which exposure can easily and automatically be adjusted to an appropriate exposure level even where a stroboscopic device using xenon lamp or the like is used by using an auxiliary light source using a general LED or the like for photographing with a camera in a dark place though there are problems that when photographing is carried out in a dark place or a back light environment by an imaging apparatus, a stroboscopic device using a xenon lamp or the like can automatically adjust exposure to an appropriate exposure level by the addition of a component such as a auto-focusing sensor or pre-emission of light before the main emission of light, which requires a space for such an additional component as the auto-focusing sensor.  <P>SOLUTION: The imaging apparatus includes: a light source for constantly emitting light to a subject; a light source for emitting flash light to a subject; a means by which the light source for constantly emitting light is controlled in a photographic mode; and a means by which the light source for emitting flash light is controlled in the photographic mode. The imaging apparatus further includes a means by which a pickup image when the light source is turned on and a pickup image when the light source is turned off are obtained using a means for storing the value of the relative illuminance ratio between the light source for emitting light and the light source for emitting flash light and also using a means for controlling the light source for constantly emitting light, and by which setting conditions for the imaging apparatus when the light source for emitting flash light is turned on are calculated and set using the stored value of the relative illuminance ratio.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2006194311-A (JP)
Title: Automatic speed change control device
Inventor: KAMOI RYOJI
IPC: F16H59/72
Filed: 2005-01-12
Abstract: <P>PROBLEM TO BE SOLVED: To provide an automatic speed change control device improving response of control and convergency by automatically correcting variation of properties of hydraulic control means.  <P>SOLUTION: In the automatic speed change control device performing desired gear shift by controlling hydraulic pressure based on speed and throttle opening of an engine 1, a control circuit 11 calculating control quantity for controlling a primary pulley 3 via a primary valve 8 and a secondary pulley 4 via a secondary valve 9, and a hydraulic pressure sensor 12 detecting control hydraulic pressure are provided, feed back control by PID control according to difference between target pressure of a control circuit 11 and actual pressure by the hydraulic pressure sensor 12, control amount is automatically corrected by changing at least integration gain term when the target pressure becomes a predetermined value.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2006193466-A (JP)
Title: Insecticidal aerosol agent comprising chrysanthemum cinerariaefolium essence and phenol antioxidant
Inventor: WATANABE KEISUKE
IPC: A01N25/22
Filed: 2005-01-13
Abstract: <P>PROBLEM TO BE SOLVED: To provide an aerosol agent exhibiting sufficient insecticidal activities in the aspect of efficacy without using materials which might incur the risk of exerting influences on the human body and environments even though the amount of effective ingredients used is reduced for the purpose of using a naturally occurring insecticidal components as effective ingredients and furthermore decreasing the amount thereof used.  <P>SOLUTION: The insecticidal aerosol comprises a naturally occurring Chrysanthemum cinerariaefolium essence and a certain kind of phenol antioxidant.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2006193964-A (JP)
Title: Ladder and its manufacturing method
Inventor: KINOSHITA YOSHIHIKO
IPC: E06C7/08
Filed: 2005-01-13
Abstract: <P>PROBLEM TO BE SOLVED: To connect a support and a tread foot stop by an installation at a low cost regarding a mounting and a manufacturing method for the tread foot stop for a ladder.  <P>SOLUTION: The ladder has the support 11, to which a stepped hole 23 elongated in the direction crossed with a length is formed, the tread foot stop 12, in which an end section is inserted into the stepped hole 23, and a connecting ring 32 fitted at the end section of the tread horizontal-muntin 12. A radial bulged pushing section 51 pushed to the peripheral surface of the stepped hole 23 through the end section of the tread foot stop 12 is formed to at least a part of the whole periphery of the connecting ring 32.  <P>COPYRIGHT: (C)2006,JPO&NCIPI