baber/WOPTO huggingface dataset:
Patent JP-2010531411-A (JP)
Title: アイドルストップ機能を有する車両のエンジン制御方法
IPC: F02D43/00
Filed: 2008-02-14
Abstract: 本発明は、アイドルストップ機能を有する車両を、アイドルストップ後、出発時にエンジン出力を適切に制御することにより、変速機を円滑で迅速に中立状態から運転状態に転換できるようにすることにより、変速衝撃を防止し、車両の出発遅延現象を排除することができる。
Patent JP-2010532704-A (JP)
Title: 生産品加温装置
IPC: A47J39/02
Filed: 2008-07-09
Abstract: 生産品の加温装置は、底面を有する少なくとも１個の生産品の保持容器を備える。筐体は、前記保持容器を受けるための少なくとも１個の開口部を有する。熱放射板は、電気ヒータ要素と熱的に連結されると共に、該電気ヒータ要素から熱を受けるよう形成されている。前記熱放射板は、上面が前記保持容器と隣接し、前記上面が間隙を設けることにより前記容器の底面から離間している。温度自動調節コントローラは、前記熱放射板と熱的に連結され、前記熱放射板への熱の流れを制御する。 【選択図】図１
Patent JP-2010534067-A (JP)
Title: 酵素混合物を含む、動物向けの耐熱性配合物
IPC: A23K1/16
Filed: 2008-06-20
Abstract: 本発明は、顆粒粉末状の動物向け耐熱性配合物に関する。ａ）少なくとも２種類の酵素を含む液体状混合液、ｂ）コムギ粉、デンプン、石こう、マルトデキストリン、コーンコブから選択される支持材、ｃ）セルロース及びその誘導体、キチン、カラギーナン、アルギン酸ナトリウム、植物性ゴム、発酵によって得られるゴム、デンプン及びその誘導体から選択されるコーティング剤を含む。 【選択図】図１
Patent JP-2010536255-A (JP)
Title: 通信ネットワークにおいてページングを最適化するための方法および装置
IPC: H04W68/06
Filed: 2008-08-04
Abstract: 通信ネットワークにおけるページングプロセスを最適化する方法および対応するエンティティ。方法は、現在の優先レベルに関連するグループ内の少なくとも１つのアクセスポイントにページング信号を送出すること（４０８）、および、ページ応答が、現在の優先レベルに関連するグループ内の少なくとも１つのアクセスポイントから受信されるか否かを判定すること（４１０）からなる。方法は、グループ内の各アクセスポイントにおいて観測される移動性に基づいて、現在の優先レベルに関連するグループを更新すること（４１２）を含む。方法は、さらに、優先レベルのリスト内の次の優先レベルを現在の優先レベルとして割当てること（４１４）、および、ページ応答が受信されるまで、上記ステップを繰返すことを含む。
Patent JP-2010535590-A (JP)
Title: ２流体小出し装置
IPC: B65D83/00
Filed: 2008-08-06
Abstract: 流体を格納し及び小出しにする、２流体カートリッジ（２０，１５０）である。開示された２流体カートリッジ（２０）においては、携帯式のアプリケータ（４２）が使用され、等しくない比率にて、２成分の最終生成物（例えば、接着剤）を、小出しにして混合する。２流体カートリッジ（１５０）は、シリンジとして構成される。そのような２成分の最終生成物を小出しに出来る能力は、歯科の分野において特に役立つ。
Patent JP-2010538761-A (JP)
Title: 重力流れを防ぐ流路セット
IPC: A61M5/168
Filed: 2008-09-15
Abstract: 【課題】 【解決手段】注入流体を搬送する流路セットは、可撓性チューブを含む。可撓性チューブは、第１端と第２端と、可撓性チューブが真っ直ぐにされたとき、第１端と第２端との間に規定される長さを有する。可撓性チューブは、可撓性チューブの長手方向に沿って延びる長軸を有する。可撓性チューブは、可撓性チューブの長軸に略直交して延びる横部形成体を形成する。流路セットは更に、可撓性チューブの横部形成体を維持するクリップ機構を含み、可撓性チューブの一端部に含まれる流体が、可撓性チューブの長手方向を通って流れ、重力流れの手段によって可撓性チューブの他端部に含まれる密度の低い流体と置換することが出来ない。 【選択図】図３
Patent JP-2011500587-A (JP)
Title: マイコバクテリウム・アビウム亜種パラツベルクローシスに対する免疫応答を誘発するための組成物
IPC: A61K39/39
Filed: 2008-10-09
Abstract: マイコバクテリウム・アビウム亜種パラツベルクローシス（Mycobacterium avium subspecies paratuberculosis）（ＭＡＰ）に対する免疫応答を刺激するための組成物及び方法が提供される。本発明の組成物は、そのＮ末端からＣ末端に、ＭＡＰタンパク質Ｍａｐ３５２７のＣ末端フラグメント、Ｍａｐ１５１９タンパク質のアミノ酸配列、その後にＭａｐ３５２７タンパク質のＮ末端部分を含有する組換えタンパク質を含む。本発明の方法は、本発明の組成物を、ＭＡＰ細菌に対する免疫学的応答を刺激するために効果的な量で動物に投与することを含む。本発明の方法は、ＭＡＰ感染に罹りやすい任意の動物に対して有益であり、しかし、反芻動物については特に有益である。
Patent JP-2011501787-A (JP)
Title: 多層に織られた布地ディスプレイ
IPC: D03D15/02
Filed: 2008-10-13
Abstract: 本発明は、フォトニック及び電子アプリケーションのための織物に関し、特に、織物に接続される電子コンポーネント、例えば発光ダイオードを駆動するため、電気伝導糸から形成される多層織物に関する。発光ダイオードは、可撓性及び折り畳み可能なディスプレイを実現するために、配列の形態で配置され得る。本発明による織物において、電気伝導経糸１１１が絶縁緯糸１４１によって、部分的にカバーされるように、絶縁緯糸は多層経糸１０５に織り合わされ、これによって、織物の電気伝導糸の間の短絡を防ぐ。特に、本発明による織物の構造は、サテン／綿繻子織り構造であり得る。
Patent JP-2011514723-A (JP)
Title: 不連続受信に関連したアップリンクタイミング同期のためのシステムおよび方法
IPC: H04W52/02
Filed: 2009-01-30
Abstract: 無線通信システムにおけるＤＲＸ操作中にアップリンクタイミング同期を提供するシステムおよび方法を開示する。本発明のユーザ機器におけるアップリンクタイミング参照信号伝送の方法は、周期的な活動時間を有するように、ユーザ機器の中の受信機を制御することと、活動時間にないときに、アップリンクタイミング参照信号伝送を伝送することを控えることとを含む。また、本発明のアップリンク同期を最適化する方法は、周期的な活動時間を有するように、ユーザ機器の中の受信機を制御することと、活動時間にないときに、チャネル品質指標（ＣＱＩ）伝送を伝送することを控えることとを含む。
Patent JP-2011513417-A (JP)
Title: アデノシンＡ２ａ受容体アンタゴニストとして使用するための１，２，４−トリアゾロ［４，３−ｃ］ピリミジン−３−オンおよびピラゾロ［４，３−ｅ］−１，２，４−トリアゾロ［４，３−ｃ］ピリミジン−３−オン化合物
IPC: A61P25/16
Filed: 2009-03-03
Abstract: Ｒ １ およびＲ ２ が、これらが結合する炭素原子と一緒になって、式（ＩＩ）のさらなる複素芳香族環を必要に応じて形成する式Ｉの化合物、ならびにその薬学的に受容可能な塩、溶媒和物、エステル、およびプロドラッグは、アデノシンＡ２ａ受容体アンタゴニストであり、そして、したがって中枢神経系の疾患、特にパーキンソン病の処置において有用である。本発明のさらに別の局面は、中枢神経系の疾患（例えば、うつ）、認知障害および神経変性疾患（例えば、パーキンソン病、老人性痴呆または器質性の精神病）および脳卒中を処置する方法である。
Patent JP-2011513651-A (JP)
Title: 中間位置に油圧ロックを有する可変カムシャフトタイミング装置
IPC: F01L1/34
Filed: 2009-03-10
Abstract: 第１の位置から第２の位置に移動可能なロータ組立体のパイロット弁と、ロータ組立体が中間の位相角位置に又はその近くにあるときに制限及び／又は遮断されるアドバンスチャンバ又はリタードチャンバと連通する戻り抑制ラインとを含む内燃機関用の可変カムタイミング位相器。パイロット弁が第１の位置にあるとき、パイロット弁を通した流体の流れが遮断される。パイロット弁が第２の位置にあるとき、流体は、ロータ組立体がハウジング組立体に対し中間の位相角位置に移動されかつそこに保持されるように、パイロット弁及び共通のラインを通してアドバンスチャンバからの戻り抑制ラインと、リタードチャンバからの戻り抑制ラインとの間に流れることが可能である。
Patent JP-2011083289-A (JP)
Title: Mutant luciferase
Inventor: SQUIRRELL DAVID JAMES
IPC: C12N1/21
Filed: 2011-01-05
Abstract: <P>PROBLEM TO BE SOLVED: To provide a recombinant protein, wherein the luciferase enzyme can emit light having different wavelength compared with a corresponding wild-type luciferase and/or improved in thermal stability compared with the corresponding wild-type luciferase.  <P>SOLUTION: There is provided a recombinant protein having at least 60% similarity to a wild-type luciferase, wherein in the sequence of the enzyme, the amino acid residue corresponding to residue 357 in Photinus pyralis luciferase is mutated as compared to the corresponding wild-type luciferase. Mutant luciferases can produce a large wavelength shift (50 nm) in emitted light and have excellent thermostability. As a result, the color shift can be reversed by addition of coenzyme A. These properties make the mutant particularly useful in a variety of assays.  <P>COPYRIGHT: (C)2011,JPO&INPIT
Patent JP-2012144759-A (JP)
Title: Conductive member
Inventor: KAYAMOTO TAKASHI
IPC: H01B5/00
Filed: 2011-01-07
Abstract: PROBLEM TO BE SOLVED: To provide a conductive member by which a plurality of conductive materials can be joined inexpensively regardless of sheet thickness and which has excellent electrical conductivity.SOLUTION: A conductive member 1 to be disposed as a power supply line and the like is provided with: a first conductive material 11 and a second conductive material 12, at least one of which is composed of a conductive material having electrical resistance lower than that of aluminum; and a metal film 13, which is formed by accelerating, with a gas, a powdery material containing a metal to an abutting portion where the first conductive material 11 and the second conductive material 12 abut on each other, spraying the material in a solid-phase state, without changing the state, to the surface of the abutting portion, and depositing the material.
Patent JP-2012084832-A (JP)
Title: Circuit board and electronic device using the same
Inventor: YOSHIDA SADAKATSU
IPC: H01L23/12
Filed: 2011-01-15
Abstract: PROBLEM TO BE SOLVED: To improve reliability relevant to implement of an electronic component while increasing a specified current in an electronic device.SOLUTION: A circuit board 10 comprises an insulation substrate 1, a brazing material layer 2 provided on a top face of the insulation substrate 1, a metal plate 3 bonded with the top face of the insulation substrate 1 by the brazing material layer 2, on which an electronic component 20 is implemented, and a frame body 5 bonded with a side face of the metal plate 3 by a bonding material 6. The frame body 5 surrounds the metal plate 3 when viewed from above and has a thermal expansion coefficient smaller than that of the metal plate 3. An electronic device comprises the circuit board 10 having the above-described configuration and the electronic component 20 implemented on the metal plate 3 of the circuit board 10.
Patent JP-2012148422-A (JP)
Title: Forgery preventing medium and method of determining presence or absence of falsification
Inventor: AONO KOTA
IPC: G02B5/30
Filed: 2011-01-17
Abstract: PROBLEM TO BE SOLVED: To provide a forgery preventing medium and a method of determining falsification which makes communication impossible until a predetermined operation is carried out, communication possible after the operation is carried out, and a pattern or the like visually recognizable until the operation is carried out becomes visually unrecognizable after the operation.SOLUTION: The forgery preventing medium has an electric wave communication layer which can acquire various pieces of information by a non-contact manner by utilizing the resonance of an electric wave of a specific frequency, a low melting point metal thin film layer prepared facing the electric wave communication layer, and furthermore, a latent image layer prepared on a surface in contact with the low melting point metal thin film layer on an opposite side to a surface which the electric wave communication layer is in contact with. The latent image layer includes a latent image.
Patent JP-2012154152-A (JP)
Title: Multiplication suppression method for green algae
Inventor: KAWACHI YUICHI
IPC: C02F1/00
Filed: 2011-01-28
Abstract: PROBLEM TO BE SOLVED: To prevent multiplication of green algae by preventing water containing nutrient salt from being supplied to an inhabitation possible area of green algae.SOLUTION: Water pumped up from an area 30 where high-density water is present in a water storage area 1 of a dam reservoir or the like is mixed with water flowing through an inflow water channel 40 of the water storage area 1, and is made to flow into the water storage area 1 such that water 50 supplied from the inflow water channel 40 sinks. Also, water pumped up from the area 30 where low-temperature water is present in the water storage area 1 is mixed with the water flowing through the inflow water channel 40 of the water storage area 1. Also, the water 50 supplied from the inflow water channel 40 is made to flow into a position lower than the inhabitation possible area of green algae 20 in the water storage area 1. Further, a fence 100 extending from a water surface of the water storage area 1 to at least the position lower than the inhabitation possible area of the green algae 20 is provided, and the water 50 supplied from the inflow water channel 40 is made to flow into the water storage area 1 from the lower part of the fence 100.
Patent JP-2012159388-A (JP)
Title: Crop quality measuring apparatus
Inventor: TANAKA NOBUAKI
IPC: G01N21/35
Filed: 2011-01-31
Abstract: PROBLEM TO BE SOLVED: To provide a crop quality measuring apparatus that prevents a crop from being still on the upper surface of a light projection part or a light receiving part even when the crop falls from a conveyor part.SOLUTION: A crop quality measuring apparatus 1 comprises: a conveyor belt 31b; a light projection part 44; a light receiving part 46; and a light analysis part 48. The conveyor belt 31b conveys a crop. The light projection part 44 projects light to the crop conveyed by the conveyor belt 31b. The light receiving part 46 receives the transmitted light which is the light projected by the light projection part 44 and passing through the crop. The light analysis part 48 analyzes the transmitted light to measure the quality of the crop. The light projection part 44 is located below the conveyor belt 31b and has an inclined surface 44c, which is an inclined upper surface.
Patent JP-2012159792-A (JP)
Title: Wavelength selective element
Inventor: ITO IZUMI
IPC: G02F1/01
Filed: 2011-02-02
Abstract: PROBLEM TO BE SOLVED: To provide a wavelength selective element capable of adjusting wavelength selective characteristics for every polarization component.SOLUTION: A wavelength selective element 10 is configured by superposing a metal film 14 on a substrate 12 that is defined as a dielectric body having translucency. The metal film 14 includes a plurality of through-holes 14A penetrating in the direction orthogonal to the surface direction of the metal film 14. The through-holes 14A are disposed on a flat surface of the metal film 14 in two directions of the X direction and the Y direction orthogonal to the X direction into a grid shape. The cross-sectional shape of the through-hole 14A in the surface direction of the metal film 14 according to one embodiment is defined as a rectangular shape formed of four sides of two sides extending in the X direction and two sides of extending in the Y direction. The array period in the X direction and the array period in the Y direction of the through-hole 14A provided in the metal film 14 are defined as different array periods.
Patent JP-2012162901-A (JP)
Title: Device for assisting opening and closing of door or the like
Inventor: ISHII SHOICHI
IPC: E05F1/16
Filed: 2011-02-07
Abstract: PROBLEM TO BE SOLVED: To provide a mainspring/gear mechanism of a device for assisting by the mainspring/gear mechanism when opening and closing a slide type door or the like at a lower cost, and to improve durability of a mainspring.SOLUTION: A device for assisting opening and closing of a door or the like includes a first rack 7a to be engaged with a mainspring wind-up gear 11 of a first mainspring/gear mechanism 4 in the initial stage of opening a door or the like and a second rack 7b to be engaged with the mainspring wind-up gear 11 of a second mainspring/gear mechanism 4 in the initial stage of closing a door or the like, winds up the mainspring of the mainspring/gear mechanism 4 by utilizing the mainspring wind-up racks 7a and 7b, and transmits the release force of the mainspring to a traveling rack 6. In the device for assisting opening and closing of a door or the like, by disposing the first and second racks 7a and 7b in a prescribed length near both end sides in the traveling direction of the traveling rack 6 and on both left and right sides in the traveling direction holding the traveling rack 6 therebetween, the first and second mainspring/gear mechanisms 4 are turned to the ones of the same structure, turned back and attached to a door or the like.
Patent JP-2012166525-A (JP)
Title: Head mechanism
Inventor: FUJINAWA YUJIRO
IPC: B26D5/00
Filed: 2011-02-17
Abstract: PROBLEM TO BE SOLVED: To provide, in a head part of a device in which the head part is composed of two head devices, a head mechanism that can form a space when needed around the head devices that are closely arranged mutually while being miniaturized in the width direction.SOLUTION: In the head mechanism of the head part composed of two head devices that are arranged in a carriage that is slidably arranged along a guide rail, at least one head device is rotatably arranged in the carriage, and the head device rotatably arranged in the carriage is detachably arranged in an attaching/detaching mechanism.
Patent JP-2012174434-A (JP)
Title: Method for manufacturing battery
Inventor: KOBAYASHI TAKASHI
IPC: H01M10/0587
Filed: 2011-02-18
Abstract: PROBLEM TO BE SOLVED: To provide a method for manufacturing a battery with improved production efficiency and yield.SOLUTION: The manufacturing method includes steps for forming an active material layer on a collector, and manufacturing a strip electrode having a non-coated part, at which the collector is exposed, at an end parallel to a longitudinal direction; rolling the strip electrode; tension-annealing the rolled strip electrode; and laminating the tension-annealed strip electrode on a counter electrode via a separator, and manufacturing a group of electrodes.
Patent JP-2012172568-A (JP)
Title: Energization control apparatus for glow plug
Inventor: KOKUBO KAZUNARI
IPC: F02P19/02
Filed: 2011-02-21
Abstract: PROBLEM TO BE SOLVED: To provide an energization control apparatus for a glow plug, which can stably operate a function to shut down energization to an energizing FET at on-failure of the energizing FET.SOLUTION: A GCU 31 includes an energizing FET 51 and an FET 41 for protecting reverse connection. The FET 41 for protecting reverse connection is formed with a parasitic diode 411 directed reverse to a parasitic diode formed on the energizing FET and supplying electric current from a power supply device VA to the glow plug 1. The GCU 31 includes a switching part 71 which can perform on/off-switching of the FET 41 for protecting reverse connection and a fuse 81 which cuts off the electric connection between the power supply device VA and the energizing FET 51 by the heating of the FET 41 for protecting reverse connection, caused by supplying electric current to the parasitic diode 411. On detecting an on-failure of the energizing FET 51, the FET 41 for protecting reverse connection is turned off to admit electric current to be supplied to the parasitic diode 411, causing the FET 41 for protecting reverse connection to be heated.
Patent JP-2012172777-A (JP)
Title: Rolling bearing unit for train car
Inventor: YANAGIMOTO HIROTADA
IPC: F16C33/76
Filed: 2011-02-22
Abstract: PROBLEM TO BE SOLVED: To provide a rolling bearing unit for a train car capable of preventing fretting wear on a contact face between a rear cover and an inner ring.SOLUTION: The rolling bearing unit for the train car includes the rear cover 6 provided with two contact parts 6a and 6b coming in contact with an outer circumference of an axle 20 and provided on its inner circumference. A fitting margin of the second contact part 6b having higher radial rigidity with the axle 20 is larger than that of the first contact part 6a with lower radial rigidity with the axle 20.
Patent JP-2012177345-A (JP)
Title: Method for connecting pipe with channel part, and fuel injection valve
Inventor: ABE MOTOYUKI
IPC: F02M55/02
Filed: 2011-02-28
Abstract: PROBLEM TO BE SOLVED: To reduce the deterioration of sealing performance and the stress of a fuel injection valve that are caused by an eccentrically connected fuel pipe in the fuel injection valve used in an internal combustion engine.SOLUTION: The diameter of a supporting part of a backup ring 103 attached to the fuel injection valve is designed so that a gap between the supporting part and the fuel pipe 101 to be connected therewith is reduced to a degree where the fuel pipe 101 should be brought into contact with the fuel injection valve. An angle R is formed at a contact part of the fuel pipe 101 and the fuel injection valve so that the fuel injection valve may not be influenced by the bending moment from an attachment part with the fuel pipe 101.
Patent JP-2012180153-A (JP)
Title: Sheet conveying device and image forming device
Inventor: SHIMAO SATOSHI
IPC: B65H15/00
Filed: 2011-02-28
Abstract: PROBLEM TO BE SOLVED: To provide a compact device having a same-edge reversal mechanism for receiving a sheet from its front end, turning it over, and outputting it from the same front end which has been received first.SOLUTION: This device includes: the same-edge reversal mechanism 21 which comprises a reversal conveyance path 24 provided with a paper conveying structure having a U-shaped cross section in a direction substantially perpendicular to a predetermined paper conveyance direction, and a paper conveyance path for conveying the paper in the horizontal direction to turn over the paper; and a paper feed tray 1c arranged in a space area formed by the paper conveying structure having the U-shaped cross section of the same-edge reversal mechanism 21, to store the paper. The space are formed by the sheet conveying structure having the U-shaped cross section can be effectively used as an area for storing the paper. Thus, an image forming device 100 with the same-edge reversal mechanism 21 mounted thereon can be made compact without enlarging it.
Patent JP-2012182227-A (JP)
Title: Packing member
Inventor: FUJITA SATORU
IPC: F16J15/10
Filed: 2011-02-28
Abstract: PROBLEM TO BE SOLVED: To provide a packing member which secures waterproof effect and intercepts electromagnetic waves.SOLUTION: A packing member comprises a first member 11 and a second member 12, which covers at least a part of a surface of the first member 11. The first member 11 is formed of a material having a greater elastic deformation amount than the second member 12. The second member 12 is formed of a composite material containing a conductive material, and is electrically connected to a surface of a substrate 20, on which the first member 11 is provided.
Patent JP-2012180427-A (JP)
Title: Rubber composition, crosslinked rubber composition, and tire
Inventor: HORIKAWA YASUO
IPC: C08L53/00
Filed: 2011-02-28
Abstract: PROBLEM TO BE SOLVED: To provide a rubber composition which is used for manufacturing a rubber excellent in roll processability and crack growth resistance, and contains an alternating copolymer of a conjugated diene compound and a non-conjugated olefin, and a taper copolymer of the conjugated diene compound and the non-conjugated olefin; and to provide a crosslinked rubber composition obtained by crosslinking the rubber composition, and a tire using the rubber composition or the crosslinked rubber composition.SOLUTION: The rubber composition contains the alternating copolymer of the conjugated diene compound and the non-conjugated olefin, and a taper copolymer having at least one block moiety of a block moiety composed of a monomer unit of the conjugated diene compound and a block moiety composed of a monomer unit of the non-conjugated olefin, and a random moiety in which the monomer units of the conjugated diene compound and the non-conjugated olefin are randomly arranged, wherein the mass ratio of the alternating copolymer and the taper copolymer is preferably in the range of 80/20 to 3/97.
Patent JP-2012179166-A (JP)
Title: Two-dimensional image display device and game machine
Inventor: TATEYAMA TADAHIDE
IPC: G09G5/36
Filed: 2011-02-28
Abstract: PROBLEM TO BE SOLVED: To enable first and second two-dimensional images to be visually recognized on first and second image-forming surfaces, respectively in the air having different senses of distance for human eyes.SOLUTION: A half mirror 304 reflects first image light on a reflection surface 352 to form reflection image light, and transmits second image light to a front side of the reflection surface 352 to form transmission image light for overlapping the transmission image light on the reflection image light. An image transmission panel 306 forms the first and second two-dimensional images on first and second image-forming surfaces 371-1, 371-2 having mutually different spaces positioned at a side opposite to the half mirror 304 of a microlens array 361 and enables the reflection image light and the transmission image light to enter human eyes, thus enabling the first and second two-dimensional images to be visually recognized on the first and second image-forming surfaces 371-1, 371-2 in the air having different senses of distance to the human eyes and hence enhancing a performance effect.
Patent JP-2012182399-A (JP)
Title: Component mounter
Inventor: IWAKI NORIAKI
IPC: H01L21/52
Filed: 2011-03-03
Abstract: PROBLEM TO BE SOLVED: To improve productivity of a component mounter in which a process of removing and picking up dies from a dicing sheet, and a process of mounting the dies on a circuit board are performed by one component mounter.SOLUTION: On a base pedestal 11 of a component mounter, a conveyor 13 transporting a circuit board 12 in a direction X, a wafer pallet set table 15 for setting a wafer pallet exchangeably, a die transfer stage 32 capable of loading a plurality of dies removed from a dicing sheet of the wafer pallet, and two X-Y robots 22, 23 are provided. Work heads 28, 29 are attached to the two X-Y robots 22, 23, respectively, and operations of picking up the die on the dicing sheet of the wafer pallet and loading the die on the die transfer stage 32 are repeatedly performed with the one work head 28, and the die on the die transfer stage 32 is picked up and mounted on the circuit board 12 with the other work head 29.