baber/WOPTO huggingface dataset:
Patent JP-2004537067-A (JP)
Title: 光ファイバを分岐する方法
IPC: G02B6/00
Filed: 2002-06-26
Abstract: 複数の光ファイバリボンの個々の光ファイバ(32)を交差接続又は再編成する方法は、接着剤が設けられた基板(64)であって、その境界内に混合ゾーン(66)を有する基板を用意する段階を含む。複数の個々の光ファイバを基板上にルーティングして、複数の光ファイバ入力リボン(14)を形成し、混合ゾーンにおいてファイバを再編成し、そして複数の光ファイバ出力リボン(20)を形成する。出力リボンの少なくとも幾つかは、入力リボンの２つ以上からのファイバを有する。混合ゾーンの外側において基板上で入力及び出力リボンを被覆して、ルーティングされたファイバをリボン形態で保持すると共に、混合ゾーンにあるファイバの少なくとも一部分を未被覆状態に残す。混合ゾーンからの未被覆のファイバが緩んだ状態で上記被覆されたリボンを基板から剥離する。入力リボンと出力リボンとの間で少なくとも未被覆の緩んだファイバに対して保持器具を配置する。
Patent JP-2004537833-A (JP)
Title: 電極組成物
IPC: H01L27/32
Filed: 2002-07-24
Abstract: 次からなる表示装置；アノード、カソード、及びアノードとカソードの間に位置する有機冷光放射性材料の領域、ここで、有機冷光放射性材料は青色発光体であり、カソードは第１層並びに第１層と有機冷光放射性材料の間に位置する第２層を有し、第１層はアルミニウムからなり、第２層はフッ化ナトリウム及びフッ化カリウムの少なくとも１つからなる。 【選択図】図２
Patent JP-2005526527-A (JP)
IPC: A62C3/16
Filed: 2002-08-06
Abstract: A fire-resistant system for filling in a wall a remaining space in an opening through which at least one cable (3), tube or the like extends, wherein the system comprises a number of fire-resistant sleeve members (9) which can be provided in the opening so that the sleeve members (9) extend in the same direction as the at least one cable (3), tube or the like, and which are each made of a fire-resistant rubber, characterized in that the fire-resistant sleeve members (9) are bonded together into one unit of sleeve members (9).
Patent JP-2005502341-A (JP)
Title: Ｂ１ブラジキニン受容体タンパク質を調節するための動物モデルとしてのトランスジェニックげっ歯類
IPC: C12N15/09
Filed: 2002-08-19
Abstract: ゲノムに霊長類Ｂ １ ブラジキニン受容体導入遺伝子を組込んだトランスジェニックラットを作製する。前記トランスジェニックラットでＢ １ ブラジキニン受容体遺伝子を発現させると、前記受容体の霊長類形態（例えば、ヒト形態）に対して選択的であるが前記受容体のラット形態に対しては選択的でない化合物が結合する。よって、トランスジェニック系統内の発現導入遺伝子は野生型霊長類Ｂ １ ブラジキニン受容体のアンタゴニスト及びアンゴニスト選択性を模倣する。前記トランスジェニック動物は、ヒトまたは近縁種由来のＢ １ ブラジキニン受容体のモジュレーターに対する特異的受容体占有率モデルとして有用であり、前記Ｂ １ ブラジキニンモジュレーターの薬力学的特性を評価するための動物モデルシステムを提供する。
Patent JP-2005501109-A (JP)
IPC: A61P27/02
Filed: 2002-07-01
Abstract: Negatively charged phospholipids, as well as compositions including negatively charged phospholipids and possibly carotenoids and/or antioxidants, for treating the eye are disclosed. In a preferred embodiment, a composition comprising at least one negatively charged phospholipid except cardiolipin is used to treat age-related macular degeneration. Methods for producing the negatively charged phospholipids, as well as methods for producing the compositions including negatively charged phospholipids and possibly carotenoids and/or antioxidants for treating age-related macular degeneration, are also disclosed.
Patent JP-2005502716-A (JP)
Title: アントラニルアミド節足動物殺滅剤処理
IPC: A01N25/14
Filed: 2002-09-10
Abstract: 本発明は、繁殖体または繁殖体の部位を、生物学的有効量の式Ｉの化合物、そのＮ−オキシドまたはその農業的に適した塩と接触させることを含む、繁殖体または当該繁殖体から成長する植物を無脊椎有害生物から保護するための方法に関するものである。 【化１】     式中、ＡおよびＢおよびＲ １ 〜Ｒ ８ は本願開示内容にて定義したとおりである。また、本発明は、式Ｉの化合物で処理した繁殖体ならびに、繁殖体コーティング用の式Ｉの化合物を含む組成物にも関する。
Patent JP-2005504361-A (JP)
Title: 非線形光学装置
IPC: G02F1/35
Filed: 2002-10-02
Abstract: 少なくとも２つの非線形光学層からなる積層内の隣接する非線形光学層が、１つのガラス層によって接合されて、パラボリック発振器、周波数二倍器、又は複屈折位相整合装置といった装置を形成する。層とガラスの屈折率は、好ましくは３０％以内に整合される。ガリウム砒素、セレン化亜鉛、ニオブ酸リチウム、及びＺｎＧｅＰ 2 といった赤外線又は熱に感応する非線形材料において、ガラスは、Ｇｅ、Ａｓ、Ｓｅ、及びＴｅを含む低融点カルコゲナイトガラスであるのが好ましい。非線形層は、例えば条線付き結晶又は周期的に偏光された結晶のような格子を含む。
Patent JP-2005508182-A (JP)
Title: プリノレセプターｐ２ｘ３のアンチセンス調節
IPC: A61P13/10
Filed: 2002-11-08
Abstract: 本発明は、P2X 3 の発現を調節するのに有用なアンチセンスオリゴヌクレオチド、組成物及び方法に関する。この組成物はアンチセンスオリゴヌクレオチド、特にP2X 3 をコードする核酸に標的指向するアンチセンスオリゴヌクレオチドを含む。
Patent JP-2005509025-A (JP)
IPC: A61P9/00
Filed: 2002-10-23
Abstract: A method of preparation of a highly pure salt of R,R-formoterol L-tartrate is disclosed. The process provides the most thermodynamically stable polymorph by recrystallization of a novel polymorph.
Patent JP-2005510765-A (JP)
Title: 改良された偽造防止保護手段を有するラベル
IPC: G09F3/02
Filed: 2001-11-26
Abstract: 本発明は、少なくとも１つのラッカーコーティングを含んでなる改良された偽造防止保護手段を有するラベルに関する。これはラッカーコーティングを印刷された支持フィルムに塗布し、次いでこれを硬化させることにより製造される。
Patent JP-2005522246-A (JP)
Title: リバースイオントフォレーシスによって血中尿素濃度を測定する方法
IPC: A61B5/00
Filed: 2003-04-08
Abstract: 【解決手段】  ヒトの血中尿素濃度をリバースイオントフォレーシスによって測定し決定する方法であって、次の各段階：アノード電極を皮膚上に配置すること、溶液とカソード電極とを含む容器を皮膚上に配置すること、電流をアノード電極とカソード電極とに流して両電極間に電気回路を構成しこれによって尿素分子を血液から容器へと移行せしめること、を含む方法。
Patent JP-2006508525-A (JP)
IPC: H01L35/24
Filed: 2003-03-27
Abstract: The present invention provides a molecular device including a source region and a drain region, a molecular medium extending there between, and an electrically insulating layer between the source region, the drain region and the molecular medium. The molecular medium in the molecular device of present invention is a thin film having alternating monolayers of a metal-metal bonded complex monolayer and an organic monolayer.
Patent JP-2006507220-A (JP)
Title: ムスカリン性アンタゴニスト
IPC: A61P25/00
Filed: 2003-04-24
Abstract: 本明細書に記載される発明は、式Ｉ： 【化１】     に記載される化合物、式Ｉの少なくとも１つの化合物を含む薬学的組成物、それらの調製方法、および式Ｉの少なくとも１つの化合物または少なくとも１つのアセチルコリンエステラーゼインヒビターに関連した式Ｉの少なくとも１つの化合物を用いて疾患を処置する方法であり、ここで、Ｒ １ 、Ｒ ２ 、Ｒ ３ 、Ｒ ４ 、Ｒ ５ 、Ｒ ６ 、Ｒ ７ 、Ｒ ８ 、Ｒ ９ 、ｎ、Ｘ、およびＺは、本明細書中で定義した通りである。
Patent JP-2005194391-A (JP)
Title: Admixture for putty or bond
Inventor: HAYAKAWA KAZUHISA
IPC: C09D175/08
Filed: 2004-01-07
Abstract: <P>PROBLEM TO BE SOLVED: To provide an admixture for putty or bond, providing little shear droop while keeping excellent water fluidity, enabling painting from thick painting to thin painting to be freely carried out, having excellent adhesiveness to ground, and hardly causing reduction of the thickness accompanied by drying and hardening.  <P>SOLUTION: The admixture for the putty and the bond contains a polyalkylene polyol derivative having a repeating unit U-1 represented by formula (1) and a repeating unit U-2 represented by formula (2) and having a molar ratio (U-1/U-2) of the U-1 to the U-2 of (0.5/0.5) to (0.99/0.01), and a water-soluble cellulose ether. [In the formulas, A is a divalent polyoxyalkylene residue derived from a water-soluble polyalkylene polyol having hydroxy groups at least at both terminals, having 400-100,000 number average molecular weight, and represented by HO-A-OH; B is a divalent organic residue derived from a 3-18C polyisocyanate represented by OCN-B-NCO; and D is a divalent organic group derived from a dihydroxy compound selected from compounds represented by formulas (3) to (5)].  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005197113-A (JP)
Title: Heating unit
Inventor: UESHIMA YUKIO
IPC: H05B3/00
Filed: 2004-01-08
Abstract: <P>PROBLEM TO BE SOLVED: To provide a heating unit heating even a large area of heat treatment surface in high uniformity with an excellent maintenance property.  <P>SOLUTION: The heating unit is provided with: nearly U-shaped incandescent lamps each equipped with a sealing tube part connected to each end of an arc tube part and extended in a direction vertical to the arc tube with a power-feeding terminal fitted to each end; a reflecting structural body having a through-hole formed for the sealing tube part of the incandescent lamp to be inserted into; and a power-feeding plate arranged at a side opposite to one face of the reflecting structural body where the arc tube part of the lamp is provided for feeding power through the power-feeding terminal. A lamp-fixing member for fixing the incandescent lamp in a state in which its sealing part is inserted into the through hole of the reflecting structural body to the power-feeding plate through the power-feeding terminal is positioned so as to face the through-hole.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005194428-A (JP)
Title: Isocyanate composition, microcapsule and method for producing the same and recording material thereof
Inventor: YUMOTO MASATOSHI
IPC: B41M5/28
Filed: 2004-01-08
Abstract: <P>PROBLEM TO BE SOLVED: To provide an isocyanate composition and a microcapsule that is useful as a wall material for microcapsule wherein the microcapsules made of the wall material shows excellent properties, for example, high thermal sensitivity, high color consistency and retain good raw storability for a long period of time, provide a heat-sensitive recording material that is prepared by using the microcapsules and has high sensitivity, color reproducibility and raw storability and further provide a method for producing the useful microcapsules.  <P>SOLUTION: The isocyanate composition is produced by reaction between a compound (A) that is previously prepared by allowing polymerizable monomers including at least a monomer bearing mesogene group to radically polymerize in the presence of a chain transfer agent bearing an active hydrogen and a polyfunctional isocyanate (B) bearing two or more isocyanate groups, and microcapsules using the isocyanate composition. The isocyanate composition includes the monomer bearing a mesogene group represented by general formula (I).  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005196076-A (JP)
Title: Method and device for removing developer remaining in developing unit in wet image forming apparatus
Inventor: UEDA HIROYUKI
IPC: G03G15/10
Filed: 2004-01-09
Abstract: <P>PROBLEM TO BE SOLVED: To provide a device for removing a developer remaining in a developing unit for a wet image forming apparatus capable of preventing operator's hand or a housing chamber for housing a developer supply unit from being stained in detaching the developing unit or the developer supply unit from a main body frame.  <P>SOLUTION: A liquid developing device 54 is divisionally constituted of the developing unit 81 and the developer supply unit 82. A developing roller 72 and a coating roller 73 are provided on a mount frame 83 constituting the developing unit 81. A draw-up roller 74 and stirring screws 77a and 77b are housed in a developer storing container 71 constituting the supply unit 82. The developer 70 stored in the container 71 is transferred to a photoreceptor drum 51 by the respective rollers. When the developer 70 in the supply unit 82 is depleted and the exchange time thereof comes, the rotation of the roller 74 is stopped and only the rollers 72 and 73 are rotated so that the developer remaining on their surfaces is transferred to the drum 51 so as to be removed.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004134411-A (JP)
Title: Printed circuit board connection structure
Inventor: OKURA KENJI
IPC: H01R12/51
Filed: 2004-01-13
Abstract: <P>PROBLEM TO BE SOLVED: To provide a printed board connection structure capable of reducing the cost while reducing the number of assembling man-hour.  <P>SOLUTION: As for the printed board connection structure connecting two printed boards 1, 2 facing each other, a connector 4 is arranged on the printed board 1 at one side, and a pattern surface 5 is arranged on the printed board 2 at the other side. A contact terminal 3 contacting with the pattern surface 5 in a manner of wiping is arranged to the connector 4. The contact terminal 3 is made to elastically contact with the pattern surface 5.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2005203946-A (JP)
Title: Loudspeaker
Inventor: INOUE EIJI
IPC: H04R9/02
Filed: 2004-01-14
Abstract: <P>PROBLEM TO BE SOLVED: To provide a loudspeaker having a simple configuration, capable of reducing propagation of vibration to a frame part or the like, and revising a low resonance frequency f<SB>0</SB>and a sound pressure level, by adjusting the stiffness of the diaphragm part of the loudspeaker.  <P>SOLUTION: In the speaker 10 provided with the diaphragm part 30, the one end of which is supported by a frame 40 and the other end of which is deposited to a magnetic gap G of a magnetic circuit section 20, the bobbin 33 of the diaphragm part 30 is supported via a viscous fluid 50, filled in the gap of a support part 21c provided to the magnetic circuit section 20.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005198833-A (JP)
Title: Universal design kitchen knife
Inventor: TAKABE ATSUSHI
IPC: B26B3/00
Filed: 2004-01-15
Abstract: <P>PROBLEM TO BE SOLVED: To provide a kitchen knife which is easy to use and safe for general people including elderly and handicapped people by making the shape of its handle easy to use for stably applying force to its blade and making the angle of the edge of the blade obtuse in the kitchen knife used mainly in average families.  <P>SOLUTION: In order to impart the grip handle of the kitchen knife a shape fitting to the hand, the shape of the grip parts of the thumb and index finger is made so that part from the second joint of the index finger to the vicinity of the root of the index finger may fit to the lateral side of the grip handle. Around the grip, a guard part, a recess part and a grip handle abdominal part are provided, and a back part is provided with a swell, a little finger rest part is formed near the little finger, and a pattern for slippage prevention is formed on both side faces. By forming the tip angle of the blade to be 30° to 55°, occurrence of a blade chip is reduced and safety is improved.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005200805-A (JP)
Title: Coated whiteboard paper
Inventor: TOKUNAGA HITOSHI
IPC: D21H19/42
Filed: 2004-01-19
Abstract: <P>PROBLEM TO BE SOLVED: To provide coated whiteboard paper prepared by coating two or more layers giving high gloss in a press coat which is performed by coating a water-based coating agent, press processing the same and forming an over coated layer.  <P>SOLUTION: In the coated whiteboard paper prepared by coating a coating solution containing a pigment and a binder as main ingredients in two or more layers, the coating solution containing cubic precipitated calcium carbonate and/or columnar precipitated calcium carbonate and 5-60 wt.% kaolin based on the total pigment and having ≤0.8 μm median size measured by laser particle distribution measurement as the pigment is coated on the outermost layer.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004223252-A (JP)
Title: Retracting needle shielding device
Inventor: BRESSLER PETER
IPC: A61M5/32
Filed: 2004-01-20
Abstract: <P>PROBLEM TO BE SOLVED: To provide a needle device which can be used for a blood collection device or another injection or infusion systems, can be easily manufactured and operated, has a simple structure, and can be shielded and is safe.  <P>SOLUTION: This needle device is provided with a hub 30 having a lever 40, and a needle cannula 20 provided with a puncture tip 28 projected from the hub 30. The hub 30 engages with a housing 50, and the housing 50 has a housing body portion 52 provided with a forward opening 60 through which the needle cannula extends and a rearward extension portion 62 provided with a longitudinal slot, and a lever 40 of the hub 30 protrudes from the longitudinal slot and is locked at the forward slot end. The housing 50 is also provided with a tip guard 80 in the inside of the housing body portion 52. The lever 40 is movable in a radius direction to unlock the lever from the forward slot end, and is also movable in an axial direction toward the rearward slot end to thereby cause axial movement of the needle cannula 20 by the movement and to retract the needle cannula 20 into the inside of the housing body portion 52 of the housing 50 to a position where the tip guard 80 protects and covers the puncture tip 28 of the needle cannula 20, thereby safely shielding the needle cannula 20.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004225046-A (JP)
Title: 3,4-alkylene dioxithiophene, use thereof, polythiophene, methods for producing them and uses of them
Inventor: REUTER KNUD
IPC: C07D495/04
Filed: 2004-01-21
Abstract: <P>PROBLEM TO BE SOLVED: To obtain a 3,4-alkylene dioxithiophene and use thereof, to obtain a polythiophenes, to provide methods for producing them, and to provide uses of them.  <P>SOLUTION: The 3,4-alkylene dioxithiophene is, if desired, substituted with a mesogenic group through a crosslinking group B.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2005213793-A (JP)
Title: Shower device
Inventor: SANTO MASATO
IPC: A47K3/28
Filed: 2004-01-28
Abstract: <P>PROBLEM TO BE SOLVED: To provide a shower device for suppressing intermittent dripping from a shower head without losing a use feeling of shower discharge by quickly and surely discharging hot water remaining in a water feed pipe, and preventing a user from bathing in cold remaining water in the shower device fixing and installing the shower head in a bathroom and provided with a remaining water treatment mechanism.  <P>SOLUTION: The shower device comprises the shower head fixed and installed in the bathroom, a hot water mixing device for mixing hot water from a feed water source and a hot water source with the hot water of a desired water discharge temperature and discharging and stopping the hot water by an opening and closing valve, the water feed pipe connecting the shower head and the hot water mixing device, a discharge pipe arranged to be branched from the way of the water feed pipe, and the remaining water treatment mechanism for switching the flow of the hot water in response to the discharge and stoppage of the shower head. The shower device is provided with an air suction means on the way of the water feed pipe from the remaining water treatment mechanism to the shower head.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005216629-A (JP)
Title: Fuel cell
Inventor: OOYABE YOUSUKE
IPC: H01M8/02
Filed: 2004-01-28
Abstract: <P>PROBLEM TO BE SOLVED: To provide a fuel cell in which penetration of fuel and oxidizer is suppressed and a long life of the electrolyte is realized, and which is advantageous to securing both the conductivity of the internal electrode and proton conductivity by making the resistance of the internal electrode low.  <P>SOLUTION: The membrane electrode assembly of the fuel cell comprises an electrolyte formed of proton conductor 4, a fuel electrode 3 provided on one side of the electrolyte, and an oxidizer electrode 1 provided on the other side of the electrolyte. The membrane electrode assembly has at least one internal electrode 2 inside the electrolyte. The internal electrode 2 has as principal components a fiber-shape conductor having conductivity for forming a current collector network, a proton conductor, and a catalyst.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005213924-A (JP)
Title: Joint mounting tool
Inventor: SATOMI MAKOTO
IPC: F16L3/00
Filed: 2004-01-30
Abstract: <P>PROBLEM TO BE SOLVED: To provide a joint mounting tool capable of carrying out easy and accurate positioning of a joint without giving any alteration to the joint itself.  <P>SOLUTION: The joint mounting tool 21 is provided for mounting and fixing onto a supporting wall the joint integrally provided on a mount having a plurality of mounting holes. The joint mounting tool 21 comprises a square base plate 22 formed of a transparent material and a vertically aligning protrusion 25 and a horizontally aligning protrusion 26 provided on the base plate 22 in a cross shape. An intersection 23 between the vertically aligning protrusion 25 and the horizontally aligning protrusion 26 is provided on the base plate 22, as a marker for alignment to a joint mounting center. A plurality of marking holes 24 are also provided in the base plate 22. The plurality of marking holes 24 are eccentric from the intersection 23.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005212374-A (JP)
Title: Ink jet head and its manufacturing method
Inventor: HIBI MANABU
IPC: B41J2/14
Filed: 2004-01-30
Abstract: <P>PROBLEM TO BE SOLVED: To reduce a structural cross talk and to make an actuator unit hard to be damaged.  <P>SOLUTION: An ink jet head 1 includes a passage unit 4 by which individual ink passage is formed in a core so that the ink applied from an ink supply port may be breathed out from a nozzle via a pressure chamber 10, and an actuator unit 21 cemented on the top face of the passage unit 4. The actuator unit 21 is constituted by a lamination of four piezo-electric sheets 41-44. Individual electrodes 35 are arranged in the pressure chamber 10 at opposed positions on the upper surface of the piezo-electric sheet 41. The individual electrodes 35 are connected with an FPC 50 by which a drive signal is applied to the actuator unit 21.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005220558-A (JP)
Title: Handrail bracket
Inventor: MINAMIURA YOICHI
IPC: E04F11/18
Filed: 2004-02-04
Abstract: <P>PROBLEM TO BE SOLVED: To provide a versatile handrail bracket which can be applied to a variety of conditions of a handrail, inclusive of mountability on building material sections of a variety of shapes without changing a bracket main body.  <P>SOLUTION: The handrail bracket is formed of the bracket main body 3, and a spacer 4 arranged between the bracket main body 3 and the building material section 2. The spacer 4 is exchangeable and removable from the bracket main body 3 so that it is selected from a plurality of spacers 4 having different shapes in an abutting portion to the building material section 2, so as to conform to the shape of the building material section 2.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005226515-A (JP)
Title: Engine start control device
Inventor: WATANABE TSUGIO
IPC: F02N11/08
Filed: 2004-02-12
Abstract: <P>PROBLEM TO BE SOLVED: To provide an engine start control device for constantly providing an optimum fuel injection amount, regardless of whether a kick pedal or a starter motor is used for starting an engine.  <P>SOLUTION: In the engine start control device, the kick pedal and a starter motor are disposed as a starting means of the engine, and the fuel injection amount in starting the engine is corrected to become larger than the fuel injection amount for a normal time. The engine start control device has: a start determination means determining which the engine has started by either the kick pedal or starter motor; and a control means controlling an increase correction amount in starting the engine depending on the determination result. The control means reduces the increase correction amount when the engine is started by the kick pedal compared with the increase correction amount when the engine is started by the starter motor.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005226296-A (JP)
Title: Door opening and closing device for vehicle
Inventor: KOBAYASHI MASAKI
IPC: B60J5/04
Filed: 2004-02-12
Abstract: <P>PROBLEM TO BE SOLVED: To provide a door opening and closing device for a vehicle capable of opening and closing a door by switching automatic operation and manual operation and holding the door at arbitrary opening when opening and closing the door manually.  <P>SOLUTION: This door opening and closing device for the vehicle opens and closes the door provided in the vehicle by switching manual operation and automatic operation. This door opening and closing device 1 for the vehicle is provided with a rotary encoder 27 detecting the direction of opening and closing and opening and closing speed of the door 51, a motor 42 for opening and closing the door, a driving force transmission mechanism 43 generating door holding force, a door opening and closing mechanism 44 for opening and closing the door 51, and a control part. The control part rotates the motor 42 for opening and closing the door by assisting it in the direction in which door holding force by the driving force transmission mechanism 43 is reduced in accordance with the direction of opening and closing and opening and closing speed of the door 51 when operating the door manually.  <P>COPYRIGHT: (C)2005,JPO&NCIPI