baber/WOPTO huggingface dataset:
Patent JP-2009521102-A (JP)
Title: 物理的に分離分散した電気接点を有する太陽電池
IPC: H01L31/04
Filed: 2006-12-22
Abstract: 光起電装置は、光起電接合を形成する半導体材料をドープした部分により設けられた前面と背面とを有する半導体光起電型電池構造を有している。複数の分離した電気接点が、半導体材料の部分の各々の前面に埋め込まれている。電気接点は面上の二次元に分散し、互いに分離し、半導体材料の部分の各々と電気的に接触している。背面の電気接点が、半導体材料の他の各部位の背面に、それと電気的に接触して設けられている。太陽電池装置は、上述の装置と、半導体材料の前面と背面の電気接点と接触する電極を含んでいる。
Patent JP-2009521223-A (JP)
Title: 可逆的停止ヌクレオチドを利用する配列決定法および遺伝型解析法
IPC: C12Q1/34
Filed: 2006-12-20
Abstract: 本発明は、２’位において修飾された可逆的ターミネーターヌクレオチドを用いた標的核酸のヌクレオチド配列 を決定する方法を提供する。 【選択図】なし
Patent JP-2009522100-A (JP)
Title: プラチナおよびチタンを含有する電極触媒
IPC: B01J23/89
Filed: 2007-01-05
Abstract: 【課題】  プラチナ、チタン、および追加の金属を含有することを必須とし、燃料電池の用途において５種類までの金属を含有する電極触媒の組成物を提供する。 【解決手段】  この電極触媒の組成物は、プラチナとチタンと第三金属の含有を必須とし、実施形態によっては、さらに、第四金属および第五金属とを適宜含むようにしてもよい。この第三金属として可能なものは、ニッケル、バナジウム、モリブデン、銅、マンガン、鉄、コバルト、ルテニウム、ロジウム、パラジウム、銀、オスミウム、イリジウムおよび金からなる群から選択される少なくとも１つの金属である。追加の第四金属および第五金属はそれぞれ、第三金属とは異なる金属であり、スカンジウム、バナジウム、クロム、マンガン、鉄、ニッケル、銅、亜鉛、イットリウム、ジルコニウム、ニオビウム、モリブデン、カドミウム、スズ、ハフニウム、タンタルおよびレニウムからなる群から選択するようにしてもよい。 【選択図】なし
Patent JP-2009524904-A (JP)
Title: 光源から放出された光の色を選択するための制御デバイス
IPC: H05B44/00
Filed: 2007-01-18
Abstract: 本発明は、光源（２）によって放出された光（Ｌ）の色相（Ｈ）及び彩度（Ｓ）を制御するための制御デバイスに関する。デバイスは、光源で利用可能な色相及び彩度の複数の選択可能な組み合わせ可視表示（１０，１１，１２，１３）を含む表面（２１）を有する本体（２０）を備える。デバイスは、表面上での色相及び彩度の選択に応じて、選択された色相及び彩度を含む少なくとも一つの選択信号を生成するための手段（２６）と、選択された色相及び彩度の組み合わせに関連して光の色相及び彩度を制御するために選択信号を光源に伝達するための手段（２７）とを有する。制御デバイス（１）は、簡単であり、且つユーザにとって直感的である。
Patent JP-2009526995-A (JP)
Title: プロセス変量トランスミッタにおける多相オーバーリーディング補正
IPC: G01F1/74
Filed: 2007-02-14
Abstract: プロセス変量トランスミッタは動作的に多相プロセス流体流源と接続可能である。プロセス変量トランスミッタは、多相流中の温度、参照圧力、及び差圧生成器の両端の差圧に関する情報を得るように構成されている。プロセス変量トランスミッタは、参照圧力、差圧、及び温度に基づいてオーバーリーディングの計算及び／又はオーバーリーディングに対する補正をするように構成されている。
Patent JP-2009527877-A (JP)
Title: パワー半導体モジュールの短絡装置
IPC: H02H7/12
Filed: 2006-02-23
Abstract: 接続手段を介して直列回路構成にて互いに接続されたパワー半導体モジュールを備え、各パワー半導体に、それぞれのパワー半導体モジュールを短絡するための短絡装置が付設されている装置であって、高信頼性かつ同時に低コストの短絡装置を有する装置を提供するために、短絡装置が、起爆装置と起爆装置によって移動可能な作動手段（９）とを有する火工技術的機械要素（１）であることを特徴とする。
Patent JP-2009528417-A (JP)
Title: 液体用の標識剤としてのリレンの使用
IPC: C10L1/232
Filed: 2007-02-23
Abstract: 本発明は、一般式（Ｉ）で示されその式中の記号及び係数は明細書に示される意味を有するリレン誘導体を、液体用の標識物質として用いる使用に関する。
Patent JP-2009529186-A (JP)
Title: 将来の交通条件の動的時系列予測
IPC: G08G1/01
Filed: 2007-03-02
Abstract: （たとえば、所定の地理的領域における道路網の変化する現在の条件に基づくリアルタイムの方法で）さまざまな入力データを評価し、同時に多数の道路セグメントの各々について将来の時系列予測を繰り返し生成する確率的技法を使用することなどにより、複数の将来時間における将来の交通条件予測を生成する技法が説明される。場合によっては、関心対象となる地理的領域の観測された履歴交通条件に基づいてなど、各地理的領域の将来交通条件予測の生成に使用するために、１つまたは複数の予測ベイズモデルおよび対応する決定木が自動的に作成される。予測される将来の交通条件情報は、複数の将来時間における道路の交通条件に関する予測に基づいて道路網を通じて最適な経路を計画するなど、走行を補助するためおよびその他の目的でさまざまな方法に使用することができる。
Patent JP-2009529458-A (JP)
Title: 水上格子構造
IPC: E01D15/14
Filed: 2007-03-12
Abstract: 【課題】水上の格子構造、格子トラス構造、格子シェル構造に適用される水上格子構造である。 【解決手段】上記水上格子構造は、格子構造（１）と浮体式構造物（２）とより構成され、または、上記格子構造（１）を構成する部材自体が浮体である。上記浮体式構造物（２）の浮力によって上記格子構造（１）を水上に浮かばせる。上記水上格子構造は、その上弦面が板状構造物であり、または、その上弦面に板状構造物が被覆して固定接続され、支持面として、水上浮体式工事における支持構造に用いられる。上記水上格子構造は空間的構造の浮体で、波がその空間を通過することで、波による浮体式構造物への影響が小さくなることを特徴とする。上述と並列する手段としては、構造の強度が高いことを特徴とする格子シェル構造の骨組を備える船体構造及び仮締切り構造である。 【選択図】図１
Patent JP-2010156909-A (JP)
Title: Powder storage container, powder conveyance device, and image forming device
Inventor: IKISU TOORU
IPC: G03G15/08
Filed: 2009-01-05
Abstract: <P>PROBLEM TO BE SOLVED: To adjust the amount of circulated toner without performing complicated driving control.  <P>SOLUTION: In a conveyance tube 72, an open area of an air hole 84 is adjusted by moving an opening/closing member 86 along the circumferential direction. An internal pressure of the conveyance tube 72 is adjusted by adjusting the open area of the air hole 84. A toner conveyance amount per unit time is adjusted by adjusting the internal pressure of the conveyance tube 72. Since the air hole 84 is used for adjustment, the toner circulation amount can be adjusted without requiring complicated driving control unlike when driving control is indispensable in order to adjust the toner circulation amount.  <P>COPYRIGHT: (C)2010,JPO&INPIT
Patent JP-2010158952-A (JP)
Title: Sunshade device
Inventor: TAKEUCHI KOICHI
IPC: B60J3/00
Filed: 2009-01-07
Abstract: <P>PROBLEM TO BE SOLVED: To cover a side window with a single shade by reducing the size of a division bar.  <P>SOLUTION: A sunshade device 30 for shading the side window 20 of a vehicle door includes the division bar 12 for dividing the side window 20 in the back-and-forth direction of the vehicle; the single shade 31 for covering the side window 20 as a whole; a frame 32 for drawing the shade 31 disposed at the upper end of the shade 31; a support H for supporting the frame 32 so as to be movable in the back-and-forth direction of the vehicle; and a slider S vertically and movably supported in the division bar 12. The support H is disposed outside the division bar 12 by being extended from the slider S to the front of the vehicle. The frame 32 is offset inward of an interior with respect to the slider S.  <P>COPYRIGHT: (C)2010,JPO&INPIT
Patent JP-2010158869-A (JP)
Title: Ballpoint pen set
Inventor: MIYAKE MITSUTO
IPC: C09D11/18
Filed: 2009-01-09
Abstract: <P>PROBLEM TO BE SOLVED: To provide a ballpoint pen set for holding at least black ballpoint pens with different color tones from conventional black, tinged with colors other than black such as a bluish black ballpoint pen and a reddish black ballpoint pen.  <P>SOLUTION: The ballpoint pen set holds a plurality of ballpoint pens forming a group as merchandise in a case by holding, in shaft cylinders used as common components, a plurality of kinds of ballpoint pen refills formed by filling different kinds of ballpoint pen ink in ink storage cylinders used as common components. The different kinds of ballpoint pen ink are a plurality of kinds of black ballpoint pen ink with color difference, and a plurality of black ballpoint pens with the color difference are stored in the case.  <P>COPYRIGHT: (C)2010,JPO&INPIT
Patent JP-2009205141-A (JP)
Title: Adhesive polarizing plate, image display device, and method for manufacturing them
Inventor: SUZUKI NOBORU
IPC: G02F1/1335
Filed: 2009-01-14
Abstract: <P>PROBLEM TO BE SOLVED: To provide an adhesive polarizing plate having a transparent protective film only on one face of a polarizer and having an adhesive layer on the other face, and excellently maintaining adhesion with time between the polarizer and the adhesive layer even if placed in conditions of high temperature and high humidity.  <P>SOLUTION: The adhesive polarizing plate is provided with the transparent protective film E only on one face of the polarizer P through a first adhesive layer G1, and the adhesive layer B on the other face of the polarizer P through a second adhesive layer G2. The second adhesive layer G2 is formed by solidifying an adhesive G2' after laminating the polarizer P and the adhesive layer B in the unsolidified state of the adhesive G2' forming the second adhesive layer G2.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2009102385-A (JP)
Title: Hydrogenation process
Inventor: ANDERSON KRIS
IPC: C07C47/21
Filed: 2009-01-15
Abstract: <P>PROBLEM TO BE SOLVED: To provide highly efficient hydrogenation processes including hydro-dehalogenation.  <P>SOLUTION: Provided are heterogeneous processes (i) for the hydrogenation of a compound containing at least one unsaturated carbon-carbon bond, and (ii) for the hydro-dehalogenation of a compound containing at least one C-Cl, C-Br or C-I bond. The processes comprise reacting the compound with a hydrogenating agent and a heterogeneous hydrogenation catalyst in the presence of an ionic liquid.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2010019826-A (JP)
Title: Pressure sensor
Inventor: MOTOYAMA HISAO
IPC: G01L9/00
Filed: 2009-01-15
Abstract: <P>PROBLEM TO BE SOLVED: To provide a highly-sensitive pressure sensor having heightened measurement accuracy of pressure detection, miniaturized by simplifying structure of a force transfer member without using oil as a pressure-receiving medium inside.  <P>SOLUTION: The first diaphragm 5 to be bent corresponding to a liquid pressure which is a measuring object is mounted on the tip part of the first pressure input port 2 of a housing 4, and the second diaphragm 6 to be bent corresponding to the atmospheric pressure is mounted on the tip part of the second pressure input port 3. A shaft 7 is mounted between the first diaphragm 5 and the second diaphragm. A movable member 9 is mounted on a prescribed position on the shaft 7. Each support part on both ends arranged in a force detection axis direction is connected to the movable member 9 and a fixed member 10 respectively and supported, to thereby fix a pressure-sensitive element 11. The pressure-sensitive element 11 is arranged so that its displacement direction is the same direction as a displacement direction of the shaft 7.  <P>COPYRIGHT: (C)2010,JPO&INPIT
Patent JP-2010170219-A (JP)
Title: Apparatus, method and program for processing image, and printer
Inventor: YOTSUYA EIJI
IPC: H04N5/232
Filed: 2009-01-20
Abstract: <P>PROBLEM TO BE SOLVED: To solve such the problem that since the aspect ratio of a face is also greatly changed in deforming an image including a person, a bad-looking image is produced.  <P>SOLUTION: An image processor includes: a region setting part for setting a compression region and an enlargement region in an object image including a face image; an image deformation part for enlarging the enlargement region in a specific direction by a prescribed enlargement rate; and a face deformation part for, when at least a portion of the face image is included in the enlargement region, deforming the face image by compression quantity determined according to the enlargement rate so that the face image included in the enlargement region is compressed in the specific direction.  <P>COPYRIGHT: (C)2010,JPO&INPIT
Patent JP-2010168611-A (JP)
Title: Deposited film forming device
Inventor: OKAMURA TATSUJI
IPC: G03G5/08
Filed: 2009-01-21
Abstract: <P>PROBLEM TO BE SOLVED: To provide a deposited film forming device capable of uniformly and stably forming a functional deposited film of a large area, and to provide, particularly, a deposited film forming device capable of producing a high-quality electrophotographic photosensitive element excellent in charging properties inexpensively in high productivity.  <P>SOLUTION: In the deposited film forming device 100 where a raw material gas and discharge energy are applied to the inside of a reaction vessel 101 in which a high frequency electrode also serves as a side wall so as to form a deposited film on the surface of a substrate, an exhaust part 109 connected to the exhaust system is provided at a part of the side wall of the reaction vessel 101, and a screen member 111 having a potential same as that of a high frequency electrode is provided in such a manner that the exhaust part 109 is made into a blind spot from the substrate.  <P>COPYRIGHT: (C)2010,JPO&INPIT
Patent JP-2010023017-A (JP)
Title: Resin composition for porous filtering membrane and manufacturing method of porous filtering membrane
Inventor: TAKIYAMA SHIGEO
IPC: C08J9/26
Filed: 2009-01-21
Abstract: <P>PROBLEM TO BE SOLVED: To provide a resin composition for a porous filtering membrane for manufacturing a porous filtering membrane which possesses a fine uniform pore diameter, has high membrane intensity and water permeability, and is excellent in productivity.  <P>SOLUTION: The resin composition for the porous filtering membrane contains polyvinylidene fluoride and a hydrophobic calcium carbonate particulate with the BET relative surface area of 5-75 m<SP>2</SP>/g and in which the total of 11 μm or more in a laser diffraction system (micro track FRA) particle size distribution is 25% or less, or further contains an organic liquid body.  <P>COPYRIGHT: (C)2010,JPO&INPIT
Patent JP-2010169506-A (JP)
Title: Device and method for measuring contact force
Inventor: FUJISAWA TAKAMASA
IPC: G01L5/00
Filed: 2009-01-22
Abstract: <P>PROBLEM TO BE SOLVED: To provide a contact force measuring device and method, accurately measuring both a contact force of a pantograph such as a single arm having a smaller number of springs, and a contact force of a pantograph with multi-split sliders having many springs.  <P>SOLUTION: The measuring device is provided with: a photographing means composed of an area camera 2 or the like for picking up an image of the springs 6 of a pantograph 4 while partially designating a photographing range and enhancing time resolution; an image processing means composed of a processing PC 8 for detecting the springs 6 in the image by image processing; and a contact force calculation means which is composed of the processing PC 8, and finds a contact force by adding spring reaction forces and inertial forces of the springs 6 detected by the image processing means.  <P>COPYRIGHT: (C)2010,JPO&INPIT
Patent JP-2010169627-A (JP)
Title: Capping apparatus
Inventor: NANJO HIDEO
IPC: G01N1/28
Filed: 2009-01-26
Abstract: <P>PROBLEM TO BE SOLVED: To provide a capping apparatus for easily and highly accurately forming capping layers in both faces of a concrete specimen.  <P>SOLUTION: The capping apparatus includes: a surface plate 2 with a planarly formed upper surface 3; a support shaft 6 vertically raised from the upper surface 3 of the surface plate 2; a cylindrical guide member 7 mounted to the support shaft 6 in such a way that its axis may be vertical to the upper surface 3 of the surface plate 2 to be vertically movable along the support shaft 6 for guiding the circumferential surface of the concrete specimen 25 on the side of the inner circumferential surface; and a pan member 18 mounted to the upper surface 3 of the surface plate 2, having a planar bottom surface in parallel with the upper surface 3 of the surface plate 2, and having a recession part 21 in which an end of the concrete specimen 25 is inserted.  <P>COPYRIGHT: (C)2010,JPO&INPIT
Patent JP-2010176886-A (JP)
Title: Wire connecting sleeve, repair wire, method of manufacturing the wire connection sleeve, and wire connecting method
Inventor: KOBAYASHI KAZUMASA
IPC: H01R43/048
Filed: 2009-01-27
Abstract: <P>PROBLEM TO BE SOLVED: To provide: a wire connecting sleeve increasing reliability in connection of a connected part of a wire; a repair wire formed by crimping the wire in advance to one end of the wire connecting sleeve; a method of manufacturing the wire connecting sleeve; and a wire connecting method.  <P>SOLUTION: The cylindrical wire connecting sleeve 10 opened at both ends is formed by cylindrically rolling a metal plate 12 formed with a protruded or recessed part 11 on a front or back surface with the surface formed with the protruded or recessed part 11 inside. By such a structure, the protruded or recessed part 11 formed on the inner surface of the wire connecting sleeve 10 breaks through an oxide film of a conductor 21 to expose a fresh face with the fresh face in contact with the wire connecting sleeve 10.  <P>COPYRIGHT: (C)2010,JPO&INPIT
Patent JP-2010177811-A (JP)
Title: Digital camera
Inventor: TOYAMA KOICHI
IPC: G06T1/00
Filed: 2009-01-27
Abstract: <P>PROBLEM TO BE SOLVED: To easily retrieve and extract subject image data on face expressions of the same level.  <P>SOLUTION: A face expression determination unit 23 detects a predetermined face expression of a subject person from a photographed subject image, compares the face expression of the subject person with face expression level data in a face expression level data storage unit 26 to determine the degree of the face expression, and generates a determination signal corresponding to the face expression level. A file storage instruction unit 30 generates an instruction signal for saving subject images by every face expression level in a predetermined folder provided in a memory 16a of an image recording unit 16 according to the determination signal.  <P>COPYRIGHT: (C)2010,JPO&INPIT
Patent JP-2010175116-A (JP)
Title: Device and method for controlling current carrying of glow plug
Inventor: MISAKI TAKASHI
IPC: F23Q7/00
Filed: 2009-01-28
Abstract: <P>PROBLEM TO BE SOLVED: To stabilize operation at low intake air temperature while saving electric power.  <P>SOLUTION: In this method of controlling current carrying of a glow plug 4, after start of a diesel engine, electric power supply to the glow plug 4 is controlled, and after-glow is performed so that the temperature of the glow plug becomes a predetermined set target temperature. Using the temperature resistant characteristics of the glow plug 4, the temperature of the glow plug 4 is detected, and the temperature change in the glow plug 4 is detected along with air intake during cranking, so as to detect the intake air temperature. When the intake air temperature Tin is low, the target temperature of after-glow is set high.  <P>COPYRIGHT: (C)2010,JPO&INPIT
Patent JP-2010173779-A (JP)
Title: Spring feeder
Inventor: SEKI TADAYOSHI
IPC: B65G47/14
Filed: 2009-01-29
Abstract: <P>PROBLEM TO BE SOLVED: To provide a spring feeder in which tangled small springs are separated into individual springs, the separated small springs are aligned in a row in the compression-elongation direction thereof, and the jamming thereof in the conveying path for feeding the springs is released.  <P>SOLUTION: This spring feeder includes: a container 1 to which vibrations are appropriately provided; a separation means for separating a plurality of tangled small springs; and a conveying path A for feeding springs that is disposed outside the container 1 and conveys the springs inside the container 1 to the outside of the container 1. A conveying portion 6 for connection that has a conveying groove 62 for connection is provided in the end portion of the conveying path A for feeding. An ejection portion 7 for spring removal that has an ejection nozzle 71 is attached in the appropriate position of the conveying groove 62 for connection. A distal end of the ejection nozzle 71 of the ejection portion 7 for spring removal is brought close to the conveying groove 62 for connection, and the ejection direction of the ejection nozzle 71 is substantially opposite to the direction of conveying the springs.  <P>COPYRIGHT: (C)2010,JPO&INPIT
Patent JP-2009214097-A (JP)
Title: Facility and method for manufacturing surface-treated steel sheet
Inventor: MATSUDA TAKESHI
IPC: B05D7/14
Filed: 2009-01-29
Abstract: <P>PROBLEM TO BE SOLVED: To provide a facility and a method for manufacturing a surface-treated steel sheet, in each of which a coating material can be reused, two or more coating materials can be used which are prepared by halfway changing a mixing ratio of chemicals or by halfway changing one chemical to another chemical or which are apt to react with one another at around room temperature, or two or more chemicals can be used which are apt to generate sludge due to a neutralization reaction.  <P>SOLUTION: The facility for manufacturing the surface-treated steel sheet is characterized in that two or more ink-jet units each having a plurality of heads 11-13 are arranged along the traveling direction of a steel sheet 10 and the plurality of heads of each of two or more ink-jet units are arranged along the width direction of the steel sheet.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2010176424-A (JP)
Title: System, apparatus and program for forming image
Inventor: MOCHIZUKI AKIKO
IPC: G06F1/32
Filed: 2009-01-29
Abstract: <P>PROBLEM TO BE SOLVED: To reduce power consumption as a whole image forming system configured via a communication means.  <P>SOLUTION: The image forming system includes: a network 4 for performing communication of a signal; and a plurality of image forming apparatuses 3 (3A-3E) connected to the network 4, each forming an image based on an image forming instruction received via the network 4. One image forming apparatus 3 of the plurality of image forming apparatuses 3 sets another image forming apparatus 3 of the plurality of image forming apparatuses 3 as a proxy device, makes the other image forming apparatus 3 substitute for provision of a service except the image forming instruction included in the signal transmitted to its own device via the network 4, and the own device transfers to a power-saving state having lower power consumption than an operation state.  <P>COPYRIGHT: (C)2010,JPO&INPIT
Patent JP-2010173026-A (JP)
Title: Planer type machine tool
Inventor: YAMANAKA KAZUMA
IPC: B23Q1/00
Filed: 2009-01-30
Abstract: <P>PROBLEM TO BE SOLVED: To provide a planer type machine tool for exhibiting an oscillation absorption function to a mode (frequency) causing oscillation problems without badly affecting machining accuracy, especially flatness.  <P>SOLUTION: In the planer type machine tool composed by two columns 10-1, 10-2, and a cross rail 20 supported by the two columns, dynamic oscillation absorbers 60-1, 60-2 are disposed at a portion where the columns and the cross rail intersect.  <P>COPYRIGHT: (C)2010,JPO&INPIT
Patent JP-2010175037-A (JP)
Title: Shift control device of vehicle
Inventor: FUJITA IHITO
IPC: F16H61/08
Filed: 2009-01-30
Abstract: <P>PROBLEM TO BE SOLVED: To provide a shift control device assuring a smooth operation of a forward-reverse changeover mechanism and its protection when a shift change is made from the reverse running range into the forward running range on a road surface with small friction factor.  <P>SOLUTION: If after a slip condition of a driving wheel is sensed during the reverse range, a shift is made from the reverse range into the D-range, the liquid pressure supplied to a hydraulic servo of a chamfer mechanism is increased by an addition value QINGICE from the standard liquid pressure in order to couple the first speed range driven gear with a counter shaft, and also the timing to supply the liquid pressure to a liquid pressure servo is made earlier for ΔT. Even if an eventually small friction factor of the road surface makes earlier the timing at which the chamfer mechanism differential rotation nullifies after a shift change into D-range takes place, it is possible to actuate the chamfer mechanism at an early stage complying with the differential rotation nullifying timing which is made earlier, that enables smooth establishment of the first speed range and enhancement of the durability of the chamfer mechanism.  <P>COPYRIGHT: (C)2010,JPO&INPIT
Patent JP-2010178293-A (JP)
Title: Level shift circuit
Inventor: IWAHASHI HIRONOBU
IPC: H03K19/0185
Filed: 2009-02-02
Abstract: <P>PROBLEM TO BE SOLVED: To provide a level shift circuit which can perform high speed operation with reduced power consumption.  <P>SOLUTION: The level shift circuit comprises a timing control circuit 1, a charging circuit 2, a discharging circuit 3, and an output signal generating circuit 6 including a voltage holding circuit 4 and a logic matching circuit 5. In order to determine a logic of an output signal Vout, a transistors Q21 and Q31 of a great current driven force are cascaded and since the timing control circuit 1 controls ON/OFF of the transistors Q21 and Q31 in such a way that a through current does not flow to these transistors Q21 and Q31, the transistors Q21 and Q31 are not turned on simultaneously. Hence, the through current does not flow from a low power supply voltage terminal through the transistors Q21 and Q31 to a ground terminal, and the level shift circuit performs high speed operation with reduced power consumption.  <P>COPYRIGHT: (C)2010,JPO&INPIT