baber/WOPTO huggingface dataset:
Patent JP-2004509880-A (JP)
IPC: C07D307/85
Filed: 2001-08-17
Abstract: The invention relates to BCAT inhibitor compounds of formula (I) and use thereof for treating or preventing neuronal loss associated with stroke, ischemia, CNS trauma, hypoglycemia and surgery, as well as treating neurodegenerative diseases including Alzheimer's disease, amyotrophic lateral sclerosis, Huntington's disease and Down's syndrome, treating or preventing the adverse consequences of the overstimulation of the excitatory amino acids, treating anxiety, psychosis, convulsions, aminoglycoside antibiotics-induced hearing loss, migraine headache, chronic pain, neuropathic pain, Parkinson's disease, diabetic retinopathy, glaucoma, CMV retinitis, urinary incontinence, opioid tolerance or withdrawal, and inducing anesthesia, as well as for enhancing cognition.
Patent JP-2004511159-A (JP)
Title: 構成可能な電力増幅器及びバイアス制御
IPC: H03F3/343
Filed: 2001-10-05
Abstract: バイアス制御（３００）は、バイアス制御により発生したバンドギャップ電圧（４４２）またはバイアス制御の外部のバイアス電圧に基づいて、電力増幅器（１２０）のバイアスを選択的に与える。コントローラ（４２０）が、バンドギャプ電圧（４４２）または外部バイアス電圧のいずれかの選択を制御する。バイアス制御は、相補型金属酸化膜半導体（ＣＭＯＳ）などの低電圧供給レベルで動作可能な第１の半導体材料で作られ、電力増幅器と共通する集積回路に組み立てられてよい。 【選択図】図８
Patent JP-2004520864-A (JP)
IPC: H05H1/24
Filed: 2001-10-05
Abstract: A plasma tool adapted to emit high quantum energy inert gas atoms in a stream for cutting, liquefying, or evaporating material such as human tissue during surgical procedures. The apparatus comprises a source of inert gas, a plasma cell in communication with the inert gas source for imparting energy to the inert gas atoms and defined in part by a positive electrode and a negative electrode, at least one power supply electrically connected between the positive and negative electrodes, and means for directing the high quantum energy inert gas atoms at a target. The power supply initially provides an ionization voltage between the negative and positive electrodes to initiate a plasma from the inert gas in the plasma cell, and subsequently provides a pulsed voltage curve to sustain the plasma at a predetermined energy level. Methods for using the tool, including for performing surgical procedures, are also described.
Patent JP-2004512085-A (JP)
Title: 外科用切断器具
IPC: A61B17/32
Filed: 2001-01-26
Abstract: 外科用器具（１０）は、互いに開閉するように構成された相対する一対のあご（３０、３２）を有している。各あご（３０、３２）は、外科用器具の一部に連結された基端部（３８、４０）、相対するあご先端（５４、５６）および反対側のあごに面するように配置された対面する表面（５８、６０）を有している。周囲（６２、６４）が各あごの対面する表面（５８、６０）と先端の境界を画定する。第一切断端部（７０、７２）が各あごの周囲（６２、６４）の一部に設けられており、それによってその部分があごの先端（５４、５６）を画定する。各第一切断端部（７０、７２）は反対側のあごの対応する第一切断端部（７０、７２）に向かって伸びている。各第一切断端部（７０、７２）は、それぞれのあごの基端部に向かって内方に凹状に曲がっている。
Patent JP-2004513037-A (JP)
Title: 実質的に三角形の上蓋
IPC: B65D1/26
Filed: 2001-11-13
Abstract: 実質的に三角形の上蓋は、３つの外周角部及び３つの外周辺部を備えた実質的に三角形の外周を有する本体を包含する。この上蓋はまた、外周角部の１つから実質的に下方に延長するスカート角部を備えたスカートを包含する。このスカート角部は、本体に隣接する領域に向かって延長する少なくとも１つの内側延長部を包含する。
Patent JP-2004514949-A (JP)
Title: 液晶ディスプレイ
IPC: G02F1/1368
Filed: 2001-11-23
Abstract: トップゲート型ＴＦＴを使用する液晶ディスプレイ用のアクティブプレートを形成する方法が説明されている。ブラック有機光遮蔽層（７３）ＴＦＴの下で使用して、下から基板（７１）を通過してくる光からＴＦＴのチャネル（９１）を保護する。アクティブプレートは、行および列の電極（７９）と重なる画素電極（９９）を持つ高アパーチャープレートとすることもできる。有機光遮蔽層は画素電極の間にあるギャップをマスクすることもできる。
Patent JP-2004520373-A (JP)
IPC: A23L1/30
Filed: 2002-01-21
Abstract: An anti-atherosclerosis composition comprising a LDL-oxidation inhibiting effective amount of phytoene, phytofluene or mixtures thereof and a method for inhibiting the progression of atherosclerosis.
Patent JP-2004532212-A (JP)
IPC: A61P19/08
Filed: 2002-03-28
Abstract: An orally or topically administered composition capable of reducing inflammation in animals, preferably humans, suffering from inflammation, contains a therapeutically effective amount of a post-supercritical carbon dioxide alcoholic extract of ginger; therapeutically effective amounts of supercritical carbon dioxide extracts of rosemary, turmeric, oregano and ginger (preferably certified organic ginger); and therapeutically effective amounts of hydroalcoholic extracts of holy basil, turmeric, scutellariae baicalensis, rosemary, green tea, huzhang, Chinese goldthread, and barberry. The composition is preferably orally administered on a daily basis for at least about 4 weeks.
Patent JP-2004533114-A (JP)
Title: 周期パターンおよびずれを制御するための技術
IPC: H01L23/544
Filed: 2002-04-09
Abstract: 二つのオーバーレイ周期構造もしくはインターレース状の周期構造（１３，１５）の間のずれの誤差を測定する方法とシステムを提供する。オーバーレイ周期構造もしくはインターレース状の周期構造は、光源（１０１）からの入射光によって照射され、オーバーレイ周期構造もしくはインターレース状の周期構造による入射光の回折光を検出器（１２３，１２５）で検出して、出力信号を生成する。オーバーレイ周期構造もしくはインターレース状の周期構造の間のずれは、出力信号から判定することができるようになる。 【選択図】図１０ａ
Patent JP-2004525579-A (JP)
Title: ネットワークバス上における通信を確立するためのシステム及び方法
IPC: H04L29/12
Filed: 2002-04-26
Abstract: 本発明は、ネットワークシステム上に配置された様々なネットワークデバイスとの通信を確立するためのシステム、方法、及びバス制御装置を提供する。重要な特徴として本発明に係るシステム、方法、及びバス制御装置は、新たなネットワークデバイスが既存のネットワークに追加されたことを認識して、その追加されたネットワークデバイスがネットワーク上で識別できるようにそれに固有アドレスを割り当てることができる。さらに本発明に係るシステム、方法、及びバス制御装置は、ネットワークシステムにおけるバス制御装置とネットワークデバイスとの間の通信の概略を示す作業スケジュールを、追加されたネットワークデバイスと通信するためのコマンドを含むように更新する。本発明に係るシステム、方法、及びバス制御装置は、ネットワークデバイスがネットワークシステムから切断されたときを検出して、切断されたネットワークデバイスに関連するコマンドをコマンド・スケジュールから取り除くこともある。
Patent JP-2005507677-A (JP)
Title: 個別締結部材領域の形成
IPC: B29C48/13
Filed: 2002-05-29
Abstract: 締結製品（６０、６０’、１３０）は、長手方向に延びる帯状ベース（１２、１０６）と、締結部材ステム（１８、１８’）の複数の長手方向個別領域（１４、１７０）とを含む。各個別領域は、樹脂層（６２、１０８）の樹脂と第二ベース材とを混ぜ合わせることによって第二ベース材（７０、７０’、１００）に接着される熱可塑性樹脂層（６２、１０８）を含み、締結部材ステム（１８、１８’）は、樹脂層（６２、１０８）から延びる樹脂（３２）の成形され一体化された延在体である。各長手方向の個別領域（１４、１７０）は、締結部材ステム（１８、１８’）がない帯状ベース（１２、１０６）の領域（１３、１１４）によって囲まれている。このような締結具製品（６０、６０’、１３０）などを製造するための様々な方法は、様々なバリヤ（６０、６０’、８０、９０、１０２）と裏当て材（１００）を成形間隙（３４）に挿入して、成形プロセスの間に、締結部材ステム（１８、１８’）の形成を、かつ／またはバリヤおよび／もしくは裏当て材への樹脂の積層を制限する工程を含む。
Patent JP-2004209115-A (JP)
Title: Oxygen concentrator, and method for controlling the same
Inventor: OUCHI TERUHIKO
IPC: A61M16/16
Filed: 2003-01-08
Abstract: <P>PROBLEM TO BE SOLVED: To provide an oxygen concentrator for reporting the correct operation state of the concentrator to a patient, and also adequately detecting a fault which occurs when the concentrator is operated.  <P>SOLUTION: The flow rate of humidified oxygen is detected in the oxygen concentrator. When the state with the low detection flow rate continues for a fixed time in such a degree that the detection flow rate exceeds a fixed threshold after comparison with a set flow rate, the pressure of humidified oxygen is detected. Then the operation state of the concentrator is reported in accordance with the detected pressure.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004210742-A (JP)
Title: METHOD FOR PRODUCING alpha,beta-UNSATURATED CARBOXYLIC ACID ESTER CONTAINING INSERTED CYCLIC HETERO-COMPOUND AND CATALYST THEREFOR
Inventor: HASHIMOTO MASASHI
IPC: C07B61/00
Filed: 2003-01-08
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method for producing an α,β-unsaturated carboxylic acid ester containing inserted cyclic hetero-compound in high efficiency at a low cost and provide a catalyst suitable for producing an α,β-unsaturated carboxylic acid ester containing inserted cyclic hetero-compound in high efficiency at a low cost.  <P>SOLUTION: The α,β-unsaturated carboxylic acid ester containing a cyclic hetero-compound and expressed by formula (3) is produced by reacting an α,β-unsaturated carboxylic acid ester expressed by formula (1) with a cyclic hetero-compound expressed by formula (2) in the presence of a metal halide or an organic metal compound. In the formulas, R<SP>1</SP>, R<SP>2</SP>, R<SP>3</SP>and R<SP>5</SP>are each H or an organic residue; R<SP>4</SP>is an organic residue; X<SP>1</SP>is O, S or NH; and one of R<SP>6</SP>, R<SP>7</SP>, R<SP>8</SP>and R<SP>9</SP>is R<SP>5</SP>and the others are H.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004217033-A (JP)
Title: Door for vehicle
Inventor: KUNO SUSUMU
IPC: B60J5/04
Filed: 2003-01-14
Abstract: <P>PROBLEM TO BE SOLVED: To provide a door for a vehicle for which the rigidity of a sash part on the pillar side can be increased by a simple structure.  <P>SOLUTION: For this door for the vehicle, a door sash part is divided into a roof sash part 14 on the roof side which is formed by roll-molding, and a pillar sash part 12 on the pillar side which is constituted of parts molded by press-molding. Then, a constitution for which one-end parts of both of these sash parts 12 and 14 are bonded to each other is adopted. Thus, the rigidity of the sash part 12 on the pillar side can be increased without adding separately various kinds of reinforcing members.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004218729-A (JP)
Title: Mounting structure of shielding cover of vehicle
Inventor: HIYOSHI TSUTOMU
IPC: F16M1/026
Filed: 2003-01-15
Abstract: <P>PROBLEM TO BE SOLVED: To reduce noise in a vehicle and improve the silence property in the vehicle by reducing vibration transmitted to a shielding cover provided in a vibration part in the vehicle.  <P>SOLUTION: A floating means for supporting and letting a cover mounting part attached to the vibration part of the shielding cover to support it float from an engaging part which is a part of the vibration part and whose position opposes to the cover mounting part is provided to constitute this mounting structure of the shielding cover supporting in a condition in which the shielding cover does not come into contact with the vibration part directly.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2003242137-A (JP)
Title: Method for displaying photo pages on the internet
Inventor: HOEHN THOMAS J
IPC: G06F17/21
Filed: 2003-01-15
Abstract: <P>PROBLEM TO BE SOLVED: To provide a user-friendly Internet-based Web page forming tool enabling a general user to transfer an image in an aesthetically pleasing way.  <P>SOLUTION: This method for displaying photo pages on the Internet comprises the steps of displaying a template having a plurality of page layouts 62 on the Internet; displaying a template having a plurality of styles for the page layouts 62 on the Internet; after selection by a user of the page layout and style, displaying the selected combination of the page layout and style for forming a selected photo page on the Internet; and inserting one or more images 58 that are selected by the user into the selected photo page.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2004005394-A (JP)
Title: Client/server system, server, apparatus built-in with server, client, program, and record medium
Inventor: OHARA KIYOTAKA
IPC: G06F9/50
Filed: 2003-01-15
Abstract: <P>PROBLEM TO BE SOLVED: To reduce a server side processing load following a data requirement from a client in a client/server system.  <P>SOLUTION: A printer 1 broadcasts a GET request by an SNMP to a plurality of other devices at predetermined timing, and it acquires pieces of information regarding a model name, idling rate and stored image files of each device. When there is a request for a Web page from a Web browser 31, a Web server in the printer 1 prepares HTML data dispersedly assigning reference (acquisition) locations of image files displayed in the Web page to the plurality of other printers (printers having the image files) on the basis of the pieces of information acquired by broadcasting, and it sends the HTML data to a client PC 7. The Web browser 31 requests the image files from a plurality of assigned printers on the basis of the HTML data.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004217581-A (JP)
Title: Composition having antimicrobial or microbicidal activity
Inventor: WASHIMI TAKAO
IPC: A01N59/00
Filed: 2003-01-16
Abstract: <P>PROBLEM TO BE SOLVED: To obtain an antibacterial and antifungal composition produced readily and safely, mild to the environment, and applicable to various kinds of water-based applications.  <P>SOLUTION: This composition contains at least one nitrogen-containing compound selected from the group consisting of an inorganic ammonium salt, an organic ammonium salt and a compound having an amino group, silver oxide and a calcium salt. The composition is preferably a liquid composition, and preferably contains 0.2 mg to 200 g nitrogen-containing compound, 0.01 mg to 10 g silver oxide and 0.02g to 25 g calcium salt.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004220403-A (JP)
Title: Portable information recording medium
Inventor: SHIBATA NAOTO
IPC: B42D15/10
Filed: 2003-01-16
Abstract: <P>PROBLEM TO BE SOLVED: To execute an effective test for a processing function accompanying an occurrence of a random number.  <P>SOLUTION: A phase switching flag is set to an EEPROM in an IC card, and a mode switching flag and a value switching flag are set in a RAM. When a GET CHALLENGE command that demands return of a random number as a response is given from a reader/writer device, the phase switching flag is checked (S1). If the switching flag is of an operation phase, the random number R is returned in a usual manner (S4). If the switching flag is of a test phase, the mode switching flag is checked (S2) and in the case of a random number mode, the random number R is returned (S4). In the case of a predictable value mode, the value switching flag is checked (S3). In the case of a fixed value, the fixed value FF is returned (S5). In the case of a sequence value, the sequence value is returned (S6). The phase switching flag is 0 until the test stage and is rewritten to 1 at the time of shipment.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004221496-A (JP)
Title: Photoelectric conversion device, its manufacturing method, and electronic apparatus
Inventor: KASAHARA YUKIO
IPC: H01L31/04
Filed: 2003-01-17
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method of manufacturing a photoelectric conversion device of superior design and to provide the photoelectric conversion device of superior design and a photoelectric apparatus equipped with the same.  <P>SOLUTION: The method of manufacturing the photoelectric conversion device comprises processes of forming a first electrode 3 on a substrate 2, forming a dense layer (dense electron transport layer) 41 on the first electrode 3, providing a porous layer (porous electron transport layer) 42 coming into contact with the dense layer 41, depositing a colorant layer D coming into contact with the porous layer 42, forming a hole transport layer 5 coming into contact with the colorant layer D, and providing a second electrode 6 on the hole transport layer 5. At least, one of the first electrode 3, the dense layer 41, the porous layer 42, the colorant layer D, the hole transport layer 5, and the second electrode 6 is so shaped as to have a displaying form X (a part indicating prescribed information or a part forming a prescribed design) by an ink jet method.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004227047-A (JP)
Title: Machining device
Inventor: IDE KENSUKE
IPC: G05B19/4069
Filed: 2003-01-20
Abstract: <P>PROBLEM TO BE SOLVED: To increase the workability of machining and reduce the cost of manufacturing in a machining device.  <P>SOLUTION: A numerical controller 11 interprets an NC program to create movement commands to various tools, and then computes three-dimensional movements of the tools by interpolation. A servo control part 16 drives various servomotors 22 of a machine tool 21 according to the movements, and a pseudo servo control part 19 outputs the movements to a machining simulator 31. The machining simulator 31 executes a machining simulation prior to actual machining of the machine tool 21. Anomaly detecting means 32, if detecting a nonconforming phenomenon such as a tool collision, transmits the facts, and the servo control part 16 corrects the operation of the machine tool 21.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004224863-A (JP)
Title: Block copolymer, sheet, film and heat-shrinkable (multilayer) film
Inventor: MATSUI MASAMITSU
IPC: B29L7/00
Filed: 2003-01-21
Abstract: <P>PROBLEM TO BE SOLVED: To obtain a block copolymer which is subjected to quality control so as not to contain more than a fixed amount of a causative substance to cause fish eyes in a raw material pellet, namely a gel-like deteriorated substance and a foreign matter and a resin composition consisting essentially of the same.  <P>SOLUTION: The block copolymer composed of a vinylaromatic hydrocarbon and a conjugated diene comprises satisfying requirements of specific molecular structure, the composition ratio of styrene/butadiene, MFR each to be in a fixed range and the number of particles measured by a specific method not to exceed a constant standard. The resin composition consists essentially of the block copolymer.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004225185-A (JP)
Title: Leathery sheet base and method for producing the same
Inventor: NOBUTO YOSHIKI
IPC: D04H1/4382
Filed: 2003-01-22
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method for producing a leathery sheet with favorable touch feeling and natural crease feeling, composed of a polymeric elastomer and conjugate staple fibers causing neither debonding nor splitting in the longitudinal direction even after subjected to carding and/or needlepunching treatment but splittable when subjected to the subsequent hot water bath treatment.  <P>SOLUTION: The method for producing the leathery sheet base comprises imparting a nonwoven fabric comprising the conjugate staple fibers with the polymeric elastomer followed by undergoing a hot water treatment at a temperature -5 to +10°C relative to the glass transition point of the component higher in glass transition point than the other component composing the staple fibers and then splitting treatment in the hot water bath. In this leathery sheet base, the conjugate staple fibers are such that in the cross section, the two components, i.e. a polymer A and a polymer B, are disposed in a multilayer (totaling ≥5) laminated structure with the polymer A covering the polymer B so that the ratio of the maximum diameter of the fiber to the covering thickness fall within a specific range.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004228984-A (JP)
Title: Antenna assembly
Inventor: TO GENSHU
IPC: H01Q5/10
Filed: 2003-01-23
Abstract: <P>PROBLEM TO BE SOLVED: To provide a high performance antenna assembly for a single band or a dual band capable of accelerating reduction in height.  <P>SOLUTION: On the surface of a dielectric substrate 12 standing on a ground conductor plate 11, a first meandering radiation conductor 13 and a second radiation conductor 14 are arranged symmetrically while coupling the lower ends through a coupling part 15, and a third radiation conductor 18 extending linearly along the symmetry axis is provided between the radiation conductors 13 and 14. A capacitive conductor 17 is arranged on the dielectric substrate 12 substantially in parallel with the ground conductor plate 11 and connected with the upper end of the radiation conductors 13, 14 and 18. The first and second radiation conductors 13 and 14 are set to resonate when high frequency power of a first frequency f<SB>1</SB>is fed to the coupling part 15, and the third radiation conductor 18 is set to resonate when high frequency power of a second frequency f<SB>2</SB>higher than f<SB>1</SB>is fed to the coupling part 15.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004226025-A (JP)
Title: Air-conditioner
Inventor: FUNADA KAZUYA
IPC: F24F5/00
Filed: 2003-01-24
Abstract: <P>PROBLEM TO BE SOLVED: To provide an air-conditioner capable of preventing degradation of the refrigerating capacity without reducing the quantity of refrigerant flowing in a refrigerant circuit during the cooling operation when the outside air temperature is high.  <P>SOLUTION: The air-conditioner constitutes a refrigerant circuit by successively connecting a compressor 1, a four-way valve 2, an outdoor side heat exchanger 3, an expansion valve 4, an indoor side heat exchanger 5 and an accumulator 6. A bypass passage 9 having a relief valve 7 and a throttle mechanism 8 is provided parallel to the expansion valve 4. When the differential pressure between both ends of the expansion valve 4 is not less than a predetermined value during the cooling operation, the relief valve 7 is opened to control the pressure so that a part of high-pressure liquid refrigerant is passed through the throttling mechanism 8 and bypassed to the low-pressure side.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004229165-A (JP)
Title: Data processing system
Inventor: ITO MASAHIRO
IPC: H04B7/26
Filed: 2003-01-27
Abstract: <P>PROBLEM TO BE SOLVED: To provide a data processing system capable of data transfer between a storage unit and a portable terminal, and reproduction of the data stored in the storage unit in the portable terminal, without using a dedicated host computer.  <P>SOLUTION: The system includes a portable terminal 1 enabling radio communication with an external device; a storage unit for storing data with a predetermined format; and a conversion cable 3 connected between the storage unit 2 and the portable terminal 1, for converting the data from the portable terminal 1 to the data format of the storage unit 2, or transferring to the portable terminal 1 after converting the data from the storage unit 2 to the data format of the portable terminal 1.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004230236-A (JP)
Title: Garbage disposal apparatus
Inventor: YAMAGUCHI SHIGEYUKI
IPC: C02F11/04
Filed: 2003-01-28
Abstract: <P>PROBLEM TO BE SOLVED: To lower uncomfortable smell containing ammonia as a main component and to maintain stable treating ability against excessive throwing of a garbage and throwing of the garbage having a deviated component.  <P>SOLUTION: A treating material 2 filled in a treating tank 1 is started to be operated in a low moisture content state that the moisture content is 5% or more to 40% or less and in an acidic state that pH is 3 or more to less than 7 to form a microorganism phase having an acidophilic facultative anaerobic bacterium as a principal component.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004236411-A (JP)
Title: Vehicle control device
Inventor: NAGAE MASAHIRO
IPC: B60L50/16
Filed: 2003-01-29
Abstract: <P>PROBLEM TO BE SOLVED: To provide a vehicle control device capable of sufficiently exhibiting engine characteristics.  <P>SOLUTION: This vehicle control device controlling a hybrid vehicle capable of running by driving at least one of an engine 2 and a motor generator 3 drives the engine 2 with a torque exceeding a transmission limit value, when required torque reaches the transmission limit value in a driving range in which the torque characteristic of the engine 2 exceeds the transmission limit value, thus charging a battery 8 by the amount of torque which exceeds the transmission limit value.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004230671-A (JP)
Title: Image processing method
Inventor: KATSUMA MAKOTO
IPC: G06T5/00
Filed: 2003-01-29
Abstract: <P>PROBLEM TO BE SOLVED: To provide an image processing method which realizes linear gradation expression of a density characteristic by binarization through error diffusion even when an ink discharge amount from a recording head varies, can realize high-quality image formation with a superior gradation characteristic, and further realizes high-speed processing by a simple and inexpensive configuration.  <P>SOLUTION: At the time of converting multi-value image data to image data for forming pseudo halftone images through an error diffusion process, the value of each pixel of the multi-value image data is binarized, the error brought about by the binarization is outputted, and corrected according to an ink discharge characteristic of an inkjet recording head used for the pseudo halftone images. The corrected error is fed back to the error diffusion process of the next pixel.  <P>COPYRIGHT: (C)2004,JPO&NCIPI