baber/WOPTO huggingface dataset:
Patent JP-2005184087-A (JP)
Title: Digital compound machine
Inventor: TAKAHASHI YUJI
IPC: B41J29/38
Filed: 2003-12-16
Abstract: <P>PROBLEM TO BE SOLVED: To provide a digital multi-functioned machine that does not give neither an operator nor the operator of information equipment a feeling that they had to wait for a long time even if the execution of a copy job competes with that of a printer job.  <P>SOLUTION: The digital compound machine comprises a first unit for image-processing data inputted from the outside, a second unit for image-processing data obtained by reading an original, and a third unit for forming an image on a recording medium. The first, second, third units are connected to one signalling channel each. Additionally, the digital multi-functioned machine has a fourth unit to which data transmitted from external information equipment are inputted, and a signalling channel that connects the fourth and first units and transmits data inputted to the fourth unit to the first unit.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005184155-A (JP)
Title: Image forming apparatus
Inventor: TANAKA YOKO
IPC: B41J29/00
Filed: 2003-12-16
Abstract: <P>PROBLEM TO BE SOLVED: To provide an easy-to-use composite machine by changing an initial setting mode according to the usage conditions of an operation section.  <P>SOLUTION: An image forming apparatus A has an auto-clear function. When for example a display operation section 3 is being fitted to the image forming apparatus A, the auto-clear function is set to a copying function, a magnification of 100%, one sheet, concentration standard, and the like. Additionally, time until returning to the initial setting mode is determined by the time-out of a first timer T1. For example, the time-out time of the first timer T1 is 5 minutes. Additionally, while the display operation section 3 has been taken out of the image forming apparatus A, the auto-clear function is set to a printer function, a magnification of 100%, one sheet, concentration standard, and the like. Additionally, time until returning to the initial setting mode is determined by the time-out of a second timer T2. For example, the time-out time of the second timer is 1 minute.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005176968-A (JP)
Title: Game machine
Inventor: IOKI SADAO
IPC: A63F7/02
Filed: 2003-12-17
Abstract: <P>PROBLEM TO BE SOLVED: To enable the players to be positively participated in the game on the other side during one jackpot by making two games coexist.  <P>SOLUTION: The game machine has the first display area 801 for offering the first variable display game, the second display area 802 for offering the second variable display game, the first starter slot 4 for starting the first variable display game, the second starter slot 5 for starting the second variable display game, the first variable prize winning device 6 for offering the first jackpot game and the second variable prize winning device 7 for offering the second jackpot game. The first and second starter slots 4 and 5 are arranged horizontally at a prescribed interval and the second variable prize winning device 7 is disposed right below the first starter slot 4 while the first variable prize winning device 6 right below the second starter slot 5.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005177054-A (JP)
Title: Armrest and chair
Inventor: UEDA NOBUYUKI
IPC: A47C7/54
Filed: 2003-12-18
Abstract: <P>PROBLEM TO BE SOLVED: To provide an armrest having a detent mechanism and freely setting a turning range of an armrest pad without making the detent mechanism restrict the turning angle of the armrest pad relative to an elbow support.  <P>SOLUTION: This armrest is provided with the armrest pad 1 for resting the elbow of a seating person, the elbow support 2 horizontally turnably supporting the armrest pad 1, and the detent mechanism formed between the armrest pad 1 and the elbow support 2 and restrictingly stopping the armrest pad 1 at a predetermined angle. The detent mechanism is provided with a stationary member 3 having a plurality of detent engagement recesses 31k around its outer circumferential face 31b and a movable member 4 turnably operated with the armrest pad 1 and having an engagement element 41k sequentially and elastically engaged with the plurality of detent engagement recesses 31k. The stationary member 3 is attached to the side of the elbow support 2 and the movable member 4 is attached to the side of the armrest pad 1.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004127320-A (JP)
Title: Schedule reception system
Inventor: MATSUSHIMA HIRONOBU
IPC: G06Q10/06
Filed: 2003-12-18
Abstract: <P>PROBLEM TO BE SOLVED: To provide a schedule reception system for relieving inconvenience of a procedure of a customer requesting change of a visit schedule, and of reducing work and cost of a gas sales company.  <P>SOLUTION: A visit date of a customer is automatically decided (S1), and annunciated to the customer by a mailed circular (S2). When the customer can not visit on the planned visit date (S3), the customer accesses a designated home page by inputting his or her ID (S5). By inputting the ID, permissible visit dates of a business center taking care of the customer are automatically presented to the customer (S7), and the customer selects and inputs a desired date therefrom (S9). The customer receives a confirmation e-mail from this schedule reception system (S11 and S13), and confirms that the request of the date change has been accepted. Visit work is distributed to a person in charge visitable on the desired visit date of the customer (S15 and S17). When the person in charge is visitable, a planned visit date controlled by a portable terminal of the person in charge is automatically updated (S19).  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2005178234-A (JP)
Title: Electronic passport and its manufacturing method
Inventor: UNO TADAO
IPC: B42D15/10
Filed: 2003-12-22
Abstract: <P>PROBLEM TO BE SOLVED: To provide an electronic passport, which effectively protects an IC chip from bending and external impact and effectively prevents the forgery by alteration done by taking an IC card or the IC chip out of the passport from developing by a structure wherein the IC card is built in a cover by strongly bonding the IC card between the cover and a cover backing sheet.  <P>SOLUTION: In this electronic passport, the IC card 4 formed by bearing a personal information recording IC chip 6 on a mounting sheet 5 is laid between the cover 2 and the cover backing sheet 3 so as to let the cover 2 hold the IC card 4 by realizing a laminating structure through the pasting-together of the cover 2, the cover backing sheet 3 and the IC card 4.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005181873-A (JP)
Title: Photographic processor
Inventor: TANAKA HIDEO
IPC: G03B27/52
Filed: 2003-12-22
Abstract: <P>PROBLEM TO BE SOLVED: To form a desired frame image in a print object image by a simplified operation.  <P>SOLUTION: A photographic processor is provided with; a setting command acceptance part 211 for accepting operator's setting commands through a keyboard 32 and a mouse 33; a frame image forming part 212 for forming a frame image having a color and a width size set by the operator on the basis of the setting commands; a frame image storage part 221 for storing the formed frame image; a compositing part 213 for reading out a frame image designated by a user from the frame image storage part 221 to composite the frame image with the print object image; and an exposure part 15 for exposing a composited image on a photographic paper P.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005191672-A (JP)
Title: Facsimile machine
Inventor: EGUCHI MASAFUMI
IPC: H04N1/00
Filed: 2003-12-24
Abstract: <P>PROBLEM TO BE SOLVED: To enable executing facsimile transmission using a different communication line without instructing by a user in a facsimile machine in which a communication error occurs, if the communication error occurs in the facsimile transmission processing in the facsimile machine connected to a LAN.  <P>SOLUTION: A main control unit 201 of the facsimile machine 120 executes a job for transmitting image data by facsimile to a predetermined destination using a fax modem 210 via a public telephone line L10. When the job is executed and if communication error occurs at only the predetermined times, e.g. 1-5 times and transmission cannot be performed, the main control unit 201 transfers the data of the job including information of the image data and the destination to the facsimile server apparatus 20 via a LAN 70, and controls the apparatus 20 to execute the job via a public telephone line L different from the telephone line L10 and the Internet 90.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005191492-A (JP)
Title: Solid imaging element and its manufacturing method
Inventor: IWABUCHI TOSHIAKI
IPC: H04N5/369
Filed: 2003-12-26
Abstract: <P>PROBLEM TO BE SOLVED: To provide a structure of a solid imaging element by which a color filter or an on-chip lens etc. can be formed in a good condition.  <P>SOLUTION: The solid imaging element 1 is composed in such a way that a wiring portion 7, where a wiring layer 6 is formed in an insulating layer 5, is located under a semiconductor layer 2 where a light receiving portion PD is formed, the color filter 3 or the on-chip lens 4 is at least formed on the semiconductor layer 2, a pad electrode 11 is buried in the semiconductor layer 2 through an insulating film 12, the pad electrode 11 is electrically connected with the wiring layer 13 through the contact layers 14, and an opening is formed on the pad electrode 11. The solid imaging element 1 is manufactured by a process that after the pad electrode 11 is formed in a recess formed in the semiconductor layer 2 through the insulating film 12, an impurity area being the light receiving portion PD is formed in the semiconductor layer 2, a wiring portion 7 is formed on the surface side of the semiconductor 2, an opening is formed on the back of the pad electrode 11, and the color filter 3 or the on-chip lens 4 is formed by using a resist applied to the back of the semiconductor layer 2.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005197779-A (JP)
Title: Communication terminal and communication system comprising the same
Inventor: ADACHI HIROAKI
IPC: H04L12/26
Filed: 2003-12-26
Abstract: <P>PROBLEM TO BE SOLVED: To reduce a dispatch ratio of on-site maintenance personnel by self-restoring a communication function even if the system abnormally stopped (freezed) due to continuous communication.  <P>SOLUTION: A terminal is provided with an Internet network connection I/F 30a to be connected to an Internet (communication) network, a data terminal connection I/F 30b to be connected to a data terminal, a communication control unit 32, an Internet network side communication control IC 31a having a buffer function for temporarily storing a signal converted from the I/F 30a, and a data terminal side communication control IC 31b having a buffer function for temporarily storing a signal converted from the I/F 30b. The unit 32 is a communication terminal for confirming the operation state of each of the ICs 31a and 31b and initializing the ICs 31a and 31b if determining an abnormality.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005196275-A (JP)
Title: Information processor, its method, program, storage medium and preflight check system
Inventor: ITO MORIKAZU
IPC: G06F3/12
Filed: 2003-12-26
Abstract: <P>PROBLEM TO BE SOLVED: To further accurately check a preflight.  <P>SOLUTION: This information processor checks the preflight. This information processor has a first input means for inputting print data, a second input means for inputting print data-related information on the print data, a determining means for determining whether or not a warning exists in at least one of the print data and the print data-related information by respectively comparing the print data and the print data-related information with warning information stored in a memory 111, a generation means for generating the warning information corresponding to the respective print data and print data-related information on the basis of a determining result by the determining means, and an output means for outputting the warning information generated by the generation means.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005172406-A (JP)
Title: Desktop-type cool breeze fan
Inventor: FUKADA MAKOTO
IPC: F24F6/06
Filed: 2003-12-08
Abstract: <P>PROBLEM TO BE SOLVED: To provide a desktop type cool breeze fan capable of reducing a size of a main body, using a disk-like water absorbing filter, capable of purifying water injected into its inside by a filtration device, capable of vaporization-diffusing the water cooled in a cooler, while pasteurization-purified inside the disk-like water absorbing filter, so as to enhance cooling action and to take health for a human body into account.  <P>SOLUTION: The main body is formed into a hollow substantial quadrangle, a laterally turnable disk pedestal is provided in its bottom part, a turnable autolouver is attached to its front part, a photocatalyst lamp is attached in a main body inside that is a rear part of the autolouver, the turnable disk-like water absorbing filter with an immersed peripheral edge is attached to a water tank part provided in a rear lower part of a fan, a water cartridge is attached to one side of rear parts thereof, a check valve is attached to a lower end of the water cartridge to provide the filtration device, the filtration device is submerged into the water tank part, aluminum cooling plates are attached to side the water tank part, the cooler and the turning fan are provided in a lower part of the water tank to be connected, and a dust protection filter is attached to a backface of the main body.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004531829-A (JP)
IPC: H04L29/06
Filed: 2002-06-20
Abstract: A system and method for intelligent caching and network management includes contextual information representing needs of a user. A contextual system determines settings based on the contextual information and determines services and devices available for the user, in accordance with the contextual information. A predictor receives the contextual information, the settings, the services available and the devices available and predicts the needs of the user to make resources available to the user in accordance with predictions.
Patent JP-2005504745-A (JP)
Title: 大環状金属錯体及び生体分子との結合体の製造のためのその使用
IPC: A61K47/48
Filed: 2002-07-18
Abstract: 本発明は大環状金属錯体並びに生体分子との結合体の製造のための製造及び使用に関する。該結合体はＮＭＲ診断及び放射性診断における造影剤として及び放射線治療のために適当である。本発明によれば高い緩和度及び緩和度の微調整は大環状環の特定の配位子形成によって達成できる。
Patent JP-2005507864-A (JP)
Title: 抗血管新生活性を有するペプチド
IPC: C07K7/06
Filed: 2002-06-20
Abstract: 血管新生から生じる又は血管新生により悪化する状態を治療するのに有用である式Ａ ０ −Ａ １ −Ａ ２ −Ａ ３ −Ａ ４ −Ａ ５ −Ａ ６ −Ａ ７ −Ａ ８ −Ａ ９ −Ａ １０ を有する化合物を記載する。また、これらの化合物を含む医薬組成物、これらの化合物を使用する治療方法、および血管新生の抑制方法を開示する。
Patent JP-2004538009-A (JP)
Title: 方法
IPC: A61K45/00
Filed: 2002-08-06
Abstract: 本発明は、ヒトＣＰＢ２遺伝子における多型と、それによりコードされる対応の新規対立遺伝子ポリペプチドに関する。本発明はまた、ＣＰＢ２遺伝子における対立遺伝子変異を解析するための方法及び材料と、ＣＰＢ２薬剤を用いた疾患の治療におけるＣＰＢ２多型の使用に関する。
Patent JP-2005500696-A (JP)
Title: 改良太陽電池
IPC: H01L31/032
Filed: 2002-08-06
Abstract: 改良太陽電池は、導電性の上位層またはメッシュと、同じく導電性の下位層またはメッシュと、ケイ素、水銀、及び硝酸銀の混合物からなる一連の中間の半導体層とによって構成される。 【選択図】図１
Patent JP-2005500796-A (JP)
Title: 誘導加熱又は融解のための電源装置
IPC: H05B6/06
Filed: 2002-08-12
Abstract: 導電性材料を加熱又は融解するための電源装置１０は、整流器１４の出力とインバータ２０の入力を横切って挿入された同調コンデンサＣ 1 を有する。同調コンデンサＣ 1 はインバータ２０の動作周波数において誘導負荷コイルＬ 9 と共振回路を形成する。追加的な改善のため、誘導負荷コイルＬ 9 はインバータ２０の出力に接続された能動コイルと共振同調コンデンサに並列に挿入された受動コイルを有しても良い。
Patent JP-2005502258-A (JP)
Title: 無線通信システムにおけるマルチパス除去のための方法及び装置
IPC: H04L1/00
Filed: 2002-08-30
Abstract: 【解決手段】 通信システムにおける事前符号化のための方法及び装置が開示される。通信システムにおいて、発信局は、事前符号化されていないパイロット信号及び事前符号化データ信号を送信する。着信局は、事前符号化されていないパイロット信号を使用して通信チャンネルを特徴付ける測定基準を推定する。測定基準は、それから、送信されるべきデータ信号を事前符号化するために使用される。着信局はまた、事前符号化データの復調のために推定測定基準を使用することができる。しかしながら、パイロット信号は、事前符号化されてないので、パイロットチャンネルの所望のマルチパスに関する測定基準は、事前符号化データチャンネルのそれとは異なり、そしてそのデータチャンネルは、復調性能を低減させ得る。データ復調のためのチャンネル推定を向上させるために、発信局は、特定のユーザ向けのデータ信号と同様な方法で事前符号化専用パイロット信号を追加的に送信することができる。
Patent JP-2005505930-A (JP)
Title: 光学要素及びその製造方法、並びにリソグラフィー装置及び半導体装置の製造方法
IPC: G03F7/20
Filed: 2002-10-02
Abstract: 【課題】基板上に多層システムを具備する光学要素の汚れを減少させることにより長有効寿命の光学要素を提供すること。 【解決手段】多層システムの少なくとも１層の層材料及び／又は層厚が、照射された動作波長の反射中に形成する定在波が、多層システムの自由界面の領域に電場強度の節（節条件）を形成するように選択されることを特徴とする。
Patent JP-2005530983-A (JP)
Title: タンパク質およびペプチドのナノアレイ
IPC: B01J19/00
Filed: 2002-10-02
Abstract: 超高解像度のパターン形成（好ましくはディップペンナノリソグラフプリンティングによって実行される）が、ナノメーターレベルの次元を有するペプチドおよびタンパク質ナノアレイを構築するために使用され得る。このペプチドおよびタンパク質ナノアレイは、例えば、その保護部分へのタンパク質の非特異的な検出可能な結合をほとんど示さない。本発明は、いかにしてディップペンナノリソグラフプリンティングが、高密度のタンパク質およびペプチドパターン（これは、生物活性および実質的な非特異的吸着を示さない）を生成するための方法において使用され得るかを示す。このようなナノアレイを含む特徴の反応性を研究するためにAFMベースのスクリーニング手順を使用し得ることもまた、本発明によって示される。この方法は、広範なタンパク質およびペプチドの構造（例えば、酵素および抗体を含む）を包含する。300nm以下の特徴が達成され得る。
Patent JP-2005514795-A (JP)
Title: 光発電セル及び光発電セルの製造方法
IPC: H01L31/042
Filed: 2003-01-02
Abstract: 【課題】   【解決手段】  光発電セルが多層基板から製造される。多層基板は一般に光発電セルがその中若しくはその上に有することに適した第１の層を含み、この層は第２の層に選択的に取り付け若しくは接合される。単一の光発電セル若しくは複数の光発電セルを形成する方法は、第１の層を第２の基板に選択的に接着する工程を有する。
Patent JP-2005529634-A (JP)
Title: 外科用インプラント
IPC: A61F2/02
Filed: 2003-01-16
Abstract: 本発明は、完全に合成起源の骨代用材料を受入れるための数個の穴を含んで成る椎間インプラントの形の外科用インプラント（１）に関する。本発明の利点は、もはや天然起源の骨代用材料の選択による感染のリスクがないこと、さらに、合成骨代用材料の物理的特性が変動（間隙率、間隙径、機械的圧力に対する耐性）にさらされないことである。
Patent JP-2005523317-A (JP)
Title: 爪の微生物病を制御するための局所用組成物の使用
IPC: A61K45/00
Filed: 2003-04-17
Abstract: 爪真菌症などの被験者の爪の微生物病を治療または予防する方法であって、有効な量のケイ酸銅を爪に局所的に投与するステップを含む方法。
Patent JP-2005522658-A (JP)
Title: フランジレスの端末部のための保持クリップを有する流体迅速コネクタ
IPC: F16L37/14
Filed: 2003-04-16
Abstract: 流体迅速コネクタは、管状の端末部を受けるようにされた貫通穴２２を有するコネクタハウジング２０を具備する。保持具１０は、前記端末部と係合するようにコネクタハウジング２０を通して横方向に設置可能である。少なくとも１つの、角度をもった端部突起を有する保持クリップ１００は、保持クリップ１００との実質的な接触なしにコネクタハウジング２０に対して前記端末部が挿入される間に、前記端末部との最終のラッチポジションに対する移動のために、保持具１０に設けられる。保持クリップ１００は、少なくとも１つの、それから延びる角度をもった突起を有する平坦な本体の形状である。好ましくは、角度をもった複数の突起が、保持クリップ１００に形成される。その保持クリップ１００は、コネクタハウジング２０と関連した保持具１０の移動と同時の移動のために、保持具１０にしっかりと固定され、又は、保持具に挿入モールドされる。
Patent JP-2005195961-A (JP)
Title: Electrophotographic photoreceptor, method for manufacturing the electrophotographic photoreceptor, electrophotographic apparatus, and process cartridge
Inventor: KAMI HIDETOSHI
IPC: G03G5/147
Filed: 2004-01-08
Abstract: <P>PROBLEM TO BE SOLVED: To provide a photoreceptor having superior wear resistance, to provide a photoreceptor which contributes to reduce photoreceptor replacement frequency in an electrophotographic apparatus and has superior releasability, to provide a long-lifetime image forming engine which causes little damage to members which come into contact with a photoreceptor around the photoreceptor, and to provide a photoreceptor, whose manufacturing cost is low and whose initial cost is low so that it can be widely supplied to a market, and to provide a photoreceptor which ensures a low printing cost per sheet.  <P>SOLUTION: In an electrophotographic photoreceptor obtained by stacking a photoreceptor top surface layer containing a cross-linkable binder resin on the photoreceptor, in which a photosensitive layer comprising a charge generating layer containing a charge generating component and a charge transport layer containing a charge transport component is formed on a conductive support directly or across an undercoat layer, the photoreceptor top surface layer has neither hydroxyl group nor residual uncured moiety.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005194430-A (JP)
Title: New manufacturing method of copolymer latex
Inventor: HAYASHI MIKINE
IPC: C08F2/22
Filed: 2004-01-08
Abstract: <P>PROBLEM TO BE SOLVED: To provide a copolymer latex which gives a coated paper excellent in pick strength and other properties and exhibits excellent operation properties in manufacturing processes of the coated paper, and a composition for paper coating.  <P>SOLUTION: The manufacturing method comprises a first step (A) for subjecting monomers of a specific composition to emulsion polymerization and a second step (B) for removing unreacted monomers by blowing in steam, where a specific chain transfer agent is added between the completion of addition of the monomers and the initiation of the second step (B).  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005197560-A (JP)
Title: Manufacturing method of gallium nitride-based light emitting diode
Inventor: RAN BUNKO
IPC: H01L21/302
Filed: 2004-01-09
Abstract: <P>PROBLEM TO BE SOLVED: To provide the structure of the ohmic contact of a gallium nitride-based light emitting diode including a digital transmission layer and an indium-tin oxide (ITO) layer, and to provide its manufacturing method.  <P>SOLUTION: A growth substrate is provided, and a gallium nitride-based semiconductor epitaxial layer is formed on the growth substrate. The gallium nitride-based semiconductor epitaxial layer is obtained by depositing an n-type gallium nitride-based contact layer, the light emitting layer, a p-type gallium nitride contact layer, and a digital transmission layer in order. Subsequently, the digital transmission layer and the p-type gallium nitride-based contact layer are dry-etched, and etching is stopped at the light emitting layer, and an n-type metal formation region is formed in the light emitting layer. Further, a first ohmic contact electrode is formed on the digital transmission layer as a p-type ohmic contact, and a second ohmic contact electrode is formed on the light emitting layer as an n-type ohmic contact. Finally, a bonding pad is formed on the first ohmic contact electrode and the second ohmic contact electrode.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005200831-A (JP)
Title: Form for attaching sub pipe of manhole and sub-pipe attaching method using it
Inventor: KATO AKIHIRO
IPC: E03F5/02
Filed: 2004-01-13
Abstract: <P>PROBLEM TO BE SOLVED: To enhance efficiency of attaching working of a sub-pipe and to reduce a risk during working.  <P>SOLUTION: A sub-pipe attaching form 1 of a manhole is composed of an upper form 8 and a lower form 2 integrated by connecting the upper form and the lower form. The upper form 8 and the lower form 2 are previously formed into a U-shape. In addition, joining piece parts 3, 3, 9 and 9 to an outer peripheral wall face of the manhole 11 are formed on both the open side ends of the upper form 8 and the lower form 2 respectively, and adhered on the outer peripheral wall face of the manhole 11 with adhesive tapes 4, 4, 10 and 10. The sub-pipe 6 is fixed with supports 7, 7 on the center of the inside of the lower form 2.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005201068-A (JP)
Title: Fuel discrimination device
Inventor: SUGIURA MAKIKO
IPC: G01N21/27
Filed: 2004-01-13
Abstract: <P>PROBLEM TO BE SOLVED: To provide a fuel discrimination device for surely discriminate kinds of fuel.  <P>SOLUTION: In the fuel discrimination device, electrodes 22a, 22b are attached to appropriate two points of the inside 2b of a lower part of a fuel tank 2. A control circuit 23 estimates electric resistances between the electrodes 22a, 22b for the case where possible kinds of fuel that can be stored in the fuel tank 2 is actually housed in the fuel tank 2, and stores the estimation results. Then, the control circuit 23 actually measures the electric resistance between the electrode 22a, 22b when the fuel F to be discriminated is stored in the fuel tank 2, and collates the actual measurement value with the estimation results, so as to determine the kind of the fuel F and output the determination result to an ECU 8 for an engine control.  <P>COPYRIGHT: (C)2005,JPO&NCIPI