baber/WOPTO huggingface dataset:
Patent JP-2003523926-A (JP)
Title: 複合ヒドロゲル薬物送達システム
IPC: A61K9/66
Filed: 1999-08-13
Abstract: (57)【要約】
混合物を形成するために相対的に疎水性の速度改変剤中にこのような治療種を最初に分散または溶解させることによって、ヒドロゲルの全体にわたる比較的低分子量の治療種の放出を制御するための、組成物および方法が提供される。混合物は、制御された様式で水溶性の治療剤を放出するように、生体吸収性のヒドロゲル中に分散されるマイクロ粒子中に形成される。治療システムにおける本発明の組成物の使用方法もまた、提供される。
Patent JP-2002523512-A (JP)
Title: エン−イン反応によるビニル置換環状生成物
IPC: C07C39/23
Filed: 1999-08-26
Abstract: (57)【要約】
本発明は、固相化学において使用するための新規中間体、その製造方法および該中間体の使用方法に関する。
Patent JP-2002524425-A (JP)
IPC: A61K38/18
Filed: 1999-09-03
Abstract: Compositions and methods are disclosed for the controlled release delivery of polypeptide growth factors. The compositions of the invention are hydrogels which comprise: a polypeptide growth factor having at least one region of positive charge; a physiologically acceptable water-miscible anionic polymer; a physiologically acceptable non-ionic polymeric viscosity controlling agent; and water.
Patent JP-2002527593-A (JP)
IPC: C08K13/02
Filed: 1999-10-04
Abstract: Described is a single or multi-layered film having at least one polyamide layer (I) containing dispersed nanoscale nucleating particles. The smallest components of the dispersed nanoscale nucleating particles in layer (I) have an extension of less than 100 nm in at least one randomly selected direction for each component, based on a weighted average of all components of the dispersed nanoscale nucleating particles. Crystalline structures emanating from the surface of the dispersed nanoscale nucleating particles are formed after the layer (I) is cooled from the molten state at a rate of from 10 to 20° C. per minute. The dispersed nanoscale nucleating particles are present in the polyamide layer (I) in an amount of from 10 ppm to 3000 ppm, based on the total weight of layer (I).
Patent JP-2002528067-A (JP)
Title: オステオプロテゲリン様タンパク質をコードする核酸およびその使用方法
IPC: A61P43/00
Filed: 1999-10-22
Abstract: (57)【要約】
オステオプロテゲリン様ポリペプチド、オステオプロテゲリン様ポリペプチドをコードする核酸、およびこれらの分子を使用する方法を開示する。このオステオプロテゲリン様ポリペプチド配列は、オステオプロテゲリンおよび腫瘍壊死因子レセプター分子に対する相同性を有する。１つの実施形態において、本発明は、単離されたポリヌクレオチドであり、このポリヌクレオチドは、配列番号１、５、７、および９からなる群より選択される配列に少なくとも８５％相同な配列を含み、ここで、このポリヌクレオチドは、６５０アミノ酸長より大きいポリペプチドをコードしない。
Patent JP-2002528614-A (JP)
IPC: F02B61/04
Filed: 1999-09-07
Abstract: Block copolyestercarbonates may be prepared by first conducting a reaction between at least one of resorcinol or an alkyl- or haloresorcinol and at least one aromatic dicarboxylic acid dichloride, preferably isophthaloyl dichloride, terephthaloyl dichloride or a mixture thereof, to produce a hydroxy-terminated polyester intermediate, and then conducting a reaction of the intermediate with a carbonate precursor, preferably in the presence of a dihydroxy compound such as bisphenol A. The products have excellent physical properties, including a high degree of weatherability. They may be blended with other polymers such as polycarbonates, poly(alkylene carboxylates), polyarylates, polyetherimides, and addition polymers to improve the weatherability thereof.
Patent JP-2002532036-A (JP)
Title: パケット交換網における待ち行列の管理
IPC: H04L47/30
Filed: 1999-11-17
Abstract: (57)【要約】
マルチポイント・ツウ・ポイント・リンクにおいて、パケット（T）は、許可（TP）に応答して、共用媒体を介して中央ノード（１０）に送信される。中央ノード（１０）は、中央ノードに保持されている待ち行列サイズのレコード（１１）にもとづいて、マルチポイント・ノード（２０）に許可を発行する。待ち行列のレコードは、マルチポイント・ノードから待ち行列サイズの報告（許可要求）（RP）を受信すると更新される。リンク全体にわたる伝送遅れのため、許可と許可要求がほぼ同時に送られると、誤った待ち行列の値が中央ノードに記録されることがある。先行する往復遅れ中に送られた許可のレコードを中央ノードが保持していると、この問題が克服されるとともに、転送能力が改善される。すべての着信する許可要求は、待ち行列のレコードを更新するために使用される前に、格納された許可の数によって調整される。
Patent JP-2002531137-A (JP)
IPC: A61P7/04
Filed: 1999-12-08
Abstract: The invention concerns glycosylated proteins having human factor VIII activity. In a preferred embodiment, the protein is glycosylated with oligosaccharides that include an alpha-(2,6)-linked sialic acid and a bisecting GlcNAc linked to a core beta-mannose.
Patent JP-2002532967-A (JP)
Title: 電話用セキュリティーシステム
IPC: H04M3/22
Filed: 1999-09-23
Abstract: (57)【要約】
企業のエンドユーザステーション（１４）と公衆交換電話ネットワーク（ＰＳＴＮ）への対応する回路との間の制御と接続アクセスのための電話セキュリティーシステム（１０）と方法に関する発明である。セキュリティー規則のようなセキュリティーポリシー（３２）が内線（２０）毎に定義され、その規則は、当該内線からの接続要求の属性のうちの少なくとも１つに基づいて動作を特定する。内線（２０）での接続要求を検出して、当該接続要求の属性を決定する。選択された接続要求に対して、その属性に基づき、当該内線（２０）に対して定義されたセキュリティー規則に従った動作が実行される。
Patent JP-2002532208-A (JP)
Title: 少なくとも一つのドレーンの保持装置
IPC: A61M25/02
Filed: 1999-12-22
Abstract: (57)【要約】
本発明は、患者の身体の人工空洞を通る少なくとも一つのドレーンまたは同等物の保持装置に関する。本発明によれば、装置は、場合によっては出る分泌物を集めるための少なくとも一つの収集室（１０）と、前記身体に固定して各収集室を囲むように構成されたベース（１１）と、ドレーンまたは同等物（２）を通すために収集室にある少なくとも一つの孔（１２）とを含み、前記孔の軸をベースの面に対して垂直にしないことによって、ドレーンを湾曲可能にしている。本発明は、胸部または腹部の外科手術に適用される。
Patent JP-2002534570-A (JP)
Title: テーパードブロックコポリマーの製造方法
IPC: C08F297/04
Filed: 2000-01-14
Abstract: (57)【要約】
  本発明は、随意にスチレンをアニオン重合させてポリスチレンのホモポリマーブロックを形成させ、イソプレンをアニオン重合させてポリイソプレンのホモポリマーブロックを形成させ、そしてスチレンとイソプレンとの混合物をアニオン重合させてテーパードコポリマーブロックを形成させることを含むテーパードブロックポリマーの製造方法であり、スチレンとイソプレンモノマーのそれぞれが、１分あたりの全テーパードブロックモノマー供給の１５重量％〜７５重量％の速度にて導入され、そしてスチレン対イソプレンの重量比が０．５：１〜１．５：１であるブロックポリマーの製造方法である。本方法は、スチレンモノマー及びイソプレンモノマーの可変サイズの小セグメントからなる特別なテーパー構造を有するスチレン及びイソプレンのテーパードポリマーブロックを含む独特なポリマーを製造する。
Patent JP-2003527727-A (JP)
IPC: H01H1/04
Filed: 2000-01-25
Abstract: The invention relates to a mechanically closing, electric microswitching contact (1) comprising two electrically conductive contact elements (7, 8) whose respective contact surfaces come into contact with one another. According to the invention, at least one of the contact surfaces is at least partially comprised of highly-doped conductive diamond, silicon carbide, gallium nitride, boron nitride, aluminum gallium nitride, and/or aluminum nitride.
Patent JP-2002536326-A (JP)
Title: 冠状動脈インターベンションに伴う心臓血管事象の予防または軽減方法
IPC: A61P9/10
Filed: 2000-02-02
Abstract: (57)【要約】
本発明は、哺乳動物、特にヒトにおける冠状動脈インタ−ベンションに伴う心臓血管事象を予防または軽減する方法であって、Ｎ−(３',４'−ジメトキシシンナモイル)アントラニル酸（Ｎ−５’）またはその医薬上許容される塩を約３００ｍｇないし約１１００ｍｇの日用量にて冠状動脈インターベンションに関連して対象に投与することを特徴とする方法を提供する。
Patent JP-2002540128-A (JP)
Title: ケラチン含有物質の強化及び構造改良のための還元化合物の使用
IPC: A61Q5/08
Filed: 2000-03-08
Abstract: (57)【要約】
【解決手段】  本発明の対象は、原子団−（ＨＯ）Ｃ＝Ｃ（ＯＨ）−を含む還元脂肪族又は環状化合物（その異性体の形態、並びにその塩及びエステルを包含する）による、ケラチン含有物質の硬化、強化及び構造改良（再構成）のための、並びに、ケラチン含有繊維、特に人間の毛髪のボリューム増加のための調合物への使用、及び、ケラチン含有物質の硬化、強化及び構造改良（再構成）のための方法、及び、ケラチン含有繊維のボリューム増加のための方法である。
Patent JP-2002542922-A (JP)
IPC: B01D35/02
Filed: 2000-05-03
Abstract: A filter assembly is provided having a housing defining a housing edge. A tapping plate is also provided and is generally circular in shape. The tapping plate defines a tapping plate edge and includes a fluid inlet port and a fluid outlet port. Preferably, the at least one fluid outlet port is a central threaded aperture to enable the filter assembly to be secured to a filter mount of an engine. An interconnecting device is included for interconnecting the housing and the tapping plate. The interconnecting device further retains an external seal generally about the tapping plate edge. The external seal is an economically formed lathe-cut gasket and the interconnecting device includes a first and second extension member. The first extension member is formed integrally with the tapping plate at the tapping plate edge. The second extension member is formed integrally with the housing at the housing edge. The second extension member extends substantially around the first extension member, thereby providing a seamless interconnection and a generally flat surface for retaining the lathe-cut gasket. Alternatively, the interconnecting device includes a seal support tray. The seal support tray is generally U-shaped and includes opposing first and second legs. The first and second legs arc positioned adjacent the lathe-cut gasket. The second extension member extends substantially around the first extension member and the first leg of the seal support tray, thereby providing an interconnection impervious to fluid leakage.
Patent JP-2002544144-A (JP)
Title: イソチアゾロンの安定化
IPC: A61K47/22
Filed: 2000-05-05
Abstract: (57)【要約】
本発明は広スペクトルの保存特性を有する高度に安定な処方物を提供する。この処方物はジアルカノール置換ジメチルヒダントインと一つ又はそれ以上のイソチアゾロン化合物とヒダントイン安定剤とヒドロキシル溶媒との混合物である。この処方物は約４〜８のｐＨ範囲で高度に安定である。好ましくは、活性成分はジメチロールジメチルヒダントイン、クロロメチルイソチアゾロンおよびメチルイソチアゾロンであり、そして安定剤はジメチルヒダントインである。この処方物は0.2％未満の遊離ホルムアルデヒド含分を有し、そして、イソチアゾロンがカチオン塩の存在下で安定であるところのｐＨ範囲よりも酸性でないｐＨ範囲を要求する家庭用および工業用製品および特に身体ケア用製品を含めた様々な水性組成物を保存するのに有益である。
Patent JP-2003500032-A (JP)
Title: 後肢で吊った屠殺済み食用獣の前肢を位置決めするための方法及び装置
IPC: A22B7/00
Filed: 2000-05-17
Abstract: (57)【要約】
後肢（２）で吊った屠殺済み食用獣（１）の前肢（５）を、位置決め手段（６）を前肢（５）に係合させて所望の位置へ前肢（５）を運ぶように位置決め手段（６）を移動させることによって、位置決めするための方法。本発明は、また、このような方法を実行するための装置に関する。この装置は、食用獣（１）の前肢（５）を所望の位置へ移すための位置決め部材（１３）を備える加工ステーション（８）からなり、位置決め手段（６）の制御は、自動加工ステーション（８）の制御に結合される。
Patent JP-2003500811-A (JP)
Title: 回路装置
IPC: F21Y103/37
Filed: 2000-05-01
Abstract: (57)【要約】
ブリッジインバータを有し、高周波電流でランプを点灯させる安定器回路において、予備加熱及び点弧中に、ランプ電極の両端間の電圧を用いて、電極の温度を監視してブリッジインバータの発振周波数を制御する。
Patent JP-2002205695-A (JP)
Title: Loaded material ejection throw-away device
Inventor: KANO KAZUO
IPC: B64D37/12
Filed: 2001-01-11
Abstract: PROBLEM TO BE SOLVED: To provide a loaded material ejection throw-away device capable of dissolving defectiveness caused by restrictions on handling of powder, degradation or the insufficient transmission of expansion force in a conventional device wherein ejection throw-away was performed by the explosive expansion force of powder in relation to the loaded material ejection throw-away device for dropping the loaded material loaded on an aircraft. SOLUTION: This loaded material ejection throw-away device comprises springs 1; spring presser members 2 for holding the springs 1 in a contracted state or an elongated state; switches 4 using a shape memory alloy for restoring the spring presser members 2 by the heating temperature based on an electric signal from the aircraft; and pistons 6 sliding in a pylon 01 by the elongation of the springs 1. Work efficiency can thereby be improved at a low cost, and the drop of the loaded material can be made highly reliable.
Patent JP-2002216602-A (JP)
Title: Temperature fuse
Inventor: KONO TOKUJI
IPC: H01H37/76
Filed: 2001-01-15
Abstract: PROBLEM TO BE SOLVED: To provide a temperature fuse with stable fusing temperature. SOLUTION: The temperature fuse is characterized by that it is provided with a fusing alloy 11 containing tin and a pair of lead conductors 12 respectively-connected with both ends of the fusing alloy 11, and that a tin plating with thickness of 14 μm or less or a tin-based alloy plating 12a is provided on the surface of the lead conductors 12.
Patent JP-2002216353-A (JP)
Title: Pre-pit detection device
Inventor: TANAKA JUNJI
IPC: G11B27/30
Filed: 2001-01-15
Abstract: PROBLEM TO BE SOLVED: To provide a pre-pit detection device that can generate good radial push-pull signals even when the difference between the amplitudes of the first and the second read signals exceeds the dynamic range of voltage controlled amplifier. SOLUTION: A light beam is radiated to the information track of an optical record medium on which a pre-pit carrying pre information is formed and a light receiving part receives the reflected light of the light beam. The first and the second read signals that are generated based on the output electric signals from the light receiving part that is divided into two parts by a dividing line at least optically parallel with the aforementioned information track are inputted to a push-pull circuit. The amplitude difference between the first and the second signals is calculated, and the amplitudes of the first and the second read signals are equalized (corrected) so that the both amplitudes approach each other. A difference calculation is performed between the first and the second read signals when their amplitudes accord and the said pre-pit is detected based on the difference signal.
Patent JP-2002216569-A (JP)
Title: El sheet-attached key top device
Inventor: NAOI YASUSHI
IPC: H01H13/02
Filed: 2001-01-15
Abstract: PROBLEM TO BE SOLVED: To improve the durability of an EL sheet in an EL-sheet-attached key top device. SOLUTION: The EL(electroluminescent)-sheet-attached key top device has the EL sheet A having through-holes, through which the key tops are integrally arranged by insert molding. Marks for individual identification are formed on the key tops, or marks for individual identification visually identifiable through the key tops are formed on one side, or between the one side and another side, of the EL sheet, when the key tops are transparent.
Patent JP-2002210564-A (JP)
Title: Method for welding coated plate
Inventor: TAKAHASHI SHIGEJI
IPC: B23K11/11
Filed: 2001-01-18
Abstract: PROBLEM TO BE SOLVED: To provide a welding method with which welding mark and pressing mark are not generated on a coated plate and a beauty appearance is not damaged. SOLUTION: A reinforcing plate (plate material) 3 is piled on the non-coated surface of a metallic tool (coated plate) 2, applied with a heat-resistant coating on the side surface, and a positive and a negative electrodes 10, 11 in an electric resistance welding machine, are abutted on the reinforcing plate 3, and a spot- welding is applied by supplying the electric power while pressurizing.
Patent JP-2002210476-A (JP)
Title: Fluid processor
Inventor: MURAHASHI TOSHIYUKI
IPC: C02F1/68
Filed: 2001-01-19
Abstract: PROBLEM TO BE SOLVED: To provide a fluid processor which is not influenced by varying factors, such as area characteristics and seasonal variation, and detects the time for replacement of an inexpensive electrolyte. SOLUTION: This fluid processor is provided with: an electrode part which is so designed that a fluid such as tap water or fluids which have been purified can pass the spacing between positive and negative electrodes; an electrolyte addition port which is disposed in the water passage before the electrode part and which is used for adding an electrolyte in order to change the magnitude of the electric conductivity of the fluid by mixing in the fluid; and a memory device which stores the measured value of the electric resistance of the spacing between the electrodes.  The fluid processor which is not influenced by varying factors, such as the area characteristics and seasonal variation but moreover detects the time for replacement of the inexpensive electrolyte can be provided by detecting the necessity of electrolyte replacement by the continuation of the equilibrium state of the stored measured value for a prescribed period.
Patent JP-2002220776-A (JP)
Title: Electroconductive net
Inventor: KITAGAWA HIROSHI
IPC: D04H3/14
Filed: 2001-01-23
Abstract: PROBLEM TO BE SOLVED: To obtain a reliable water-sealing sheet for waste disposal sites, enabling water leakage to be readily sensed by using a net with electroconductivity. SOLUTION: This net >=100 g/m2 in basis weight characterized by having electroconductivity is obtained by mutually superposing in a net state a number of eletroconductive continuous filaments each 0.1-1.5 mm in thickness made from a thermoplastic synthetic resin containing 10-40 mass% of carbon black 0.1-5 μm in average particle size and then fused bonding at the intersecting points to effect integration of the filaments.
Patent JP-2002223546-A (JP)
Title: Stator with overheat protector with brush device
Inventor: YAGI KATSUNORI
IPC: H01R39/415
Filed: 2001-01-24
Abstract: PROBLEM TO BE SOLVED: To provide a stator having overheat protector with a brush device capable of positively preventing overheating of a starting motor. SOLUTION: The brush device 50 of the stator with an overheat protector is provided with a brush holder 54, a brush 57 supported slidably in the brush holder 54, a spring 59 coming into contact with one surface of the brush 57 to press the brush 57 inward in the radial direction, and a thermostat 12 disposed on the brush 57 and shuts off energizing the starting motor from a power source, when the temperature of the brush 57 exceeds a prescribed temperature by the passage of electric current through the starting motor from the power source in an on state of a start switch.
Patent JP-2002221903-A (JP)
Title: Label, label issuing device, metering label issuing device and merchandise information display
Inventor: HASEGAWA TAKENORI
IPC: G09F3/00
Filed: 2001-01-25
Abstract: PROBLEM TO BE SOLVED: To eliminate that a label attached to a commodity of fixed price sale gives a customer misunderstanding that the commodity is not sold at the fixed price. SOLUTION: The label L1 is the label to be attached to the commodity of fixed price sale and a fixed selling price of the commodity, a unit price based on the fixed selling price and display showing that the commodity is sold at the fixed price sale, are printed thereon. The commodity of the fixed price sale is sold at a fixed price independent of quantity of the commodity.
Patent JP-2002232510-A (JP)
Title: Internet facsimile equipment
Inventor: TORIYAMA YOSHIAKI
IPC: H04N1/00
Filed: 2001-01-30
Abstract: PROBLEM TO BE SOLVED: To provide Internet facsimile equipment that can connect pleasantly with an ISP(Internet Service Provider) to transfer data thereto and efficiently reduce the communication cost. SOLUTION: In the Internet facsimile equipment that makes dialup connection to the ISP to transmit/receive a facsimile document via the Internet, a communication control section 18 stores a preceding communication speed and a preceding communication standard by which the facsimile equipment has been connected to the ISP at a highest connection rate to a parameter memory 14 and a CPU 11 controls the connection of the communication control section 18 such that the communication control section 18 makes a connection to the ISP at a lower communication speed lower than the connection rate stored in the parameter memory 14 at the succeeding connection control to the ISP or with a proper communication standard when the connection to the ISP exceeds the setting time or is failed.
Patent JP-2002232505-A (JP)
Title: Communication system and its program
Inventor: MURAKAMI KEIGO
IPC: H04L1/00
Filed: 2001-01-31
Abstract: PROBLEM TO BE SOLVED: To provide a communication system that can easily realize a unidirectional communication system without the need for changing a structure of 2-way communication and to provide its program. SOLUTION: The communication system is provided with an information division means (S2) that divides transmitted information into at least information of one transmission unit, a check information attaching means (S3) that attaches check information consisting of a size of division information, a transmission sequence and a check sum to the divided information, a transmission means (S5) that transmits the divided information and a transmission history storage means (S8) that stores the transmitted information as a transmission history.
Patent JP-2002224858-A (JP)
Title: Joining method for different thickness joint
Inventor: MATSUMOTO KOICHI
IPC: B23K103/10
Filed: 2001-01-31
Abstract: PROBLEM TO BE SOLVED: To provide a joining method for a different thickness joint by which a joint having high strength is obtained by friction stir welding. SOLUTION: An aluminum alloy plate 1 and an aluminum alloy plate 2 are provided by butting on a surface plate 3 in which a difference in level is provided. A height of the difference in level which is provided in the surface plate 3 is designed so as to coincide with a difference in the plate thickness between the aluminum alloy plates 1 and 2, the aluminum alloy plate 1 is provided in the lower side of the difference in level and the aluminum alloy plate 2 is provided in the upper side of the same, surfaces of the aluminum alloy plates 1 and 2 are formed into a uniform height by providing the aluminum alloy plate 2 in the upper side, and one plane is formed.  Next, a tool 10 for FSW is rotationally press fitted into a place which is shifted to the aluminum alloy plate 1 side from the butting part of both aluminum alloy plates 1 and 2 as aiming position of the pin part 11, and friction stir welding is performed so that it traverses the aluminum alloy plates 1 and 2.
Patent JP-2002230289-A (JP)
Title: Preliminary examination system for automobile loan
Inventor: INO RYOICHI
IPC: G06Q40/00
Filed: 2001-02-05
Abstract: PROBLEM TO BE SOLVED: To provide a preliminary examination system for automobile loan to simplify the procedure for an automobile loan, to shorten the time therefore, and to make an illicit loan preventable. SOLUTION: A recording medium stored with price reasonability examinining information comprising a content of items for examinining reasonability of an automobile price and information required for the examination, loan credibility examining information comprising a content of items for examinining loan credibility and information required for the examination, prepared respectively by a server company, and respective examination programs therefor is attached to a computer terminal equipment 3, the items for examining the reasonability of the automobile price, and the items for examining the load credibility are displayed on a terminal screen by an operation of the terminal equipment 3, required information in the examination items is accelerated to be input, the input information is examined on the computer terminal equipment 3,  a examination result therein is displayed on the terminal screen, is transferred from the computer terminal equipment 3 to a server 1 via a communication line, and the result is thereby transferred from the server 1 to the loan company via the communication line.
Patent JP-2001281109-A (JP)
Title: Device for measuring rotational frequency and torque on driven axle for wheel of automobile and simulating running state
Inventor: NORRES RICHARD
IPC: G01L3/22
Filed: 2001-02-05
Abstract: PROBLEM TO BE SOLVED: To measure a rotational frequency and a torque, and to simulate a flow characteristic of an automobile and sound concentration action of the automobile in a wind tunnel, vibration analysis, noise generation, and material stress in an extreme condition relative to the automobile equipped with conventional wheels, by improving a device having a drive axle and one or more electric machines equipped with a rotor and a stator, in which a rotor axle of the electric machine is mechanically coupled with the drive axle and the drive axle is mechanically coupled with a driven axle for wheels through a releasable coupling part, relative to a device for measuring the rotational frequency and the torque of the driven axle for the wheels and simulating the running state. SOLUTION: The drive axle 4 is enclosed by a stator ring 8 concentric to the drive axle in a well-known form, and the stator 6 is fixed to the stator ring 8 in a well-known form, and the circumferential surface of this device 1 has a roughly rotationally symmetric automobile wheel shape, and the device is imbedded in a wheel housing 9 of the automobile A.
Patent JP-2002236727-A (JP)
Title: Seat management system
Inventor: KIHARA SHIRO
IPC: G06Q50/30
Filed: 2001-02-08
Abstract: PROBLEM TO BE SOLVED: To manage a reserved seat of a train, etc., by using a portable telephone set using a non-contact type IC card. SOLUTION: In this seat management system provided with a portable telephone set 60 having a non-contact type IC card carried by a passenger, a seat 70 for a reserved seat having a non-contact type IC card reader, a reservation management host 90 connected to the telephone set 60 and the seat 70 through a network 80, the non-contact type IC card reader 71 receives reserved seat reservation information previously registered in a non-contact type IC card of the portable telephone set in accordance with the approach of the portable telephone set, checks the suitability of the reserved seat reservation information, transmits the reserved seta reservation information to the management host when the suitability is confirmed, the reservation management host 90 updates seat state data in a reserved seat management information database 110 on the basis of the transmitted reserved seat reservation information, and a passenger who takes a seat is regarded as subjected to automatic ticket inspection by the update of the seat state data.