baber/WOPTO huggingface dataset:
Patent JP-2005531462-A (JP)
IPC: B62D25/14
Filed: 2003-07-02
Abstract: The motor vehicle structural element ( 3 ) comprises a cross-member ( 4 ) and, at at least one end ( 5 ) of the cross-member, a first nut ( 10 ) presenting a tapped bore ( 14 ) for receiving a screw ( 11 ) for fastening the cross-member to an upright ( 2 ) of the vehicle, the axis of the tapped bore being substantially parallel to the director line (L) of the cross-member. The element further comprises a first cage ( 20 ) for preventing the nut ( 10 ) from turning about the axis of its tapped bore, the first cage ( 20 ) being mounted at said end ( 5 ) of the cross-member, and the nut ( 10 ) being capable of moving in the first cage in translation substantially perpendicularly to the axis of its tapped bore.
Patent JP-2005532562-A (JP)
IPC: G01N27/327
Filed: 2003-07-04
Abstract: A non-mediated enzyme electrode comprises a base substrate (2) on which is provided an electrically conductive base layer (8) comprising finely divided platinum group metal or oxide bonded together by a resin; a top layer on the base layer (8), the top layer comprising a buffer. A catalytically active quantity of an oxidoreductase enzyme is provided in at least one of the base layer and the top layer. The invention also provides a biosensor (20) which includes an enzyme electrode, and methods of manufacturing the enzyme electrode and biosensor.
Patent JP-2005533550-A (JP)
Title: 電気信号を使用する測定・刺激装置
IPC: A61B5/05
Filed: 2003-07-03
Abstract: 本発明は、電気信号を使用する測定・刺激装置に関する。測定・刺激装置は、導電性物質製の少なくとも二つの導電体と、これらの少なくとも二つの導電体にそれぞれ電気信号を伝達する接続部と、少なくとも二つの導電体へテスト電気信号を送信し、少なくとも二つの導電体からテスト電気信号に対応する測定電気信号を受信し、少なくとも二つの導電体へ人体電気信号を送信する制御部とを備える。
Patent JP-2006514918-A (JP)
Title: キナーゼインヒビターとしてのピラゾロピリミジン
IPC: A61P15/08
Filed: 2003-07-21
Abstract: 本発明は、一般にキナーゼの阻害剤、さらに具体的には新規のピラゾロピリミジン化合物に関する。
Patent JP-2006500518-A (JP)
Title: 調節駆動装置
IPC: E05F11/48
Filed: 2003-08-04
Abstract: 本発明は、調節駆動装置であって、回転可能に支承された、トルクを生ぜしめるためのディスクロータ（１）を有する電磁石式のエネルギー変換器と、ディスクロータ（１）を被駆動部材（５）に連結するための、ディスクロータ（１）に後置接続された変速伝動機構（３，３′）と、被駆動側で調節駆動装置に導入されたトルクの作用を受けて被駆動部材（５）の運動をロックするロック機構とを有する形式のものに関する。本発明によれば、前記ロック機構がコイルスプリング（４）を有していて、該コイルスプリング（４）が、変速伝動機構（３，３′）及び／又はディスクロータ（１）の外周部に延在している。
Patent JP-2006506302-A (JP)
IPC: B32B17/10
Filed: 2003-09-11
Abstract: A transparent TiO2 layer (40) on the fire protection layer (30) reduces the incidence of UV radiation on this layer (30).
Patent JP-2006508762-A (JP)
Title: 透析カテーテルセットおよびこれを使用する方法
IPC: A61M1/28
Filed: 2002-12-04
Abstract: カテーテルセット（１００）および使用方法が、提供される。このセットは、挿入部（３０）を備え、この挿入部（３０）は、カテーテル（１０）内の内部環状空間の大部分を占める。カテーテル（１０）と挿入部（３０）との間には僅かな空間のみが残され、ここは、ヘパリン化生理食塩水で満たされる。この挿入部および生理食塩水は、フィブリン、タンパク質および他の物質がカテーテル内へ集合することを防ぎ、このことは、ＰＤ治療開始前にカテーテルが１〜６ヶ月の間患者内に留まる、段階的モンクリーフおよびポポビッチ（Ｓｔｅｐｗｉｓｅ  Ｍｏｎｃｒｉｅｆ  ａｎｄ  Ｐｏｐｏｖｉｃｈ）（ＳＭＡＰ）カテーテル挿入において特に有用である。
Patent JP-2006510310-A (JP)
Title: マルチメディアメッセージ処理サービスのための方法及びシステム
IPC: H04L29/08
Filed: 2003-12-17
Abstract: 本発明は、通常はメッセージの開始部分であるマルチメディアメッセージの一部がモバイル端末に予め送信及び格納されることを可能にする。ユーザがメッセージの閲覧を所望するとき、ローカルに格納されているメッセージ部分が即座に再生されると同時に、モバイル端末にあるユーザエージェントがストリーミング技術を利用して、残りのコンテンツを取得するためメディアサーバにアクセスする。これにより、再生には認識可能な遅延はほとんど発生しないため、メッセージ全体がローカルに格納されているという印象をユーザに与えることができ、より良好なユーザ体感を提供することができる。コンテンツのダウンロードされる部分は、マルチメディアメッセージ全体の一部、あるいは宣伝として第三者により提供される無関係のリッチメディアメッセージとすることができる。このようにして、モバイル端末上のローカルな記憶スペースの利用がより効率的なものとなるであろう。
Patent JP-2006511738-A (JP)
IPC: E05B47/06
Filed: 2003-12-18
Abstract: The locking device comprises a coupling element ( 5 ). It can be brought into a first and a second coupling condition in an electronically controlled manner by drive means moving the coupling element. A drive-off element ( 4 ) can be connected to locking means. In the first coupling condition, the rotor is decoupled from the drive-off element in the sense that no direct coupling via the coupling element or an other coupling means is present that would mean that the rotation of the rotor would cause a movement of the drive-off element. In the second coupling condition, the coupling element couples the drive-off element with the rotor ( 2 ), which may be operated by means of a key, door handle, door knob or similar means, or by an electrical actuation.
Patent JP-2006510942-A (JP)
Title: ディスプレイ領域外の複数の測定ピクセルに関する測値に基づく直流電圧補償を備えるアクティブ・マトリックス・ディスプレイ・デバイス
IPC: G09G3/36
Filed: 2003-12-08
Abstract: 反転極性駆動電圧を使用して駆動される複数のディスプレイ・ピクセル（２５）のアレイを備えたアクティブ・マトリックス・ディスプレイ・デバイス、詳細には液晶ディスプレイ・デバイスには、これらのピクセル（２５）の、例えばキックバック効果による直流電圧レベルを表す測値を提供し、かつ、あらゆるディスプレイ・アーテファクトを補償するために、直流電圧レベルの測値に応じてピクセル駆動電圧を修正するための修正手段（４０、５５）が含まれている。修正手段は複数の測定ピクセル（４０）を有しており、各測定ピクセルは、ピクセル・アレイ（４５）の少なくとも１つの辺に沿った間隔を隔てた位置に配置された１つまたは複数のダミー・ディスプレイ・ピクセルを有している。これらのダミー・ディスプレイ・ピクセルは、それらの近隣におけるこれらのディスプレイ・ピクセルの挙動を表す独立した測値を供給している。したがって修正手段は、例えばアレイ全体にわたるピクセル直流レベルの変化を考慮することができる。
Patent JP-2006511870-A (JP)
Title: メディアリソースに関する要求のリソース割り当てアウェア待ち行列作成
IPC: G06F11/00
Filed: 2003-12-16
Abstract: メディアリソースに関する要求のリソース割り当てアウェア処理が開示される。待ち行列が規定される。メディアリソースが、待ち行列に割り当てられる。メディアリソース要求が、待ち行列に関連付けられる。
Patent JP-2006506443-A (JP)
Title: 形質転換成長因子（ｔｇｆ）阻害剤としての新規なイソチアゾール及びイソキサゾール化合物
IPC: C07D417/14
Filed: 2003-09-12
Abstract: 本発明は、それらの誘導体を含む新規なイソチアゾール及びイソキサゾール化合物、それらの調製のための中間体、それらを含む医薬組成物及びそれらの医学的使用に関する。本発明の化合物は、形質転換成長因子（“ＴＧＦ”）−Ｐシグナル伝達経路の強力な阻害剤である。当該化合物は、例えば癌及び線維性疾患を含むＴＧＦ−β関連疾患症状の治療に有用である。
Patent JP-2006196281-A (JP)
Title: Scanning electron microscope and its photographing method
Inventor: HONDA TOSHIFUMI
IPC: G01N23/225
Filed: 2005-01-13
Abstract: <P>PROBLEM TO BE SOLVED: To make reduction in time for photographing images and high image quality photographing compatible in a scanning electron microscope for measurement, inspection, and defect review or the like of semiconductor wafers.  <P>SOLUTION: By photographing a low magnification image using a large beam current, and by photographing a high magnification image using a small beam current, control amount for correcting brightness changes, focal deviations, alignment deviations, and view field deviations of photographing caused due to the changes in the beam currents are stored in advance in a memory in the whole control system 118, and by correcting the beam currents whenever these are switched, photographing of the images is enabled without adjustment work after having switched the beam currents. Furthermore, the time for switching the currents is shortened by installing an aperture 801 in the irradiation route of the electron beam.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2006192684-A (JP)
Title: Thermal transfer image receiving sheet
Inventor: OMATA TAKENORI
IPC: B32B27/32
Filed: 2005-01-13
Abstract: <P>PROBLEM TO BE SOLVED: To provide a thermal transfer image receiving sheet, due to the lowering of the conductivity of which the sensitivity for accepting dye in an image accepting layer can be heightened.  <P>SOLUTION: In this thermal transfer image receiving sheet 1, a heat insulating barrier 5 and the image accepting layer 7 are formed on a support sheet 2 under the condition that the heat insulating barrier 5 is made of a blend of a crystalline hydrocarbon resin and a resin incompatible therewith or a blend of the crystalline hydrocarbon resin and an organic base or inorganic base filler incompatible therewith.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2006194361-A (JP)
Title: Screw compressor bearing device
Inventor: UCHIDA AKIRA
IPC: F16C19/18
Filed: 2005-01-14
Abstract: <P>PROBLEM TO BE SOLVED: To provide a screw compressor bearing device constructed to be less likely to cause an error in an assembling direction while suppressing the degradation of fatigue life without increasing the axial size and allowing easy installing work in a screw compressor.  <P>SOLUTION: Among ball rows 19a, 19b constituting a double row ball bearing 17, the ball row 19a on the load side has a large contact angle α and the ball row 19b on the counter load side has a small contact angle β. Balls 10, 10 to be incorporated in the ball rows 19a, 19b have the same diameter. An outer ring 13a is integrated therewith and an inner ring 15a is formed by combining inner ring elements 18, 18 which have inner ring raceways 14, 14 on the outer peripheral faces, respectively, and are formed separately. This construction solves the above issue.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2005157396-A (JP)
Title: Image output apparatus and method of controlling same
Inventor: HONMA KOICHI
IPC: G02B26/12
Filed: 2005-01-14
Abstract: <P>PROBLEM TO BE SOLVED: To shorten the first-page printing time of a laser beam printer.  <P>SOLUTION: When a printer receives print data in the form of PDL, commands are analyzed and intermediate data are stored in a page buffer 102. Rotation of a polygon mirror is started at this time by a scanner pre-rotation command unit 107, after which bitmap data are expanded by a bitmap expanding processing unit 103 and are printed.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2006196126-A (JP)
Title: Focus-controlling method of optical disk and optical disk device
Inventor: ASHIDA AKIHIRO
IPC: G11B7/09
Filed: 2005-01-17
Abstract: <P>PROBLEM TO BE SOLVED: To shorten adjustment time while keeping practical precision when a focus offset value is set to a disk capable of recording data on its land part and groove part.  <P>SOLUTION: A focus offset value, which is a target value at the time of focus control, is changed in a prescribed range. Under each focus offset value, recorded signals are reproduced from a prescribed section 33 including the land part 31a and groove part 31b of an optical disk, and the reproduced signals 34 are averaged across the prescribed section. A focus offset value (F<SB>0</SB>) 43 having the best qualities of the averaged reproduced signals is found, and the found focus offset value is set as the common target value of the land part and groove part to perform focus control.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2006192834-A (JP)
Title: Separating film
Inventor: HIDA HIROSHI
IPC: B32B27/32
Filed: 2005-01-17
Abstract: <P>PROBLEM TO BE SOLVED: To provide a separating film which, when used as the separating film of the cure process in the manufacture of FPC, can satisfy both the low transfer property and the high filling-up property.  <P>SOLUTION: The separating film is used for covering, in the cure process of the manufacture of a flexible printed circuit board in which a copper-clad laminate board laminated with a coverlay is exposed to a high temperature and high pressure and the coverlay adhesive is heat-cured, and is used for covering the above copper-clad laminate board. At least its surface layer consists of a polypropylene resin or a blend resin of a polypropylene resin and a polyethylene resin having a melt flow rate of ≤2.0 (g/10 min, 230°C, JIS K7210).  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2006200550-A (JP)
Title: Flange and pipe with flange
Inventor: YAMADA ISAO
IPC: F16L23/04
Filed: 2005-01-18
Abstract: <P>PROBLEM TO BE SOLVED: To provide a flange suitable to use in environment to which a person can hardly approach, adaptable to a plurality of clamp systems, and to provide a pipe with the flange.  <P>SOLUTION: The flange 11 is formed at the end of the pipe 10, and it has an inclined face 17 on the opposite side of the joint face for a chain clamp device. A joint portion between the face on the opposite side of the joint face and the outer peripheral face of the flange has a round curved face 16 with no angle. Outside the joint face of the flange, a ring-like protruded portion 12 is provided of a thickness of half or less of that of a seal. Inside the joint face of the flange, a ring-like recessed portion 14 is provided to which the seal for a pipe connection device is fitted. Further inside the recessed portion 14, a ring-like recessed portion can be provided for a connection pipe of the pipe connection device. According to the flange, a plurality of standards of seals or connection types can be used with the same flange, as necessary, thus reducing cost for the device and greatly improving work efficiency for inspection or maintenance.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2006202525-A (JP)
Title: Connection structure of connector to circuit board
Inventor: NAKANO TAKEHIDE
IPC: H01R12/71
Filed: 2005-01-18
Abstract: <P>PROBLEM TO BE SOLVED: To avoid the formation of an unnecessary part on a connector and to prevent the increase of a size of a circuit board when using different connectors on common circuit boards depending on a purpose of use.  <P>SOLUTION: A threaded hole 8a is used for screwing connectors 4, 5, and threaded holes 8b, 8c are formed in a position at a predetermined distance from the threaded hole 8a. This dispenses with the formation of two threaded holes for the connectors 4, 5, thereby preventing the increase of the size of the circuit board 1. Depending on the purpose of use, that is, for a luxury car or a general car, the use of either one of appropriate connectors 4, 5 is enough, so that the molding of resin for the connector and the formation of a terminal on the resin are not needed.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2006202937-A (JP)
Title: Laminated capacitor and molded capacitor
Inventor: HIDAKA AKIO
IPC: H01G4/232
Filed: 2005-01-20
Abstract: <P>PROBLEM TO BE SOLVED: To provide a laminated capacitor and a molded capacitor which are capable of realizing high withstand voltage characteristics without any impediments to their size reduction and capacitance enhancement.  <P>SOLUTION: The laminated capacitor 1 is equipped with a laminate 20 composed of the laminated dielectric boards 2 where split internal electrodes 3 and 5 are formed on their main surfaces, and a capacitive component is generated between the opposed internal electrodes 3 and 5. The split internal electrodes 3 and 5 on the main surfaces of the dielectric boards 2 are set large in the number of their split parts at a part of the laminate 20 where a voltage stress is mainly imposed or, for instance, at the center of the dielectric boards 2 of the laminate 20 in the direction of lamination.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2006199621-A (JP)
Title: Attractant of kakivoria flavofasciata
Inventor: ANDO SATORU
IPC: A01N37/02
Filed: 2005-01-20
Abstract: <P>PROBLEM TO BE SOLVED: To provide an attractant exhibiting high attracting effects on Kakivoria flavofasciata which is known as a main pest insect of persimmon, and useful for knowing the emergence condition thereof.  <P>SOLUTION: The attractant of the Kakivoria flavofasciata contains (4E,6Z)-4,6-hexadecadienyl acetate and (4E,6Z)-4,6-hexadecadienal. The attractant of the Kakivoria flavofasciata preferably contains (4E,6Z)-4,6-hexadecadien-1-ol besides them.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2006198729-A (JP)
Title: Growth controlling method and device
Inventor: HIBINO HIROKI
IPC: B82B3/00
Filed: 2005-01-20
Abstract: <P>PROBLEM TO BE SOLVED: To enhance positional controllability and size uniformity of a very small structure without going through a complicated processing process at a high cost.  <P>SOLUTION: A second substance is deposited on a substrate made of a first substance to form a two-dimensional surface phase 11 for regularly arraying steps (S2). By arranging a third substance on the two-dimensional surface phase 11, liquid droplets including the third substance are arrayed on the two-dimensional surface phase 11 (S3). By crystallizing a liquid droplet island 21, the very small structure 22 is formed (S4).  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2006200641-A (JP)
Title: Vibration-resistant constant velocity joint
Inventor: OBA HIROKAZU
IPC: F16F15/12
Filed: 2005-01-21
Abstract: <P>PROBLEM TO BE SOLVED: To provide an interference section between an outside outer cylinder and inside outer cylinder without forming a large step on the outside outer cylinder and inside outer cylinder of a vibration-resistant constant velocity joint and without necessitating extra components.  <P>SOLUTION: Arc surfaces 3b and 4b, which have the same center offset from the center of an outer ring 1 to a direction different from a radial direction, are arranged on a bore surface of the outside outer cylinder 3 and an outer diameter surface of the inside outer cylinder 4. The interference section partially narrowing a gap between the outside outer cylinder 3 and inside outer cylinder 4 in the circumference is formed, and therefore, the interference section can be arranged between both outer cylinders without forming large steps on the outside and inside outer cylinders 3 and 4 and without necessitating extra components.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2006201560-A (JP)
Title: Paper determination method and paper determining device
Inventor: SHIBUYA KOJI
IPC: B65H7/14
Filed: 2005-01-21
Abstract: <P>PROBLEM TO BE SOLVED: To determine the quality and the thickness of paper, without the need for use of a plurality of sensors.  <P>SOLUTION: When paper 12 is not in contact with a detection lever 74, a paper sensor 60 determines the kind of paper from an output voltage (maximum voltage), the amount of the light, which has been irradiated from a light-emitting element 66 and reflected on the surface of the paper, and received at a light-receiving element 68, reaches the maximum. The turning of the detection lever by the paper makes the light-emitting element and the light-receiving element turn, integrally according to the thickness t of the paper and be tilted with respect to the paper, decreasing the light received by the light-receiving element. At this point, the amount of light received depends on the quality and thickness of the paper, and the thickness of the paper is determined from the amount of light received, the voltage corresponding to the amount of light received, and the maximum voltage.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2005218862-A (JP)
Title: Container for moisture-sensitive substance
Inventor: TASKIS CHARLES BERNARD
IPC: B65D81/26
Filed: 2005-01-27
Abstract: <P>PROBLEM TO BE SOLVED: To provide a container with an internal desiccant, which is suitable to use together with a moisture-sensitive medical substance, especially potassium clavulanate and a potassium clavulanate-containing pharmaceutical preparations and fuses them aseptically without the problem of pollution by desiccant.  <P>SOLUTION: A container for a moisture-sensitive substance has a container body 1 which consists of a substance with atmospheric moisture impermeability substantially. The container is incorporated with a solid element 11 which is made from at least partially desiccant polymer and is brought into contact with atmospheric air in the interior of the container.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2006209475-A (JP)
Title: Information appliance management system
Inventor: KONDO ATSUSHI
IPC: B41J29/38
Filed: 2005-01-28
Abstract: <P>PROBLEM TO BE SOLVED: To provide an information appliance management system that alleviates a user load for managing a plurality of information appliances.  <P>SOLUTION: The information appliance management system comprises a plurality of the information appliances, a management device for managing each information appliance with electronic mail communication, a first mail server in which the mail address defined in common for a plurality of the above information appliances is registered and the electronic mails to the above information appliances are held, and a second mail server in which the mail address defined for the management device is registered and the electronic mails to the above management device are held. The management device designates the common mail address defined for a plurality of the information appliances as the address when producing the electronic mail to each information appliance, and includes the identification information corresponding to each information appliance in a predefined item other than the address. Each information appliance acquires the electronic mail in which the identification information corresponding to each appliance is included in the above predefined item other than the address out of the electronic mails to the information appliances held in the first mail server.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2006211858-A (JP)
Title: Charger
Inventor: YOSHIDA SHINICHI
IPC: H02J7/02
Filed: 2005-01-31
Abstract: <P>PROBLEM TO BE SOLVED: To control charging according to models of digital cameras.  <P>SOLUTION: When a digital camera 10 is set in a printer dock 12, the printer dock 12 supplies power supply to the digital camera 10, and charges a secondary battery of the digital camera 10. The digital camera 10 discriminates whether the models are adaptable to control of charging by the printer dock 12. If the digital camera 10 does not have a built-in inherent control circuit of charging, charging is carried out using a control circuit of charging in the printer dock 12. If the digital camera 10 has the inherent control circuit of charging, charging power is supplied with the control circuit of charging open in the printer dock 12. A display form of a charging state is the same in both models.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2006204263-A (JP)
Title: Culture vessel and culture method
Inventor: HIBINO HIROKI
IPC: C12M1/00
Filed: 2005-01-31
Abstract: <P>PROBLEM TO BE SOLVED: To more readily control infection with microorganisms and to efficiently culture cells.  <P>SOLUTION: The culture vessel 1 is equipped with a vessel main body 2 for storing a medium B and a cap 4 that is detachably fixed to the opening part 3 of the vessel main body 2 and seals the opening part 3. The vessel main body 2 is equipped with an adhesion face 2a composed of a material for adhering cells A and a gas permeable membrane 7 that is arranged at a position to bring the gas permeable member into contact with the stored medium B, allows permeation of gas G and shuts off the passage of microorganisms.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2005223913-A (JP)
Title: Apparatus and method for receiving signal in communications system using multiplex input and multiplex output system
Inventor: OH HYUN-SEOK
IPC: H04B1/707
Filed: 2005-02-02
Abstract: <P>PROBLEM TO BE SOLVED: To provide an apparatus and a method for receiving signals, taking into consideration the frequency selective fading channel environment.  <P>SOLUTION: In this signal-receiving method, a first received signal received through a plurality of receiving antennas is equalized according to a first scheme, and each of the equalized transmitting antenna signals is subjected to inverse spread, according to a plurality of spreading codes used in the transmitter. The maximum transmitted antenna signal is detected from among the transmitted antenna signals subjected to the inverse spreading and is decoded, according to a second scheme to verify errors. The verified maximum transmitting antenna signal is reproduced as an interference signal, and a second received signal is generated, by subtracting the interference signal from the first received signal and is equalized, according to the first scheme. Such an operation is repeated for the equalized transmitting antenna signals, except the maximum transmitted antenna signal.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005244964-A (JP)
Title: Session information management method and session information management apparatus
Inventor: TAKAHASHI TATSUO
IPC: H04L12/911
Filed: 2005-02-02
Abstract: <P>PROBLEM TO BE SOLVED: To prevent session resources from being exhausted, at a low cost while ensuring stable communications over a virtual private network connecting a client and a server.  <P>SOLUTION: If a novel session connection request exceeds the number of total allowable setting sessions, a security gateway 110 reads, from a session information storage section 116, session information corresponding to a user ID included in this session setting request. An IP address included in the read session information is then used to confirm a situation wherein a session corresponding to the session information is still alive or not. If no response is obtained, the session is judged as a "dead" session and the corresponding session information is deleted. Namely, if the same mobile terminal 411 tries to set sessions after the second one while the number of total sessions is exceeded, the connection status is confirmed with regard to a former session and if the connection is not normal, setting of the former session is deleted.  <P>COPYRIGHT: (C)2005,JPO&NCIPI