baber/WOPTO huggingface dataset:
Patent JP-2006176600-A (JP)
Title: Thermoplastic resin composition, molded form and its application
Inventor: TAKAYASU YUTAKA
IPC: C08K5/00
Filed: 2004-12-21
Abstract: <P>PROBLEM TO BE SOLVED: To provide a thermoplastic resin composition holding flexibility and especially rubber elasticity at high temperatures and compression set, and also presenting high scratch resistance, and to provide a molded form obtained using the same and applications of the molded form.  <P>SOLUTION: The thermoplastic resin composition comprises a total of 100 wt.% of (A) 0-70 wt.% of syndiotactic polypropylene containing more than 90 mol% of propylene-derived constituent units, (B) 20-99 pts.wt. of syndiotactic propylene-α-olefin copolymer containing 90-55 mol% of propylene-derived constituent units and 10-45 mol% of 2-20C α-olefin(except propylene)-derived constituent units, (C) 0-80 wt.% of isotactic polypropylene and (D) 1-80 wt.% of a styrene-based elastomer.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2005095669-A (JP)
Title: Dishwasher
Inventor: SHINKAI KIYOYASU
IPC: A47L15/42
Filed: 2004-12-24
Abstract: <P>PROBLEM TO BE SOLVED: To relieve annoyance in using a dishwasher and to improve the usability of the dishwasher for washing dishes with sprayed washing water by decelerating the motions of an automatic opening mechanism for automatically cooperation and opening a plurality of door bodies.  <P>SOLUTION: A plurality of upper door body 16 and a lower door body 17 for opening/closing an opening 15 formed in a washing tub 14 of the dishwasher are cooperated with each other by an cooperation link 25, and the upper door body 16 and the lower door body 17 are cooperated and automatically opened from the closed state to the opened state by the automatic opening mechanism with the energizing force of a first spring 33. The first spring 33 energizes the door bodies in the closing direction on the way of their opening motions.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2006176738-A (JP)
Title: Porous silicone rubber sheet
Inventor: SUGITANI MAKOTO
IPC: C08L83/04
Filed: 2004-12-24
Abstract: <P>PROBLEM TO BE SOLVED: To provide a porous silicone rubber sheet that is formed without the use of an organic solvent and a straight silicone oil, is uniform in thickness and in the void fraction over the entire layer in which voids are formed by hollow microspheres and does not cause oiliness nor blocking on its surface.  <P>SOLUTION: The porous silicone rubber sheet is formed by applying onto a substrate a coating liquid which comprises a room temperature-curable silicone rubber and hollow microspheres and has been diluted by adding a cyclic silicone oil thereto and curing the room temperature-curable silicone rubber.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2006187070-A (JP)
Title: Diagnostic tool for inverter cooler for motor drive
Inventor: MURAI HIROAKI
IPC: H02M7/48
Filed: 2004-12-27
Abstract: <P>PROBLEM TO BE SOLVED: To diagnose a drop in flow rate, supply stoppage of cooling water, etc. caused by the abnormality of an inverter device, for example, the clogging or the like of a waterway.  <P>SOLUTION: This diagnostic tool applies a current, so setting the phase of current application of power to be supplied to a switching element as to be constant, when the rotation of a motor 5 is in stoppage and that outputting creep torque, using a temperature detecting means 8 which outputs a Hi or Lo signal depending upon whether the temperature of the switching element of an inverter 4 is at or over a set temperature or not. This continues the above state during specified exoergic duration since the point of time when the signal of the temperature detecting means changes into a signal which shows that it is not less than the set temperature. After finish of the exoergic duration, this lowers the switching frequency of the switching element so as to lower the calorific value. This diagnoses the abnormality of a cooler, according to the elapsed time from the finish of the exoergic duration to the switching of the signal of the temperature detecting means into the signal which shows that it is under a set temperature.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2006181831-A (JP)
Title: Biaxially oriented multi-layer polyethylene film
Inventor: TAZAKI TSUTOMU
IPC: B32B27/32
Filed: 2004-12-27
Abstract: <P>PROBLEM TO BE SOLVED: To provide a biaxially oriented multi-layer polyethylene film which can be torn both longitudinally and laterally and is excellent in transparency, shrinkability, heat sealability, and bending resistance.  <P>SOLUTION: In the biaxially oriented multi-layer polyethylene film, a heat fusion layer obtained from an ethylene-α-olefin random copolymer (B) of 890-910 kg/m<SP>3</SP>density is laminated on at least one side of a biaxially oriented polyethylene film substrate layer obtained from polyethylene (A) having a density of 915-938 kg/m<SP>3</SP>, a fusion heating value (ΔH<SB>T</SB>) obtained by a differential scanning calorimeter (DSC) of 100-140 J/g, a fusion heating value (ΔH<SB>L</SB>) in a range of a fusion starting temperature -110°C of 50-80 J/g, a fusion heating value (ΔH<SB>H</SB>) in a range of a fusion finishing temperature 110°C- of 35-80 J/g, and a ratio (ΔH<SB>H</SB>)/(ΔH<SB>L</SB>) of 0.5-1.5.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2005219486-A (JP)
Title: Image formation device and discharge detection method
Inventor: KUSAKARI TSUTOMU
IPC: B41J2/01
Filed: 2004-12-28
Abstract: <P>PROBLEM TO BE SOLVED: To provide an image formation device and a discharge detection method which enable the discharge-detection to be performed on every nozzle while enabling the detection of poor discharge/non-discharge to be performed by detecting the droplet in flying during a printing operation.  <P>SOLUTION: For detecting the droplet in flying discharged from the printing head, a light-emitting element 41A and a photo-sensor 42A are arranged at the both ends in the longitudinal direction of a printing head 50, and a detecting beam 90 is irradiated toward the nozzle train direction in parallel or nearly in parallel. The control by which the discharge timing for the nozzle to be detected is shifted from the one for other nozzle group is performed, thereby a time difference is given to the passing timing for the droplet passing through the detecting beam 90. Based on the detected signal acquired from the photo-sensor 42A at the detection timing which corresponds to the discharge timing for the nozzle to be detected, the state of the discharge/non-discharge of the nozzle to be detected is judged. And also, the discharge period for recording at detecting the discharge and the conveyance rate are changed to n times and 1/n, respectively, toward the discharge period T at the time of usual recording operation.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2006182974-A (JP)
Title: Modified polymer, rubber composition and tire
Inventor: SUZUKI EIJU
IPC: C08L21/00
Filed: 2004-12-28
Abstract: <P>PROBLEM TO BE SOLVED: To provide a novel modified polymer that is excellent in interaction with carbon black and can improve the dispersibility of carbon black in the case when used in a carbon black-filled rubber composition, to provide a rubber composition that comprises the modified polymer and gives a tire excellent in low heat build-up, breaking characteristics, abrasion resistance and the like, and to provide a tire using the rubber composition.  <P>SOLUTION: The modified polymer is produced by reacting a modifier represented by formula (I) with an active metal to be bonded to a polymer, provided that in formula (I), X<SP>1</SP>-X<SP>5</SP>each independently denote a hydrogen atom or a specific monovalent functional group, but at least one of them is not a hydrogen atom; R<SP>1</SP>-R<SP>5</SP>each independently denote a single bond or a 1-18C divalent hydrocarbon group; and a plurality of aziridine rings may be bonded through any of X<SP>1</SP>-X<SP>5</SP>and R<SP>1</SP>-R<SP>5</SP>. The rubber composition contains the modified polymer in an amount of 10 mass% or more based on the total of the rubber components. The tire is produced by using the rubber composition.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2006189518-A (JP)
Title: Cleaning liquid for lithography and method for forming semiconductor base material using the same
Inventor: KOSHIYAMA ATSUSHI
IPC: H01L21/027
Filed: 2004-12-28
Abstract: <P>PROBLEM TO BE SOLVED: To provide a cleaning liquid for lithography showing uniformly favorable cleaning property for resists in various kinds and types of compositions such as resists for i-line specification, KrF specification or ArF specification, a silicon-containing resist and a chemically amplified positive resist, having preferable drying property after the process and causing no damage to characteristics of the resist by cleaning.  <P>SOLUTION: The cleaning liquid for lithography contains (A) at least one kind selected from lower alkylesters of acetic acid or propionic acid, and (B) at least one kind selected from 5-7C cyclic or no-cyclic ketones, with the mass ratio of (A)/(B) in the range of 4/6 to 7/3.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2005523715-A (JP)
Title: 喫煙品およびそのための喫煙可能な充填材の改良
IPC: A24B15/16
Filed: 2003-04-02
Abstract: 本発明は、3つの主成分、即ち、非燃焼性無機充填材と、アルギン酸系バインダーと、エアゾール発生手段と、からなる喫煙材を含む喫煙品に関する。この喫煙品は、エアゾール移動効率が4.0を越える喫煙品を供するために別の湿潤剤で処理されたタバコ材と組み合わせて使用される。
Patent JP-2005526662-A (JP)
IPC: B61D3/02
Filed: 2003-03-18
Abstract: A hinge and support system for supporting cargo in a freight compartment is provided. The system includes a hinge member, associated with a deck panel, which has at least one flexible projection. The hinge member mates with a support member having a pocket for which the hinge member's flexible projections can be snapped into and retained within so as to allow pivotal movement of the hinge member with respect to the support member. The hinge member is also movably supported by the deck panel so that the hinge member can move relative to the deck panel when the deck panel is deployed. The support member includes one ledge which engages the deck panel when deployed and a second ledge which engages the panel when stowed upright so as to substantially isolate the hinge member from the weight of the deck panel and items placed on it. The hinge structure can be utilized in other contexts.
Patent JP-2005535202-A (JP)
Title: データ処理回路
IPC: H04N5/14
Filed: 2003-07-09
Abstract: 本発明は多相フィルタリングを実行するデータ処理システムに関する。この回路は、多相フィルタリングを実行可能な機能装置（３０４，３０５，３０６）と、データと係数を記憶するメモリ装置（３０１，３０２，３０８）とを備えている。機能装置は、メモリ装置から到来するデータと係数を並列に受信して、それらのデータと係数から結果を計算して、これらの結果をメモリ装置に送る。
Patent JP-2006501886-A (JP)
Title: 合成プロテーゼ
IPC: A61F2/00
Filed: 2003-08-21
Abstract: 本発明は、大動脈内に留置され大動脈瘤を拡張するプロテーゼ装置である。このプロテーゼ装置は、患者のルーメン内に配置され拡張したときに、一方の部材（２）の端部（１２）が他方の部材（４）の端部（２４）に結合するよう構成された少なくとも第１と第２の部材（２，４）を有する。各部材（２，４）は、グラフト装置（８，２６）に関連するステント装置（０，２５）を有する。一方の部材の端部は、グラフト装置の内側表面上にそのステント装置の少なくとも一部を有し、他方の部材の端部は、グラフト装置の内側表面上にそのステント装置の少なくとも一部を有する。好ましくは、２個のステントグラフトがオーバーラップする。第１と第２の部材の結合部分は、同一の外径を有する。
Patent JP-2005537084-A (JP)
IPC: A61B17/44
Filed: 2003-08-21
Abstract: The present invention relates to an obstetric vacuum extractor comprising a suction cup (1) of a hard material, which suction cup (1) is provided connection (5) for a tube and a connector piece (4). The vacuum extractor further comprises a towing means (6) of a flexible material as well as a locking means (11). The towing means (6) comprises a handle (7), a connecting part (8) and a connector (9). The invention is characterized in that said connector piece (4) is an integrated part of the suction cup (1). Said connector (9) is arranged to be brought to attachment in said connector piece (4), said connector piece (4) and connector (9) being movably fixable to each other.
Patent JP-2006514588-A (JP)
Title: 移動する加工品、特に車体を加工する方法及び装置
IPC: B21D28/34
Filed: 2003-09-06
Abstract: 本発明は、移動する加工品（１）、特にコンベアベルト（１０）で移動される車体（１）を加工する方法に関する。この目的を達するために、ロボット（７）の手（１２）に取り付けられ、センサシステム（１８）を具備する、加工工具（５）が使用される。このセンサシステムは、加工工具（５）に固定して接続され、少なくとも１つのセンサ（１９）を有する。加工中、加工工具（５）は、移動する加工品に追従する。この追従移動は、センサシステム（１８）の測定データを使用することによって、加工工具（５）が移動する加工品（１）の基準領域（９）に定期的に位置合わせされる制御プロセスに基づいている。センサシステム（１８）の測定データは、加工工具（５）の設定段階（Ｉ）の間に生成された設定データと比較される。加工工具（５）の移動ベクトルは、測定値と設定データとの差に基づいて、設定段階の間に計算されるヤコビ行列を使用して計算され、加工工具（５）は、この移動ベクトルだけ移動される。このプロセスは、制御ループで繰り返される。
Patent JP-2006510617-A (JP)
Title: （＋）−３−（３，４−ジメトキシ−フェニル）−３−（１−オキソ−１，３−ジヒドロ−イソインドール−２−イル）−プロピオンアミドの使用方法およびそれを含む組成物
IPC: A61K31/24
Filed: 2003-11-17
Abstract: 鏡像異性的に純粋な（＋）−３−（３，４−ジメトキシ−フェニル）−３−（１−オキソ−１，３−ジヒドロイソインドール−２−イル）−プロピオンアミド、ならびにそのプロドラッグ、代謝物、多型体、塩、溶媒和物（例えば水和物）、および包接体が説明されている。ＴＮＦ−α濃度の減少またはＰＤＥ４阻害により改善される種々の疾病・疾患の治療および／または予防方法もまた開示されている。
Patent JP-2007532091-A (JP)
Title: Ｃ型肝炎ウイルス非構造タンパク質４ａ（ｎｓ４ａ）はエンハンサーエレメントである
IPC: A61K39/00
Filed: 2003-11-25
Abstract: 本発明は、会合した遺伝子の発現を調節するエンハンサーの発見に関する。特に、Ｃ型肝炎ウイルス（ＨＣＶ）からの非構造タンパク質４Ａ（ＮＳ４Ａ）は会合した核酸の発現および免疫原性を変調する、ということが見出された。
Patent JP-2006507889-A (JP)
Title: 装置
IPC: A62B17/04
Filed: 2003-12-02
Abstract: 本発明は、煙の立ちこめた部屋から実質的に無煙の空気の吸引を確保するための装置で、ユーザの顔面４の少なくとも鼻及び口を覆って配置される防護材２を備え、前記防護材に管状体６が緊密接続され、前記管状体の端８に、前記防護材内部でユーザの口に当接するように適合したノズルが配置され、前記ノズルが前記管状体の他端の空気吸込開口１０と連通し、前記管状体が伸長状態で少なくとも地面レベル近傍に及ぶ長さｌを有する装置において、軟質材料により形成される前記管状体６が収縮可能且つ／又は伸張可能とされ、前記防護材２と共に、畳み込まれた状態で、その実質的広がりを１つの平面Ｐ上に有し、僅少スペースのみ要するパッケージを形成することを特徴とする装置に関する。
Patent JP-2006509869-A (JP)
Title: 担持オレフィン重合触媒
IPC: C08F4/02
Filed: 2003-12-03
Abstract: （ａ）遷移金属化合物、（ｂ）（ｉ）アルミノキサン又は（ｉｉ）ＩＩＩＡ族金属又はメタロイド化合物からなる活性剤、及び（ｃ）無機金属酸化物、無機金属ハロゲン化物又は重合体物質又はそれらの混合物よりなる担体物質からなり、担体物質が遷移金属原子の源で前処理されることを特徴とする担持触媒系が提供される。望ましい遷移金属化合物はメタロセンであり、遷移金属原子の源が典型的には鉄又は銅の金属塩である。担持触媒系は改良された活性を示し、そしてまた気相流動床工程中の付着物を減少させ得る。
Patent JP-2006187734-A (JP)
Title: Coating apparatus
Inventor: TOIDA TAKASHI
IPC: B05C5/00
Filed: 2005-01-06
Abstract: <P>PROBLEM TO BE SOLVED: To provide a coating apparatus by which a spot to be coated defectively can be prevented from being generated in large quantities.  <P>SOLUTION: A discharged state and the deformation of a nozzle 12 are detected before a drip inhibiting agent is applied to a plurality of electronic circuits loaded on a work 20 (step S10 to step S13). A discharge gun driving unit 10 applies the drip inhibiting agent to the work 20 when the discharged state is normal and the nozzle 12 is not deformed (step S14). The discharged state and the deformation of the nozzle 12 are detected after the drip inhibiting agent is applied to the work 20 (step S15 to step S18). When the discharged state is not normal or the nozzle 12 is deformed before and after the drip inhibiting agent is applied to the plurality of electronic circuits loaded on the work 20, a warning is issued and the drive control of a discharge gun 11 and the conveyance of the work 20 are stopped (step S19 to step S20).  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2006187845-A (JP)
Title: Fine particle fixing method
Inventor: YOSHII SHIGEO
IPC: H01L29/06
Filed: 2005-01-07
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method for fixing hollow protein fine particles on a substrate by which adsorption of the hollow protein fine particles to a non-specific region can be suppressed.  <P>SOLUTION: The fine particle fixing method has a process, in which ferritin is fixed to a specific region by bringing an aqueous solution 107 of the ferritin 106 into contact with the surface of a silicon semiconductor substrate 105 having a minute surface-modifying film pattern, a washing process for washing the surface of the substrate without drying it, and a drying process for drying the substrate. The total ion concentration of the aqueous solution is ≤1 mM. The pH of the aqueous solution is ≥6.5 and ≤7.5. Consequently, it is possible to fix the hollow protein fine particles on the substrate in a state of suppressing the adsorption of the hollow protein fine particles to the non-specific region.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2006194277-A (JP)
Title: Joint
Inventor: KAWAMURA NAOKO
IPC: F16B12/40
Filed: 2005-01-11
Abstract: <P>PROBLEM TO BE SOLVED: To provide a joint capable of easily joining frame members, easy to assemble and disassemble, excellent in versatility and freedom in design to freely cope with change of a shape by addition or replacement of a member and to form structures of various sizes by combining frame members, shelf boards or the like of length which has been made in module beforehand.  <P>SOLUTION: This L-shape joint attached to a side surface part of a joint main body or the like is provided with a joint provided with a fitting part of which upper part is a hook shape, a hole on a back plate part, a hole on a bottom board part, and one or more small projection part formed in a back surface side of the back plate part, and a U-shape joint fitted in the L shape joint and embedded in a butt end part groove of a frame or the like and provided with a fit in part having a tip part of an upper part thereof bent downward, a hole on a back plate part and a hole on a bottom plate part.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2006193254-A (JP)
Title: Conveying equipment
Inventor: ONISHI KATSUHARU
IPC: B65G47/50
Filed: 2005-01-12
Abstract: <P>PROBLEM TO BE SOLVED: To provide conveying equipment capable of continuing conveying work even in the condition wherein one spot among a plurality of conveying spots become impossible to do conveying work.  <P>SOLUTION: This conveying equipment is provided with a control means for controlling operation of a conveying means so that a conveyed material is conveyed to the conveying spot corresponding to a conveyance destination on the basis of conveyance destination information, which instructs one conveying spot corresponding to the conveyance destination of each of the conveyed material among the plurality of conveying spots, and so that the conveyed material, of which conveyance destination is the conveying spot impossible to do conveying work, is conveyed to a substitute conveyance destination, to which the conveyed material can be conveyed, on the basis of monitor information of a conveyance trouble monitor means.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2006196657-A (JP)
Title: Manufacturing method of semiconductor device
Inventor: TERASAKI HIRONORI
IPC: H01L21/60
Filed: 2005-01-13
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method of manufacturing semiconductor device for providing a rectangular parallelopiped semiconductor device which may be formed thinner and small in size.  <P>SOLUTION: A plurality of semiconductor elements 1 are joined in the face-down attitude on a mounting substrate 3 and a dam 7 is formed in the periphery of the semiconductor element mounting area where such semiconductor elements 1 are joined. A resin 4 is coated on the mounting substrate surrounded with the dam and the semiconductor element is sealed with resin in the manner that the rear surface thereof is exposed from the sealing resin surrounding the circumference thereof. The exposed rear surface of the semiconductor element and the sealing resin are polished. Thereafter, or after the polished surface is covered with a protection film, the almost rectangular parallelopiped semiconductor device is formed by cutting into pieces the polished sealing resin provided between adjacent semiconductor elements and mounting substrate or the protection film.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2005184023-A (JP)
Title: Semiconductor device and manufacturing method therefor
Inventor: NISHISAKO YUKINARI
IPC: H01L21/66
Filed: 2005-01-14
Abstract: <P>PROBLEM TO BE SOLVED: To provide a semiconductor device having high reliability, and to provide its manufacturing method.  <P>SOLUTION: As shown in Figure (b), the semiconductor device is composed of a die pad 1, a master chip 2, a slave chip 3, a conductor film 7 formed on the rear surface of the slave chip 3, bumps 4, a lead 5, and a bonding wire 6. The conductor film 7 is connected to an external member via the bonding wire 6 and the lead 5. Thereby, substrate potential can be stabilized, and since the conductor film 7 has high thermal conductivity and low electrical resistance, a heat dissipation property in the semiconductor device can be improved, and also, the discharge of radiated noise can be controlled.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2006196381-A (JP)
Title: Manufacturing method of electromagnetic relay and armature block used for it
Inventor: KATO YOSHIMASA
IPC: H01H50/18
Filed: 2005-01-17
Abstract: <P>PROBLEM TO BE SOLVED: To provide a manufacturing method of a magnetic relay and an armature block applied to it in which the variation on manufacturing in the opposed gap between a yoke of an electromagnet block and an armature of the rotating armature block can be reduced and the magnetic attraction characteristics of the relay can be stabilized.  <P>SOLUTION: The armature block has a sub card 53 which adheres and supports an armature 51 and is formed of a non-magnetic molding to be connected to a card, through holes 53c in which pins 83, 84 for positioning the armature 51 when the sub card 53 and the armature are adhered can penetrate freely are provided at the rear face 53e opposed to the rear face of the armature 51 of the sub card 53, thereby when the sub card 53 and the armature 51 are adhered, pins 83, 84 are inserted into the through holes 53c and the armature 51 can be positioned. Thereby, a certain contact point level difference can be provided between the yoke contacting face of the sub card 53 and the yoke opposed face of the armature 51.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2006194220-A (JP)
Title: Manufacturing method of sliding member
Inventor: KANEMITSU HIROSHI
IPC: C21D9/00
Filed: 2005-01-17
Abstract: <P>PROBLEM TO BE SOLVED: To provide a shoe 4 excellent in seizure-proof by forming a plurality of fine irregularity in uniform in a sliding surface 4A of the shoe 4 and by introducing a lubricating oil there.  <P>SOLUTION: A plurality of swelling sections 6 are formed by irradiating the sliding surface 4A of the shoe 4 with a laser in such a state of a plurality of lines parallel to the surface, and concave portions 7 are formed at locations adjacent to them simultaneously. The above-mentioned swelling section 6 and its inner side form a direct quenching section 11 high in hardness, and the concave portion 7 and its inner side form double quenching section 12, furthermore, its location is lower than the above-mentioned selling section 6 in hardness. After the above-mentioned laser quenching, irregularity is removed to get a smooth surface by processing the sliding surface 4A in lapping up to a location of imaginary line 15, after that the sliding surface 4A is processed in buffing. This makes a plurality of the fine irregularities form in the sliding surface 4A in such a way that a portion low in hardness is shaved off greatly compared by a portion of high hardness, then a plurality of the fine irregularities are formed in the sliding surface 4A.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2006203336-A (JP)
Title: Security information management method and subjective communication apparatus
Inventor: SAKUKAWA SHIGENAGA
IPC: H04L12/70
Filed: 2005-01-18
Abstract: <P>PROBLEM TO BE SOLVED: To prevent duplication of SPI of SAs when a communication subject apparatus establishes a plurality of IPsecSAs with the same objective communication apparatus by utilizing an IKE.  <P>SOLUTION: The subjective communication apparatus stores the ID of an objective communication apparatus in an IKE phase 1, and stores an SPI for establishing the IPsecSA from the objective communication apparatus in an IKE phase 2 together with the established IPsecSA so that the SPI is correlated to the ID of the objective communication apparatus. In the IKE phase 2, if the same objective communication apparatus requests to establish the IPsecSA by SPI, the apparatus rejects establishment of the IPsecSA when the already established IPsecSA remains, and establishes the IPsecSA when the already established IPsecSA has been deleted.  <P>COPYRIGHT: (C)2006,JPO&NCIPI