baber/WOPTO huggingface dataset:
Patent JP-2017504809-A (JP)
Title: タンク底汚泥の溶解のための溶媒のスクリーニングシステムおよび方法
IPC: C02F11/00
Filed: 2014-11-17
Abstract: 石油炭化水素の可溶化のための溶媒をスクリーニングする方法が開示される。この方法は、選択された溶媒中に石油炭化水素を溶解して、第１の溶液を形成するステップと、第１の溶液にイオン液体を添加して、ブレンドし、第２の溶液を形成するステップと、分光器技術を使用して第２の溶液の吸光度を測定するステップとを含む。次いで、溶媒中の石油炭化水素の可溶化は、第１および第２の溶液の測定された吸光度の間の差異に基づいて決定される。石油炭化水素の可溶化のための溶媒のスクリーニングシステムも開示される。このシステムは、精製プロセス装置、プロセスフローライン、パイプ輸送作業の間のワックス堆積の除去、ワックスの品質改良、パイプラインの詰まりの予防、汚泥の処理、または石油タンク装置からの汚泥の除去、もしくは原油フローの向上のために使用することができる。
Patent JP-2017514775-A (JP)
Title: 純粋な三量体及び／又は四量体のケイ素化合物又はゲルマニウム化合物の製造方法
IPC: C01B33/107
Filed: 2015-02-03
Abstract: 本発明の対象は、三量体及び／又は四量体のケイ素化合物、又は三量体及び／又は四量体のゲルマニウム化合物を製造するための方法であって、ここでケイ素化合物からの混合物又はゲルマニウム化合物からの混合物を低温プラズマに曝し、かつ生成した相を、少なくとも一回、真空精留及び濾過する。
Patent JP-2017511250-A (JP)
Title: 反応器システム及びその使用
IPC: B01J19/24
Filed: 2015-03-10
Abstract: 本発明は、反応器（３）と、反応器（３）と接続する、少なくとも１つの冷却器（５）と、液状熱媒体（９）の少なくとも一部を循環するための、反応器（３）及び／又は冷却器（５）と接続する、少なくとも１つのポンプと、液状媒体（９）を収容するための、反応器（３）及び／又は少なくとも１つの冷却器（５）と接続する、容器（１１）とを備え、この容器（１１）は、反応器（３）及び／又は少なくとも１つの冷却器（５）の下方に配置されている、反応器システム（１）に関する。更に、発熱反応を実施するための、本発明による反応器システム（１）の使用が記載されている。
Patent JP-2017511478-A (JP)
Title: 食物アレルギーを検出するためのペプチド、試薬及び方法
IPC: G01N33/53
Filed: 2015-03-20
Abstract: アレルギー診断のため、アレルギー個体における臨床耐性の発生の監視のため、及びアレルギー対象が時間の経過とともに臨床耐性又は自然耐性を発生する可能性があるかどうかを予測するためのペプチドバイオマーカーが提供される。本発明はまた、これらのペプチドバイオマーカーを用いた診断方法及び診断用キットに関する。【選択図】図２
Patent JP-2017513916-A (JP)
Title: ドリペネムの新規な結晶およびその製造方法
IPC: A61P31/04
Filed: 2015-04-15
Abstract: 本発明は、ドリペネムの新規な結晶、溶媒化合物およびその製造方法に関し、より詳細には、新規な結晶はドリペネムの無水物結晶であり、これを製造するために多様な溶媒を用いて前記ドリペネムの無水物結晶を製造する方法およびドリペネムの溶媒化合物に関する。【選択図】図１１
Patent JP-2017508783-A (JP)
Title: １−インダノールおよび１−インダンアミンを製造する方法
IPC: C07C69/24
Filed: 2015-01-23
Abstract: 本発明は、パラジウム触媒アリール化により１−インダノールおよび１−インダンアミンを製造する方法、ならびにファインケミカルおよび農薬活性物質の合成のための中間生成物としてのその使用に関する。【選択図】なし
Patent JP-2017517325-A (JP)
Title: 拡散強調磁気共鳴イメージングを用いて組織内の鉄の量を定量化するｍｒｉ方法
IPC: A61B5/055
Filed: 2015-06-09
Abstract: 拡散強調磁気共鳴イメージング（ＭＲＩ）によって脳内の鉄の堆積を定量化しマッピングするための方法は、モノポーラ（ＭＰＧ）勾配パルス拡散シーケンスとバイポーラ（ＢＰＧ）シーケンスの、鉄の堆積に起因する局所磁場勾配と、その、拡散符号化勾配との交差項とに対する差分感度に基づいている。本方法は、ＭＰＧとＢＰＧのシーケンスを用いて関心領域の第１のＭＲＩ画像と第２のＭＲＩを取得するステップ（１２、１４）と、観察される組織を表す、拡散ＭＲＩ減衰信号の減衰モデルを提供するステップ（１６）と、ＭＲＩ画像を減衰モデルでフィッティングすることにより、第１の見かけの拡散係数ＡＤＣＭＰＧと第２の見かけの拡散係数ＡＤＣＢＰＧとを推定するステップ（１８、２０）と、鉄起因の局所勾配係数ξＦｅをとして計算するステップ（２２）と、計算された鉄起因の局所勾配係数ξＦｅから組織の局所的な区域に蓄積されている鉄の濃度［Ｆｅ］および／または量を決定するステップ（２４）とを含む。装置は、このような方法を実施するように構成されている。
Patent JP-2017522282-A (JP)
Title: 非標準的インスリンおよびそれらの使用
IPC: A61K9/08
Filed: 2015-06-10
Abstract: いくつかの態様において、本発明はインスリン派生物に関し、それには、位置B28またはB29にて環状アミノ酸が含まれ、環状アミノ酸はL-プロリンでない。いくつかの態様では、本発明は前記インスリン派生物を作成する方法に関する。いくつかの態様では、本発明は前記インスリン派生物が含まれる薬学的組成物に関する。いくつかの態様では、本発明は疾患または症状を対象において処置する方法に関し、それには、前記インスリン派生物が含まれる組成物を対象に施与することが含まれる。
Patent JP-2017525143-A (JP)
Title: ヘッドルーム制御を利用したシーケンシャルリニアｌｅｄドライバ
IPC: H05B37/02
Filed: 2015-06-24
Abstract: ヘッドルーム制御手法を利用したシーケンシャルリニア発光ダイオード（ＬＥＤ）ドライバを開示する。ＬＥＤのマイクロタップされたセグメント（micro-tapped segment）を有するヘッドルーム制御回路は、直流電圧がメインＬＥＤストリングを発光させるほど十分に高くなる前に、前記ＬＥＤのうちの１個又は複数個を発光させる。【選択図】図２
Patent JP-2017518063-A (JP)
Title: 生体物質を増殖および排出する微生物発酵システム
IPC: C12N1/20
Filed: 2015-05-21
Abstract: 指数増殖期を促進することによって、スターター物質の生物学的な増殖における誘導期の負の側面を克服するように設計された、生体物質を増殖および排出する微生物発酵システムを提供する。本システムは、細菌の指数増殖に関する理想的な条件を維持するように設計され、少なくとも一つの第一期タンクおよび第二期タンクを有する。【選択図】図１
Patent JP-2018112771-A (JP)
Title: Detent mechanism
Inventor: ICHISE TOSHIMITSU
IPC: G05G5/06
Filed: 2017-01-06
Abstract: PROBLEM TO BE SOLVED: To facilitate action of a detent without increasing an additional component to components in current use.SOLUTION: A detent mechanism of the present invention positions a detent pin (3) inside a detent recessed part (4) of a fixed guide body (2) by pressing a lever (1) which can be pressed freely. The detent mechanism easily positions the detent pin (3) inside the detent recessed part (4) by making an axial center (P) of the detent pin (3) eccentric relative to a diameter center (P) of a lever diameter (P) of the lever (1) and generating a lateral load to the detent pin (3).SELECTED DRAWING: Figure 1
Patent JP-2018111345-A (JP)
Title: Motor driving device
Inventor: FUKAZAWA KENJI
IPC: B60G9/04
Filed: 2017-01-10
Abstract: PROBLEM TO BE SOLVED: To provide a motor driving device which can maintain good riding quality of a vehicle, is not easily affected by heat from a wheel, and can secure a wide space of a cargo chamber if the cargo chamber is provided at the inner lateral side of the wheel.SOLUTION: A motor driving device 1 includes: a trailing arm 2 which extends in a vehicle fore and aft direction and where a vehicle body side attachment part 6 which is coupled to a vehicle body through a rubber bush 5 is formed at the front side and a wheel side support part 7 which supports a rear wheel 71 is formed at the rear side; and a motor 3 which is supported by the trailing arm 2 and drives the rear wheel 71. The motor 3 is disposed at a position overlapping with the rubber bush 5 with respect to a vehicle vertical direction when viewed in a vehicle width direction.SELECTED DRAWING: Figure 3
Patent JP-2017064475-A (JP)
Title: Pinball game machine
Inventor: ONO HIDEKI
IPC: A63F7/02
Filed: 2017-01-12
Abstract: PROBLEM TO BE SOLVED: To provide a game machine, when a read-ahead reservation forenotice having high winning expectation degree is produced, continuing a degree of tension thereof to a ready-to-win performance.SOLUTION: The game machine includes: a first ready-to-win variation pattern in which, after executing a first ready-to-win performance, the game machine executes a second ready-to-win performance having higher winning expectation degree than that of the first ready-to-win performance, subsequently notifies of a lottery result, and terminates a symbol variable display operation; and a second ready-to-win variation pattern in which the game machine executes the second ready-to-win performance without executing the first ready-to-win performance, subsequently notifies of the lottery result, and terminates the symbol variable display operation. In a case where it is determined by a read-ahead function to be the second ready-to-win variation pattern, the game machine executes an SP ready-to-win variation pattern at a higher ratio than a case where it is determined by the read-ahead function to be the first ready-to-win variation pattern.SELECTED DRAWING: Figure 40
Patent JP-2018112357-A (JP)
Title: Water heater
Inventor: NAITO YUKA
IPC: F24H1/18
Filed: 2017-01-12
Abstract: PROBLEM TO BE SOLVED: To provide a water heater that performs washing operation for a circulation circuit circulating water in a bathtub during drainage and that can obtain a chance for the washing operation even when a draining speed is slow.SOLUTION: A water heater comprises: a bath circulation circuit for circulating water in a bathtub; washing means for performing washing operation to wash the bath circulation circuit with air bubbles; and a control part. The control part calculates, based upon a detected water level of the bathtub, an index value correlating to a water level falling time. Then the washing operation is performed when the index value is between a first threshold and a second threshold and the water level of the bathtub is lower than a criterion water level. Further, when the index value is between the second threshold and a third threshold larger than the second threshold and the water level of the bathtub is lower than the criterion water level, the washing operation is performed if no water flow is detected in the bath circulation circuit.SELECTED DRAWING: Figure 6
Patent JP-2018112486-A (JP)
Title: On-vehicle machine and operation system
Inventor: MOCHIZUKI TOSHIHIRO
IPC: G01C21/36
Filed: 2017-01-12
Abstract: PROBLEM TO BE SOLVED: To adequately control approval or prohibition of operations by the gestures of a user.SOLUTION: The on-vehicle machine includes: an operational instruction receiving unit for receiving an operational instruction based on a motion of a user from an exterior communication device; an operation execution unit for executing a function corresponding to the operational instruction; a vehicle information acquisition unit for acquiring vehicle information on the state of a vehicle; and a determination unit for determining whether the vehicle information satisfies a predetermined condition and approving or prohibiting the execution of the function by the operation execution unit based on the result of the determination.SELECTED DRAWING: Figure 1
Patent JP-2018112528-A (JP)
Title: Cover member and sensor assembly
Inventor: WATABE TAKATO
IPC: B60R19/48
Filed: 2017-01-13
Abstract: PROBLEM TO BE SOLVED: To provide a cover member that improves accuracy of a sensor detecting situation at a periphery of a vehicle, and hardly breaks the sensor.SOLUTION: There is provided a cover member 15 that protects a sensor outputting an electromagnetic wave to detect situation at a periphery of a vehicle. The cover member 15 has a cover 5 that is arranged at a side of an electromagnetic wave output surface of the sensor and is formed of a flexible member, and an electromagnetic wave absorption member 9 that is attached to an inner surface or an outer surface of the cover 5 through which the electromagnetic wave output from the sensor passes. The cover 5 and electromagnetic wave absorption member 9 form a layer structure.SELECTED DRAWING: Figure 4
Patent JP-2017081820-A (JP)
Title: Low melting point composition and electronic component
Inventor: IKEDA TAKURO
IPC: C03C8/24
Filed: 2017-01-16
Abstract: PROBLEM TO BE SOLVED: To provide a lead-free inorganic low melting point encapsulated material exhibiting good wettability in a heat treatment at a temperature not more than 400°C to inorganic oxide or metal surface, capable of being encapsulated preferably and capable of conjugating overlapped surfaces each other.SOLUTION: There is provided a low melting point encapsulation material containing a low melting point composition, wherein the low melting point composition contains one or two kind of Mo and W, and Ag, I and O as essential constitutional elements, when the composition is represented as an aggregate of the formula MQ, where M is cation with valence m and Q is anion with valence q, wherein cation and anion bind, and all anions other than oxide ion bind to Ag, has percentages occupied by these compounds satisfying conditions:AgI:12 to 82 mol%, AgO:12 to 60 mol%, MoO+WO:6 to 28 mol%, ΣAgQ:68 to 94 mol%, ΣMO:18 to 88 mol%, (2×MoO+2×WO+3×PO)/(AgO+RO+2×RO)<1, where Ris an alkali metal and Ris an alkali earth metal and exhibits low contact angle on an oxide surface.SELECTED DRAWING: None
Patent JP-2018115954-A (JP)
Title: Pressure sensor
Inventor: TAKIMOTO KAZUYA
IPC: G01L9/00
Filed: 2017-01-18
Abstract: PROBLEM TO BE SOLVED: To provide a pressure sensor which allows for forming an adhesive layer of a uniform thickness without requiring high-precision control of the amount of applied adhesive.SOLUTION: An adhesive layer 50 is formed in a recess 18R on one end portion of a chip mount member 18 facing an adhered surface of a sensor chip 16, and between an end surface of a hermetic glass 14 adjacent to the one end portion of the chip mount member 18 and an outer peripheral edge of the sensor chip 16 facing the end surface.SELECTED DRAWING: Figure 1
Patent JP-2018116482-A (JP)
Title: Logistics management apparatus, logistics management method, and program
Inventor: SAKAI MASAKI
IPC: G06Q10/08
Filed: 2017-01-18
Abstract: PROBLEM TO BE SOLVED: To provide a logistics management apparatus, a logistics management method, and a program, which can more continuously monitor an environment in which a package is placed in a transportation process.SOLUTION: A logistics management apparatus according to an embodiment includes an information acquisition unit and an information processing unit. The information acquisition unit acquires identification information of a package, identification information corresponding to a first sensor device acquiring environmental information of a storage location included in a section where the package is transported, identification information of a second sensor device moving with the package, environmental information acquired by the first sensor device, environmental information acquired by the second sensor device, and history information on which predetermined processing has been performed on the package. The information processing unit synthesizes the information acquired by the information acquisition unit and generates section environment information indicating an environment in which the package is placed in the section where the package is transported.SELECTED DRAWING: Figure 1
Patent JP-2018116204-A (JP)
Title: Tactual map creation kit
Inventor: TOYODA WATARU
IPC: G09B29/00
Filed: 2017-01-20
Abstract: PROBLEM TO BE SOLVED: To provide a kit for improvisationally creating a tactual map with high tactile at a site of walking training.SOLUTION: The present invention relates to a tactual map creation kit 100 for creating a tactual map to be used for walking training for a sight handicapped person. There is provided the tactual map creation kit 100 including: at least one substrate of which surface provides a map flat surface; and a plurality of three-dimensional objects becoming constituent elements of the map. The three-dimensional objects are detachable from the map flat surface.SELECTED DRAWING: Figure 1
Patent JP-2018114207-A (JP)
Title: Cooking container, heat cooker, and method for manufacturing cooking container
Inventor: ARATSU YURIKO
IPC: A47J27/00
Filed: 2017-01-20
Abstract: PROBLEM TO BE SOLVED: To provide a cooking container that increases a coefficient of heat transfer to an object to be heated and reduces uneven heating, and to provide a heat cooker and a method for manufacturing a cooking container.SOLUTION: In a cooking container 5 having a bottom part 5a and a side part 5c, a recess part 50 is formed at a top face of the bottom part, a first layer having hydrophilic property is formed at a surface of the recess part and a second layer having water-repellent property is formed in a region at the top face of the bottom part, where the recess part is not formed.SELECTED DRAWING: Figure 3
Patent JP-2018114721-A (JP)
Title: Method for repairing composite material
Inventor: SHIMONO KODAI
IPC: B29C73/10
Filed: 2017-01-20
Abstract: PROBLEM TO BE SOLVED: To provide a method for repairing a composite material properly repairing a part to be repaired.SOLUTION: A method for repairing a composite material 1, repairing a part to be repaired 5 of the composite material 1, is prepared with a semi-impregnated prepreg 10 being a prepreg containing an impregnated region with a fiber impregnated with resin and a not yet impregnated region with the fiber not yet impregnated with the resin, a resin sheet 11 formed into a sheet form, and a breathable covering sheet 12 being a member having breathability, includes: a resin sheet disposition step for disposing the resin sheet 11 in the part to be repaired 5 formed receding from the surface of the composite material 1; a prepreg disposition step for disposing the semi-impregnated prepreg 10 laminated over the resin sheet 11; and a breathable member disposition step S5 for disposing the breathable covering sheet 12 such as to communicate with the not yet impregnated region of the laminated semi-impregnated prepreg 10 and disposing the breathable covering sheet 12 in a position in contact with a vacuum sucking port 25.SELECTED DRAWING: Figure 3
Patent JP-2018118911-A (JP)
Title: Hydrazone compound and electrophotographic photoreceptor
Inventor: OKADA HIDEKI
IPC: G03G5/06
Filed: 2017-01-23
Abstract: PROBLEM TO BE SOLVED: To provide a compound that can improve the electric characteristics and oil crack resistance of an electrophotographic photoreceptor.SOLUTION: The present invention provides a compound represented by formula (1) (R-Rindependently represent a C1-6 alkyl group, a C1-6 alkoxy group, a C7-20 aralkyl group, or a C6-14 aryl group optionally substituted with a C1-3 alkyl group; m and n independently represent an integer of 0-5; p and q independently represent an integer of 0-2).SELECTED DRAWING: Figure 1
Patent JP-2018120801-A (JP)
Title: Lighting device for vehicle
Inventor: INOUE NAOTO
IPC: F21S41/00
Filed: 2017-01-26
Abstract: PROBLEM TO BE SOLVED: To improve designability by obtaining such a visual effect that a high luminance area moves in accordance with change in a relative position with a user who watches a lens without illuminating an unnecessary range.SOLUTION: A lighting device 1 for a vehicle includes; a plurality of light sources 21a-21f arranged in a vehicle width direction; and a lens part 31 arranged in front of the plurality of light sources 21a-21f, and emitting light emitted from the light sources 21a-21f. Each light emitted from the plurality of light sources 21a-21f is directed so as to have an irradiation range spreading from a prescribed irradiation direction -θ1 to +θ6 to the surroundings by the lens part 31, the irradiation range makes a light volume in the prescribed irradiation direction -θ1 to +θ6 the largest, and a prescribed irradiation direction -θ1 to +θ6 each of the plurality of light sources 21a-21f is directed so as to direct from the inside to the outside in the vehicle width direction width as the positions of the light sources are from the inside to the outside in the vehicle width direction.SELECTED DRAWING: Figure 4
Patent JP-2018117967-A (JP)
Title: Game machine
Inventor: SONODA YOSHIAKI
IPC: A63F7/02
Filed: 2017-01-27
Abstract: PROBLEM TO BE SOLVED: To enhance an interest in a game by diversifying game properties.SOLUTION: A game machine comprises: a general variable winning device 37; a special variable winning device 38 having a specific area (probability modification operational area 38h) into which game balls can flow; probability control means (game control device 100) to set a state of probability of generating a special result to either a normal probability state or a high probability state; and electric support control means (game control device 100) capable of generating an electric support state (time-shortened state), in which game balls more easily enter the general variable winning device 37 than in the normal state, until a variable display game is executed a prescribed number of times after termination of a special game state. The probability control means sets the probability state after the termination of the special game state to the normal probability state if no game ball has flowed into the specific area, and sets the probability state after the termination of the special game state to the high probability state if a game ball has flowed into the specific area. The electric support control means can determine the prescribed number of times (the number of times of time shortening) on the basis of whether or not a game ball has flowed into the specific area.SELECTED DRAWING: Figure 143
Patent JP-2018117998-A (JP)
Title: Absorbent auxiliary pad
Inventor: MIZUGUCHI KATSU
IPC: A61F13/475
Filed: 2017-01-27
Abstract: PROBLEM TO BE SOLVED: To provide an absorbent auxiliary pad which is inexpensive and which can properly prevent leakage of loose passage or the like.SOLUTION: There is provided an absorbent auxiliary pad comprising a top sheet, a back sheet and an absorber, and being arranged on an end part of an absorbent article. The absorbent auxiliary pad comprises on only one side end part in a width direction, a three-dimensional gathering, and a height of the three-dimensional gathering from a top sheet is 20% or larger with respect to a dimension of the absorbent auxiliary pad in the width direction. The top sheet has a folded shape so as to include a part of an absorber and a part of the back sheet on the side end part in one width direction, and the back sheet has a folded shape so as to include a part of the absorber in the other side end part. One side end part in the width direction of the absorbent auxiliary pad has a wing-shaped flap part, and on a surface on a clothing side of the flap part, fixing means for fixing to the absorbent article is formed.SELECTED DRAWING: Figure 1
Patent JP-2018123083-A (JP)
Title: Novel anthracene derivative, material for organic electroluminescent element, material solution for organic electroluminescent element, organic electroluminescent element and electronic apparatus
Inventor: YASUKAWA KEIICHI
IPC: H01L51/50
Filed: 2017-01-31
Abstract: PROBLEM TO BE SOLVED: To provide a novel anthracene derivative, and a material for an organic electroluminescent element that uses the same and can form an organic thin film by an application method.SOLUTION: The present invention provides an anthracene derivative represented by the formula (1).SELECTED DRAWING: Figure 1
Patent JP-2018124206-A (JP)
Title: Test piece holding tool and tensile test device, and uniaxial tensile test method
Inventor: MIYAZAKI HIROYUKI
IPC: G01N3/04
Filed: 2017-02-02
Abstract: PROBLEM TO BE SOLVED: To provide a test piece holding tool suitably applicable to a uniaxial tensile test method capable of evaluating strength of a test piece made of a fragile material rapidly and accurately, and to provide a tensile testing device including the test piece holding tool, and the uniaxial tensile test method.SOLUTION: A test piece holding tool 1A includes: a first holding tool 1 including a first fixing surface part 11 for fixing one end of a test piece 5 by a solidifying material 36 and a first connection part 110 for directly or indirectly connecting a tensile test device 6, and a second holding tool 2 including a second fixing surface part 22 for fixing the other end of the test piece 5 by the solidifying substance 36 and a second connection part 220 directly or indirectly connected to the tensile test device 6. A uniaxial tensile test method allows one end of the test piece 5 to be fixed to the first holding tool 1 and the other end to be fixed to the second holding tool 2 by the solidifying substance 36, allows the first holding tool 1 and the second holding tool 2 to be directly or indirectly connected to the tensile test device 6, and applies a uniaxial tensile load to the test piece 5 via the first holding tool 1 and the second holding tool 2.SELECTED DRAWING: Figure 3
Patent JP-2018122554-A (JP)
Title: Member, liquid jet head chip, liquid jet head, liquid jet device, and cutting method
Inventor: KUBOTA ZEN
IPC: B41J2/14
Filed: 2017-02-03
Abstract: PROBLEM TO BE SOLVED: To provide a member which can be easily cut from a base material and enables improvement of accuracy of a cutting surface, and to provide a liquid jet head chip, a liquid jet head, a liquid jet device, and a cutting method.SOLUTION: A member 100 of an embodiment is a member having a cutting surface F formed by being cut from a base material and includes: a backing material 101 included in the base material; and a filler 103 which is buried in gaps 102 provided at the base material and has sectility more excellent than the backing material 101. The backing material 101 and the filler 103 are exposed on the cutting surface F.SELECTED DRAWING: Figure 3
Patent JP-2018124930-A (JP)
Title: Agent retrieval system, agent retrieval method, and agent retrieval program
Inventor: SHIMIZU KENTARO
IPC: G06Q30/06
Filed: 2017-02-03
Abstract: PROBLEM TO BE SOLVED: To provide an agent retrieval system capable of objectively determining reliability of a retrieved order placement destination candidate agent.SOLUTION: An agent retrieval system includes: an agent search unit (43) for searching a lower level agent to be an order placement destination candidate from an upper level agent to be an order placement source via a set of the upper level agent and the lower level agent having contract results with each other in series; a relationship degree calculation unit (44) for calculating a relationship degree representing contract results for each set on a search path from an order placement source agent to an order placement destination candidate agent; and a relationship score calculation unit (45) for calculating a relationship score representing relationship between the order placement source agent and the order placement destination candidate agent based on the relationship degree of each set.SELECTED DRAWING: Figure 1