baber/WOPTO huggingface dataset:
Patent WO-2018198856-A1 (WO)
Inventor: OKADA TAKAHIRO
IPC: H01L21/56
Filed: 2018-04-16
Abstract: L'invention concerne un module de circuit (101) comprenant : une carte de câblage (1) ayant une surface principale (1u); un composant électronique (3) monté sur la surface principale (1u); et une résine d'étanchéité (4) qui recouvre, sur la surface principale (1u), au moins une partie du composant électronique (3). Un évidement (7) est formé au moins dans une partie d'une surface latérale (11) de la résine d'étanchéité (4), et au moins l'évidement (7) est recouvert d'un film conducteur (6).
Patent WO-2018216584-A1 (WO)
Inventor: OZAKI MITSUTAKA
IPC: C08G64/04
Filed: 2018-05-17
Abstract: 低分子量成分が著しく低減され、含塩素化合物がないか又は著しく低減された、ゆるみ嵩密度が大きく取扱い容易な芳香族ポリカーボネートオリゴマー固形体を提供することを課題とする。 下記式（１）で表される繰り返し単位を含み、重量平均分子量が５００～１００００、高速液体クロマトグラフィーでの測定において低分子量成分が５．０面積％以下、ゆるみ嵩密度が０．２２ｇ／ｃｍ３以上である芳香族ポリカーボネートオリゴマー固形体により、上記課題は解決できる。
Patent WO-2019003729-A1 (WO)
Title: Multilayer wiring board and method for manufacturing multilayer wiring board
Inventor: SATO TAKAKO
IPC: H05K3/40
Filed: 2018-05-23
Abstract: This multilayer wiring board is characterized by being provided with: a first insulating layer; a second insulating layer laminated on the first insulating layer; a first conductor wiring layer that is provided on the surface of the first insulating layer, said surface being on the reverse side of the second insulating layer; a second conductor wiring layer that is provided on the surface of the second insulating layer, said surface being on the first insulating layer side; an interlayer connecting conductor, which is provided by penetrating the first insulating layer in the lamination direction so that the first conductor wiring layer and the second conductor wiring layer are connected to each other, and which contains an intermetallic compound; a first intermetallic compound layer, which is provided between the first conductor wiring layer and the interlayer connecting conductor, and which contains an intermetallic compound; and a second intermetallic compound layer, which is provided between the second conductor wiring layer and the interlayer connecting conductor, and which contains an intermetallic compound. The multilayer wiring board is also characterized in that: the intermetallic compound contained in the first intermetallic compound layer, and the intermetallic compound contained in the second intermetallic compound layer respectively have compositions that are different from the composition of the intermetallic compound contained in the interlayer connecting conductor; and the first intermetallic compound layer is provided at a position at a height that is different from, in the lamination direction, that of an interface between the first conductor wiring layer and the first insulating layer.
Patent WO-2018225626-A1 (WO)
Inventor: TAKAHASHI KOJI
IPC: H05B6/64
Filed: 2018-05-31
Abstract: La présente invention concerne un four à micro-ondes (1) comprenant un boîtier en forme de boîte (2) comportant une porte (21) pour ouvrir/fermer une ouverture servant à insérer et à retirer un article à cuire, et un magnétron (4) qui est agencé dans le boîtier (2) et qui génère des ondes électromagnétiques au moyen de l'électricité fournie par une batterie rechargeable (100) pour un outil électrique. Selon cette configuration, la batterie (100) pour un outil électrique peut facilement être fixée à et détachée du four à micro-ondes (1).
Patent WO-2019004220-A1 (WO)
Title: Magnesium secondary battery and positive electrode material for magnesium secondary battery
Inventor: MIZUNO YOSHIFUMI
IPC: H01M10/054
Filed: 2018-06-26
Abstract: Provided is a magnesium secondary battery comprising: a positive electrode member having at least a positive electrode active substance layer; a separator disposed facing the positive electrode member; a negative electrode member containing magnesium or a magnesium compound and disposed facing the separator; and an electrolyte solution containing a magnesium salt. The positive electrode active substance layer is formed of a positive electrode material comprising a porous carbon material 13, a composite material 11 formed of sulfur or a sulfur compound, and a coating material layer 14 containing an anionic polymer material and a cationic polymer material.
Patent WO-2020003415-A1 (WO)
Title: Heat exchanger, refrigeration cycle device, and production method for heat exchanger
Inventor: MURATA KENTA
IPC: F28F1/32
Filed: 2018-06-27
Abstract: A heat exchanger (21) in which a plurality of fins (23) are arranged so as to be separated from each other. Each fin (23): has opposite first and second end parts (24a), (24b) that are separated from each other in the width direction; and extends as a band in a direction that intersects the width direction. The surface of each of the plurality of fins (23) is coated with an adsorbent (31), a portion of the fin (23) that extends from the first end part (24a) to a heat transmission tube (27) being coated with an adsorbent (31a), and a portion of the fin (23) that extends from the heat transmission tube (27) to the second end part (24b) being coated with an adsorbent (31b). Adsorbent (31b) is applied less thickly than adsorbent (31a).
Patent WO-2019044326-A1 (WO)
Title: Compressor
Inventor: FUNAKOSI DAISUKE
IPC: F04C29/06
Filed: 2018-07-31
Abstract: A compressor (50) comprises a sealed container (1), a compression mechanism part (2) provided inside the sealed container (1), an electric motor part (3) that drives the compression mechanism part (2), and a pump (18) that supplies oil to the electric motor part (3). The compressor (50) also comprises an oil discharge pump (25) that is connected to the compression mechanism part (2) and that returns oil to a space below the electric motor part (3) inside the sealed container (1) after the oil has lubricated the compression mechanism part (2). An end part of the oil discharge pump (25) is secured to the sealed container (1).
Patent WO-2019031330-A1 (WO)
Title: Measuring device, transmission method, and program
Inventor: KUBO NOBUO
IPC: A61B5/02
Filed: 2018-08-01
Abstract: A measuring device according to one embodiment of the present invention is provided with: a measurement result acquisition unit for acquiring, from a sensor, a plurality of measurement results including a first measurement result, a second measurement result, a third measurement result and a fourth measurement result, the plurality of measurement results being obtained by measuring amounts pertaining to information using the sensor at intervals of time; and a transmission processing unit for transmitting a plurality of measurement results including the first measurement result and the second measurement result by means of a packet for one-way communication during a first period before the third measurement result is obtained after the second measurement result is obtained, and transmitting a plurality of measurement results including the second measurement result and the third measurement result by means of a packet for one-way communication during a second period before the fourth measurement result is obtained after the third measurement result is obtained.
Patent WO-2019044838-A1 (WO)
Title: Paint composition for forming hardcoat layer, and optical component
Inventor: SAKAI MASATOSHI
IPC: C09D183/07
Filed: 2018-08-28
Abstract: [Problem] To provide a paint composition, etc., which has high wettability to a plastic substrate and with which it is possible to form, on a plastic substrate, a hardcoat layer having high adhesiveness to the substrate and having good appearance. [Solution] A paint composition for forming a hardcoat layer for a plastic substrate, the paint composition comprising (A) an organic silicon compound represented by general formula :R1R2 aSi(OR3)3-a (R1-R3 each denote a hydrocarbon group, etc., and a denotes 0 or 1) or a hydrolysate thereof, etc., (B) silica-based fine particles, (C) a curing agent including a polybasic carboxylic acid, etc. and a cyanamide derivative compound, (D) a leveling agent, and (E) a solvent including a predetermined amount of water and an organic solvent.
Patent WO-2019069625-A1 (WO)
Title: Supercritical fluid chromatograph, and method for analysis by supercritical fluid chromatography
Inventor: MATSUMOTO KEIKO
IPC: G01N30/26
Filed: 2018-09-10
Abstract: This supercritical fluid chromatograph is provided with an analysis flow path, a mobile phase solution sending unit, a masking fluid solution sending unit, a specimen injection unit, an analysis column, and a back-pressure adjustment unit. The mobile phase solution sending unit sends a mobile phase into the analysis flow path. The masking fluid solution sending unit sends a masking fluid into the analysis flow path. The masking fluid is a fluid for imparting, to the inner surface of metal piping that forms the analysis flow path, an action for suppressing adsorption of a metal adsorptive substance. The specimen injection unit injects a specimen into the analysis flow path. The analysis column is provided above the analysis flow path, and is used in order to separate the specimen injected into the analysis flow path by the specimen injection unit. The back-pressure adjustment unit is provided to the downstream end of the analysis flow path, the back-pressure adjustment unit adjusting the pressure within the analysis flow path.
Patent WO-2019054313-A1 (WO)
Title: Agent for improving physical condition
Inventor: UCHIYAMA TARO
IPC: A61P43/00
Filed: 2018-09-10
Abstract: [Problem] To provide an agent for improving physical condition, the agent having the excellent effect of improving symptoms such as ordinary fatigue and containing a natural, highly safe active ingredient that can be orally ingested on a continuous basis. [Solution] An agent for improving physical condition characterized in containing the plant bodies of lingonberry (Vaccinium vitis-idaea) and amla (Phyllanthus emblica or Emblica officinale) or extracts thereof.
Patent WO-2019069632-A1 (WO)
Title: Input device
Inventor: OSUGI TAKUYA
IPC: G06F3/0338
Filed: 2018-09-10
Abstract: An input device comprising: an input unit (120) to which an operation force in a direction along a virtual operation plane (OP) is input; a slide plate (130) affixed to a prescribed support unit (110) and arranged parallel to the operation plane; a sliding part (123) that slides along the slide plate; a first actuator (161) having a first magnetic pole formation part (161a) and a first coil (1611) through which magnetic flux generated by the first magnetic pole formation part passes; a second actuator (162) having a second magnetic pole formation part (162a) and a second coil (1622) through which magnetic flux generated by the second magnetic pole formation part passes; and a movable yoke (140) and stationary yoke (150) that form a magnetic circuit with respect to the magnetic flux of the second magnetic pole formation part. The frictional force (Ffric) generated between the slide plate and the sliding part is set so as to be greater than a dead-weight force (Ffall) acting along the slide plate due to the dead weight of the input unit and the movable yoke.
Patent WO-2019059031-A1 (WO)
Title: Process fiber and laser processing system in which same is used
Inventor: NAGAYASU DOUKEI
IPC: B23K26/064
Filed: 2018-09-11
Abstract: Provided is a process fiber (20) including a first light transmission part for transmitting processing laser light from a processing laser light source (12) of a laser processing system (1), wherein: the process fiber (20) is provided with a measurement light source (14), and a second light transmission part that is secured along the first light transmission part and transmits measurement laser light from the measurement laser light source (14); and the process fiber (20) is configured so as to detect, on the basis of the measurement laser light reflected by the second light transmission part, the curvature radius of the light transmission part at a prescribed position.
Patent WO-2019065285-A1 (WO)
Title: Melilite composite oxide
Inventor: OGAWA SATOSHI
IPC: C01B33/24
Filed: 2018-09-13
Abstract: Provided is a novel compound which can be used for a positive-electrode catalyst of a metal-air battery. The melilite composite oxide according to the present invention is represented by general formula (BazSr1-z)2CoxFe2-2x(SiyGe1-y)1+xO7 (in the formula, 0 ≤ x ≤ 1, 0 ≤ y ≤ 1, and 0 ≤ z ≤ 1, excluding the case where x = 1, y = 1, and z = 0, the case where x = 1, y = 1, and z = 1, the case where x = 1, y = 0, and z = 0, the case where x = 1, y = 0, and z = 1, the case where x = 0, y = 0, and z = 0, and the case where x = 0, y = 0, and z = 1).
Patent WO-2019059168-A1 (WO)
Title: Image exposing apparatus
Inventor: USAMI YOSHIHISA
IPC: G03F7/20
Filed: 2018-09-18
Abstract: Provided is an image exposing apparatus capable of recording good images and being miniaturized. The image exposing apparatus (10) is provided with: an image display device (12) having pixels (13); a photosensitive recording medium-supporting part (21) which supports a photosensitive recording medium (14) that records an image of the image display device (12) such that an exposure surface (14A) of the photosensitive recording medium (14) faces the image display device (12); and a transmission light control part (16) disposed between the image display device (12) and the photosensitive recording medium-supporting part (21), the transmission light control part (16) being configured by laminating at least three transmission members (100), each of which has a plurality of openings (102) and transmits only light that is incident on the openings (102).
Patent WO-2019116678-A1 (WO)
Title: 中性子捕捉療法システム、中性子捕捉療法用患者載置台、患者姿勢確認システム、および患者姿勢確認方法
Inventor: YAMAGUCHI TAKASHI
IPC: A61N5/10
Filed: 2018-09-27
Abstract: 中性子捕捉療法システムは、中性子線を照射する照射口が設けられた照射室と、前記照射室とは異なる第２の作業室の室内において、前記中性子線の照射時における姿勢を呈する患者を撮像するＣＴ装置と、を有する。
Patent WO-2019073855-A1 (WO)
Title: Port-locking actuator device for vehicle inlet
Inventor: MOTOMIYA MASAHIRO
IPC: B60K1/04
Filed: 2018-10-02
Abstract: An actuator device (28) has a manual operation element (38) and a lock position-changing element (54) positioned in a fixed part (32) so as to be capable of changing positions. The lock position-changing element (54) is capable of changing between a locked position and an unlocked position. The manual operation element (38) engages the lock position-changing element (54), and changes the lock position-changing element (54) to a locked/unlocked position via a manual operation. The fixed part (32) has lock position-changing element stoppers (90a, 90b) and manual operation element stoppers (102a, 102b). The lock position-changing element (54) has lock position-changing element stopper contact surfaces (48a, 48b). The manual operation element (38) has manual operation element stopper contact surfaces (105a, 105b). When the manual operation element (38) is operated, changes in the position of the manual operation element (38) are locked by contact of the manual operation element stopper contact surfaces (105a, 105b) with the manual operation element stoppers (102a, 102b) before the lock position-changing element stopper contact surfaces (48a, 48b) contact the lock position-changing element stoppers (90a, 90b).
Patent WO-2020070861-A1 (WO)
Title: Transmission system, transmission device, and program
Inventor: NAGAE YUKI
IPC: H04L12/26
Filed: 2018-10-04
Abstract: According to the present invention, a data acquisition unit acquires multiple pieces of sensor data outputted from multiple sensors. A storage unit stores therein multiple methods for reducing the data amount of at least one of the multiple pieces of sensor data. A situation acquisition unit acquires situation information indicating the situation of communication between a server device and a client device. A setting unit sets a target transmission rate in accordance with the situation information. A determination unit determines planned transmission rates for the multiple pieces of sensor data on the basis of the data amount per unit time of each of the multiple pieces of sensor data. An adjustment unit makes adjustment to the data amount of at least one of the multiple pieces of sensor data, by using at least one of the multiple methods, so as to bring the planned transmission rate to be equal to or lower than the target transmission rate. A transmission unit transmits, to the server device, the multiple pieces of sensor data that have undergone the adjustment.
Patent WO-2019073969-A1 (WO)
Title: User equipment and wireless communication method
Inventor: MATSUMURA YUKI
IPC: H04J13/16
Filed: 2018-10-09
Abstract: The purpose of the present invention is to appropriately transmit a plurality of items of uplink control information. This user equipment comprises: a control unit that controls the performance of a first coding on at least one of a plurality of items of uplink control information, the connection of a plurality of items of information obtained by the first coding, and performance of a second coding on the connected information; and a transmission unit that transmits information obtained by the second coding using an uplink control channel.
Patent WO-2020105107-A1 (WO)
Title: Variable power optical system, optical device and method for producing variable power optical system
Inventor: ISHIKAWA TAKAHIRO
IPC: G02B15/20
Filed: 2018-11-20
Abstract: The present invention provides a variable power optical system which is composed of a plurality of lens groups including a first negative lens group having a negative refractive power and a second negative lens group that is arranged on the image side of the first negative lens group, and which is configured such that: the distances between lens groups adjacent to each other are changed during zooming; the first negative lens group and the second negative lens group move along the optical axis; the first negative lens group is able to move so as to include a component in a direction perpendicular to the optical axis, while serving as a vibration-reduction lens group; the second negative lens group moves along the optical axis during focusing; and a specific conditional expression is satisfied. Consequently, the present invention is able to provide a variable power optical system which has high optical performance, while having a vibration-reduction lens group that is reduced in size.
Patent WO-2019131518-A1 (WO)
Title: 助溶媒によるテトラアルコキシシランの製造方法
Inventor: FUKAYA NORIHISA
IPC: C07F7/04
Filed: 2018-12-21
Abstract: テトラアルコキシシランを省エネルギーかつ高収率で製造することができる方法を提供する。アルコールと酸化ケイ素を脂肪族炭化水素溶媒の存在下で反応させる第一工程、及び前記第一工程で得られた反応混合物の気化成分をモレキュラーシーブに接触させる第二工程を含むことによって、テトラアルコキシシランを高収率で製造することができる。
Patent JP-WO2017142029-A1 (JP)
Title: ユーザ端末及び無線基地局
IPC: H04W52/34
Filed: 2017-02-16
Abstract: 時間長が異なる複数のＴＴＩが混在する場合であっても、通信を適切に行うこと。本発明のユーザ端末は、通常ＴＴＩ及び／又は当該通常ＴＴＩよりも少ないシンボル数で構成される短縮ＴＴＩにおいて、上り共有チャネルを送信する。当該ユーザ端末は、前記上り共有チャネルを送信するＴＴＩ長に応じて個別に設定される個別パラメータに基づいて、前記上り共有チャネルの送信電力を制御する。
Patent JP-WO2017150142-A1 (JP)
Title: ホットメルト接着剤
IPC: C09J175/04
Filed: 2017-02-10
Abstract: 本発明の目的は、温度依存性が少なく、融点を超えるとすぐに流動性が発現し、かつ引張破断強度に優れるホットメルト接着剤を提供することであって、本発明のホットメルト接着剤は、芳香環を有するポリオール（Ａ）、対称性を有するジイソシアネート（Ｂ）、一般式（１）で示されるポリメチレングリコール（Ｃ１）及び／又は一般式（２）で示されるポリエチレングリコール（Ｃ２）であるグリコール（Ｃ）、並びに高分子ポリオール（Ｄ）を必須構成単量体とする熱可塑性ウレタン樹脂（Ｆ）を含有する。ＨＯ−（ＣＨ２）ｎ−ＯＨ （１）［ｎは２〜８の整数である。］ＨＯ−（ＣＨ２ＣＨ２Ｏ）ｍ−Ｈ （２）［ｍは２〜８の整数である。］
Patent JP-WO2019043836-A1 (JP)
Title: パラメータ選定支援システム、パラメータ選定支援方法およびパラメータ選定支援プログラム
IPC: G05B23/02
Filed: 2017-08-30
Abstract: 駆動装置の容量に基づいて、駆動装置が駆動する負荷の運転パターンおよび機械条件にかかるパラメータの選定を支援するパラメータ選定支援システム（１００）であって、パラメータの入力画面を表示する表示部（１３０）と、パラメータおよび容量を受け付ける受付部（１２０）と、受付部が受け付けた容量において許容されるパラメータの許容範囲を計算し、表示部に入力画面において許容範囲を表示させる制御部（１１０）と、を備え、運転パターンにかかるパラメータは負荷の移動量を含んでいる。
Patent JP-WO2017217439-A1 (JP)
Title: チエノ［２，３−ｂ］ピリジン誘導体およびキノリン誘導体ならびにそれらの使用
IPC: A61K31/444
Filed: 2017-06-14
Abstract: 本発明は、ALS関連変異型SOD1とDerlin-1との結合を阻害する化合物、該化合物を含有する医薬、および、該医薬を患者に投与することによるALSの治療方法の提供を目的とする。より具体的には、前記化合物は、下記の一般式（１）で表される。     ［式（１）中、Ｘは硫黄原子または−ＣＨ＝ＣＨ―を表し、Ａ １ 〜Ａ ４ はそれぞれ独立して炭素原子または窒素原子であってＡ １ 〜Ａ ４ のうち少なくとも１つは窒素原子であり、Ｒ １ は１，２，３，４−テトラヒドロキノリル基（または、３，４−ジヒドロ−１（２Ｈ）−キノリル基）、３，４−ジヒドロ−４，４−ジメチル−１（２Ｈ）−キノリル基、２，３，４，５−テトラヒドロ−１Ｈ−１−ベンゾアゼピニル基または下記の式（２）で表される置換基     （式（２）中、Ｒ ４ は無置換もしくは置換基を有していてもよいフェニル基、無置換もしくは置換基を有していてもよいピリジル基または無置換もしくは置換基を有していてもよいナフチル基、Ｒ ５ は水素原子、低級アルキル基、低級アルケニル基、低級アルキニル基（酸素原子および／または二重結合を含んでもよい）または無置換もしくは置換基を有していてもよい芳香族低級アルキル基を表す）のいずれかであり、Ｒ ２ は水素原子、低級アルキル基、低級アシル基または無置換もしくは置換基を有していてもよい芳香族低級アルキル基、Ｒ ３ は水素原子を表し、あるいは、Ｒ ２ とＲ ３ は互いに結合して環を形成してもよい。］
Patent JP-WO2018011920-A1 (JP)
Title: 把持処置具
IPC: A61B18/14
Filed: 2016-07-13
Abstract: 把持処置具は、底面を有する凹部を備えるジョーと、生体組織に接触するリッジを有する把持部材とを有する。把持部材は所定の回転軸よりも先端側の位置でジョーの凹部の底面に当接される第１位置と、回転軸よりも基端側の位置で凹部の底面に当接される第２位置との間を回動可能である。リッジは第１位置及び第２位置において、ジョーの先端部と基端部との間の領域で、第１及び第２縁部に対して凹部の底面に向かう方向とは反対側に突出している。
Patent JP-WO2019012678-A1 (JP)
Title: 電子モジュール
IPC: H01L25/07
Filed: 2017-07-14
Abstract: 電子モジュールは、第一基板１１と、第一電子素子１３と、第二電子素子２３と、第二基板２１と、前記第一基板１１側に設けられた第一端子部１１０と、前記第二基板２１側に設けられた第二端子部１２０と、を備える。前記第一端子部１１０は、第一面方向延在部１１４と、一方側又は他方側に延びた第一法線方向延在部１１３と、を有する。前記第二端子部１２０は、第二面方向延在部１２４と、一方側又は他方側に延びた第二法線方向延在部１２３と、を有する。前記第一面方向延在部１１４の一方側に前記第二面方向延在部１２４が設けられ、前記第一面方向延在部１１４と前記第二面方向延在部１２４が面方向で重複する。
Patent JP-WO2018061354-A1 (JP)
Title: 情報提供装置、及び移動体
IPC: G08G1/16
Filed: 2017-06-22
Abstract: 情報提供装置６０は、車両１の試乗者Ｐ１の感情を推定する感情エンジン６６と、試乗者Ｐ１による車両１に対する行動を検出する行動検出部６５と、行動検出部６５により検出された試乗者Ｐ１の行動と、行動が検出された時に感情エンジン６６により推定された試乗者Ｐ１の感情とに基づいて、車両１が有する機能のうち、試乗者Ｐ１の興味を惹く特定機能を推定する興味有機能推定部６７と、特定機能に関する情報を試乗者Ｐ１に提供する情報提供部６９を備える。
Patent JP-WO2019123979-A1 (JP)
Title: 二軸配向積層フィルム
IPC: B32B27/18
Filed: 2018-11-26
Abstract: 熱可塑性樹脂Ｂを主成分とする層（Ｂ層）の少なくとも片面に、厚みが０．５μｍ以上２μｍ以下である熱可塑性樹脂Ａを主成分とし、不活性粒子を含有する層（Ａ層）を有する積層フィルムであり、該積層フィルムが特定の要件を満たす二軸配向積層フィルムによって、透明性を損なうことなく、製膜時のキズ、及び表面加工中のキズによる歩留まり低下を抑制する二軸配向積層フィルムを提供する。【選択図】なし
Patent JP-WO2018142994-A1 (JP)
Title: 接合構造
IPC: B23K9/23
Filed: 2018-01-23
Abstract: 互いに溶接が可能な一つ以上の同種系金属材（１，３）にて、同種系金属材に対して溶接が困難な異種材（２）を挟み込む重ね継手の接合構造であって、一つ以上の同種系金属材が互いに溶融接合される溶接部周辺に、同種系金属材の板厚方向に貫通する一つ以上の排出穴または排出溝（３ａ）を設けた同種系金属材と異種材とを固定する接合構造を有するものである。
Patent WO-2020144872-A1 (WO)
Inventor: AFIFI ANIS ALIA
IPC: G06Q30/02
Filed: 2019-01-11
Abstract: Provided is a technique which involves: upon receiving input of definition information relating to a coupon issuing service, creating point definitions (113, 114) pertaining to points to be granted in response to a prescribed action by a user and coupon definitions (115, 116) relating to a coupon to be provided to the user in accordance with the points on the basis of the definition information and recording said definitions in a blockchain (distributed ledger); upon receiving an action history of the user, updating the value of a point instance (118) of the user on the basis of the point definition (113) and recording the same in the blockchain; and, when the updated value of the point instance satisfies a condition which is defined in the coupon definition (115), updating the value of a coupon instance (119) of the user and recording the same in the blockchain. This technique thereby improves the efficiency of the operation of a blockchain-based coupon issuing service.