baber/WOPTO huggingface dataset:
Patent WO-2021235350-A1 (WO)
Title: Bending system and method for using same
Inventor: KOIZUMI NORIHISA
IPC: B21D5/02
Filed: 2021-05-14
Abstract: In this bending system (10) and method for using the same, the bending system (10) comprises a bending robot (22) which is for assisting bending of a workpiece (W) and which is provided between a press brake (12) and a prescribed setting area (SA) in front of the press brake (12). The bending robot (22) has a robot hand (26) which holds the workpiece (W) that is on a pallet (14) set in the prescribed setting area (SA). Provided in front of and above the prescribed setting area (SA) is an imaging unit (30) which images the workpiece (W) on the pallet (14) from diagonally above the workpiece (W). Provided in an upright manner in front and to the left of the prescribed setting area (SA) is a first lighting unit (32) which shines illumination light toward the imaging range of the imaging unit (30). Provided in an upright manner in front of and to the right of the prescribed setting area (SA) is a second lighting stand (60) which shines illumination light toward the imaging range of the imaging unit (30).
Patent WO-2022259480-A1 (WO)
Title: Video processing device, video processing method, and video processing program
Inventor: KAKINUMA HIROKAZU
IPC: H04N7/18
Filed: 2021-06-10
Abstract: A video processing device (20) comprises a reception unit (2011), a distance inference unit (2012), a video processing unit (2014), and a transmission unit (2015). The reception unit receives a video. The distance inference unit infers a viewing distance on the assumption that a person was viewing a landscape in the range equivalent to that of the video. The video processing unit processes the video so that the size of a reference object appearing on the video at the viewing distance conforms to the actual size of the reference object. The transmission unit transmits the processed video to a display device.
Patent WO-2022259501-A1 (WO)
Inventor: UMEMOTO TAKAHIRO
IPC: H02K3/40
Filed: 2021-06-11
Abstract: 本開示技術に係る回転電機は、固定子鉄心（２）と、低抵抗コロナシールド層（９）が成層されている固定子コイル（３）と、を含み、前記低抵抗コロナシールド層（９）は端部がコイル長手方向に対して斜めに形成され、凸側端部（１１）と凹側端部（１２）とを有し、前記凸側端部（１１）の位置が隣接するコイルの前記凹側端部（１２）の位置よりもコイル長手方向にそって前記固定子鉄心（２）とは逆側にずれ量Ｄだけずれて配置され、前記ずれ量Ｄは、凹側飽和距離ｄ ｍａｘ 以下である。
Patent WO-2021261302-A1 (WO)
Inventor: TACHI TOMOHIRO
IPC: G01N21/88
Filed: 2021-06-11
Abstract: The present invention comprises: a camera (10) that acquires a plurality of images of the same inspection region; and a controller (100) that has a defect candidate extraction unit (105) which extracts a defect candidate region from each of the plurality of images and a feature amount calculation unit (106) which, for at least two images among the plurality of images, calculates a feature amount of each region corresponding to a defect candidate region in the entirety of each image, wherein the plurality of images include image of differing lighting conditions, and, when acquiring the plurality of images, the camera (10) is fixed so as not to move relative to a workpiece (W) until all images are acquired.
Patent WO-2022014400-A1 (WO)
Title: Wiring structure, method for producing same, and imaging device
Inventor: SEJIMA KOICHI
IPC: H01L27/06
Filed: 2021-07-06
Abstract: The present invention provides a wiring structure which is suitable for reduction of the wiring capacitance. This semiconductor device comprises: a wiring layer which comprises a plurality of wiring lines that extend in a first direction; a first insulating film which is superposed on the wiring layer and comprises a void that is present in a gap region which is sandwiched between a plurality of wiring lines that are adjacent to each other in a second direction; and a second insulating film which is arranged between a plurality of wiring lines and the first insulating film. Each wiring line comprises: a metal film which is formed of a conductive material that contains a first metal; and a barrier metal layer which partially covers the periphery of the metal film in a cross-section that is perpendicular to the first direction, while being formed of a material containing a second metal that suppresses diffusion of the first metal. The second insulating film is arranged so as to cover a part of the metal film, and contains an insulating material that suppresses diffusion of the first metal.
Patent WO-2022070550-A1 (WO)
Inventor: ANDOU HIROKI
IPC: F24F11/64
Filed: 2021-07-13
Abstract: An air-conditioning device 10 comprising a detection unit 130 that detects a load in a room, a notification unit 140 that notifies a user of information, and a control unit 150, wherein the control unit 150 causes the notification unit 140 to notify the user that ventilation is necessary if a load condition is satisfied, the load condition indicating that a variation in the load detected by the detection unit 130 is within a prescribed range in a first time P 1 .
Patent WO-2022014592-A1 (WO)
Title: Compound semiconductor substrate and method for manufacturing compound semiconductor substrate
Inventor: OUCHI SUMITO
IPC: H01L29/778
Filed: 2021-07-13
Abstract: [Problem] To provide: a compound semiconductor substrate that can suppress surface roughness of a barrier layer while suppressing gate leakage; and a method for manufacturing the compound semiconductor substrate. [Solution] This method for manufacturing a compound semiconductor substrate comprises: a step for forming an electron transit layer comprising a first nitride semiconductor; a step for forming, on the electron transit layer, a barrier layer comprising a second nitride semiconductor with a band gap wider than the band gap of the first nitride semiconductor; and a step for forming a cap layer on the barrier layer and in contact with the barrier layer, using a metal-organic vapor phase growth method. The cap layer has a carbon concentration of at least 5 × 10 17  atoms/cm 3  and no greater than 1 × 10 20  atoms/cm 3 , and comprises a nitride semiconductor. In the step for forming a cap layer, a raw-material gas of the nitride semiconductor that constitutes the cap layer, and a hydrocarbon gas are introduced onto an upper surface of the barrier layer.
Patent WO-2023012906-A1 (WO)
Inventor: ITO SEIJI
IPC: B21B27/02
Filed: 2021-08-03
Abstract: The present invention provides a forged steel roll for cold rolling in which the Vickers hardness Hv at 400°C is 400 or greater.
Patent WO-2023021601-A1 (WO)
Inventor: KATO MITSUAKI
IPC: H05K3/34
Filed: 2021-08-18
Abstract: L'invention concerne un dispositif de transport utilisé pour un système de montage comprenant un dispositif associé au montage qui effectue un processus lié au montage lié à un processus de montage pour monter des composants sur un objet cible. L'invention concerne un dispositif de transport comprenant : une unité de transport qui comprend un trajet de transport, est capable de changer la largeur de transport du trajet de transport, et transporte l'objet cible ; une unité de changement qui change la largeur de transport du trajet de transport ; une unité de détection pour détecter un trajet de transport dont la hauteur est également modifiable et qui est incluse dans un dispositif associé au montage disposé de manière adjacente au dispositif de transport ; et une unité de commande qui exécute un processus de suivi pour commander l'unité de changement pour changer la largeur de transport du trajet de transport du dispositif de transport pour correspondre à la largeur de transport du trajet de transport adjacent sur la base du résultat de détection de l'unité de détection et exécute un processus de suspension pour empêcher l'exécution du processus de suivi sur la base d'un changement du résultat de détection.
Patent WO-2022059425-A1 (WO)
Title: Rotating electric machine unit
Inventor: SANO TOMOHISA
IPC: H02K9/19
Filed: 2021-08-23
Abstract: In this motor unit, a power converter (13) is provided in a position separated in the circumferential direction (CD) from the outer top part (47a) of the outer peripheral surface (47) of a motor case (45). In the power converter (13), a power module (61) and a control substrate (62) are housed in the internal space (75) of a device case (70). A device cooler (80) is provided in the power converter (13). The device cooler (80) has a device cooling path (82) which extends along the power module (61). A first end (83a) – the top end – of the device cooling path (82) is provided in the upper space (75a) of the device case (70). In the device cooling path (82), a device inlet where a refrigerant enters and a device outlet (82b) where the refrigerant exits are provided side-by-side in the axial direction (TD).
Patent WO-2023026334-A1 (WO)
Inventor: MOKI TATSUYA
IPC: E02D27/42
Filed: 2021-08-23
Abstract: 本発明は、重機が使えない施工環境においても、少ない作業員で、効率よく、安全に電柱を建設することができる建柱方法を提供することを目的とする。　本発明に係る建柱方法は、円筒状であり、一端６０ａを下として地面に垂直に建てたとき、他端６０ｂにおける一部の縁６１ａが他の縁６１ｂより高くなる構造体６０を用意すること（ステップＳ０１）、構造体６０の一端６０ａを地中に埋設すること（ステップＳ０２）、前記地面に横倒しした電柱１０ａの下端部１０ａ－１を、構造体６０の他の縁６１ｂに載せること（ステップＳ０３）、前記電柱の前記下端部を内壁６２に押しあてること（ステップＳ０４）、及び電柱１０ａの下端部１０ａ－１を内壁６２に押しあてたまま、他の縁６１ｂを支点として電柱１０ａの上端部１０ａ－２を持ち上げ、電柱１０ａを構造体６０の空洞部６３に滑り落して建柱すること（ステップＳ０５）を特徴とする。
Patent WO-2022045153-A1 (WO)
Title: Conductive material dispersed liquid for electrochemical element, slurry for electrochemical element electrode, electrode for electrochemical element, and electrochemical element
Inventor: NAKAI AKITO
IPC: H01M4/62
Filed: 2021-08-24
Abstract: The purpose of the present invention is to provide a conductive material dispersed liquid for an electrochemical element capable of forming an electrode that excels in flexibility and smoothness, and that can cause an electrochemical element to exhibit an excellent cycle characteristic. The conductive material dispersed liquid of the present invention includes a conductive material, a dispersing agent containing CNT, and a dispersion medium. The conductive material dispersed liquid of the present invention has a Casson viscosity of 30 (Pa·s) 1/2  or less, a Casson yield value of 20 Pa 1/2  or less, and a hysteresis constant of 0.7 or less. Further, the hysteresis constant is calculated via expression (I).　(I) Hysteresis constant C=(N 1 -N 2 )/N 1  (N 1 : viscosity (Pa·s) of conductive material dispersed liquid at shear rate 10s -1  when shear rate is caused to increase from 10 -2 s -1  to 10 3 s -1  and viscosity (25°C) is measured; N 2 : viscosity (Pa·s) of conductive material dispersed liquid at shear rate 10s -1  when shear rate is caused to decrease from 10 3 s -1  to 10 -2 s -1  and viscosity (25°C) is measured)
Patent WO-2022070814-A1 (WO)
Inventor: IKAI NAOHIRO
IPC: C03B33/09
Filed: 2021-09-08
Abstract: This production method for a glass roll includes a conveyance process comprising: a suction conveyance step for conveying a glass film before a cutting step by sucking the film by means of a sucking conveyance device positioned upstream of a laser irradiation device in a conveyance direction; and a tension adjusting step for adjusting tension acting on the glass film, which has undergone the cutting step, by a tension adjusting device provided between the laser irradiation device and a winding device.
Patent WO-2022065239-A1 (WO)
Inventor: YONEDA SATOSHI
IPC: D04H1/541
Filed: 2021-09-17
Abstract: The present invention addresses the problem of providing: a heat-bondable composite fiber which is capable of maintaining crimp stability even if high elongation remains, and which provides a nonwoven fabric with excellent bulkiness and shaping workability that enables following to a complicated shape or processing with a high fiber deformation stress; a method for producing this heat-bondable composite fiber; and a nonwoven fabric which uses this heat-bondable composite fiber.　A heat-bondable composite fiber which comprises a first component that contains a polyester-based resin and a second component that contains a polyolefin-based resin having a melting point that is lower than the melting point of the polyester-based resin by 15°C or more, and which has an eccentric core-sheath structure wherein, in a cross-section of the fiber perpendicular to the lengthwise direction, the second component occupies the outer periphery of the fiber. This heat-bondable composite fiber has an elongation at break of 200% or more, a three-dimensional apparent crimp, and a crimp elastic modulus of from 85% to 100%.
Patent WO-2022075168-A1 (WO)
Inventor: SHINMEN NAOKI
IPC: H04R3/04
Filed: 2021-09-30
Abstract: Un dispositif de sortie selon un mode de réalisation de la présente invention comprend un ou plusieurs panneaux d'affichage, un élément de support et un actionneur. Le ou les panneaux d'affichage peuvent afficher une image. L'élément de support possède une partie de support pour supporter le ou les panneaux d'affichage. L'actionneur est disposé entre le ou les panneaux d'affichage et la partie de support, et fait osciller le ou les panneaux d'affichage. Dans ce dispositif de sortie, une image est délivrée par le ou les panneaux d'affichage. En outre, l'actionneur est disposé entre le ou les panneaux d'affichage et la partie de support de l'élément de support, et le ou les panneaux d'affichage sont mis en oscillation. Ceci permet de délivrer une image et un audio avec une qualité élevée.
Patent WO-2022113518-A1 (WO)
Inventor: FUKUMOTO MASAHIDE
IPC: F24F7/08
Filed: 2021-10-01
Abstract: 本開示に係る空気浄化システム（１００）では、空気調和装置（１５）は、受けつけた温度設定値に近づくように空調制御を実行する。空気浄化装置（１０）は、受けつけた湿度設定値に近づくように、空気浄化成分を含む水を噴霧する。空気浄化装置（１０）は、温度設定値によって湿度設定値の実現が困難である場合、温度設定値の変更指示を空気調和装置（１５）に送信し、空気調和装置（１５）は、空気浄化装置（１０）から温度設定値の変更指示を受信した場合、温度設定値の変更指示に応じて変更した温度設定値に近づくように空調制御を実行する。
Patent WO-2022107669-A1 (WO)
Inventor: OGURA SHO
IPC: G06T15/20
Filed: 2021-11-10
Abstract: 本技術に係る情報処理装置は、自由視点画像に係る処理の関連情報に基づいて、自由視点画像を複数のプロセッサによる分散処理により生成するか否かの判定を行う判定部を備えたものである。
Patent WO-2022163099-A1 (WO)
Title: Active material particle, electrochemical element, and electrochemical device
Inventor: UCHIDA SHUHEI
IPC: H01M4/38
Filed: 2021-11-25
Abstract: An active material particle is provided with a composite particle containing a lithium silicate phase and a silicon phase dispersed in the lithium silicate phase, and with a first coating film that coats at least a portion of the surface of the composite particle. The first coating film contains a carbon material and an oxygen deficient oxide of a first element wherein the first element is an element other than a nonmetal element.
Patent JP-WO2020179642-A1 (JP)
Title: 多孔質体および多孔質体の製造方法
IPC: C08J9/26
Filed: 2020-02-27
Abstract: 酸性条件下での膨潤が抑制された多孔質体および多孔質体の製造方法を提供する。前記目的を達成するために、本発明の第１の多孔質体は、エポキシ化合物と硬化剤との共重合体により形成された多孔質体であって、前記多孔質体は、１〜３級のアミノ基を含まない多孔質体であり、かつ、その内部に、多孔構造が連通している孔を有することを特徴とする。本発明の第２の多孔質体は、エポキシ化合物と硬化剤との共重合体により形成された多孔質体であって、前記多孔質体は、酸処理により４級化する窒素原子を含まない多孔質体であり、かつ、その内部に、多孔構造が連通している孔を有することを特徴とする。
Patent JP-WO2020208762-A1 (JP)
Title: 蓄電池の特性推定装置および特性推定方法
IPC: H01M10/48
Filed: 2019-04-11
Abstract: 蓄電池の特性推定装置は、蓄電池の端子電圧を検出する電圧検出部と、蓄電池の休止状態における端子電圧の時系列データを取得する時系列データ取得部と、蓄電池モデルを提供するモデル提供部と、時系列データ取得部により取得された端子電圧の時系列データと、モデル提供部により提供された蓄電池モデルとに基づいて、蓄電池モデルのモデルパラメータを推定する、モデルパラメータ推定部とを備えている。蓄電池モデルは、蓄電池のＯＣＶを表現するＯＣＶ項、および蓄電池の電極を構成する粒子間のイオン拡散を表現する１次元の拡散方程式の基本解に基づく粒子間拡散項を含んでいる。
Patent JP-WO2020246202-A1 (JP)
Title: 計測システム、計測方法、及び計測プログラム
IPC: G01P3/36
Filed: 2020-05-12
Abstract: 路面を走行する移動体において使用される計測システムであって、撮像装置と、情報処理装置とを備え、前記撮像装置は、画角に含まれる路面又は障害物を時系列に撮像可能に構成され、前記情報処理装置は、通信部と、ＩＰＭ変換部と、障害物判定部と、空領域設定部と、計測部とを備え、前記通信部は、前記撮像装置と接続され、前記撮像装置によって撮像された画像を受信可能に構成され、前記ＩＰＭ変換部は、前記画像を逆透視投影変換してＩＰＭ画像（前記路面又は障害物を含む所定平面を俯瞰するように描画された画像）を生成するように構成され、前記障害物判定部は、前記ＩＰＭ画像における前記障害物の有無又は位置を判定可能に構成され、前記空領域設定部は、判定された前記障害物の有無又は位置に基づいて空領域（前記ＩＰＭ画像中の前記障害物を含まない領域）を可変に設定可能に構成され、前記計測部は、前記空領域に基づいて前記移動体の絶対速度を計測可能に構成される。
Patent WO-2022190604-A1 (WO)
Title: Control device
Inventor: NAKAMURA TOSHIKI
IPC: B60J1/08
Filed: 2022-01-06
Abstract: The present invention provides a control device of a switching type that is easy to use.　The control device includes: a selection input unit with which a user selects one of first and second operation targets of a vehicle; an operation input unit that receives an operation input by which the user operates the selected operation target; and a control unit that causes the selected operation target to move according to one of a first operation input and a second operation input, the first operation input causing the selected operation target to move only while the operation input is being inputted into the operation input unit, and the second operation input causing, with a single operation input, the selected operation target to move continuously to the maximum movement amount at which the movement amount of the selected operation target is the maximum or to the minimum movement amount at which the movement amount of the selected operation target is the minimum, wherein the continuous movement of the first operation target is changed if a selection input for selecting the second operation target is performed or if the selection input for selecting the second operation target is performed and the first operation input or the second operation input is performed for the second operation target while the first operation target is being moved continuously to the maximum movement amount or the minimum movement amount in response to the second operation input.
Patent WO-2023135638-A1 (WO)
Title: Generation method, generation program, and information processing device
Inventor: YAMAGUCHI JUMPEI
IPC: G06Q10/06
Filed: 2022-01-11
Abstract: An information processing device (100) receives a plurality of evaluation values assigned respectively by a plurality of processors who process a workflow to information associated with the workflow. On the basis of the plurality of evaluation values, the information processing device (100) determines whether or not any one of the plurality of processors has returned the information. If the information processing device (100) determines that one of the processors has returned the information, the information processing device (100) identifies, from among the plurality of evaluation values, the evaluation value assigned to the information by the processor who has returned the information. The information processing device (100) calculates an aggregate evaluation value for the information according to the identified evaluation value. The information processing device (100) generates evaluation information relating to the degrees of reliability of processors on the basis of the aggregate value and the evaluation values.
Patent WO-2022168941-A1 (WO)
Title: 金属製カップの製造方法
Inventor: HASEGAWA TAKASHI
IPC: B21D22/28
Filed: 2022-02-04
Abstract: 筒体の取り扱いが容易で簡略な設備で、外周面にしわやクラックがない滑らかなテーパ状の胴部と、開口端部に周方向に沿って正確に形成されたカール部とを有し、スタック可能な金属製カップを製造する。　金属板を絞りしごき加工することにより有底円筒状の筒体を形成する絞りしごき工程と、絞りしごき工程後に、外径の異なる複数のパンチを外径の小さい順に用いながら、筒体に開口端部側からパンチを押し込んで、筒体の胴部を、底部側より開口端部側に向けて徐々に拡径してテーパ状中間筒体を形成する拡径工程と、を有する。
Patent WO-2023152948-A1 (WO)
Inventor: SATO KENJI
IPC: F24F11/58
Filed: 2022-02-14
Abstract: This air conditioner comprises an outdoor unit for generating conditioned air, and a plurality of indoor units (10) provided with an air conditioning operating unit (12) which employs the conditioned air to perform air conditioning of a space to be air conditioned, wherein each indoor unit (10) is provided with: a wireless access point unit (13) which forms a wireless communication region including the space to be air conditioned, and which performs wireless communication with a terminal (90) in the wireless communication region; and a control unit (11) which determines whether the terminal (90) is in the wireless communication region on the basis of a signal received by the wireless access point unit (13), drives the air conditioning operating unit (12) if the terminal (90) is in the wireless communication region, and stops the air conditioning operating unit (12) if the terminal (90) is not in the wireless communication region.
Patent WO-2022176954-A1 (WO)
Inventor: KOBAYASHI NORIFUMI
IPC: C07D401/14
Filed: 2022-02-17
Abstract: Disclosed is a radioactive metal complex. The radioactive metal complex has a radioactive metal element and a ligand derived from a compound represented by formula (1). The radioactive metal element is  89 Zr or  225 Ac.　(1) [In formula (1), n represents an integer of 0-3.　Q 1 , Q 2 , Q 3 , Q 4  each represent a group selected from collection A, a group selected from collection B, a group represented by formula (C1), or the like. At least one of Q 1 , Q 2 , Q 3 , and Q 4  is a group selected from collection A. Among Q 1 , Q 2 , Q 3 , and Q 4 , the number of groups represented by formula (B3) in collection B is 0-2.　Collection A comprises groups and the like represented by formula (A1). (A1) Collection B comprises groups represented by formula (B1), groups represented by formula (B3), and the like.　(B1) (B3) Z 1 , Z 2 , Z 3 , and Z 4  each represent a divalent linkage group.　R represents a divalent linkage group.]
Patent WO-2022196688-A1 (WO)
Inventor: KANBARA HIROSHI
IPC: B29B7/24
Filed: 2022-03-15
Abstract: 液状ジエン系ゴム（Ｂ）を所定量確実に供給することができ、取扱い性に優れたゴム混練用配合材およびこのゴム混練用配合材を用いた密閉梱包物を提供すること。　融点が６０～１４０℃の重合体（ａ）から作製された厚みが３０～１００μｍの外層からなる密閉用袋（Ａ）と、前記密閉用袋（Ａ）の内部に密閉された液状ジエン系ゴム（Ｂ）と、からなる、ゴム混練用配合材とする。さらには低水蒸気透過性の密閉用容器と、前記密閉用容器の内部に密閉された前記ゴム混練用配合材と、からなる、密閉梱包物とする。
Patent WO-2022202687-A1 (WO)
Title: Particule de corps fluorescent, complexe et dispositif d'émission de lumière
Inventor: ICHIKAWA MASAYOSHI
IPC: C09K11/61
Filed: 2022-03-18
Abstract: Les particules de corps fluorescent selon la présente invention ont une composition représentée par la formule générale (1) A2MF6:Mn. Dans la formule générale (1), l'élément A est un ou plusieurs éléments de métal alcalin comprenant K, et l'élément M est Si seul, Ge seul, ou une combinaison entre Si et au moins un élément choisi dans le groupe constitué par Ge, Sn, Ti, Zr et Hf. Les particules de corps fluorescent comprennent chacune une première partie en forme de plaque et une seconde partie en forme de plaque qui est au moins partiellement reliée à la première partie en forme de plaque. La première partie en forme de plaque et la seconde partie en forme de plaque ne sont pas parallèles l'une à l'autre.
Patent WO-2022239634-A1 (WO)
Inventor: MIYAZAWA Shouzou
IPC: B25J19/00
Filed: 2022-04-26
Abstract: La présente invention vise à proposer un dispositif d'actionneur de muscle artificiel qui peut être structuré pour s'adapter aux muscles du corps et qui a une structure polyvalente qui peut être appliquée en tant que dispositif responsable de la fonction de mouvement d'un robot, en raison d'une petite source d'énergie motrice économisant l'énergie électrique qui couple le gonflage et le dégonflage du ballonnet et élimine la perte de pression hydraulique.　À cet effet, la présente invention concerne un dispositif d'actionneur de muscle artificiel (1) dans lequel une unité d'actionneur (2) et une première unité de muscle artificiel (11) sont reliées par un premier tube de liaison (8), l'unité d'actionneur (2) et une seconde unité de muscle artificiel (12) sont reliées par un second tube de liaison (9), la première unité de muscle artificiel (11) et la seconde unité de muscle artificiel (12) sont fixées à un site corporel (54), et l'unité d'actionneur (2) est commandée par conduction de courant, de façon à effectuer des mouvements de flexion et d'extension d'un squelette (50) au niveau du site corporel (54).
Patent WO-2022244627-A1 (WO)
Inventor: OHYAMA TATSUSHI
IPC: G10L15/10
Filed: 2022-05-06
Abstract: An aerosol amount estimation system (100) is provided with: a detection unit (110) for detecting audio; and a control unit (120) for estimating an aerosol amount released into a space where a speaker is present who has produced the audio, from a specific linguistic sound included in the audio detected by the detection unit (110), on the basis of a correlation between the specific linguistic sound and the aerosol amount released from the speaker when the speaker has produced the specific linguistic sound. An aerosol amount estimation method comprises: detecting audio (S11); and estimating an aerosol amount released into a space where a speaker is present who has produced the audio, from a specific linguistic sound included in the detected audio on the basis of a correlation between the specific linguistic sound and the aerosol amount released from the speaker when the speaker has produced the specific linguistic sound (S14).