baber/WOPTO huggingface dataset:
Patent WO-2021187213-A1 (WO)
Title: Machine learning device, data processing system, inference device, and machine learning method
Inventor: AOYAMA FUMIAKI
IPC: F16K37/00
Filed: 2021-03-09
Abstract: [Problem] To provide a machine learning device and the like that enable accurate understanding of an abnormality and a sign of an abnormality in a fluid pressure-driven valve, independently of the experience of a worker. [Solution] A machine learning device (200) that may be applied in a fluid pressure-driven valve (10) including a main valve (11), a driving device (12) that drives the main valve (11), and a solenoid valve (1) that controls the supply and discharge of a driving fluid (A) to and from the driving device (12), said machine learning device comprising: a learning dataset storage unit (202) that stores a plurality of sets of learning datasets configured from input data containing time series data pertaining to the valve openness of the main valve (11) in a prescribed period and time series data pertaining to the pressure of the driving fluid (A) on the solenoid valve output side, and output data comprising diagnostic information pertaining to the fluid pressure-driven valve (10) and associated with the input data; a learning unit (203) that, by inputting the plurality of sets of learning datasets, learns a learning model inferring the correlation between the input data and the output data; and a learned model storage unit (204) that stores learned models.
Patent WO-2021220985-A1 (WO)
Title: 粒子状吸水性樹脂組成物及びその製造方法、吸収体、並びに吸収性物品
Inventor: YAMAMOTO TOMOE
IPC: A61L15/22
Filed: 2021-04-23
Abstract: 流動性に優れた粒子状吸水性樹脂組成物を提供する。　ヒドラジド化合物と、吸水性樹脂とを含む、粒子状吸水性樹脂組成物。
Patent WO-2021221069-A1 (WO)
Inventor: HONGO Yushi
IPC: B41M5/00
Filed: 2021-04-27
Abstract: This image recording method comprises a step of preparing an ink containing water and a white pigment and a step of ejecting said ink from an inkjet head with a droplet volume of 1.0 pL or more to apply said ink to a substrate, wherein the percentage of the surface area of a region on which said ink has adhered in an ejection surface of said inkjet head from which said ink can be ejected, as measured after dipping said ejection surface in a vertical orientation into said ink for two seconds, subsequently withdrawing said ejection surface from said ink while maintaining said orientation, and subsequently leaving said ejection surface for one minute while maintaining said orientation is 40 area% or less.
Patent WO-2021225150-A1 (WO)
Inventor: SAADAT DEHGHAN ATILLA
IPC: B25J13/00
Filed: 2021-05-07
Abstract: L'invention concerne un système informatique et un procédé d'estimation de frottement et/ou de centre de masse (CoM). Le système peut mettre en œuvre le procédé en sélectionnant : (I) une première articulation parmi une pluralité d'articulations, et/ou (ii) un premier segment de bras parmi une pluralité de segments de bras. Le système informatique fait en outre sortir un ensemble d'une ou de plusieurs commandes de mouvement pour provoquer un mouvement de bras de robot qui comprend un mouvement relatif entre le premier segment de bras et un second segment de bras par l'intermédiaire de la première articulation, et pour recevoir un ensemble de données d'actionnement et un ensemble de données de mouvement associées à la première articulation ou au premier segment de bras. Le système informatique détermine en outre, sur la base de l'ensemble de données d'actionnement et de l'ensemble de données de mouvement : (I) une estimation de paramètre de frottement et/ou (ii) une estimation de CoM. <u />
Patent WO-2021241290-A1 (WO)
Title: Air-conditioning device
Inventor: KAWABATA RYUJI
IPC: F24F11/49
Filed: 2021-05-14
Abstract: Provided is an air-conditioning device with which the state of other indoor units among indoor units connected to the same refrigerant system can be recognized, and with which a reduction in the comfort of users can be suppressed.　When a refrigerant leak sensor 40 detects a refrigerant leak in an indoor unit 20, a centralized controller 50 carries out a control to close an opening/closing device located upstream from the relevant indoor unit 20. When the opening/closing device located upstream from the indoor unit 20 is in a closed state and the refrigerant leak sensor 40 of the indoor unit 20 is detecting refrigerant, the centralized controller 50 carries out a control to change the state of the indoor unit to a refrigerant leakage state in which the cooling operation or heating operation of the indoor unit 20 is stopped, and when shutoff valves 34, 36 located upstream from the indoor unit 20 are in a closed state and the refrigerant leak sensor 40 of the relevant indoor unit 20 is not detecting refrigerant, the centralized controller carries out a control to change the operation of the relevant indoor unit 20 to a limited operation state in which the indoor unit carries out a blowing operation or is stopped.
Patent WO-2021251488-A1 (WO)
Title: Optical device and manufacturing method for optical device
Inventor: OKI KAZUSHIGE
IPC: H01S5/022
Filed: 2021-06-11
Abstract: An optical device (1) according to one embodiment is provided with: a light-emitting element (9); a first lens (8) and a second lens (11) that are optically coupled to the light-emitting element (9); an optical component (6) that is provided between the light-emitting element (9) and the second lens (11) and optically coupled to the light-emitting element (9) and the second lens (11), and multiplexes input light; and a base (2) that has a lower plate (2A) having a plurality of protruding mounting surfaces (2c) on which the light-emitting element (9), the first lens (8), the second lens (11), and the optical component (6) are mounted, respectively, and a side wall (2B) to which a receptacle (4) is connected.
Patent WO-2022264395-A1 (WO)
Inventor: ASANO MOTOKI
IPC: G02B6/10
Filed: 2021-06-18
Abstract: An optomechanical array element (100) is configured from a rod-shaped matrix (101) having a circular outer shape, and is provided with, in the matrix (101), a plurality of small diameter coupling parts (102) formed by reducing the diameter at equal intervals, and a bottle-type resonance part (103) between adjacent ones of the plurality of coupling parts (102). The bottle-type resonance part (103) is a whispering gallery mode optical resonator, and each of the plurality of coupling parts (102) is able to propagate mechanical vibration of the bottle-type resonance part (103) adjacent to each other.
Patent WO-2022091481-A1 (WO)
Title: 缶用鋼板およびその製造方法
Inventor: NAKAGAWA YUSUKE
IPC: C25D11/38
Filed: 2021-06-29
Abstract: 溶接性および摺動性に優れる缶用鋼板およびその製造方法を提供する。上記缶用鋼板は、鋼板の表面に、上記鋼板側から順に、金属クロム層およびクロム水和酸化物層を有し、上記金属クロム層の付着量が、５０～１５０ｍｇ／ｍ ２ であり、上記クロム水和酸化物層のクロム換算の付着量が、３～１５ｍｇ／ｍ ２ であり、上記金属クロム層は、平板状の基部と、上記基部上に設けられた粒状突起と、を含み、上記粒状突起の平均粒径Ｄ１が、２０～２００ｎｍであり、上記粒状突起の個数密度が、１０個／μｍ ２ 以上であり、上記クロム水和酸化物層は、シリカを含有し、上記クロム水和酸化物層における上記シリカの含有量が、ＳｉＯ ２ 換算で、０．１～４５ｍｇ／ｍ ２ である。
Patent WO-2022025031-A1 (WO)
Title: 車両用灯具
Inventor: MOTOHASHI KAZUYA
IPC: F21S41/663
Filed: 2021-07-27
Abstract: 車両用灯具（１）は、光源部（２０）と、光源部（２０）から出射する光（Ｌ）の最長波長より小さいナノ構造体（３５）を含む複数のセル（３３）が配列され光源部（２０）から出射する光Ｌが透過するメタ領域としての主面（３１ｓ）を有するメタレンズ（３０）と、を備え、メタ領域としての主面（３１ｓ）は、当該主面（３１ｓ）を透過する光（Ｌ）の位相分布を変化させる。
Patent WO-2022030438-A1 (WO)
Title: Organic electroluminescence element
Inventor: HIRAYAMA Yuta
IPC: H01L51/50
Filed: 2021-08-02
Abstract: The purpose of the present invention is to provide an organic EL element having high efficiency, low drive voltage, and a long lifespan by using a material for an organic EL element having excellent hole injection/transport performance, excellent electronic blocking ability, and excellent stability and durability in a thin film state and further by combining the material with various materials for the organic EL element having excellent hole and electron injection/transport performance, excellent electronic blocking ability, and excellent stability and durability in a thin film state so that characteristics of the materials can be effectively exhibited.　The present invention is an organic electroluminescence device which has at least a hole transport layer, a light emitting layer, and an electron transport layer from a positive electrode side between the positive electrode and the negative electrode in this order and in which the hole transport layer contains a triarylamine compound having a specific structure.
Patent WO-2023012914-A1 (WO)
Inventor: TAKAHASHI YUKI
IPC: H04W8/20
Filed: 2021-08-03
Abstract: 端末は、遅延に関する要求があるExtended Reality（ＸＲ）のデータを送受信し、前記遅延に関する要求に関連する報告情報を生成する制御部と、前記報告情報を送信する送信部と、を具備する。前記報告情報は、前記データのexperienced delay timeあるいはrest delay timeに関連する情報を含む。
Patent WO-2022070736-A1 (WO)
Title: Conductive material dispersion liquid, method for producing slurry for nonaqueous secondary battery positive electrodes, method for producing positive electrode for nonaqueous secondary batteries, and method for producing nonaqueous secondary battery
Inventor: ASANO JUNICHI
IPC: H01M4/139
Filed: 2021-08-31
Abstract: The present invention provides a technology which enables a secondary battery to exhibit excellent output characteristics and other characteristics. According to the present invention, a conductive material dispersion liquid that contains a conductive material, a dispersant and a solvent is used during the production of a secondary battery. The conductive material is composed of carbon nanotubes that have a specific surface area of from 800 m 2 /g to 1,300 m 2 /g; the volume average particle diameter (D90) of the carbon nanotubes in the conductive material dispersion liquid is 50 μm or less; and the dispersant is composed of a hydrogenated acrylonitrile-butadiene copolymer that has a weight average molecular weight of 200,000 or less.
Patent WO-2023047515-A1 (WO)
Inventor: KUBOTA TOMONORI
IPC: H04N19/36
Filed: 2021-09-24
Abstract: 領域ごとに異なる圧縮率を設定することができない場合でも、利便性の高い復号データを生成できるようにする。符号化装置は、ＡＩによる認識処理の結果に基づき、画像データにおいて認識対象を認識するのに必要な対象領域と、前記認識対象を認識できる限界圧縮率とを決定する決定部と、前記画像データの全領域を、前記限界圧縮率で符号化して送信する第１符号化部と、前記画像データのうち、前記対象領域以外の領域を無効化した第１無効化画像データと、前記画像データを前記限界圧縮率で符号化した後に復号した復号データのうち、前記対象領域以外の領域を無効化した第２無効化画像データとを生成する生成部と、前記第１無効化画像データと前記第２無効化画像データとの差分データを所定の圧縮率で符号化して送信する第２符号化部とを有する。
Patent WO-2022149317-A1 (WO)
Inventor: KIMURA YUJI
IPC: H01L23/14
Filed: 2021-10-01
Abstract: Une borne (10) présente : un substrat (1) en métal ; une partie électrode (2) qui est formée à partir du même matériau que le matériau du substrat (1) et qui fonctionne comme une électrode ; et une résine d'isolation (3) qui est disposée entre le substrat (1) et la partie électrode (2) de manière à entourer la partie électrode (2) et qui isole le substrat (1) de la partie électrode (2).
Patent WO-2023100240-A1 (WO)
Title: 無線通信システム、無線端末制御方法、制御装置、及び制御プログラム
Inventor: IWATANI JUNICHI
IPC: H04W74/04
Filed: 2021-11-30
Abstract: 無線通信システムは、無線端末と制御部とを備える。無線端末は、複数の基地局のそれぞれと互いに異なるチャネルで無線通信を行う複数の無線モジュールを備える。無線端末は、複数の無線モジュールのうち１つを使用モジュールとして使用し、使用モジュール以外の無線モジュールからのデータ送信を停止する。制御部は、複数の無線モジュールの各々の送信時間率が所定の上限を超えないように、無線端末における使用モジュールを切り替える。
Patent JP-WO2020213340-A1 (JP)
Title: 硫化物固体電解質の製造方法
IPC: H01B13/00
Filed: 2020-03-18
Abstract: 本発明の硫化物固体電解質の製造方法は、焼成開始時における純度が５０質量％以上９０質量％以下であるＬｉ２Ｓを含む原料を、硫化水素含有雰囲気において、３００℃以上の温度で焼成する焼成工程を含む。Ｌｉ２Ｓは、不純物としてＬｉＯＨ、Ｌｉ２Ｏ、ＬｉＨＣＯ３及びＬｉ２ＣＯ３のうちの少なくとも１種を含むことがある。焼成工程は、硫化水素含有雰囲気における硫化水素の濃度が５０体積％以上であることが好適である。原料は、更にＰ２Ｓ５及びＬｉＸ（Ｘは少なくとも１種のハロゲン元素を表す。）を含み、硫化物固体電解質がアルジロダイト型結晶構造を有することが好ましい。
Patent WO-2022154063-A1 (WO)
Title: ＵＥ（Ｕｓｅｒ Ｅｑｕｉｐｍｅｎｔ）、及び通信制御方法
Inventor: CHIBA SHUICHIRO
IPC: H04W8/06
Filed: 2022-01-14
Abstract: 5GSにおいて、PLMNによる災害状態の適用により、UEに通信サービスを提供できなくなった場合の通知の送受信と、UEによるローミング先PLMNの選択のための手段を提供する。5GSにおいて、PLMNが災害状態を適用又は解除した場合に、UEがPLMNの状態を認識し、適切に移動先のPLMNを選択するための情報を送受信するための手続き、及びUEがPLMNからの通知等によって受信し、記憶した情報に基づくPLMNの選択方法、及び通信手段を提供する。
Patent WO-2022176714-A1 (WO)
Inventor: HORIUCHI AI
IPC: F21S41/275
Filed: 2022-02-08
Abstract: Provided are a vehicle lamp and the like with which a member (e.g, vehicle body (body color)) arranged near the outer peripheral part thereof is not seen when the outer peripheral part is looked at through a surface of a lens body.　A vehicle lamp (10) according to the present disclosure is provided with a lens (20) including a lens body (21) and an opaque member (22) including a connection part (22a) integrally connected to the lens body by two color molding, the outer peripheral part of the lens body including an end face (21c) which faces a body (31) of a vehicle with a gap (S1) therebetween in a state where the lens is attached to the vehicle, the connection part being connected near the end face of the rear face (21b) of the lens body, and the end face totally reflecting, to the connection part, rays that come from the front side of the lens and from a direction having an angle equal to or less than a predetermined angle, enter from a surface of the lens body, and are incident on the end face.
Patent WO-2022176798-A1 (WO)
Inventor: YAGI YOSHIHIKO
IPC: H01L21/304
Filed: 2022-02-14
Abstract: La présente divulagtion aborde le problème de la fourniture d'un système de liaison, d'un procédé de liaison et d'un procédé de fabrication d'un dispositif à semi-conducteurs qui sont capables d'améliorer la fiabilité de liaison. Un système de liaison (1) est doté : d'une première partie de maintien (21) ; d'une seconde partie de maintien (22) ; et d'un dispositif de nettoyage (3). La première partie de maintien (21) maintient un premier objet de liaison (D1). La seconde partie de maintien (22) maintient un second objet de liaison (D2). Le dispositif de nettoyage (3) réalise un traitement de nettoyage destiné à irradier une première surface de liaison (D1a) du premier objet de liaison (D1) maintenu sur la première partie de maintien (21) avec un premier faisceau laser (L1) et irradier une seconde surface de liaison (D2a) du second objet de liaison (D2) maintenu sur la seconde partie de maintien (22) avec un second faisceau laser (L2).
Patent WO-2022181392-A1 (WO)
Title: 紫外線感知部材、マイクロカプセル、マイクロカプセルの製造方法、紫外線感知層形成用分散液、紫外線感知キット
Inventor: IKEDA KIMI
IPC: G01J1/50
Filed: 2022-02-15
Abstract: 本発明の第１の課題は、保存安定性と画像保存性に優れる紫外線感知部材を提供することである。また、本発明の第２の課題は、マイクロカプセル、マイクロカプセルの製造方法、紫外線感知層形成用分散液、及び、紫外線感知キットを提供することである。　本発明の紫外線感知部材は、光活性剤と、発色剤と、芳香族溶媒とを内包するマイクロカプセルを含む紫外線感知層を備えた紫外線感知部材であって、　上記芳香族溶媒が、ヘテロ原子を含む芳香族溶媒と、ヘテロ原子を含まない芳香族溶媒とを含む。
Patent WO-2022239354-A1 (WO)
Title: Dispositif électroluminescent et dispositif d'affichage d'image
Inventor: WATANABE TOSHIHIKO
IPC: H01L33/64
Filed: 2022-02-18
Abstract: Un dispositif électroluminescent selon un mode de réalisation de la présente invention comprend : un substrat ayant une première surface et une seconde surface qui s'opposent l'une à l'autre ; une pluralité d'éléments électroluminescents disposés selon un motif de réseau du côté de la première surface du substrat ; une cloison formée au-dessus de la pluralité d'éléments électroluminescents à l'aide d'un matériau métallique, la cloison ayant une ouverture pour chaque élément de la pluralité d'éléments électroluminescents ; et une couche de conversion de longueur d'onde qui est disposée à l'intérieur des ouvertures et qui convertit la longueur d'onde de la lumière émise par la pluralité d'éléments électroluminescents.
Patent WO-2022209414-A1 (WO)
Inventor: WAKAMATSU ATSUSHI
IPC: F02M37/00
Filed: 2022-02-18
Abstract: 本開示に係る燃料タンクシステムは、内燃機関と燃料タンクを有する車両の燃料タンクシステムである。燃料タンクシステムは、密閉弁と、制御部と、を備える。密閉弁は、燃料タンク内で発生する蒸散ガスを燃料タンク内に密閉する。制御部は、密閉弁の開閉を制御するとともに、車両の衝突を検知する。制御部は、車両の衝突を検知した場合、前記密閉弁が開くことを禁止する。
Patent WO-2022181563-A1 (WO)
Title: 光硬化性液状組成物、硬化物、及び硬化物の製造方法
Inventor: IJIMA YOICHIRO
IPC: G02B1/04
Filed: 2022-02-21
Abstract: 金属酸化物ナノ粒子の局在が抑制された硬化物を形成可能である光硬化性液状組成物と、当該光硬化性液状組成物の硬化物と、前述の光硬化性液状組成物を用いる硬化物の製造方法とを提供すること。　光重合性モノマー（Ａ）と、金属酸化物ナノ粒子（Ｂ）と、光重合開始剤（Ｃ）とを含む光硬化性液状組成物に、含窒素化合物（Ｄ）として、特定の構造のアミン化合物（Ｄ１）、及び特定の構造のイミン化合物（Ｄ２）からなる群より選択される少なくとも１種を含有させる。
Patent WO-2022191173-A1 (WO)
Title: Gas identification method, and gas identification system
Inventor: HAYASHI TAKUYA
IPC: G01N27/12
Filed: 2022-03-08
Abstract: This gas identification method, which employs a sensor that outputs a signal corresponding to an adsorption concentration of a gas, includes: an acquisition step (step S12) of acquiring the signal output from the sensor which has been exposed to a sample gas during only a second period from within a measuring period comprising a first period, the second period, which follows the first period, and a third period, which follows the second period; an extraction step (step S13) of extracting at least one feature quantity corresponding to drift of the acquired signal; and an identification step (step S14) of employing a trained logical model for identifying sample gases, to identify the sample gas on the basis of the at least one extracted feature quantity, and outputting the identification result.
Patent WO-2023199379-A1 (WO)
Title: Dispositif et procédé de traitement d'informations, et programme associé
Inventor: HOSOYAMADA AKINORI
IPC: H04L9/32
Filed: 2022-04-11
Abstract: Dans un aspect, l'invention concerne un dispositif de traitement d'informations comprenant une unité de génération d'étiquettes qui utilise une fonction de génération d'étiquettes MAC1K (K étant une clé) pour un code d'authentification de message, qui est sécurisée contre une attaque en boîte blanche, de sorte à générer une étiquette T=MAC1K(X) pour vérifier l'authenticité de données X, la fonction de génération d'étiquettes MAC1K étant configurée au moyen : d'une fonction de cryptage EK pour un cryptage par blocs, sécurisée contre une attaque en boîte blanche et présentant une longueur d'entrée/sortie de n bits ; une fonction de hachage H déterminée présentant une longueur de sortie de m ≥ 2n bits ; et des fonctions déterminées f1,f2:{0,1}m→{0,1}n and f3:{0,1}n×{0,1}n→{0,1}n.
Patent WO-2022230657-A1 (WO)
Inventor: MITOBE FUMITAKE
IPC: F21V9/40
Filed: 2022-04-12
Abstract: The present invention addresses the problem of providing a planar lighting device that has excellent frontal brightness and parallel light source characteristics, an image display device that uses the planar lighting device, and an optical film for use in the planar lighting device. The present invention has, in order, a light-absorbing anisotropic layer for which a transmittance center axis is orthogonal to the surface of the layer, a light-transmitting anisotropic layer, a light-diffusing layer, a light source, and a reflection layer. When T0 is the transmittance and A0 is the absorbance when light of a wavelength of 550 nm is incident from the normal line direction to the light-transmitting anisotropic layer and T50 is the transmittance and A50 is the absorbance when light of a wavelength of 550 nm is incident from the direction at a polar angle of 50° to a normal line to the light-transmitting anisotropic layer, T0>T50, T50<70%, A0<0.05, and A50<0.05.
Patent WO-2022239691-A1 (WO)
Inventor: FUJISHIRO MASATO
IPC: H04W68/00
Filed: 2022-05-02
Abstract: The communication control method according to a first embodiment of the present invention is executed by a user device in a mobile communication system that provides multicast services to the user device, the communication control method including monitoring of paging messages transmitted from a base station. The monitoring includes: monitoring a first paging message that, when a paging early notification signal is received from the base station, calls one or a plurality of user devices to which unicast communication is to be performed; and monitoring a second paging message that issues notification of the enablement of one or a plurality of multicast sessions when the user device(s) is participating or interested in a multicast session, even if the paging early notification signal has not been received.
Patent WO-2023218520-A1 (WO)
Inventor: SHIOTSU Takahiro
IPC: G01K11/12
Filed: 2022-05-10
Abstract: [Problem] To provide a temperature continuance detector with which it is possible to accurately detect continuance of a state in which a detection subject is at a prescribed temperature or a temperature equal to or greater than the prescribed temperature. [Solution] The present invention relates to a temperature continuance detector that detects that a detection subject generating heat has continued to be at a prescribed temperature for a prescribed period of time and/or that the detection subject has continued to be at a temperature equal to or greater than the prescribed temperature for the prescribed period of time. The temperature continuance detector is configured to comprise a sensor unit having a temperature-sensitive member that causes a prescribed change in response to the prescribed temperature, and a thermally conductive member that conducts heat generated by the detection subject to the temperature-sensitive member over the prescribed period of time.
Patent WO-2023276513-A1 (WO)
Title: Rotor, procédé associé de fabrication et moteur électrique
Inventor: FUKUDA SHUGO
IPC: H02K1/2706
Filed: 2022-05-27
Abstract: La présente invention réduit le couple de crantage d'un rotor. La présente invention comprend un noyau de rotor (20) ayant une pluralité de trous de placement d'aimants (21), un arbre rotatif (10) fixé au noyau de rotor (20), une pluralité d'aimants permanents (30) et une pluralité de portions de poudre ferromagnétique (31). La portion de poudre ferromagnétique (31) est constituée d'un mélange d'une poudre ferromagnétique (31a) et d'une résine (31b). Chacun des aimants de la pluralité d'aimants permanents (30) est en contact avec une portion de la pluralité de portions de poudre ferromagnétique (31). Chacun des trous de la pluralité de trous de placement d'aimants (21) présente une première surface interne (21a) et une seconde surface interne (21b), mutuellement opposées selon un sens prédéterminé de rotation. Chacun des aimants permanents (30) est placé dans chacun des trous de la pluralité de trous de placement d'aimants (21). Chaque portion de la pluralité de portions de poudre ferromagnétique (31) est placée dans chacun des trous de la pluralité de trous de placement d'aimants (21). Chacun des aimants permanents (30) placés dans chacun des trous de la pluralité de trous de placement d'aimants (21) est placé en contact avec la première surface interne (21a) et chacune des portions de poudre ferromagnétique (31) est placée en contact avec la seconde surface interne (21b).
Patent WO-2023281974-A1 (WO)
Inventor: MATSUSHITA JUN
IPC: B60J7/02
Filed: 2022-06-09
Abstract: Un appareil de toit ouvrant (1) comprend un panneau de toit (10), un corps de panneau (41) et un panneau de base (20). Le panneau de toit (10) est monté de manière à recouvrir une ouverture de toit (3a) d'un véhicule. Le corps de panneau (41) ouvre et ferme une ouverture de panneau (11) disposée sur le panneau de toit (10). Le panneau de base (20) est monté sur le côté intérieur de véhicule de l'ouverture de panneau (11), et s'étend le long de la périphérie de l'ouverture de panneau (11). Le panneau de base (20) forme une rainure (26) entre le panneau de base et le corps de panneau (41). La rainure (26) comporte des éléments de drain (90, 100) fixés à ce dernier. Les éléments de drain (90, 100) ont au moins un canal de raccordement (92, 102) qui se raccorde entre l'intérieur et l'extérieur du panneau de base (20). Le canal de raccordement (92, 102) est relié à un canal de drainage (110) prévu sur un châssis de véhicule (2).