baber/WOPTO huggingface dataset:
Patent JP-2022540968-A (JP)
Title: 家庭内会話環境に向けたニューラルネットワーク音声認識方法およびシステム
IPC: G10L15/10
Filed: 2020-12-03
Abstract: 本発明に係る家庭内会話環境向けたニューラルネットワーク音声認識方法は、ディープニューラルネットワークに長短期記憶ネットワークを加え、組み合わせニューラルネットワークＤＮＮ－ＬＳＴＭモデルを構築するモデル構築ステップと、収集した音声データセットについて前処理し、特徴ベクトルセットを得て、さらに、特徴ベクトルセットをＤＮＮ－ＬＳＴＭモデルの入力として反復訓練を行い、最適な音響モデルになるまで訓練するステップと、一つの未知の言語の入力音声信号を、訓練後のＤＮＮ－ＬＳＴＭモデルを経て、それぞれ中国語出力確率ベクトルセットと英語出力確率ベクトルセットを得るステップと、中国語出力確率ベクトルセットと英語出力確率ベクトルセットに基づいて言語マッチングを行い、判定結果を出力するステップと、を含む。本発明によれば、家庭内において話し手の内容を素早く正確に認識でき、実際の家庭内のシーンにおいて幅広く活用できる。【選択図】図１
Patent JP-2022528839-A (JP)
Title: 個人情報保護システム
IPC: G06Q20/40
Filed: 2020-03-17
Abstract: 中央コンピュータシステムは、消費者の識別情報を、その識別情報を隠す識別コードに変換し、それを消費者のコンピュータシステムの連絡先情報とともに記憶する。中央コンピュータシステムのネットワーク上のコンピュータシステムが、消費者の識別コードを使用する対象と取引を行うとき、中央コンピュータシステムは、消費者のコンピュータシステムと連絡を取り、取引が認可されていない場合に消費者が停止することができるようにする。消費者を保護するために識別コードだけが使用されるため、消費者の元の識別情報は完全に保護される。【選択図】 図８
Patent JP-2022528989-A (JP)
Title: ホースエンドスプレッダ
IPC: A01C23/04
Filed: 2020-04-16
Abstract: ホースエンドスプレッダデバイス（１０）が、一定量の粒状製品を収容するように構成されるホッパー（１２）を有し、ホッパー（１２）がホッパー入口（１８）およびホッパー入口（１８）に連通されるホッパー出口（２０）を備える。デバイス（１０）が、ホッパー出口（２０）に連通される第１のチャンバ（１４）であって、第１のチャンバ（１４）が第１の開口部（２２）を備え、粒状製品が第１の開口部（２２）を通ってデバイス（１０）から外に出る、第１のチャンバ（１４）と、第１のチャンバ（１４）の中に配置される第１のインペラ（２４）とをさらに有する。さらに、第１のチャンバ（１４）の下方に配置されるハウジング（２６）が含まれ、ハウジング（２６）が、流体入口（２８）と、流体入口（２８）に連通される第２のチャンバ（３０）と、第２のチャンバ（３０）に連通される第２の開口部（３２）とを備え、流体が第２の開口部（３２）を通ってデバイス（１０）から外に出る。さらに、第２のチャンバ（３０）の中に配置される第２のインペラ（３４）が含まれる。第２のインペラ（３４）が第１のインペラ（２４）に結合される。 
【選択図】図８Ａ
Patent JP-2022529771-A (JP)
Title: プロモーター配列及び関連製品並びにそれらの使用
IPC: C12N5/10
Filed: 2020-04-24
Abstract: 本開示は、医学的に関心のある複数の哺乳動物細胞型において遺伝子発現を駆動することができる短いユビキタスプロモーター要素を提供する。プロモーターを組み込んだ発現ベクターが本明細書に開示される。ウイルスベクター、特に、従来のプロモーターで可能であるよりも大きい導入遺伝子を取り込めるＡＡＶベクターが本明細書に開示される。遺伝子発現を増強する方法が本明細書に開示される。
Patent JP-2022531397-A (JP)
Title: ドライブトレイン内の分離可能な連結具を有するパーソナルケア装置
IPC: A61C17/34
Filed: 2020-04-29
Abstract: 本開示は、被駆動処理ヘッドを有するヘッド部分と、運動方向を有する運動を提供するための駆動ユニットを有するハンドル部分と、駆動ユニットから被駆動処理ヘッドに運動を伝達するための、駆動ユニットと被駆動処理ヘッドとの間に延在するドライブトレインであって、分離可能な連結具を有する、ドライブトレインと、を有するパーソナルケア装置に関する。分離可能な連結具は、第１の連結要素を有する第１の連結部と、第２の連結要素を有する第２の連結部であって、第１の連結要素と第２の連結要素とは互いに分離可能に係合される、第２の連結部と、第１の連結要素と第２の連結要素とが運動方向に沿って間隙のないやり方で係合されるように、第１の連結要素及び第２の連結要素を互いに対して付勢する弾性要素と、を有する。
Patent JP-2022534605-A (JP)
Title: 強磁性構成要素を有する耳鼻咽喉（ｅｎｔ）でナビゲート可能なシェーバ
IPC: A61B6/00
Filed: 2020-05-11
Abstract: システムは、医療用プローブと、位置追跡システムと、を含む。医療用プローブは、遠位端と、１つ又は２つ以上の遠位磁気位置センサと、を含む。医療用プローブは、近位端アセンブリと、１つ又は２つ以上の近位磁気位置センサと、を更に含む。位置追跡システムは、メモリを含み、当該メモリは、遠位磁気位置センサと近位磁気位置センサとの間の既知の相対位置を示す値を保持するように構成されている。位置追跡システムは、プロセッサを含み、当該プロセッサは、位置追跡システムによって測定される、近位磁気位置センサ及び遠位磁気位置センサの推定位置を示す１つ又は２つ以上の信号を受信し、既知の相対位置と推定位置との間の不一致を検出することに応じて、対応アクションを開始するように構成されている。
Patent JP-2022543335-A (JP)
Title: 動的にプログラム可能な画像センサー
IPC: H04N5/341
Filed: 2020-08-04
Abstract: 一例では、装置が、半導体パッケージ内に形成されたピクセルセルアレイとコントローラとを備える。ピクセルセルアレイは、第１の時間において、およびコントローラから受信された第１のプログラミング信号に基づいて、第１の画像フレームを生成することと、第１の画像フレームをホストプロセッサに送信することと、第１の画像フレームまたは第２の画像フレームをコントローラに送信することであって、第２の画像フレームが、第１の時間において生成され、第１の画像フレームとは異なる、ピクセルのスパース性を有する、第１の画像フレームまたは第２の画像フレームを送信することとを行うように構成される。コントローラは、ホストプロセッサから第２のプログラミング信号を受信することであって、第２のプログラミング信号が、第１の画像フレームに基づいてホストプロセッサによって決定される、第２のプログラミング信号を受信することと、第２のプログラミング信号に基づいて第１のプログラミング信号を更新することと、更新された第１のプログラミング信号に基づいて後続の画像フレームを生成するようにピクセルセルアレイを制御することとを行うように構成される。 
【選択図】図８Ａ
Patent JP-2022535982-A (JP)
Title: Ｇｐｕにおける明示的な個別マスクレジスタのマスク操作方法
IPC: G06F9/34
Filed: 2020-06-11
Abstract: 本開示はグラフィックス処理ユニットの技術分野に関し、具体的にＧＰＵにおける明示的な個別マスクレジスタのマスク操作方法に関する。マスク操作方法は、各ＧＰＵハードウェアスレッドはそれぞれの＄ｍ０～＄ｍ７と記す８つの１２８ビット幅の個別マスクレジスタにアクセスすることができるステップＳ１と、該ＧＰＵにおいて明示的で個別マスクレジスタのマスク操作コマンドにより、ＧＰＵにおける各ハードウェアスレッドはそれぞれの８つの１２８ビット幅の個別マスクレジスタにアクセスすることができるステップＳ２と、ユーザが使用可能な４つのマスク操作コマンドを有し、それぞれマスクレジスタに対するリダクション演算と、拡張演算と、論理演算及び汎用ベクトルレジスタとの間のデータ移動を実現するステップＳ３と、コマンドにより、条件制御における分岐マスクを生成し、同時にマスク値を求め、プログラマブルコアにおけるコマンド送信プロセスを最適化するステップＳ４と、を含む、これにより、無効なオペランドの読み取り及びパイプライン操作の実行を防止し、プログラマブル消費電力を低減することができる。【選択図】図１
Patent JP-2022545999-A (JP)
Title: 格子を使用するディスプレイ照明
IPC: G02B27/28
Filed: 2020-08-15
Abstract: ディスプレイアセンブリは、光源と、空間光変調器（ＳＬＭ：ｓｐａｔｉａｌ  ｌｉｇｈｔ  ｍｏｄｕｌａｔｏｒ）、および格子を含む。光源は照明光を発するように構成され、ＳＬＭは照明光を受け取り、照明光の少なくとも一部を反射するように構成される。格子は、光源から出力された照明光をＳＬＭに向けてリダイレクトし、ＳＬＭからの反射光の少なくとも一部を受け取り、第１の偏光を有する第１の光を光源に向けてリダイレクトし、第１の偏光に直交する第２の偏光を有する第２の光を格子を通って透過させるように位置付けられる。ディスプレイアセンブリによって実施される動作もまた開示される。 
【選択図】図４Ａ
Patent JP-2022043299-A (JP)
Title: Aerosol generating device and method for providing adaptive feedback through puff recognition
IPC: A24F40/57
Filed: 2022-01-05
Abstract: PROBLEM TO BE SOLVED: To provide adaptive feedback through recognition of a user's puff. 
     SOLUTION: A device includes: a battery configured to supply power; a heater configured to heat an aerosol generating material by receiving power from the battery; a sensor; at least one output unit; and a controller, where the controller detects a user's puff by using the sensor and controls at least one output unit based on puff characteristic data based on a result of the detection. 
     SELECTED DRAWING: Figure 5 
     COPYRIGHT: (C)2022,JPO&INPIT
Patent JP-2023100387-A (JP)
Title: combine
Inventor: GOTO KAZUMI
IPC: A01D67/00
Filed: 2022-01-06
Abstract: To provide a combine in which it is easy to visually recognize the state of grain culms jammed in a carrier device of a harvester.SOLUTION: A front panel is provided on a front side of a driver's seat of a driving part, and a side panel 20 is provided on the left side of the driver's seat. The side panel is formed by a first panel part 21 extending in a back and forth direction, a second panel part 22 inclined and extended upward to the left side from a left end part of the first panel part, and a suspension part extending downward from the left end part of the first panel part. The first panel part is provided with a gear shift lever 24 which operates a hydraulic continuously variable transmission increasing/decreasing speed of output rotation of an engine. A rear side of the gear shift lever is provided with a flat-shaped mode select panel. The driving part is provided with a first spindle or a second spindle which freely rotatably supports a rear part of the suspension part that extends in the horizontal direction. A posture of the side panel is changeable to an operation posture in which a longitudinal direction of the first panel part extends along the back and forth direction and to an open posture in which the longitudinal direction extends along a vertical direction.SELECTED DRAWING: Figure 6
Patent JP-2023102337-A (JP)
Title: Method for constructing sound insulation floor structure for deck of vessel, and sound insulation floor structure for deck of vessel
Inventor: MAKITA KOJI
IPC: B63B3/48
Filed: 2022-01-12
Abstract: To provide a method for constructing a sound insulation floor structure for a deck of a vessel which is excellent in adhesion between a vibration-damping material layer and a leveling material layer for a deck of a vessel, and is excellent in flatness of a finished surface of the leveling material layer for the deck of the vessel.SOLUTION: A method for constructing a sound insulation floor structure for a deck of a vessel includes the steps of bonding a vibration-damping material layer containing a modified asphalt composition onto an upper surface of a deck floor of a vessel, coating a resin mortar containing a cement composition and an emulsion of a synthetic resin onto the upper surface of the vibration-damping material layer, and curing the resin mortar, and forming a first resin mortar cured layer having adhesiveness, pouring and curing a self-leveling mortar containing a self-flowable hydraulic composition and water onto the upper surface of the first resin mortar cured layer, curing the self-leveling mortar, and forming a mortar cured body substrate layer having self-leveling property, wherein the amount of the synthetic resin with respect to 100 pts.mass of the cement composition is 25-100 pts.mass.SELECTED DRAWING: Figure 1
Patent JP-2022036240-A (JP)
Title: Membrane for EUV lithography
IPC: G03F1/62
Filed: 2022-01-12
Abstract: PROBLEM TO BE SOLVED: To provide a membrane for EUV lithography having high emissivity and a low possibility of failing. 
     SOLUTION: In one arrangement, a membrane comprises a stack having layers in the following order: a first capping layer comprising an oxide of a first metal; a base layer comprising a compound comprising a second metal and an additional element selected from the group consisting of Si, B, C and N; and a second capping layer comprising an oxide of a third metal, where the first metal is different from the second metal and the third metal is the same as or different from the first metal. 
     SELECTED DRAWING: Figure 3 
     COPYRIGHT: (C)2022,JPO&INPIT
Patent JP-2022058599-A (JP)
Title: Communication system
IPC: H04L67/141
Filed: 2022-01-13
Abstract: PROBLEM TO BE SOLVED: To provide a communication system which can appropriately provide a communication terminal in an open network with information in a closed network. 
     SOLUTION: In a communication system, a communication terminal 400 arranged in an open network performs a connection request to an information providing device 200 arranged in a closed network via a repeating device 300 arranged in the open network. When authentication is completed and a session is established, a data acquisition request is transmitted from the communication terminal 400 to the information providing device 200. The information providing device 200 performs virus countermeasure processing of specified data to transmit the data to the repeating device 300. The repeating device 300 performs the virus countermeasure processing of the received data. The repeating device 300 transmits the data in which the virus countermeasure is performed to the communication terminal 400. 
     SELECTED DRAWING: Figure 2 
     COPYRIGHT: (C)2022,JPO&INPIT
Patent JP-2022044680-A (JP)
Title: Semiconductor device
IPC: H01L21/8236
Filed: 2022-01-18
Abstract: PROBLEM TO BE SOLVED: To reduce leakage current and parasitic capacitance of a transistor used for an LSI, a CPU or a memory. 
     SOLUTION: A semiconductor integrated circuit such as an LSI, a CPU and a memory is manufactured by using a thin film transistor in which a channel region is formed by an oxide semiconductor which is an intrinsic or a substantially intrinsic semiconductor and has an energy gap larger than that of a silicon semiconductor by removal of an impurity to become an electron donor in the oxide semiconductor. The thin film transistor using an oxide semiconductor layer in which a hydrogen concentration is sufficiently reduced and high purity is achieved can achieve a semiconductor device with less power consumption by leakage current. 
     SELECTED DRAWING: Figure 1 
     COPYRIGHT: (C)2022,JPO&INPIT
Patent JP-2022058757-A (JP)
Title: Dual-function catheter with two sliding sheaths
IPC: A61M25/00
Filed: 2022-01-26
Abstract: PROBLEM TO BE SOLVED: To avoid such cases of damaging or hooking a tissue or organ, when a catheter is inserted. 
     SOLUTION: A catheter (1) comprises an injection nozzle (7) having conductivity at least at one portion and including a proximal part (73), a distal end (78) disposed adjacent to an exit orifice (75) and a distal-most end; and a sheath (4) configured that at least one of the injection nozzle (7) and the sheath (4) is movable with respect to the other, in a first position, the sheath (4) covers at least a portion of the injection nozzle (7) and in a second position, a portion of the injection nozzle (7) is exposed beyond the sheath (4). The distal-most end of the injection nozzle (7) has the width larger than the width of the portion of the injection nozzle (7) that is selectively covered and exposed with respect to the sheath (4), and the width of the distal-most end is larger than a distal opening in the sheath (4) such that the distal-most end is not covered by the sheath (4). 
     SELECTED DRAWING: Figure 16 
     COPYRIGHT: (C)2022,JPO&INPIT
Patent JP-2023110241-A (JP)
Title: Hand rail device
Inventor: SAITO SEIJI
IPC: E04F11/18
Filed: 2022-01-28
Abstract: To provide a hand rail device capable of preventing an engaged state between members from being unintentionally released.SOLUTION: A bracket body comprises a first engagement piece 33 having a first engagement surface, and a bracket cover 36 comprises a second engagement piece 44 having a second engagement surface. The second engagement piece 44 engages the first engagement piece 33 through surface contact of the second engagement surface on the first engagement surface to attache the bracket cover 36 on the bracket body. A first base surface 32A on which the first engagement piece 33 is arranged is continuous with the first engagement surface and an angle between the first base surface 32A and the first engagement surface forms an acute angle. A second base surface 43A on which the second engagement piece 44 of the bracket cover 36 is arranged is continuous with the second engagement surface, and an angle between the second base surface 43A and the second engagement surface forms an acute angle. The second engagement surface slides toward the first base surface 32A of the bracket body on the first engagement surface to keep engagement between the first engagement piece and the second engagement piece, when the bracket cover 36 shifts in a coming-off direction from the bracket body.SELECTED DRAWING: Figure 7
Patent JP-2023111087-A (JP)
Title: Cooker
Inventor: IWAMOTO MASAYUKI
IPC: F24C7/00
Filed: 2022-01-31
Abstract: To provide a cooker that can protect a heater unit, and efficiently transfer heat from the heater unit to an object to be heated.SOLUTION: A cooker comprises: a cooking chamber in which at least one first opening part is formed in a bottom part, and in which an object to be heated is housed; a heater unit including at least one heater for performing heating operation for applying heat to the object to be heated via the at least one first opening part; a cover part whose position can be changed, and for protecting the heater unit; and a cover moving part for moving the cover part so as to change the position of the cover part to an open position where the at least one first opening part is not closed by the cover part in a planar view when the heater unit performs the heating operation, and change it to a closed position where the at least one first opening part is closed by the cover part in the planar view when the heater unit does not perform the heating operation.SELECTED DRAWING: Figure 1
Patent JP-2023111688-A (JP)
Title: End structure and manufacturing method thereof
Inventor: MASAKAWA HIROKI
IPC: E04C5/20
Filed: 2022-01-31
Abstract: To provide an end structure including a metallic cap for protecting an end of a PC steel material.SOLUTION: An end structure comprises a PC steel material, a fixing tool gripping the PC steel material, a bearing plate supporting the fixing tool, a metallic cap covering the end of the PC steel material, the fixing tool and the bearing plate, a metallic bolt inserted into a bottomed bolt hole provided so as to pass through the cap and the bearing plate and made from a metal more valuable than the bearing plate and a resin arranged between the bolt and the bolt hole.SELECTED DRAWING: Figure 1
Patent JP-2023113211-A (JP)
Title: Discriminator generation device, computer program for discriminator generation device, learning model creation method, and computer program for discrimination system
Inventor: SUZUKI ARIYA
IPC: G06N20/00
Filed: 2022-02-03
Abstract: To provide a technique capable of handling the cases when similarity between a target domain and a source domain is insufficient.SOLUTION: A discriminator generation device that generates a discriminator for discriminating specific information of target sensor data included in a target domain includes: a source domain unit that includes a plurality of source domains, where each of the plurality of source domains includes source domain information, source sensor data and a source discriminator; a similarity calculation unit that calculates similarity of a target domain to each of the plurality of source domains; a conformity determination unit that determines which source domain conforms to the target domain based on the similarity; and a discriminator generation unit that newly generates, when it is determined that all the source domains do not conform to the target domain in the conformity determination unit, a target discriminator that conforms to the target domain.SELECTED DRAWING: Figure 1
Patent JP-2023113292-A (JP)
Title: Electronic information store medium, ic chip, transaction content approval determination method, and program
Inventor: YAMADA MASANARI
IPC: G06Q20/40
Filed: 2022-02-03
Abstract: To provide an electronic information storage medium, an IC chip, a transaction content approval determination method, and a program which can transfer authorization function provided in an IC chip from a PIN authorization function to a biometric authorization function while reducing modification costs of a terminal such as a settlement terminal and the like provided previously.SOLUTION: When an IC chip 2 is supplied with power, the IC chip carries out fingerprint authentication by using fingerprint feature information acquired by a fingerprint information acquiring unit 1 and fingerprint feature information initially registered in an NVM 24, and records the fingerprint authentication result. When an instruction to read performance information is received from a terminal T, the IC chip 2 transmits the performance information regarding authentication function of the IC card C to the terminal T, and when an instruction to determine transaction approval including transaction contents having been set by the terminal T is received from the terminal T, the IC chip determines, based on the finger authentication result, whether or not to approve the transaction contents, and transmits, as a response, the determined result to the terminal T.SELECTED DRAWING: Figure 2
Patent JP-2023117752-A (JP)
Title: Parking management system
Inventor: YOSHIHARA MASAAKI
IPC: G08G1/14
Filed: 2022-02-14
Abstract: To enable guidance of a parking section suitable for a user of a parking to the user in accordance with attribute information of the user stored in a device held by the user.SOLUTION: A parking management system 1 includes: a proximity wireless communication device 5 that stores attribute information indicating attributes of a user; an on-vehicle device 4; a gate device 3; and a parking management device 2. The proximity wireless communication device 5 and the on-vehicle device 4 perform communication by proximity wireless communication. The on-vehicle device 4 and the gate device 3 perform communication by ultra wide band radio. The gate device 3 and the parking management device 2 perform communication via a network. The gate device 3 uses the on-vehicle device 4 to acquire the attributes information of a user from the proximity wireless communication device 5 held by the user. The parking management device 2 searches a database 21 for position information of a parking section 60 associated with an attribute condition to which the attribute information acquired by the gate device 3 is suited, as position information of the parking section 60 for notification to the user.SELECTED DRAWING: Figure 1
Patent JP-2023117968-A (JP)
Title: Blank material, paper container and paper container with lid
Inventor: OKADA MAKIKO
IPC: B65D5/20
Filed: 2022-02-14
Abstract: To provide a blank material, a paper container and a paper container with a lid that can improve the ease of opening and recycling.SOLUTION: A blank material 30 includes: a bottom panel 31; a plurality of side panels 33 connected to the bottom panel 31 via a first fold line 32; and a plurality of flange piece panels 35 connected to each of the side panels 33 via a second fold line 34. A gap 36 is formed between the side panels 33. At least one flange piece panel 35 includes a protrusion 39 that overlaps another adjacent flange piece panel 35 when the blank material 30 is assembled.SELECTED DRAWING: Figure 9
Patent JP-2023120039-A (JP)
Title: Electrofusion apparatus
Inventor: HIMONO TOMOKAZU
IPC: B29C65/34
Filed: 2022-02-17
Abstract: To provide an electrofusion apparatus that can complete fusion work independently without using an external power supply.SOLUTION: An apparatus body 12 of the electrofusion apparatus is provided with an enclosure 20. Inside this enclosure, a control unit that controls the operation of the electrofusion apparatus and a storage battery 24 that supplies power to electrofusion fittings are provided.SELECTED DRAWING: Figure 2
Patent JP-2022132194-A (JP)
Title: Composite powder and method for producing the same, negative electrode for secondary battery and secondary battery
Inventor: USUI HIROYUKI
IPC: H01M10/0568
Filed: 2022-02-25
Abstract: To provide a secondary battery that allows improvement in capacity and cycle characteristics.SOLUTION: A composite powder containing a first component composed of Sn4 P3 and a second component composed of Sb, Sn or Fe is used as a negative electrode active material, which allows improvement in capacity and cycle characteristic of a secondary battery.SELECTED DRAWING: Figure 1
Patent JP-2023126040-A (JP)
Title: Control system, loading machine, and control method
Inventor: OASA TAKAO
IPC: E02F9/20
Filed: 2022-02-28
Abstract: To provide a control system capable of calculating the earth pressure coefficient of the excavation target.SOLUTION: A control system for controlling a loading machine with work equipment having a bucket includes a controller. The controller calculates the traction force of the loading machine during excavation work to excavate an excavation target with a bucket. The controller calculates the load height representing the height of the excavation target inside the bucket during excavation work. The controller calculates the earth pressure coefficient of the excavation target based on the traction force and the loading height.SELECTED DRAWING: Figure 1
Patent JP-2023132904-A (JP)
Title: Learning model generation device, learning model generation method, and program
Inventor: YASUI TATSUYA
IPC: G06N20/00
Filed: 2022-03-11
Abstract: To provide a technique that can create a learning model with a high accuracy rate for both a source task and an additional task.SOLUTION: A learning unit (12) learns a learning data-label relationship of a source task and generates a learning model of the source task. A transfer learning unit (15) generates, based on the learning model of the source task, a model structure including a label of an additional task in the learning model of the source task, and generates a learning model of the additional task by learning a learning data-label relationship of the additional task based on the model structure.SELECTED DRAWING: Figure 8
Patent JP-2023136196-A (JP)
Title: Process liquid, inkjet ink set, and manufacturing method of printed matter
Inventor: ITO MASANORI
IPC: B41M5/00
Filed: 2022-03-16
Abstract: To provide a process liquid that can be imparted by an inkjet method and is excellent in storage stability, and is capable of applying to various base materials such that a high quality image can be formed by an aqueous inkjet ink.SOLUTION: A process liquid applied to a substrate by an inkjet method, contains water, a water-soluble organic solvent, a polyvalent metal acetate, acetic acid, and a surfactant, and when a mole number in terms of polyvalent metal ions of a n-valent polyvalent metal salt present in the process liquid is set to Mn, a valence is set to n, and a mole number in terms of acetic ion of acetic acid and acetate present in the process liquid is set to A, 1.000<A/(Mn×n)≤1.400 is satisfied.SELECTED DRAWING: None