baber/WOPTO huggingface dataset:
Patent JP-2023133056-A (JP)
Title: rice cooker
Inventor: ORITO MAYUKA
IPC: A47J27/00
Filed: 2022-05-25
Abstract: To provide a rice cooker capable of performing selective cooking according to water quality.SOLUTION: A rice cooker of the present invention includes: rice cooking control means 51 for performing rice cooking control for rice to be cooked including water; and a water hardness selection screen G2, a water hardness value input screen G3, a prefecture selection screen G6, and operation means 19 as selection means operated so as to select information on the hardness of water in the rice to be cooked. The rice cooking control means 51 is configured so as to execute rice cooking control according to the information on the hardness of water selected by the water hardness selection screen G2, the water hardness value input screen G3, the prefecture selection screen G6, and the operation means 19.SELECTED DRAWING: Figure 12
Patent JP-2023173862-A (JP)
Title: 軟包装用ラミネート用印刷インキ組成物、印刷方法、印刷物及びラミネート積層体
IPC: C09D11/102
Filed: 2022-05-26
Abstract: 【課題】保存安定性がよく、印刷適性に優れ、かつ、用途に応じて硬化剤を配合した場合においても、残肉インキのポットライフが良好である軟包装用ラミネート用印刷インキ組成物を提供すること。【解決手段】 Ａ．顔料、Ｂ．アミン価が２．０７～４．５５ｍｇＫＯＨ／ｇ、水酸基価５．００～６．７０ｍｇＫＯＨ／ｇのポリウレタン樹脂を含むバインダー樹脂、Ｃ．有機溶剤、のＡ～Ｃを含有し、このポリウレタン樹脂は、重合成分として、ポリオール成分と、ポリイソシアネート成分と、モノアミノアルコール成分と、ジアミン成分と、ポリアルキレンポリアミンを含有するポリアミン成分、を含有し、このポリウレタン樹脂は、末端に第１級アミノ基及び／又は第２級アミノ基を有し、且つ末端に水酸基を含有する、軟包装用ラミネート用印刷インキ組成物。【選択図】なし
Patent JP-2023175420-A (JP)
Title: 経口物、及び牛のルーメン管理システム
IPC: A01K29/00
Filed: 2022-05-30
Abstract: 【課題】酪農家及び畜産農家の本来の作業に負担をかけることなく、個々の牛から排出されるメタンガスの排出量を精度よく測定する。【解決手段】センサモジュール３８は、検出制御部４０から指示で、定期的にメタンガス濃度を検出し、検出制御部４０では、検出したメタンガス濃度をタイムラインにプロットして逐次記憶する。一定期間のタイムライン上にプロットされた濃度遷移データが作成されると、当該濃度遷移データを通信部４２を介して、酪農家側管理サーバー１０へ送信する。データ送信は、無線通信で行われるが、牛１２を識別する情報（ＩＤ等）と共に送信されるため、酪農家側管理サーバー１０では、複数の牛１２からの濃度遷移データを牛１２毎に管理することができる。【選択図】図３
Patent JP-2023177162-A (JP)
Title: 遊技機
IPC: A63F7/02
Filed: 2022-06-01
Abstract: 【課題】安定した変動回数の時短遊技を実行させる。【解決手段】遊技機は、遊技球の発射手段と、開閉手段と所定の始動口とを備えた開閉動作手段と、所定期間の所定の変動表示を実行する実行手段と、権利の保留処理と保留対応処理とを含む所定制御処理を実行する制御手段と、所定の変動表示を所定表示結果で停止させる手段と、所定表示結果の停止後に特別遊技状態を発生させる手段とを備える。さらに、特定条件の成立に基づいて特定期間の開閉動作手段の特定遊技状態を実行する手段と、特定遊技状態を終了させる特定遊技終了手段とを備える。特定遊技終了手段は、所定の変動表示が特定回数Ｎ回行われ所定制御処理の実行が行われなかった場合、所定の変動表示がＮ－１回行われ所定制御処理の実行が１回行われた場合、または、所定の変動表示がＮ－２回行われ所定制御処理の実行が２回行われた場合に、少なくとも特定遊技状態を終了させる。【選択図】図４６３
Patent JP-2023010592-A (JP)
Title: Nonlinear lookup table update method, apparatus, and optical receiver
Inventor: ZHANG KE
IPC: H04B10/69
Filed: 2022-06-03
Abstract: To provide a nonlinear lookup table updating method, an apparatus, and an optical receiver.SOLUTION: A method for updating a nonlinear lookup table includes, in an iterative update process of the lookup table, performing suppressing processing on a residual linear ISI contained in the input lookup table to obtain the lookup table after the processing.SELECTED DRAWING: Figure 7
Patent JP-2023178829-A (JP)
Title: 頭蓋形状矯正ヘルメット及び頭蓋形状矯正ヘルメットの製造方法
IPC: A61F5/01
Filed: 2022-06-06
Abstract: 【課題】外観上十分に美しい頭蓋形状矯正ヘルメットを提供すること。【解決手段】頭蓋形状矯正ヘルメット１は、頭蓋の変形を矯正するために頭部に被せられる頭蓋矯正ヘルメット１であって、シェル１１と、シェル１１の内面に配置されて頭部に接触するクッション１９と、シェル１１の外表面に設けられた水圧転写膜２１と、を備え、シェル１１には、複数の第１の通気孔１７が設けられ、複数の第１の通気孔１７の開口径は、０．５ｍｍ以上５ｍｍ以下である。【選択図】図２
Patent JP-2023180642-A (JP)
Title: 車両制御システム
IPC: G08G1/09
Filed: 2022-06-10
Abstract: 【課題】情報を通知できない車両が存在する場合であっても、当該車両を含む車両がスムーズに信号交差点を通過できる可能性を高める技術の提供。【解決手段】自動追従走行を行っている車両の時系列の位置を含む車両情報を取得する車両情報取得部と、前記車両情報に基づいて、複数の前記車両を分類するグルーピング部と、同一の前記グループに属する前記車両のうち、制御目標を特定するための目標特定情報を他の装置から取得可能な前記車両を制御対象車両とし、前記目標特定情報を他の装置から取得不可能な前記車両を含む他の前記車両を追従車両とする車両種別設定部と、前記制御対象車両が、停車せずに前記信号交差点の信号機が示す通過可能期間に前記信号交差点を通過可能になる制御目標を特定するための前記目標特定情報を、前記制御対象車両に対して、送信する制御目標送信部と、を備える車両制御システムを構成する。【選択図】図１
Patent JP-2023183763-A (JP)
Title: 部品供給システム、管理装置、部品供給方法、及びプログラム
IPC: G06Q50/04
Filed: 2022-06-16
Abstract: 【課題】より簡易な構成で、各利用者が使用した部品を把握する。【解決手段】利用者の識別情報を読み取る読取部と、供給する対象の部品の選択入力を受け付ける入力部と、選択された部品を取り出し口に排出する供給部とを備える自動供給装置と、前記自動供給装置と通信を行い、前記排出された部品の種類および数量と、前記読み取った利用者の識別情報とを取得する供給情報取得部と、前記供給した部品の種類および数量を、前記読み取った利用者の識別情報に対応付けて記憶する供給情報記憶部とを備えるサーバ装置とを有する。【選択図】図１
Patent JP-2024000371-A (JP)
Title: 紫外線照射装置
IPC: B01J19/12
Filed: 2022-06-20
Abstract: 【課題】ランプをより適切に冷却する。【解決手段】紫外線照射装置１０は、照射ユニット２０と、空冷ユニット４０と、を備えている。照射ユニット２０は、紫外線を照射する第１ランプ２１Ａ～第４ランプ２１Ｄを有している。空冷ユニット４０は、メイン配管４１と、第１分岐配管４２Ａと、第２分岐配管４２Ｂと、第１風量調整機構５２Ａと、第２風量調整機構５２Ｂと、を有している。第１分岐配管４２Ａは、メイン配管４１から分岐している。第２分岐配管４２Ｂは、メイン配管４１から分岐している。第１風量調整機構５２Ａは、第１分岐配管４２Ａに取り付けられている。第２風量調整機構５２Ｂは、第２分岐配管４２Ｂに取り付けられている。第１分岐配管４２Ａ及び第２分岐配管４２Ｂは、個別に流量調整が可能である。【選択図】図３
Patent JP-2022121533-A (JP)
Title: Targeted disruption of mhc cell receptor
IPC: A61K35/28
Filed: 2022-06-24
Abstract: PROBLEM TO BE SOLVED: To provide methods and compositions that can be used to modify MHC gene expression (e.g., knockout B2M) and/or knock out TCR expression in T cells. 
     SOLUTION: Disclosed herein are compositions and methods for partial or complete inactivation or disruption of a B2M gene, and compositions and methods for introducing and expressing to desired levels of exogenous TCR, CAR or ACTR transgenes in T lymphocytes, after or simultaneously with the disruption of an endogenous TCR and/or B2M. 
     SELECTED DRAWING: Figure 1 
     COPYRIGHT: (C)2022,JPO&INPIT
Patent JP-2022141677-A (JP)
Title: Aerosol tyrosine kinase inhibitor compounds and uses thereof
IPC: A61K47/18
Filed: 2022-06-28
Abstract: PROBLEM TO BE SOLVED: To provide liquid, dry powder and metered-dose formulations for therapeutic inhaled delivery of phenylaminopyrimidine derivative compositions such as imatinib and other kinase inhibitor compounds to desired anatomical sites, for treatment and/or prophylaxis of a variety of pulmonary, neurologic, cardiovascular and solid organ disease conditions. 
     SOLUTION: A pharmaceutical composition for treatment of lung disease in a patient in need thereof is provided that includes a dry powder formulation of nintedanib or a salt thereof and a pharmaceutically acceptable diluent, carrier or excipient. The pharmaceutical composition is formulated for short-term exposure through inhalation, and achieves reduced decline in forced vital capacity (FVC) of the patient. 
     SELECTED DRAWING: Figure 1 
     COPYRIGHT: (C)2022,JPO&INPIT
Patent JP-2022126874-A (JP)
Title: Holding device and article supply apparatus
IPC: G07F11/44
Filed: 2022-07-01
Abstract: PROBLEM TO BE SOLVED: To provide a coin holding device with a structure that facilitates easy replacement of a discrimination unit performing coin discrimination. 
     SOLUTION: A holding device capable of holding a coin of a first type and a coin of a second type that have been inserted includes: a main body; a first holding part provided on a first face side of the main body below the main body and configured to hold the coin of the first type; and a second holding part provided on a second face side opposite to the first face side below the main body and configured to hold the coin of the second type. The main body has a mounting part to which a coin discrimination part that performs coin discrimination can be mounted. The mounting part is located above the first holding part and the second holding part, and at least one of the first face side and the second face side. 
     SELECTED DRAWING: Figure 1 
     COPYRIGHT: (C)2022,JPO&INPIT
Patent JP-2024011486-A (JP)
Title: 印刷方法、及び印刷装置
IPC: B41M5/00
Filed: 2022-07-14
Abstract: 【課題】ビーディングの発生を抑制し、優れた耐擦過性、光沢性、及び密着性を有する記録物を得る印刷方法の提供。【解決手段】非浸透性基材上にプライマ付与工程と、前記プライマが付与された領域にカラーインク付与工程と、前記カラーインクが付与された領域にクリアインク付与工程を有する印刷方法であり、前記プライマが、カチオン性樹脂、多価金属塩、及びジエチレングリコールアルキルエーテル系有機溶剤を含み、前記カラーインクが、ガラス転移温度（Ｔｇ）が０℃未満の樹脂粒子、及び下記一般式（１）で表される有機溶剤を含み、前記クリアインクが、体積平均粒径が５０ｎｍ以下である樹脂粒子、及び下記一般式（１）で表される有機溶剤を含み、前記クリアインクの乾燥膜は、５０℃以上及び０℃未満にガラス転移温度（Ｔｇ）を有する印刷方法である。JPEG2024011486000022.jpg34110（ただし、上記一般式（１）中、Ｒ１は、炭素数１以上４以下のアルキル基を表す）【選択図】なし
Patent JP-2022132511-A (JP)
Title: liquid crystal display
IPC: G02F1/1333
Filed: 2022-07-19
Abstract: PROBLEM TO BE SOLVED: To solve the problem in which: in a semi-transmissive liquid crystal display, when a reflecting electrode and a transparent electrode are formed, two resist masks are used and which increases cost. 
     SOLUTION: A transparent electrode and a reflecting electrode to be a pixel electrode are laminated. An exposure mask having a semi-transmissive part on the reflecting electrode is used to form a resist pattern having an area with a thick film thickness and an area with a thinner film thickness than that of the area. The resist pattern is used to form the reflecting electrode and transparent electrode. Thus, the reflecting electrode and the transparent electrode can be formed by using one resist mask. 
     SELECTED DRAWING: Figure 2 
     COPYRIGHT: (C)2022,JPO&INPIT
Patent JP-2023022819-A (JP)
Title: Robot system with object update mechanism and method for operating robot system
Inventor: KANEMOTO YOSHIKI
IPC: B25J13/00
Filed: 2022-07-20
Abstract: To provide a robot system and method for transferring an unexpected object.SOLUTION: A robot system uses a motion plan derived on the basis of an initial detection result of a package to transfer the package from a start location to a task location. During implementation of the motion plan, the robot system acquires additional sensor data, and determines erroneous detection by comparing the additional sensor data with a registered record corresponding to the initial detection result. The robot system deviates from the initial motion plan and executes replacement motion plan by using the additional sensor data, and transfers the package to the task location. The robot system updates the registered record so as to include the additional sensor data about the package.SELECTED DRAWING: Figure 6
Patent JP-2022132610-A (JP)
Title: brake device
IPC: B60T11/16
Filed: 2022-07-22
Abstract: PROBLEM TO BE SOLVED: To provide a brake device which inhibits increase of a size in a width direction when the brake device is mounted on a vehicle to improve vehicle mountability. 
     SOLUTION: A brake device includes: a master cylinder in which a piston is provided within a master cylinder housing; and a stroke simulator provided with a reaction piston which is operated by a brake fluid flowing into a stroke simulator housing. The stroke simulator housing includes: a body provided with the reaction piston; and a connection part which is integrally provided with the body, extends in a direction orthogonal to an axis of the reaction piston, and is fixed to the master cylinder housing. The master cylinder housing and the body are disposed so as to have portions overlapping with each other when viewed in a vehicle width direction in a state that the brake device is mounted on a vehicle. The piston and the reaction piston are not disposed arranged side by side in a direction of an axis of the master cylinder. 
     SELECTED DRAWING: Figure 13 
     COPYRIGHT: (C)2022,JPO&INPIT
Patent JP-2023017756-A (JP)
Title: Electric automobile charging system and method therefor
Inventor: BAE KYUNG SOO
IPC: H02J7/02
Filed: 2022-07-26
Abstract: To provide an electric automobile charging system and a method therefor.SOLUTION: A method for charging an electric automobile 40 with an electric automobile charging system 1A including a user terminal machine, a management server, and a charger, includes the steps in which: a user terminal machine 10 transmits positional information on the user terminal machine to a management server; a management server 20 determines a charger 30 that is usable according to the positional information, and transmits information on the determined charger to the user terminal machine; the user terminal machine selects the determined charger, and transmits reservation request information for a reservation of the selected charger to the management server; the management server transmits a reservation command signal to the charger corresponding to the reservation request information so as to lock the charger, and transmits information corresponding to the user of the user terminal machine to the locked charger; and the locked charger is unlocked in response to an input of authentication information for authenticating the user.SELECTED DRAWING: Figure 1
Patent JP-2022140591-A (JP)
Title: flexible commissure frame
IPC: A61F2/24
Filed: 2022-07-28
Abstract: PROBLEM TO BE SOLVED: To provide stents and prosthetic valves that can have a high degree of flexibility, without compromising mechanical integrity or functionality. 
     SOLUTION: Prosthetic devices and frames to be implanted in a cardiac valve annulus include an annular frame (having an inflow end and an outflow end), and a plurality of axial frame members as bridges between two circumferentially extending rows of angled struts. The axial frame members can include a plurality of axially extending leaflet attachment members and a plurality of axial struts in a 1:1 ratio. Along each of the two rows, the frame can have at least three angled struts between adjacent axial frame members. 
     SELECTED DRAWING: Figure 1 
     COPYRIGHT: (C)2022,JPO&INPIT
Patent JP-2022153636-A (JP)
Title: Store device and system for providing food product
IPC: G06Q50/12
Filed: 2022-08-04
Abstract: PROBLEM TO BE SOLVED: To provide a store device and system that can provide food products in a manner fitting for carrying, and enabling consumers to recognize their containers unmistakably. 
     SOLUTION: A store device 1 provided in a store, and for the purpose of providing food products comprises: a processing unit 11 that receives orders from consumers; a storage unit 12 that inputs information on the order; identification information mechanisms 11 and 15 that attach visually recognizable order identification information capable of identifying the order to a container the food product is supplied to, in which the order identification information is output from an output device based on the information on the order stored in a storage unit 12, and is attached to the container by the output of the output device; and image display mechanisms 11 and 15 that display an image including a label having the order identification information indicated, and an image including a label of a past order stored in the storage device on a display installed in the store. 
     SELECTED DRAWING: Figure 3 
     COPYRIGHT: (C)2023,JPO&INPIT
Patent JP-2023009039-A (JP)
Title: Methods for diagnosing and treating cancer involving cancer stem cells
IPC: A61K31/337
Filed: 2022-09-01
Abstract: PROBLEM TO BE SOLVED: To provide methods for diagnosing or treating cancer diseases including cancer stem cell comprising targeting CLDN6. 
     SOLUTION: In one embodiment, the presence of cells expressing CLDN6 exhibits the presence of cancer stem cells and/or the amount of cells expressing CLDN6 correlates with the amount of cancer stem cells. In one embodiment, cells expressing CLDN6 are detected in a sample obtained from a cancer patient before, during and/or after cancer treatment. In one embodiment, this method comprises quantitative and/or qualitative determination of cells expressing CLDN6. In one embodiment, the method comprises comparing the amount of cells expressing CLDN6 to the amount of cells expressing CLDN6 in a reference sample or to a predetermined reference range. The reference sample is a sample taken from a patient who has not been diagnosed as cancer. The predetermined reference range is based on a population of patients who have not been diagnosed with cancer. 
     SELECTED DRAWING: None 
     COPYRIGHT: (C)2023,JPO&INPIT
Patent JP-2022164874-A (JP)
Title: Method and apparatus for transvascular implantation of neo-chordae tendineae
IPC: A61F2/24
Filed: 2022-09-01
Abstract: PROBLEM TO BE SOLVED: To provide a method and apparatus for transvascular implantation of neo-chordae tendineae. 
     SOLUTION: Methods and devices for transvascular prosthetic chordae tendineae implantation are disclosed. A catheter is advanced into the left atrium, through the mitral valve, and into the left ventricle. A ventricular anchor is deployed from the catheter into a wall of the left ventricle, leaving a ventricular suture attached to the ventricular anchor and extending proximally through the catheter. A leaflet anchor is deployed to secure a mitral valve leaflet to a leaflet suture, with the leaflet suture extending proximally through the catheter. The leaflet suture is secured to the ventricular suture to limit a range of travel of the leaflet in the direction of the left atrium. Also disclosed is a mitral valve leaflet restraint to be assembled in situ, having a neo-papillary muscle and a neo-chordae tendineae. 
     SELECTED DRAWING: Figure 38H 
     COPYRIGHT: (C)2023,JPO&INPIT
Patent JP-2023063241-A (JP)
Title: Textile for supporting locomotorium of human body and hot stamp material having support properties
Inventor: YAO MING-HSIEN
IPC: B32B25/08
Filed: 2022-09-29
Abstract: To provide textile for supporting locomotorium of the human body and a hot stamp material having support properties.SOLUTION: The present invention provides textile including a support mechanism that is provided on a surface of woven fabric and comprises a print layer and a layered elastic support body, the elastic support body being a thermoplastic elastomer material and being combined with the print layer, and a plurality of air permeability elements provided within the support mechanism. The textile of the present invention can be used to make clothing for the human body and the support mechanism can support locomotorium of the human body. The present invention also provides a hot stamp material that has support properties, in which the print layer and a thermoplastic elastomer material layer are provided on a surface of a base material, and the print layer and the thermoplastic elastomer material layer are combined on the woven fabric, thereby forming the textile of the present invention.SELECTED DRAWING: Figure 1A
Patent JP-2023091733-A (JP)
Title: System and method for generating set of illumination patterns for use in photomechanical molding system
Inventor: NILABH K ROY
IPC: H01L21/027
Filed: 2022-10-05
Abstract: To provide a method for generating a set of actinic radiation illumination patterns which are projected through a molding surface that comes into contact with a photopolymerizable molding material.SOLUTION: Provided are a system and method for generating a set of illumination patterns. An intensity distribution of pixels in array of actinic radiation pixels projected to a plane of molding surface is received while the molding surface is in contact with a moldable material on a substrate. A predictive dose pattern is calculated on the basis of the intensity distribution of pixels and a set of operation parameters. The set of operation parameters may include a set of modulation maps, a set of position shift of an illuminator array, and a set of duty cycles. A curing dosage fluctuation index is determined on the basis of the predictive dose pattern. The curing dosage fluctuation index is compared with a threshold. The curing set of operation parameters in the operation parameter superset is selected on the basis of the comparison of the curing dosage fluctuation index with a dose fluctuation threshold.SELECTED DRAWING: Figure 8
Patent JP-2023012485-A (JP)
Title: Chromatogram display device and chromatogram display method
IPC: G01N27/62
Filed: 2022-10-20
Abstract: PROBLEM TO BE SOLVED: To provide a technology with which it is possible to easily confirm a component that can hardly be detected by a technique different from mass spectrometry, without having to confirm complex data in detail that is acquired by a mass spectrometer. 
     SOLUTION: Provided is a device for displaying a chromatogram using measurement data that includes a measured value for each component having been acquired by measuring components in a sample separated in time by a technique different from mass spectrometry, and mass spectrometry data having been acquired by measuring with mass spectrometry, that includes an intensity value per mass-to-charge ratio of ions deriving from the component. This device comprises: a chromatogram creation unit 45 for creating a chromatogram on the basis of measured data that shows a temporal change of measured values; an information extraction unit 46 for detecting a peak on the basis of a temporal change of intensity values of mass spectrometry data and extracting a time that represents the peak; and a chromatogram display unit 48 for displaying the chromatogram together with additional information that corresponds to the time that represents the peak. 
     SELECTED DRAWING: Figure 1 
     COPYRIGHT: (C)2023,JPO&INPIT
Patent JP-2022191510-A (JP)
Title: Benzothiazole and related compound
IPC: A61K9/08
Filed: 2022-10-27
Abstract: PROBLEM TO BE SOLVED: To provide a method for treating a disease. 
     SOLUTION: Disclosed is a compound that accelerates spine formation, can reduce neurotoxicity of β-amyloid peptide, and/or lightens symptoms of traumatic brain injury of a patient. In one embodiment, the present invention provides a method for reducing neurotoxicity of β-amyloid peptide to a neuron. The method includes a step of bringing β-amyloid peptide into contact with a therapeutically effective amount of a compound described in this specification, or a pharmaceutically acceptable salt thereof or solvate, or a composition under conditions sufficient for reducing neurotoxicity of β-amyloid peptide. 
     SELECTED DRAWING: Figure 2 
     COPYRIGHT: (C)2023,JPO&INPIT
Patent JP-2023055686-A (JP)
Title: Biodegradable resin composition and molded body
IPC: C08L67/02
Filed: 2022-11-04
Abstract: PROBLEM TO BE SOLVED: To provide a biodegradable resin composition having a rapid biodegradation rate and high biodegradability. 
     SOLUTION: There is provided a biodegradable resin composition which comprises a polyester resin and one or more compounds selected from a nitrogen compound represented by the following formula (I) and its salt, wherein the polyester resin is a resin having a dicarboxylic acid unit and a diol unit, has three or more structural units and has at least any of a succinic acid unit and a sebacic acid unit, the nitrogen compound is a linear aliphatic hydrocarbon containing two or more amino groups and two or more primary amino groups in the molecule (provided that "an amino group" is excluded), the content of the compound is 0.1 wt.% or more and 70 wt.% or less, the concentration of nitrogen atoms in the compound is 6 wt.% or more and the compound has a molecular weight of less than 10000. (wherein, R, R' and R'' each independently represent a hydrogen atom or a monovalent organic group which may have substituents which do not form a ring structure with each other.) 
     SELECTED DRAWING: None 
     COPYRIGHT: (C)2023,JPO&INPIT
Patent JP-2023009258-A (JP)
Title: Ophthalmological preparation
IPC: A61K47/44
Filed: 2022-11-17
Abstract: PROBLEM TO BE SOLVED: To provide multi-dose type ophthalmological preparations which contain an acidic saccharide and a cation preservative and are excellent in storage properties. 
     SOLUTION: An ophthalmological preparation containing (A) an acidic saccharide, (B) a cation preservative, and (C) eucalyptus oil is prepared. There are also provided: a preservative for a composition in which an acidic saccharide and a cation preservative coexist, the preservative containing eucalyptus oil; as well as a storage effect enhancement method for a composition by allowing eucalyptus oil to coexist with a composition containing an acidic sugar and a cationic preservative. 
     SELECTED DRAWING: Figure 1 
     COPYRIGHT: (C)2023,JPO&INPIT