baber/WOPTO huggingface dataset:
Patent JP-2020512058-A (JP)
Title: 医療用固定装置および医療用装置
IPC: A61B90/50
Filed: 2018-03-14
Abstract: 本発明は、クランプ要素とセンサ収容部とを備える、電磁センサのための医療用固定装置、並びにそのような固定装置と、電磁センサと、医療器具とを備える医療用装置に関する。前記クランプ要素は、相手方部材と、該相手方部材に対して相対的に可動の押圧部材とを有し、前記相手方部材は、自由収容領域を解放する側方の切削部を有し、前記収容領域自体は、相手方部材により少なくとも部分的にフレーム状に取り囲まれている。相手方部材は、前記収容領域を指す凹部を有し、該凹部は、前記押圧部材に対向して配置されており、前記相手方部材には、凹部に対向して配置された切削部が設けられている。前記押圧部材は、前記切削部内で、相手方部材の凹部の方向に可動である。【選択図】 図１
Patent JP-2020516137-A (JP)
Title: 新無線（ｎｅｗ  ｒａｄｉｏ）におけるセル再選択測定ウインドウ
IPC: H04W72/04
Filed: 2018-03-23
Abstract: ＲＲＣ＿ＩＤＬＥ及びＲＲＣ＿ＩＮＡＣＴＩＶＥ状態のための同期信号（ＳＳ）ブロックベースのセル再選択測定のために、無線ネットワークノードによってサービスされるセルにキャンプオンするＵＥを構成するための、ｇＮｏｄｅＢ（ｇＮＢ）のような無線ネットワークノード、ユーザ装置（ＵＥ）、及び方法。本方法は、測定ウインドウのための構成パラメータを含む、システム情報（ＳＩ）のような情報をＵＥに提供することを含み、構成パラメータは、ＲＲＣ＿ＩＤＬＥ及びＲＲＣ＿ＩＮＡＣＴＩＶＥ状態のためのＳＳブロックベースのセル再選択測定のための、ウインドウ周期性パラメータと、ウインドウオフセットパラメータと、ウインドウ持続時間パラメータとを含む。
Patent JP-2020518207-A (JP)
Title: 基本データシーブの使用によるデータの無損失削減、ならびに基本データシーブを使用して無損失削減されたデータに対する多次元検索およびコンテンツ連想的な取出しの実行
IPC: H03M7/40
Filed: 2018-04-26
Abstract: 基本データエレメントのコンテンツに基づいて基本データエレメントを組織化するデータ構造を用いることによって、入力データが無損失削減され得る。あるいは、データ構造は、基本データエレメントから導出される名前のコンテンツに基づいて基本データエレメントを組織化し得る。具体的には、（１）データ構造を用いて一組の基本データエレメントを識別し、（２）一組の基本データエレメントを用いてイントラフレームを無損失削減することによって、映像データが無損失削減され得る。入力データはデータ構造のコンポーネントのメモリ使用に基づいて動的にパーティション分割され得る。パーティションに基づいてパーセルが作成されて、データのアーカイビングおよび移動が容易になり得る。無損失削減データは一組の蒸留ファイルおよび一組の基本データエレメントファイルを用いて記憶され得る。
Patent JP-2020518368-A (JP)
Title: 内視鏡処置におけるデバイス交換のためのシステムおよび方法
IPC: A61B1/01
Filed: 2018-05-02
Abstract: 本開示の実施形態は、内視鏡処置におけるデバイス交換のためのシステムおよび方法に関する。一実施態様では、内視鏡処置におけるデバイス交換のためのシステムは、細長いデバイスの遠位端から近位端に延びるスリットを有する細長いデバイスと、主ブロックと、アダプタとを含む。主ブロックは、内視鏡のポートに取り付けられるように構成される。主ブロックは、ガイドワイヤおよび細長いデバイスを受容するための主チャネルを含む。アダプタは、主ブロックと係合され、ガイドワイヤを細長いデバイスに併合するように構成することができる。アダプタは、細長いデバイスを受容するための作業チャネルと、作業チャネルの内壁から立ち上がる作業部材とを含む。細長いデバイスが作業チャネルを通過すると、作業部材は、ガイドワイヤの一部分がスリットの開いた部分を通って細長いデバイスに併合するように、細長いデバイスのスリットの一部分を楔状に開く。
Patent JP-2020519193-A (JP)
Title: データ伝送方法、端末デバイス及びアクセスネットワークデバイス
IPC: H04W74/08
Filed: 2017-07-18
Abstract: 本願は、データ伝送方法、端末デバイス及びアクセスネットワークデバイスを提供することで、ＲＲＣ接続を確立することを必要とせずに、第１ＲＲＣシグナリングに基づいて、端末デバイスとアクセスネットワークデバイスとの間でデータを伝送することができ、データ伝送用のベアラを確立するために必要とされるシグナリングオーバヘッドを削減できる。方法は、端末デバイスにより、第１インジケーションをアクセスネットワークデバイスに送信する段階であって、第１インジケーションは、端末デバイスによりアクセスネットワークデバイスに送信される第１無線リソース制御ＲＲＣシグナリングに基づいて、端末デバイスがデータを伝送することを示すために用いられる、及び／又は、第１インジケーションは、アクセスネットワークデバイスにより端末デバイスに送信される第１無線リソース制御ＲＲＣシグナリングに基づいて、アクセスネットワークデバイスがデータを伝送することを示すために用いられる、段階と、第１ＲＲＣシグナリングに基づいて、端末デバイスとアクセスネットワークデバイスとの間でデータを伝送する段階とを含む。
Patent JP-2020519730-A (JP)
Title: フルオロポリマーハイブリッド複合体
IPC: C08L27/12
Filed: 2018-05-08
Abstract: 本発明は、フルオロポリマーハイブリッド有機／無機複合体、前記フルオロポリマーハイブリッド有機／無機複合体を含むフィルム、並びに様々な用途、特に電気化学および光電気化学用途における前記フィルムの使用に関する。【選択図】なし
Patent JP-2020523067-A (JP)
Title: ドレープアダプタ
IPC: A61B34/32
Filed: 2018-06-14
Abstract: 医療装置の第１の構成要素に結合し、医療器具を受け入れるように構成されたドレープアダプタである。医療装置の第１の構成要素は、駆動機構の非滅菌部分を含む。ドレープアダプタは、駆動機構の滅菌部分の少なくとも１つの構成要素の少なくとも一部を通過させるように構成されたシール部材を備える。ドレープアダプタは、ドレープアダプタの外部環境の滅菌性を損なうことなく、駆動機構の滅菌部分の少なくとも１つの構成要素と駆動機構の非滅菌部分との間の直接係合を介して、シール部材を介して医療装置の第１の構成要素から医療器具へのトルクの伝達を可能にするように構成される。【選択図】図９Ａ
Patent JP-2020527376-A (JP)
Title: 薬物容器のためのガス透過性シーリング部材及び組立方法
IPC: A61M5/142
Filed: 2018-07-11
Abstract: 薬物送達デバイス、そのような薬物送達デバイス内に収容される容器のためのシーリング部材及び関連する組立方法が開示される。薬物送達デバイスは、ハウジングと、ハウジング内に配置され、且つ内容積を有する容器と、内容積内に配置された薬物と、セプタムとを含み得る。容器は、端部表面に形成され、且つ内容積と連通する開口部を有し得る。セプタムは、開口部を通して容器の内容積に挿入される基端部を含み得る。加えて、セプタムは、基端部の外側に配置されており、且つ容器の端部表面に接触するフランジを有する先端部を含み得る。フランジの少なくとも端部部分は、気体滅菌剤を透過させる材料で作製され得る。
Patent JP-2020514776-A (JP)
Title: 放射線医学システムによって投与された放射線量を推定する方法
IPC: A61N5/10
Filed: 2018-03-13
Abstract: 本発明は、Ｘ線源と平面センサを備えた放射線医学システムによって投与された放射線量を推定する方法に関し、（ａ）患者のＸ線画像が、平面センサによって取得され、（ｂ）画素のグレーレベルが、Ｘ線画像の中心において決定され、（ｃ）カーマＫは、患者の入口において、前記グレーレベル、患者の曝露時間中にＸ線管内を通る電荷、Ｘ線ビームの軸に沿った患者の身体の厚さ、及びＸ線源と患者との距離から計算される。この放射線量を推定する方法は、投与された放射線量の誤差限界を大幅に低減できる。 【選択図】図２
Patent JP-2020113536-A (JP)
Title: X-ray tube
Inventor: JEONG JIN-WOO
IPC: H01J35/16
Filed: 2020-01-09
Abstract: To provide an X-ray tube capable of obtaining a video with a sufficient X-ray dose and high resolution.SOLUTION: An X-ray tube is provided that includes: a hollow columnar chamber having a first axis as a central axis; a cathode electrode on a lower surface of the chamber; an emitter provided at a position where the cathode electrode and the first axis intersect with each other; an anode electrode including a through hole having the first axis as a central axis and a target layer inclined with respect to the first axis; a gate electrode having an opening for exposing the emitter between the cathode electrode and the anode electrode; a focusing electrode between the gate electrode and the anode electrode; a window separated from the target layer of the anode electrode; and a window electrode that is provided on an upper surface of the chamber and fixes a side surface of the window. The window electrode is grounded.SELECTED DRAWING: Figure 1
Patent JP-2021112035-A (JP)
Title: Motor control device
Inventor: JINNO YUYA
IPC: H02P23/04
Filed: 2020-01-09
Abstract: To provide a motor control device capable of appropriately reducing vibration of a motor.SOLUTION: A motor control device includes: a calculation control unit for calculating a harmonic current command value to be superimposed on a multi-phase AC current supplied to a motor having a stator in which a plurality of electromagnetic steel sheets are laminated; a rotation speed acquisition unit for acquiring rotation speed of the motor; and a temperature acquisition unit for acquiring a temperature of the stator. When the rotation speed is less than a threshold value, the calculation control unit calculates a first harmonic current command value for reducing vibration in a radial direction of the motor to be superimposed on the multi-phase AC current. When the rotation speed is equal to or larger than the threshold value, the calculation control unit calculates a second harmonic current command value for reducing vibration in a circumferential direction of the motor to be superimposed on the multi-phase AC current. The threshold value is controlled so as to become smaller as the temperature decreases.SELECTED DRAWING: Figure 8
Patent JP-2020056801-A (JP)
Title: Measurement diagnostic apparatus and measurement diagnostic method
Inventor: MURAKAMI HIROYUKI
IPC: G01H17/00
Filed: 2020-01-10
Abstract: To measure vibration of a rotary apparatus with a simple operation, and display indexed parameter values relating to vibration of a bearing part to achieve optimal vibration monitoring and obtain optimal measurement results for management of collected data, which is directed to simple monitoring of bearing vibration of rotary machines.SOLUTION: An A/D converter 44 quantizes an acceleration signal from an acceleration pickup 14a that detects vibration of a rotary apparatus. An FFT analyzer 54 performs a fast Fourier transform on the quantized acceleration data. Digital BPF processors 85 and 87 pass level data in a frequency band of 4 kHz to 6 kHz or 8 kHz to 10 kHz independent of the rotary speed of the rotary apparatus in level data produced by the FFT analyzer. For the level data in such a frequency band that has passed through the digital BPF processors, simple average arithmetic processing units 86 and 88 calculate an average value to be taken as a measurement value for each frequency in the frequency band.SELECTED DRAWING: Figure 2
Patent JP-2021110658-A (JP)
Title: Optical sensor
Inventor: KITAHARA TAKAHIRO
IPC: G01J1/46
Filed: 2020-01-10
Abstract: To achieve both the high speed operation and SN ratio improvement of an optical sensor (especially its detection circuit).SOLUTION: A detection circuit 12, for example, comprises: a first integrator 12X to which an input signal AIN1 is inputted; a second integrator 12Y which outputs an output signal AOUT2; an integration capacitance 129 connected between an output terminal of the first integrator 12X and an input terminal of the second integrator 12Y; a discharge unit 126 connected to an input terminal of the second integrator 12Y; and a control unit 127 for monitoring the output signal AOUT2 and controlling the discharge unit 126. The first integrator 12X, for example, may be lower in speed than the second integrator 12Y. A delay unit 12Z for causing the integration start timing of the second integrator 12Y to be delayed relative to the integration start timing of the first integrator 12X, for example, may further be included.SELECTED DRAWING: Figure 8
Patent JP-2021110855-A (JP)
Title: Virtual image display device
Inventor: ISHIKAWA TOSHIKI
IPC: G02B27/01
Filed: 2020-01-13
Abstract: To provide a virtual image display device with which a virtual image display state hardly changes in a temperature rising environment.SOLUTION: A head-up display as the virtual image display device comprises: an image display panel 26, an intermediate mirror 34 and a window-side mirror 46 forming an optical path OP having mutually combined prescribed optical path lengths L1, L2; an accommodation case 11 for accommodating the image display panel 26, the intermediate mirror 34 and the window-side mirror 46; and expansion members 28, 33, 45 respectively provided between the accommodation case 11 and the image display panel 26, intermediate mirror 34 and window-side mirror 46 and mediating the holding of the image display panel 26, intermediate mirror 34 and window-side mirror 46 by the accommodation case 11, the members being formed with a material, the linear expansion coefficient of which is larger than the accommodation case 11, expanding together with the expansion of the accommodation case 11 in a temperature rising environment, and cancelling out a change of at least some of the optical path lengths L1, L2 due to the expansion of the accommodation case 11.SELECTED DRAWING: Figure 1
Patent JP-2021112852-A (JP)
Title: Heat-shrinkable gas barrier film
Inventor: KAI KOHEI
IPC: B32B27/32
Filed: 2020-01-17
Abstract: To provide a heat-shrinkable gas barrier film which can extend a freshness holding period of a food product, is excellent in shrinkage finishing property in a gas substitution packaging machine, can suppress deformation of the container, and is difficult to impair appearance of a package, in a form of overlapping and heat-shrinkable packaging a container storing a food product with the gas substitution packaging machine.SOLUTION: A heat-shrinkable gas barrier film is a heated laminated oriented film including at least a heat seal layer (A), an adhesive layer (B), a gas barrier layer (C), an adhesive layer (B) and a heat seal layer (A) in this order. The heat seal layer (A) is a layer containing an ethylene-based resin as a main component, the adhesive layer (B) is a layer containing an olefinic adhesive resin as a main component, and the gas barrier layer (C) is a layer containing a saponified ethylene-vinyl acetate copolymer as a main component.SELECTED DRAWING: None
Patent JP-2021113119-A (JP)
Title: winch
Inventor: ONO KENICHI
IPC: B66D1/58
Filed: 2020-01-21
Abstract: To provide a winch that can stably prevent damage when overloaded, and that can change the value of the overload to the winch.SOLUTION: There is provided a winch having a bobbin part around which a wire 22 is wound and a motor part that rotates, in which the bobbin part rotates by transmitting the rotational drive of the motor part. Also provided is a pressing part 5 that presses the bobbin part in a direction in which the rotational drive of the motor part is transmitted.SELECTED DRAWING: Figure 3
Patent JP-2021120811-A (JP)
Title: Health information management device, health information management system, and method for managing health information
Inventor: FUJITA MICHIO
IPC: G16H15/00
Filed: 2020-01-30
Abstract: To provide a health information management device, a health information management system, and a method for managing health information that have increased convenience of health information.SOLUTION: A health information management device 2 includes: a storage unit having, as medical information, a management table 63 for storing an unified item 631, an unified determination 633, and an item value 632 in a medical checkup result 63b for each individual examinee identification information 63a and an added information table for storing added information for each individual examinee identification information 63a; and a processing unit. The processing unit searches a part or all of the medical information 630 with arbitrary information in health information 630 and outputs the information to an examinee terminal or to a management terminal.SELECTED DRAWING: Figure 5
Patent JP-2021121995-A (JP)
Title: Modification unit and fuel cell device
Inventor: NAKAMURA MITSUHIRO
IPC: H01M8/0606
Filed: 2020-01-31
Abstract: To improve the durability of a modification unit, while reducing its thickness in a height direction.SOLUTION: A modification unit 100 has a vaporization unit 200 and a modification unit 300. The vaporization unit 200 vaporizes supplied water to generate water vapor and sends out a mixed gas obtained by mixing the water vapor with a source gas. The modification unit 300 modifies the mixed gas sent out from the vaporization unit 200 to generate a modified gas including hydrogen. The modification unit 300 has a shape provided with a hole in a center part in plan view from the vertical direction, and part of the vaporization unit 200 is located in the hole in the modification unit 300.SELECTED DRAWING: Figure 1
Patent JP-2020080415-A (JP)
Title: Light-emitting element, light-emitting device, electronic device and lighting device
Inventor: YOSHIZUMI EIKO
IPC: H01L51/50
Filed: 2020-02-05
Abstract: To provide a light-emitting element which is superior in heat resistance and has a high light emission efficiency, and a novel heterocycle compound which can be used for such a light-emitting element.SOLUTION: A light-emitting element comprises a layer including a first organic compound including one pyrimidine ring and one ring having a hole-transporting skeleton, a second organic compound which is an aromatic amine, and an illuminant substance capable of converting a triplet excitation energy to emission light between a pair of electrodes. The first organic compound including one pyrimidine ring and one ring having a hole-transporting skeleton, and the second organic compound which is an aromatic amine make a combination that forms an excitation complex.SELECTED DRAWING: None
Patent JP-2021125149-A (JP)
Title: Prediction results characteristics analysis system and prediction results characteristics analysis method
Inventor: TAKADA OSAMU
IPC: G06Q50/26
Filed: 2020-02-07
Abstract: To enable a person to interpret characteristics of classification prediction results.SOLUTION: A characteristics analysis system S for analyzing characteristics of classification prediction results of a characteristics analysis target includes a history grouping unit, a similarity specification unit, and a display unit. The history grouping unit groups past history information related to the characteristics analysis target to generate history grouping results. The similarity specification unit specifies a history information group of the history grouping results similar to attribute information of the characteristics analysis target. The display unit displays a history information group specified as being similar by the similarity specification unit and the attribute information of the characteristics analysis target in association with each other.SELECTED DRAWING: Figure 1
Patent JP-2021110917-A (JP)
Title: Photosensitive coloring composition, color filter, and image display device
Inventor: HIRANO AKIRA
IPC: G03F7/038
Filed: 2020-02-12
Abstract: To provide a photosensitive coloring composition that suppresses the generation of foreign matter and also suppresses residues during development when a cyclic solvent is used as a cleaning solvent.SOLUTION: A photosensitive coloring composition contains organic pigment (A), pigment derivative (B), acidic dispersant (C), polymerizable compound (D), photopolymerization initiator (E), and binder resin (F), the binder resin (F) having a weight average molecular weight of 15,000-50,000 and a hydroxyl value of 60-170 mgKOH/g.SELECTED DRAWING: Figure 1
Patent JP-2021129394-A (JP)
Title: Non-contact power supply device
Inventor: NAKAGAWA SHIGEYASU
IPC: H01F38/14
Filed: 2020-02-13
Abstract: To provide a non-contact power supply device capable of always supplying sufficient power to a moving body along a moving trajectory of the moving body without requiring complicated work.SOLUTION: A non-contact power supply device supplies power from power supply coils 2A to 2D provided on a stationary side to power receiving coils 1A to 1C provided, facing the power supply coils, on a moving body Ct side by electromagnetic coupling. The power supply coils 2A to 2D of a predetermined length are arranged along a moving trajectory of the moving body (Ct). With at least one of adjacent end sections 21 and 22 of the power supply coils 2A to 2D, a winding direction and the number of turns of a coil wire 24 are set in the same direction as the winding direction of a main coil section 23 of the power supply coils 2A to 2D and larger than the winding number of the main coil section 23.SELECTED DRAWING: Figure 1
Patent JP-2021131937-A (JP)
Title: Manufacturing method of lamp and lamp
Inventor: SAKAGAMI MASARU
IPC: F21S43/10
Filed: 2020-02-18
Abstract: To provide a technology which can improve a characteristic of a lamp for a vehicle, and can enhance the efficiency of an assembling process.SOLUTION: A lamp is formed by preparing a support baseboard sheet to which a plurality of support baseboards mounted with LEDs are connected, and assembling a constituent member including the support baseboard 15a after cutting and separating the support baseboard 15a mounted with the LED by cutting a connection part 13 between the support baseboards 15a, 15b. The connection part 13 is arranged in a region which is partitioned by a recess 40a of the support baseboard 15a, and a recess 40b of the support baseboard 15b. Then, the connection part 13 is cut so that a connection remaining part being a part of the connection part 13 which remains after the cutting does not protrude from the recess 40a. By the manufacturing method of the lamp, a protrusion (connection remaining part) protruding to the outside from an outer edge of the support baseboard 15a is not formed, and a degree of freedom of a layout is not thereby limited in a relationship with the other component constituting a lamp unit.SELECTED DRAWING: Figure 4
Patent JP-2020163117-A (JP)
Title: Game machine
Inventor: ICHIHARA TAKAAKI
IPC: A63F7/02
Filed: 2020-02-25
Abstract: To provide a game machine capable of maintaining game interest.SOLUTION: A Pachinko machine 1 includes start pockets capable of receiving a game ball shot into a game area 5a. When a game ball enters a start pocket, determination processing for winning is performed. Then, variation display corresponding to the determination processing result is started, and a winning game is played when a winning pattern is displayed in the variation display. In this respect, the Pachinko machine 1 can perform special display as a performance relating to operation means.SELECTED DRAWING: Figure 60
Patent JP-2021135648-A (JP)
Title: Information processing device and information processing program
Inventor: OGAWA HIROSHI
IPC: G10L15/10
Filed: 2020-02-26
Abstract: To provide an information processing device and an information processing program, which allow for preventing execution of a service different from a service that is instructed to be executed by speech.SOLUTION: A server 10 comprises an acknowledgment unit 11A configured to acknowledge an instruction for executing a service by speech, and a controller 11B configured to provide control to present execution information regardless of whether or not a setting has been made to present the execution information indicative of an execution result of the acknowledged service.SELECTED DRAWING: Figure 3
Patent JP-2021136315-A (JP)
Title: Imaging apparatus for object and component mounting device with the same
Inventor: TAKAHASHI MASAJI
IPC: H05K13/08
Filed: 2020-02-26
Abstract: To allow an imaging apparatus which images a moving object to acquire an image of the object with small variance in contrast even when the object passes through an imaging area of an imaging camera at a different speed.SOLUTION: A component mounting device 1 includes a component recognition camera 9 which picks up an image of a component E passing through an imaging area CA, and a control part 20 which controls the imaging operation of the component recognition camera 9. The control part 20 includes a speed acquisition part 26 which acquires information on a passing speed of the component E passing through the imaging area CA, and an exposure control part 24 which varies an exposure time of the component recognition camera 9 according to the passing speed. The exposure control part 24 sets a second exposure time for which the component E at a passing speed V2 is imaged to shorter than a first exposure time for which the component E at a passing speed V1 (V1<V2) is imaged.SELECTED DRAWING: Figure 6
Patent JP-2021135433-A (JP)
Title: Learning apparatus, learning method, and program
Inventor: YOKOTA YUKI
IPC: G06F16/335
Filed: 2020-02-28
Abstract: To provide a learning apparatus capable of selecting a sentence suitable for each individual even when degree of learning of an individual for each word is different.SOLUTION: A first index (A) indicating estimated difficulty level for a user is obtained on the basis of standard difficulty level common to a plurality of learners and learning level corresponding to the user for each word in a sentence. A second index (B) indicating a learning progress corresponding to a learning mode (viewpoint) selected by the user on the basis of an operation history for each learning type related to the word is obtained, in a mode (1) of "reading a sentence and enjoying content," as [an entry word search number×10]. A difficulty score of each word is estimated by the learning degree (B) of each word in the estimation difficulty degree (A) and the mode (1), and a third index indicating easiness of reading a sentence is calculated according to a calculation formula of the mode (1) [total sum of difficulty score of each word/(total number of words×100)], and a list of each sentence is sorted and displayed.SELECTED DRAWING: Figure 3
Patent JP-2021136891-A (JP)
Title: Liquid composition for microinsemination, liquid composition for activating unfertilized egg, fertilized egg and embryo, method for microinsemination using the same, and method for activating unfertilized egg, fertilized egg and embryo
Inventor: JINNO MASAO
IPC: A61K35/54
Filed: 2020-03-03
Abstract: To provide a liquid composition for microinsemination capable of accurately performing microinsemination with few problems such as cytotoxicity to improve pregnancy performance, and a liquid composition for activating unfertilized eggs, fertilized eggs and embryos; and to provide a method for microinsemination using these compositions, and a method for activating the unfertilized eggs, fertilized eggs and embryos.SOLUTION: Provided are a liquid composition for microinsemination containing 0-35 mmol/L sodium ion, 30-50 mmol/L potassium ion, 5-10 mmol/L magnesium ion, 0.5-2 mmol/L calcium ion, 15-35 mmol/L phosphate ion, 0-2 mmol/L chloride ion, 5-15 mmol/L carbonate ion and 5-10 mmol/L sulphate ion, and a liquid composition for activating unfertilized eggs containing pyruvic acid or salt thereof and lactic acid or salt thereof, fertilized eggs and embryos. Provided are a method for microinsemination using these compositions and a method for activating the unfertilized eggs, fertilized eggs and embryos.SELECTED DRAWING: Figure 1