baber/WOPTO huggingface dataset:
Patent JP-2004516328-A (JP)
Title: アピシジン誘導体、その合成方法、及び該誘導体を含む抗癌剤組成物
IPC: C07D487/04
Filed: 2001-12-21
Abstract: 【解決手段】置換基を有するアピシジン誘導体、これの合成方法及びこれを含む抗癌剤組成物。上記の置換基としては、セミカルバゾン、チオセミカルバゾン、ヒドラゾン、ｔｅｒｔ−ブチルヒドラゾン、フェニルヒドラゾン、２，４−ジニトロフェニルヒドラゾン、４−メトキシフェニルヒドラゾン、３−メトキシフェニルヒドラゾン、４−ニトロフェニルヒドラゾン、ベンジルヒドラゾン、メタンスルホニルヒドラゾン、ベンゼンスルホニルヒドラゾン、４−メチルベンゼンスルホニルヒドラゾン、ベンゾイルヒドラゾン、４−ニトロベンゾイルヒドラゾン、カルボヒドラゾン、ベンジルオキシムまたはアセトキシム等が好ましい。上記化合物は、ヒストンデアセチラーゼの阻害効果が大きく、デトランスフォーミング活性を有し、癌細胞の成長を特異的に阻害するため、抗癌剤組成物の調製に有用である。
Patent JP-2004521884-A (JP)
IPC: A01N47/14
Filed: 2002-01-12
Abstract: Fungicidal mixtures, comprising A) imidazole derivatives of the formula I in which R<1 >and R<2 >are halogen or phenyl, which may be substituted by halogen or C1-C4-alkyl, or R<1 >and R<2 >together with the bridging C=C double bond form a 3,4-difluoromethylenedioxyphenyl group; R<3 >is cyano or halogen, and R<4 >is di(C1-C4-alkyl)amino or isoxazol-4-yl, which may carry two C1-C4-alkyl radicals; and B) a dithiocarbamate (II) selected from the group consisting of manganese ethylenebis(dithiocarbamate) (zinc complex) (IIa), manganese ethylenebis(dithiocarbamate) (IIb), zinc ammoniate ethylenebis(dithiocarbamate) (IIc) and zinc ethylenebis(dithiocarbamate) (IId) a synergistically effective amount, methods for controlling harmful fungi using mixtures of the compounds I and II, compositions comprising them and the use of the compounds I and the compounds II for preparing such mixtures are described.
Patent JP-2004520170-A (JP)
Title: 高圧成形法を用いて変形可能な金属部品に機能要素を取り付けるための方法、部品組立体および金型
IPC: B21D22/04
Filed: 2001-11-29
Abstract: 高圧成形法を用いて機能要素（１０，１０１）を成形可能な金属片（１２）に接続する方法であって、金属片（１２）には、支持された機能要素（１０，１０１）から離れた面に流体圧によって負荷が加えられるとともに、成形工程において、金属片と接する機能要素（１０，１０１）の前面（１８）の反対側に面する機能要素の径方向内側に延在する面の領域で機能要素の少なくとも一部の周りに成形され、径方向内向きに延在する環状のラベットが形成される。機能要素は、この工程を通して支持される。上記の方法は、成形工程の第２の段階において、金型の成形面と機能要素の径方向内側に延在する面との間で環状のラベットが平らに押圧されることを特徴とする。本発明は、さらに、上記方法によって形成される部品組立体および上記方法を実施するために用いる金型に関する。
Patent JP-2004535321-A (JP)
IPC: B61B13/08
Filed: 2002-02-01
Abstract: A monorail system for passenger and light freight transportation provides a support structure with an essentially planar top surface and a stabilizer guide rail having a vertical web portion supporting a head portion. The head guides a vehicle along the top surface while conductors secured to the web portion transmit electrical current to the vehicle through a current collector secured to the vehicle. A portion of the stabilizer guide rail may be flexible providing a simple, inexpensive device for switching the vehicle between a plurality of tracks. The system operates equally well with a variety of vehicle propulsion and suspension systems including electromechanical, magnetic levitation or linear electric motors. In addition, the system may be operated with a semi-maglev system, wherein the vehicle is partially supported by wheels and magnetic levitation.
Patent JP-2005501807-A (JP)
IPC: C07C11/02
Filed: 2002-02-27
Abstract: A continuous or semi-continuous process for the production of triptane and/or triptene from methanol and/or dimethyl ether in the presence in a reactor of an effective concentration of catalyst active for the conversion of methanol and/or dimethyl ether to triptane and/or triptene in which process co-produced water is separated from the catalyst as a vapour phase whilst the catalyst is retained in a liquid or solid phase. Preferably, the catalyst comprises zinc halide and is maintained in said reactor in an active form and an effective concentration. Apparatus for use in the process may comprise a reactor having at least one reaction zone and at least one separation zone.
Patent JP-2004527296-A (JP)
IPC: A61B5/026
Filed: 2002-03-21
Abstract: A non-invasive device for determining the hemodynamic state of a subject. The device comprises: (a) at least two electrodes ( 20 ); (b) an electrical total body integral bioimpedance measuring unit (26) coupled to the electrodes; and (c) a data processing and analyzing unit ( 30 ) coupled to the electrical integral bioimpedance measuring unit and optionally to a display means ( 34 ) for calculating the cardiac output of the subject from the active component of the-integral bioimpedance. Also disclosed are methods for determining the hemodynamic state of a subject and for diagnosing a tendency of a subject to a cardiac disease.
Patent JP-2004521935-A (JP)
Title: 両生類の皮膚から単離した細菌由来の抗生物質
IPC: A61K35/744
Filed: 2002-01-04
Abstract: 本発明は、少なくとも部分的に皮膚呼吸をしている粘液産生生物から分離された微生物から誘導された生物学的に活性な化合物又は化合物の組合せを含む抽出物を開示する。サラマンダー及びカエルの皮膚から分離された桿菌は、抗ウィルス、抗腫瘍、抗菌及び抗真菌特性を有する化合物を産生することを見出した。これらの化合物は、カンジダ属、小胞子菌属、ブドウ球菌属、緑膿菌属、大腸菌属、及び腸球菌属を含むヒト日和見病原体、並びにＨＩＶ株及び腫瘍細胞系に対する阻害効果を有する。
Patent JP-2004525517-A (JP)
Title: 半導体処理装置内の酸化セリウムを含有するセラミック構成部品及び被膜
IPC: C23C16/44
Filed: 2002-03-21
Abstract: プラズマチャンバ等の半導体処理装置における耐食性の構成部品は、この構成部品の最も外側の表面として酸化セリウムを含有するセラミック材料を備える。この酸化セリウムを含有するセラミック材料は、その唯一最大の成分として１つ又は複数のセリウム酸化物を有する。この構成部品は、全体が酸化セリウムを含有するセラミック材料で作られてもよいし、或いは、酸化セリウムを含有するセラミックがアルミニウム若しくはアルミニウム合金、セラミック材料、ステンレス鋼又は超硬合金（refractory metal）として提供されてもよい。酸化セリウムを含有するセラミック層は、プラズマ溶射等の技術による被膜として提供されうる。１つ又は複数の中間層が、構成部品と酸化セリウムを含有するセラミック被膜との間に提供されうる。酸化セリウムを含有するセラミック被膜の付着を促進するために、構成部品表面又は中間層表面は、酸化セリウムを含有するセラミック被膜を成膜する前に表面を荒くする処理を受けてもよい。
Patent JP-2004533314-A (JP)
Title: 交差するチャンネルネットワークを有する触媒担体、この担体を含む触媒反応器及びこの担体の製造方法
IPC: B01J32/00
Filed: 2002-04-05
Abstract: 本発明はチャンネル（２）の第１のネットワークを有するモノリス状物体（１）を含む触媒担体に関する。本発明によれば、この担体は配置において少くとも１つのチャンネル（３）の追加ネットワークを含み、それにより各ネットワークのチャンネル（２，３）が互いに交差する。
Patent JP-2004519975-A (JP)
Title: 移動無線チャネルのチャネル評価方法及び移動無線受信機
IPC: H04B1/707
Filed: 2002-05-08
Abstract: 本発明は、マルチパス受信における移動無線チャネルのチャネル評価方法及び移動無線受信機に関する。それぞれのパルス応答に基づいて検出されたチャネル計数の、隣接する２つのタイムスロット（スロット１及びスロット２）への補間を行い、この補間を行う前にパルス応答の個々の成分は、この成分が１つ且つ同一の伝送経路に属しているか否かについて検査し、これに該当する成分（１′及び１′′ないし３′及び３′′）に対してのみ補間を行う。
Patent JP-2004527334-A (JP)
Title: 改良された１回使用注射器
IPC: A61M5/32
Filed: 2002-05-17
Abstract: 1回使用注射器は特別設計プランジャーと特別設計ニードルホルダーの間に“締付け”動作を使用してピストンストロークの終了と同時にニードルを注射器ボデー内に撃ち返す。このニードルは捩りばねによって付勢されておらず、かつ注射器はプランジャーがニードルホルダーに対して押し付けられるまで非付勢状態に留まり、この押付けが締付け動作を創生してニードルが注射器ボデー内へ撃ち返される。
Patent JP-2004209083-A (JP)
Title: Game machine
Inventor: ICHIHARA TAKAAKI
IPC: A63F7/02
Filed: 2003-01-07
Abstract: <P>PROBLEM TO BE SOLVED: To provide a game machine having a board mounting structure which enables the locking of the slipping off of a circuit board loaded into an insertion part of a board mounting part.  <P>SOLUTION: The board mounting part 70 is formed on a board mounting member 50 disposed at a specified position of the game machine. The insertion part 76 is so formed on the board mounting part 70 to get the circuit board 91 inserted at both side rims. An anti-slip part 81 is formed on the board mounting part 70 to lock the slipping off of the circuit board 91.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2003262596-A (JP)
Title: Method and system for specifying kind of gas
Inventor: SAIKALIS GEORGE
IPC: G01N33/22
Filed: 2003-01-08
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method and a system for specifying a kind of a gas.  <P>SOLUTION: The system comprises a first sensor which comes into contact with the gas so as to generate a first electrical output signal indicating a first state of the gas. In the same manner, also a second sensor comes into contact with the gas so as to generate a second electrical output signal indicating a second state of the gas. A processor receives the output signals from the first and second sensors as input signals, and it decides the kind of the gas by a calculation or by a reference table stored in a memory readable by the processor. The first and second states of the gas are selected from a temperature, a mass flow rate and a group of the temperature and a pressure.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2004213536-A (JP)
Title: Investment trust management system
Inventor: KOJIMA TATSUYA
IPC: G06Q40/02
Filed: 2003-01-08
Abstract: <P>PROBLEM TO BE SOLVED: To manage business results by supporting investment trusts of a customer so that regular flat-rate purchase transactions of investment trusts are not managed only by either the contract amount or the number of contract.  <P>SOLUTION: The contract amount of regular flat-rate purchase transactions of the customer managed by a contract amount management means 12 and the contract number of regular flat-rate purchase transactions of the customer managed by a contract number management means 13 are converted to point values by a pointing means 14. A calculation means 15 adds the point value of the contract amount to the point value of the contract number to calculate the total point. A management means 16 manages the investment trusts sold and bought by the customer on the basis of the calculated total point. According to this, the investment trusts sold and bought by the customer can be integrally managed.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004222170-A (JP)
Title: Folding portable electronic equipment
Inventor: YAMAMOTO KOICHI
IPC: G06K17/00
Filed: 2003-01-17
Abstract: <P>PROBLEM TO BE SOLVED: To provide folding portable electronic equipment capable of realizing an insertion structure for a plurality of IC cards with space-saving.  <P>SOLUTION: This folding portable electronic equipment wherein a first housing 1 having a display part 11 and a second housing 2 having an operating part 21 are connected through a hinge part 3 in an openable and closable way and the second housing 2 is provided with a battery chamber 25, respectively has an insertion slot 41 for an SD card (first IC card) 5 and an insertion slot 44 for an SIM card (second IC card) 7 facing the battery chamber 25 inside the second housing 2 on an external surface 2B of the second housing 2, respectively has a connector 43A for the SD card 5 and a connector for the SIM card 7 and is provided with a card chamber 4 for being inserted with the cards 5 and 7 and electrically connecting to the cards 5 and 7.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004223334-A (JP)
Title: Filter for dust collector
Inventor: SHIMATANI SHUNICHI
IPC: B01D71/36
Filed: 2003-01-20
Abstract: <P>PROBLEM TO BE SOLVED: To keep the feeling of a woven fabric used in combination with a polytetrafluoroethylene (PTFE) porous membrane in a dust collector.  <P>SOLUTION: The filter for a dust collector contains a laminate obtained by bonding the PTFE porous membrane 1 with a woven cloth 3 through an air-permeable nonwoven fabric 2 having an elongation at break of at least 200% in tension toward two directions crossing to each other. The air-permeable nonwoven fabric 2 suitably has an air permeability of at least 50 cm<SP>3</SP>/cm<SP>2</SP>/sec in terms of a value measured by the Frazier method and a basis weight of at most 80 g/m<SP>2</SP>. The PTFE porous membrane 1 and the woven fabric 3 are heat-welded spottily or partially through the air-permeable nonwoven fabric 2.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004224366-A (JP)
Title: Corrugated board cushion
Inventor: KOIKE KAZUYA
IPC: B65D5/50
Filed: 2003-01-21
Abstract: <P>PROBLEM TO BE SOLVED: To provide a corrugated board cushion, which offers superior impact absorbability against a floor fall, and is easy to assemble.  <P>SOLUTION: The corrugated cushion 10 is set on the bottom of a box 12, and comprises an almost oblong bearing wall 20, two first side walls 64 located on the short sides of the oblong, respectively, and two second side walls 66 located on the long sides of the oblong, respectively, and two first side walls 64 are sandwiched between both ends of two second side walls 66, respectively. The lower ends of two second side walls 66 extend downward beyond the bearing wall 20 to come in contact with the bottom 1202 of the box 12, and also with the side faces 1206, of the box 12. When a downward impact acts on an article placed on the bearing wall 20, the center of the bearing wall 20 warps down, which makes respective upper ends of two second side walls 66 incline to approach each other to absorb the impact.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004222985-A (JP)
Title: Medical instrument to be supported by bed
Inventor: KAJIWARA TAKASHI
IPC: A61G7/05
Filed: 2003-01-23
Abstract: <P>PROBLEM TO BE SOLVED: To provide a medical instrument to be supported by a bed, wherein a vibration accompanying the driving of the medical instrument attached to a bed frame by hooking is not transmitted to the bed.  <P>SOLUTION: Hook parts 6 are attached to the upper part of the side surface of an air pump 1 being the medical instrument so as to be drawable. The instrument includes an adjusting part to adjust the drawing-out length. Side surface leg parts 8 consisting of a vibration absorbing member are attached onto the side surface of the air pump in contact with the bed frame. The adjusting part allows the length of each hook part to nearly coincide with the width of the bed frame. Thus, the leg parts are brought into contact with the bed frame, so that the vibration is prevented from being transmitted.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004226316-A (JP)
Title: Scanning head and appearance inspection apparatus available for the same
Inventor: UEDA TAKUSHI
IPC: G01B11/02
Filed: 2003-01-24
Abstract: <P>PROBLEM TO BE SOLVED: To provide an apparatus for accurately inspecting coating condition of cream solder on a substrate.  <P>SOLUTION: A lighting unit 30 irradiates the substrate 1 with lateral light by a lateral lighting source 102 and slit light by a slit lighting source 103 which are alternately switched therebetween for every one line. Light from a plurality of LEDs (light emitting diodes) 120 of the lateral lighting source 102 is diffused by an acrylic sheet 104 and is projected onto a line 112 under inspection. A rotating tube 101 has a slit mask pattern. Light from a plurality of LEDs 120 of the slit lighting source 103 is projected onto the line 112 as a striped pattern. Reflected light from the line 112 is reflected by a half mirror 108 and enters a line sensor 34 through a lens 32. The coated area of the cream solder is judged through an appearance image of the substrate 1 by the lateral light, while the height of the coated area is measured by the striped pattern image.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004227439-A (JP)
Title: Failure diagnosing system and device for vehicle
Inventor: SUZUKI TAKUMI
IPC: G06Q50/00
Filed: 2003-01-27
Abstract: <P>PROBLEM TO BE SOLVED: To provide a failure diagnosing system for a vehicle capable of executing accurate failure diagnosis adapted to individual vehicles whose histories are different.  <P>SOLUTION: Vehicles 2, 4 to 6, a failure diagnosing device 1 and a host computer 3 are respectively provided with mutual communicating means 7, and a vehicle whose vehicle condition(vehicle kind or traveling distance or the like) is similar to that of the vehicle 2 being the target of failure diagnosis is retrieved from the other vehicles so as to be defined as a reference value vehicle, and the control data of the reference value vehicle are defined as reference value data, and transferred to the failure diagnosing device 1, and the failure diagnosis is executed by using the reference value data in this failure diagnosing system for a vehicle. In this case, the control data of the vehicle having the vehicle condition similar to that of the vehicle whose failure is generated are used as the reference value data. Thus, it is possible to execute the failure diagnosis adapted to the respective vehicles whose histories are different, and to achieve accurate judgement.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004230599-A (JP)
Title: Method for manufacturing medium to be recorded
Inventor: KONO KENICHI
IPC: B41M5/52
Filed: 2003-01-28
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method for manufacturing a medium to be recorded capable of suppressing coating defect and exhibiting good ink absorptivity.  <P>SOLUTION: In the method for manufacturing the medium to be recorded wherein an ink receiving layer is formed on at least one face of a base material, the ink receiving layer is characterized by a layer obtained by the first process for coating the base material with the first coating liquid comprising a crosslinking agent, and the second process wherein at the same time when coating at the first process is performed or before the first coating liquid is dried and solidified, the second coating liquid comprising an inorganic fine particle and a binder is applied, and is crosslinked and cured.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2003295159-A (JP)
Title: Semi-transmission type liquid crystal display
Inventor: CHEN CHING-YIH
IPC: G02F1/1343
Filed: 2003-01-29
Abstract: <P>PROBLEM TO BE SOLVED: To provide a semi-transmission type liquid crystal display.  <P>SOLUTION: The semi-transmission type liquid crystal display is comprised of a plurality of pixels; each pixel is provided with a reflection type cell and a transmission type cell; and the reflection type cell is comprised of a 1st storage capacitor and a 1st active device, and receives a 1st driving voltage and is also coupled to the 1st storage capacitor. The transmission type cell is comprised of a 2nd storage capacitor and a 2nd active device, and receives a 2nd driving voltage and is also coupled to the 2nd storage capacitor. The 1st driving voltage and the 2nd driving voltage are formed based on a reflectance gamma curve and a transmission factor gamma curve.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004231094-A (JP)
Title: Side stand device
Inventor: NAKAZAWA YOSHIHIRO
IPC: B62H1/02
Filed: 2003-01-31
Abstract: <P>PROBLEM TO BE SOLVED: To certainly maintain the function and performance of a rotary switch by reducing the vibration transmitted from a vehicle body frame to the rotary switch, and preventing failure of the rotary switch.  <P>SOLUTION: This side stand device 19 comprises a side stand bracket (bracket) 22 mounted on the body frame; a side stand 24 rotatably mounted on the bracket 22 through a pivot bolt (pivot axis) 23; a rotary switch 26 provided on the same axis with the pivot bolt 23 through a fixed bolt (bolt) 25. Seats 34, 35 and a tube 33 which consist of rubber members (damping members) are arranged between the rotary switch 26, and the pivot bolt 23 and the fixed bolt 25. A buffer member 37 which consists of rubber members is arranged between an engaging member (engaging part) 32e of an inner rotor 32 and a locking hole part (locking part) 28f of the side stand 24 in the rotary switch 26.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004232151-A (JP)
Title: Coagulant and paper
Inventor: KOSUGE MASANORI
IPC: D21C9/08
Filed: 2003-01-31
Abstract: <P>PROBLEM TO BE SOLVED: To provide a coagulant excellent in pitch-suppressing effect which has not been obtained hitherto and a paper.  <P>SOLUTION: The coagulant is obtained by reacting alkylene diamines (a) represented by general formula (1) [wherein R<SP>1</SP>, R<SP>2</SP>, R<SP>3</SP>and R<SP>4</SP>are each same or different 1-6C alkyl group or a hydrogen group and R<SP>5</SP>is a 1-6C alkylene group] with monoamines (b) represented by general formula (2) [wherein R<SP>6</SP>and R<SP>7</SP>are each same or different 1-8C alkyl group, 1-8C alkenylene, 1-8C hydroxyalkyl group, phenyl group, benzyl group or a hydrogen atom] and epihalohydrin (c).  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2003334183-A (JP)
Title: Abnormal shadow-detecting device
Inventor: TAKEO HIDEYA
IPC: G06T7/00
Filed: 2003-02-03
Abstract: <P>PROBLEM TO BE SOLVED: To efficiently detect a candidate region of a laterally asymmetrical shadow which has been hard to detect by a conventional detecting method.  <P>SOLUTION: A mammary gland distribution map-preparing means 20 prepares a mammary gland distribution map of right and left mammas which are divided into a plurality of regions depending on densities, based on side surface image data SA and SB of the right and left mammas which are input from an image- reading device or the like. A comparison-extracting means 30 compares the regions of the prepared mammary gland distribution map of the right and left mammas between the right and the left, and extracts a laterally asymmetrical region. A laterally asymmetrical shadow-detecting means 40 detects the candidate region of the laterally asymmetrical shadow from among extracted laterally asymmetrical regions, based on the information of the laterally asymmetrical regions.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004240501-A (JP)
Title: Display device
Inventor: KITAGUCHI TAKASHI
IPC: G06F3/041
Filed: 2003-02-03
Abstract: <P>PROBLEM TO BE SOLVED: To provide a display device capable of detecting position instruction to a display face without using a special instructed object or special display face.  <P>SOLUTION: The display device is provided with a transmissive screen, a projecting means for projecting the projected lights of a video to the back face of the transmissive screen, a shielding means for shielding the projected lights from the projecting means in a predetermined timing and a photographing means for photographing the back face of the transmissive screen. Then, an image photographed by the photographing means is acquired in the timing in which the projected lights are shield by the shielding means.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004236733-A (JP)
Title: Self-propelled type vacuum cleaner
Inventor: SENOO TOSHIHIRO
IPC: A47L9/00
Filed: 2003-02-04
Abstract: <P>PROBLEM TO BE SOLVED: To provide a self-propelled type vacuum cleaner which is capable of cleaning a floor surface without the operation thereof by a cleaning person and which is capable of sucking up trash, dust, and the like, on a narrow, and complicated floor surface too, and can diminish the possibility of damaging an obstacle even if it should come into contact or collide with the obstacle.  <P>SOLUTION: This self-propelled type vacuum cleaner A has a master unit 1 and a slave unit 2, a suction hose 3 connecting the master unit 1 and the slave unit 2, a cleaning device 4 for conducting cleaning by the master unit 1 and (or) the slave unit 2, moving devices 11 and 21 provided respectively for the master unit 1 and the slave unit 2, distance sensors 13 and 23 provided in a plurality respectively for the master unit 1 and the slave unit 2, and control devices 12 and 22 controlling the actions of the master unit 1 and the slave unit 2.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004238248-A (JP)
Title: Water soluble calcium agent containing organic acid and calcium carbonate
Inventor: YAMADA YASUSHI
IPC: C05D3/02
Filed: 2003-02-06
Abstract: <P>PROBLEM TO BE SOLVED: To provide an agent in which calcium carbonate is made soluble in water in place of the conventional calcium supplement having problems about compatibility, injury, toxicity or the like, a method of manufacturing the same and a utilization method of the same.  <P>SOLUTION: The water soluble calcium carbonate supplement dissolving in water for a short period of time is obtained by mixing calcium carbonate which is insoluble alone in water with an organic acid having excellent compatibility and safety. The aqueous solution of the calcium supplement is used for foliar spray to decrease or prevent calcium deficiency disease. As the organic acid, even the organic acid forming hardly soluble calcium salt can be used and, for example, citric acid, maleic acid or the mixture is used.  <P>COPYRIGHT: (C)2004,JPO&NCIPI