baber/WOPTO huggingface dataset:
Patent JP-2004187075-A (JP)
Title: Communication apparatus, method, and program for moving image, and program recording medium
Inventor: EMA NOBUYUKI
IPC: H04N19/423
Filed: 2002-12-04
Abstract: <P>PROBLEM TO BE SOLVED: To prevent the quality of a recorded moving image from deteriorating even though there is an error in intra-frame data received on the basis of an intra-refresh request signal when starting the video recording.  <P>SOLUTION: A separating and multiplexing part 11 separates and multiplexes the frame data received by a radio part 12 being a communicating means. When the frame data are recorded in a video recording file 14, an error rate detecting/comparing part 18 compares the total error rates detected by a radio error detecting part 17c, a separation and multiplexing error detecting part 17b, and a moving image decode error detecting part 17a in processing intra-frame data received from the opposite communication terminal in accordance with the intra-refresh request signal transmitted from an inter-terminal control signal processing part 7 under the control of a video recording control part 6 with an error rate detected by a reproduction information error detecting part 16 about reproduction frame data which are decoded by a moving image decoder part 9 and are reproduced from an output frame memory 5, the switch of a video recording operating part 13 is changed over to a frame data side having a lower error rate to record the frame data in the video recording file 14.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004184756-A (JP)
Title: Fixing device
Inventor: WAKAHARA SHINICHIRO
IPC: H05B3/00
Filed: 2002-12-04
Abstract: <P>PROBLEM TO BE SOLVED: To provide a fixing device that satisfies both reinforcement of a fixing roller and a reduction in start-up time.  <P>SOLUTION: The fixing device has a reinforcement member in the fixing roller, thereby restricting deformation of a nip. The reinforcement member is provided with a heat reflecting part, thereby shortening the start-up time.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004186069-A (JP)
Title: Light emitting element, light emitting device, and electronic equipment
Inventor: FUKASE AKIO
IPC: H05B33/02
Filed: 2002-12-05
Abstract: <P>PROBLEM TO BE SOLVED: To provide a light emitting element, a light emitting device, and an electronic equipment wherein it is prevented that a light emitting layer itself is deteriorated and damaged by a light which the light emitting layer composed of an organic substance constituting the light emitting element, itself emits.  <P>SOLUTION: This light emitting element is characterized by being provided with a reflective electrode layer 5, a translucent electrode layer 2, a light-emitting layer 3 arranged between the reflective electrode layer 5 and the translucent electrode layer 2 and to emit the light by a carrier supplied via the reflective electrode layer 5 and the translucent electrode layer 2, and a light absorbing layer 4 arranged between the reflective electrode layer 5 and the light-emitting layer 3, and to absorb the light emitted by the light-emitting layer 3.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004043277-A (JP)
Title: Hardening obstructing method and hardening obstructing agent for cement
Inventor: HARUNA ATSUSHI
IPC: C04B24/06
Filed: 2002-10-21
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method for obstructing hardening of concrete etc., which become unnecessary on a construction site etc., using concrete and a hardening obstructing agent used in this method.  <P>SOLUTION: The method comprises feeding a prescribed amount of citric acid for obstructing the hardening of the cement which contains moisture therein, and further feeding swellable layered clay ores thereto as the case may be, thereby obstructing the hardening while permitting the coagulation of the cement.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004180636-A (JP)
Title: Level controlling apparatus of combine
Inventor: YAMAZAKI HIROAKI
IPC: A01D67/00
Filed: 2002-12-06
Abstract: <P>PROBLEM TO BE SOLVED: To provide a level controlling apparatus for a combine enabling the level control by manual operation even in the case of the failure of a potentiometer to detect the operation length of a lift cylinder of a level controlling apparatus.  <P>SOLUTION: The combine is provided with right and left traveling apparatuses 9, 9 independently liftable relative to the mobile body 1 with right and left lift cylinders 28, 28, right and left detection means 61, 62 to detect the operation lengths of the right and left lift cylinders 28, 28 and a manual inclination controlling means to keep the mobile body 1 to an arbitrary inclined posture based on the right and left detection means 61, 62 actuated by the right and left inclination command of the manual operation means 63, 64. In the case of the failure of the detection means 61, 62, the manual inclination control is carried out by operating the lift cylinder 28, 28 of the failed side for a prescribed period (t) by the right and left inclination command of the manual operation means 63, 64.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004189787-A (JP)
Title: Stain remover
Inventor: SATO TERUKAZU
IPC: D06L4/40
Filed: 2002-12-09
Abstract: <P>PROBLEM TO BE SOLVED: To provide a stain remover surely removing stains in the same manner as that of a new product irrespective of the kind of fibers or color patterns simply by dipping the stains and allowing the stains to stand even in the case of the stains after the passage of ≥10 years.  <P>SOLUTION: The characteristic is to compose 20-75wt.% of a fat proteolytic enzyme, 1-10wt.% of a neutral surfactant and the balance composed of sodium percarbonate. The fat proteolytic enzyme has excellent stain removing effects on new stains and further the sodium percarbonate has excellent stain removing effects on old stains, Furthermore, the treating time can be shortened by enhancing the permeability of the neutral surfactant into fibers.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004190515-A (JP)
Title: Fuel supply system
Inventor: WATANABE KENJI
IPC: F02M31/125
Filed: 2002-12-09
Abstract: <P>PROBLEM TO BE SOLVED: To provide a fuel supply system capable of reducing a harmful substance discharged from an engine by simplifying controllability of air flow rate.  <P>SOLUTION: A shut-off valve 32 is provided at the downstream of an electronically controlled throttle valve 10 of a suction tube. The air passing the electronically controlled throttle valve 10 is flowed from a main passage of the suction tube into an auxiliary passage 40, as needed, using the shut-off valve 32 to supply vaporized fuel with a fuel vaporizer 23 for the air flowed into the auxiliary passage 40. Air quantity made to flow into the auxiliary passage 40 is controlled with the electronically controlled throttle valve 10 in the state where the shut-off valve 32 is closed.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004191498-A (JP)
Title: System and method for alignment
Inventor: OYAGI AKIRA
IPC: G02B7/02
Filed: 2002-12-09
Abstract: <P>PROBLEM TO BE SOLVED: To shorten an alignment time by securely finding an alignment position where a light emitting element and a light receiving element have maximum light intensity while decreasing a frequency of plane alignment, and then to reduce manufacturing cost.  <P>SOLUTION: Provide are a direction determining means (PGM1) of performing plane alignment of the light receiving element (1) with respect to light emitting elements (1) positioned at an initial coordinate origin (D0) and points (D1 to D4) around it, measuring a light intensity distribution of the positions of the light emitting elements (1), and determining a light intensity increasing direction according to the light intensity distribution, a light emitting element positioning means (PGM2) of moving the light emitting elements (1) in the direction by unit length to positions where the light intensity decreases and positioning the light emitting elements (1) at positions where maximum light intensity is obtained right before the light intensity decreases, and a light receiving element positioning means (PGM3) of positioning the light receiving element (2) for the light emitting elements (1) by plane alignment.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004190576-A (JP)
Title: Axial fan
Inventor: MIMURA MASAHIRO
IPC: H02K5/20
Filed: 2002-12-11
Abstract: <P>PROBLEM TO BE SOLVED: To prevent air bubbles from remaining in the interior when sealing the rear side of a circuit board mounted in a closed-end cup-like cylindrical body by potting material and to eliminate an obstacle to expected effectiveness such as heat dissipation, moisture proof, drip proof or the like.  <P>SOLUTION: In the axial fan, the drive circuit is packed with and buried in the potting material in order to prevent the drive circuit from exposure to the open air. The drive circuit is fitted in and held by an inner peripheral surface of the cup-like cylindrical body integrally formed with a venturi case through a retaining member having elasticity. A hole is formed in the bottom of the cylindrical body. The hole serves as an inlet through which the potting material is filled in the space surrounded by the bottom of the cup-like cylindrical body and the circuit board fitted in and held by the elastic member. Preferably, the retaining member having elasticity has an inner periphery with a shape fitting to the outer peripheral edge of the circuit board, so as to be fitted on the circuit board. Alternatively, the retaining member is integrally formed with the circuit board so as to be made in press-contact with and held by the inner peripheral surface of the cylindrical body.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004191199-A (JP)
Title: Axial adjustment device of transceiver for moving object
Inventor: KIKUCHI HAYATO
IPC: G01S13/931
Filed: 2002-12-11
Abstract: <P>PROBLEM TO BE SOLVED: To conduct auto-aiming while restraining to the minimum a useless area where a radar system detects no object.  <P>SOLUTION: The radar system Sr attached to a vehicle V is provided with a scanning range having 10° of angles respectively in both left and right sides, and a detecting range having 8° angles respectively in both the left and right sides, and the auto-aiming for adjusting laterally the detecting range within the scanning range is executed to overlap an object detecting axis Ar in the center of the detecting range onto a reference reflection body R arranged on the vehicular body center line L. A regulatable level by the auto-aiming is 2° respectively in both the left and right sides, and the adjustment by the auto-aiming is not able when either of the object detecting axis Ar and the reference reflection body R exceeds 2°. Manual aiming is executed therein to adjust laterally an attaching angle of the radar system Sr with respect to the vehicle body by an manual operation, so as to adjust the object detecting axis Ar to be overlapped on the vehicular body center line L. The scanning range is restrained to the minimum to reduce the useless area where the radar system detects no object.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004189296-A (JP)
Title: Tray and tray conveying equipment
Inventor: NOZOE GIICHI
IPC: H01L21/68
Filed: 2002-12-12
Abstract: <P>PROBLEM TO BE SOLVED: To provide a tray and tray conveying equipment, which are suitable for conveyance of an object to be conveyed, causing deformation and a malfunction due to vibrations and an impact.  <P>SOLUTION: The tray 3 makes an object 2 to be conveyed ascend on an inclined conveying passage in the state of being placed on the tray. Characteristically, the tray 3 includes a bottom plate 4, buffer blocks 5 which are arranged at four corners of the bottom plate 4, and a supporting plate 6 which is fixed onto the buffer block 5 so as to support the object 2 by positioning the object 2.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004188048-A (JP)
Title: Eating utensil
Inventor: AEBA TOSHIYUKI
IPC: C08L101/16
Filed: 2002-12-13
Abstract: <P>PROBLEM TO BE SOLVED: To provide a low price, strong, safe and harmless eating utensil capable of being biodegraded and not producing harmful substances even if it is discarded and left in the soil without incineration.  <P>SOLUTION: The eating utensil is formed by heating and pressure-molding a mixed material comprising 30-70 wt% of non-wood fiber powder made by crushing pulp of poaceous plants such as bamboo and reed and 30-70 wt% of biodegradable thermoplastic resin, or a mixed material comprising 30-70 wt% of non-wood fiber powder, 30-70 wt% of biodegradable thermoplastic resin, a small amount of one or more of a compatibilizing agent, an inorganic filler, an organic pigment and a flame retardant.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004196908-A (JP)
Title: Heat-sealing material for easily openable container and easily openable container using the same
Inventor: IKEDA MUTSUKO
IPC: C08L25/06
Filed: 2002-12-17
Abstract: <P>PROBLEM TO BE SOLVED: To provide a heat-sealing material for an easily openable container which has sufficient sealing strength even by heat sealing at low temperatures and, simultaneously, can form a heat-sealed portion easy to open on opening, and an easily openable container.  <P>SOLUTION: The heat-sealing material for the easily openable container comprises a modified propylene polymer obtained by subjecting 30-95 wt.% crystalline propylene polymer which satisfies condition (1) of a melting point [T<SB>m</SB>(°C)], measured by a differential scanning calorimeter, of 110-160°C and condition (2) of a spherulite radius [d (μm)] having the relationship of formula (Ia): 11.9×T<SB>m</SB>-1,090<d<1.9×T<SB>m</SB>-810 with the melting point [T<SB>m</SB>(°C)] and 70-5 wt.% vinyl monomer to graft reaction conditions. The easily openable container has a heat-sealed structure in which the heat-sealing material for the easily openable container and the surface of a propylene resin are heat-sealed.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004194854-A (JP)
Title: Polishing method and polishing device for pachinko ball
Inventor: IMAI TSUTOMU
IPC: A63F7/02
Filed: 2002-12-18
Abstract: <P>PROBLEM TO BE SOLVED: To provide a polishing method for pachinko balls capable of removing stains stuck to the surface of the pachinko ball in a short time.  <P>SOLUTION: In the polishing method for the pachinko balls, beads for blasting whose diameter is smaller than the one of the pachinko ball are jetted to the pachinko balls moving on a lattice board (43) arranged inside a pachinko island (11).  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2003219026-A (JP)
Title: Path selection apparatus, and path selection method
Inventor: NAITO AKIHIKO
IPC: H04M3/00
Filed: 2002-12-19
Abstract: <P>PROBLEM TO BE SOLVED: To provide a path selection apparatus capable of solving a problem of a conventional method that a terminal connected to a caller speech apparatus conventionally selects paths connected to a called speech apparatus only once resulting in having required paths for all cases to be set to the terminal of the caller speech apparatus in the case of connecting the caller speech apparatus and the called speech apparatus via a plurality of circuits.  <P>SOLUTION: The path selection apparatus 1 of this invention is provided with a path selection section 4 that selects an access point placed closest to an area where the called speech apparatus is installed on the basis of area identification information when the apparatus 1 cannot acquire an IP address corresponding to telephone number information and outputs path information used to connect the caller speech apparatus up to the selected access point via an IP network and to connect the selected access point to the called speech apparatus via a public line network.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2004198068-A (JP)
Title: Integral air-conditioner
Inventor: HORI TETSUYA
IPC: F24F1/18
Filed: 2002-12-20
Abstract: <P>PROBLEM TO BE SOLVED: To provide an integral air-conditioner capable of enhancing the heat exchange efficiency by allowing water scraped by a slinger ring to be uniformly scattered on an outdoor heat exchanger on the outdoor side.  <P>SOLUTION: In the integral air-conditioner in which a slinger ring 9 for splash is added to a propeller fan 8a facing an outdoor heat exchanger 5, and a water-receiving unit 10 to store condensed water led from an indoor side is provided on a bottom plate 3 corresponding to the slinger ring 9, a slit 5c to divide each fin 5a in upper and lower portions is formed in a large number of fins 5a arranged at equal intervals to constitute the outdoor side heat exchanger 5, and a sheet-like member 11 with water absorption property is provided in each slit 5c.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004198995-A (JP)
Title: Photosensitive resin composition to be used for organic substance layer having rugged surface pattern of substrate for liquid crystal display, and photosensitive element
Inventor: NOJIRI TAKESHI
IPC: G02F1/1368
Filed: 2002-12-20
Abstract: <P>PROBLEM TO BE SOLVED: To provide a photosensitive resin composition for forming an organic substance layer having a rugged surface pattern with excellent shape characteristics by an easy and inexpensive method on a substrate for a liquid crystal display, and to provide a photosensitive element.  <P>SOLUTION: The photosensitive resin composition is subjected to processes of: (I) forming a photosensitive resin composition layer on a substrate; (II) image-wisely irradiating the photosensitive resin composition layer with active rays; and (III) heating, so as to form a rugged surface pattern in accordance with the image. The resin composition has 1×10<SP>2</SP>to 1×10<SP>7</SP>Pa sec viscosity at 80°C.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004204945-A (JP)
Title: Vehicle transmission with transmission range varied depending on manual transmission operating speed
Inventor: SHIIBA KAZUYUKI
IPC: F16H9/00
Filed: 2002-12-25
Abstract: <P>PROBLEM TO BE SOLVED: To change a transmission range generated in a single shift lever operation for up-shifting or down-shifting based on a difference in operation speed of a shift lever in manual transmission of a continuously variable transmission.  <P>SOLUTION: In the shift lever operation for up-shifting or down-shifting, when the operation speed of the shift lever is not less than a prescribed value, the transmission range is made smaller compared with the occasion the operation speed is below the prescribed value, which enables a sensitive driving with a sport feeling while shifting a change gear ratio.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004207592-A (JP)
Title: Method of producing multilayer ceramics substrate
Inventor: HARADA HIDEYUKI
IPC: B28B11/12
Filed: 2002-12-26
Abstract: <P>PROBLEM TO BE SOLVED: To solve the problem wherein a burr is made because of formation of a through hole when a conductor arranged inside of a raw multilayer collective circuit is exposed by forming the through hole on a dividing line, while applying a so-called non-shrink process and taking many pieces and manufacturing a multilayer ceramics substrate by applying a method with the conductor as an external electrode, as for a method of producing the multilayer ceramics substrate which divides the multilayer collective substrate.  <P>SOLUTION: In the case of boring the through hole 39 in a laminating direction from the side of the first shrink suppressing layer 36 of a raw composite laminated body 38, the thickness of a second shrink suppressing layer 37 to be as thin as ≤300 μm in such manner that a droop 42 is not generated much at a ceramic green layer 23 in contact with this second shrinkage suppressing layer 37. Thus, the burr 45 is not generated much.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004202082-A (JP)
Title: Game machine and game medium put-out method
Inventor: FUJIMOTO ATSUSHI
IPC: A63F5/04
Filed: 2002-12-26
Abstract: <P>PROBLEM TO BE SOLVED: To provide a game machine and a game medium put-out method which ensures the game media to be put out even under the unstable situation of the power source supply without troubles in putting out the game media as caused by the sudden interruption of the power source or the like.  <P>SOLUTION: A game machine (1) is provided with a hopper (102) for putting out the game media, a main control circuit (71) having a put-out number decision means or the like for deciding the number of game balls to be put out, a work RAM (56) comprising a volatile memory for storing the result of the determination by a put-out number decision means, a hopper control circuit (51) for controlling the hopper (102) based on the result of the determination stored in the work RAM (56) and an EEPROM (58) comprising a non-volatile memory for storing the result of the determination by the put-out number decision means. The hopper control circuit (51) stores the result of the determination into the EEPROM (58) upon the establishment of the specified conditions to control the hopper (102) based on the result of the determination stored.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004210830-A (JP)
Title: Elastomer composition and method for producing the same
Inventor: TAJI KAZUYUKI
IPC: C08J3/16
Filed: 2002-12-27
Abstract: <P>PROBLEM TO BE SOLVED: To provide an elastomer composition having a good processability, and improved with high heat generating property and breaking characteristics.  <P>SOLUTION: This elastomer composition contains (A) 100 pts. wt. elastomer and (B) 0.1-150 pt. wt. carbon nanotube.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004203364-A (JP)
Title: Hole-opened gear type load reduced bicycle
Inventor: YAGYU TORU
IPC: B62M1/24
Filed: 2002-12-25
Abstract: <P>PROBLEM TO BE SOLVED: To provide a bicycle capable of reducing loads charged to legs stepping on pedals by extending a crank to transmit a force to a rear wheel as a forward driving force making the principal of a lever largely act on the rear wheel.  <P>SOLUTION: Right and left cranks 6 and 6a having the pedals 7 and extending long are disposed in a crankshaft 2, and a wedge-like craw 5 is disposed in an intermediate part between the extending right and left cranks 6 and 6a. A crankshaft 2 is provided with a crank gear sprocket 3 having a plurality of hole-opened gears T on the right side, and a crank gear 4 having the plurality of hole-opened gears T on the left side is mounted to the crankshaft 2. The right and left cranks 6 and 6a having bearings 8 are mounted to the crankshaft 2. A wire 10 disposed in a groove Q of a roller 11 is mounted to the right and left cranks 6 and 6a.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004513071-A (JP)
Title: 肺の弾性繊維損傷に関連した呼吸器疾患の治療方法
IPC: A61P31/10
Filed: 2001-05-23
Abstract: 本件の発明は、一般に呼吸治療学の分野に関連し、特に、肺基質の弾性繊維の損害を原因とする肺基質疾患の治療に関係する。より明確には、肺疾患の治療および （または） 予防に使用される、多糖類、その誘導剤および （または） 薬物共役を肺に運搬するための方法および物質が発表されている。
Patent JP-2003535757-A (JP)
Title: ステアリングホィール上の手の位置を検出する方法
IPC: B60K28/02
Filed: 2001-06-01
Abstract: (57)【要約】
複数のセンサ（７）と（９）を有する，車両用のステアリングホィール（１）が提案される。センサ（７）と（９）は，複数のセグメント（１３）と（１５）に分割されており，それによってステアリングホィール（１）上の手の位置の，局所的に高く解像される検出を可能にする。センサ（７）と（９）から出力された信号を評価するための本発明に基づく方法を使用して，手の位置が検出され，さらに，握り代えなしでステアリングホィール（１）における最大可能な操舵角度が求められる。この情報に基づいて，制御装置によって制御介入とコントロール信号を導き出すことができる。
Patent JP-2004509847-A (JP)
Title: ヒト骨髄由来内皮前駆細胞の同定、及び虚血性傷害後の心筋細胞の機能を改善するためのヒト骨髄由来内皮前駆細胞の使用
IPC: A61K39/00
Filed: 2001-06-05
Abstract: 【課題】 【解決手段】本発明は、患者の心筋梗塞によって損傷を受けた組織における血管形成を刺激する方法であって、（ａ）前記患者のある部位から幹細胞を採取することと、（ｂ）前記幹細胞から内皮前駆細胞を回収することと、（ｃ）前記前駆細胞が前記組織に遊走し、前記組織の新血管新生を刺激するように、工程（ｂ）で得た前記内皮前駆細胞を前記患者の別の部位に導入することとを備えた方法を提供する。前記幹細胞は、直接又は動員によって採取し得る。前記内皮前駆細胞は、前記患者の中に導入する前に増殖させてもよい。本発明は、さらに、梗塞周囲組織に血管新生を誘導する方法を提供する。本発明は、さらに、虚血性傷害によって損傷を受けた組織の部位へのヒト骨髄由来内皮細胞前駆体の輸送を選択的に増加させる方法であって、（ａ）内皮前駆細胞を患者に投与することと、（ｂ）前記患者にケモカインを投与することによって、前記虚血組織に内皮細胞前駆体を誘引することとを備えた方法を提供する。本発明は、患者の心筋梗塞による損傷を受けた組織の血管形成又は血管新生を刺激する方法であって、患者に同種異系の幹細胞を注入することを備えた方法を提供する。本発明は、さらに、心筋梗塞を患った患者における心筋の機能を改善する方法であって、前述の方法のうちの何れかを備えた方法を提供する。本発明は、さらに、心筋梗塞を患った患者における心筋の機能を改善する方法であって、Ｇ−ＣＳＦ又は抗ＣＸＣＲ４抗体を前記患者に注入して内皮前駆細胞を動員することを備えた方法を提供する。
Patent JP-2004503664-A (JP)
Title: 洗浄剤調製物
IPC: C11D3/37
Filed: 2001-06-11
Abstract: 本発明は制御されたラジカル重合により製造可能な、水溶性もしくは水分散性のブロックコポリマーを含有する洗浄剤調製物、このような洗浄剤調製物の製造方法ならびに洗浄剤調製物を製造するための、制御されたラジカル重合により製造可能な水溶性もしくは水分散性のプロックコポリマーの使用に関する。