baber/WOPTO huggingface dataset:
Patent JP-2002356502-A (JP)
Title: Method for determining polymerization rate and method for monitoring polymer production process
Inventor: TOYOOKA KOJI
IPC: C08G85/00
Filed: 2001-05-31
Abstract: PROBLEM TO BE SOLVED: To provide a method for determining a polymerization rate and a method for monitoring polymer production process in which the rate in the production steps is calculated and the results are displayed on a monitor. SOLUTION: The results detected on various sensors in the vicinity of a stirrer 1 are inputted to an arithmetic processing part 10, the amounts of a jacket heat transfer discharged from a jacket, a sensible heat used for raising the temperature of a content, a latent heat of vaporization used for vaporizing the content and other heat loss are calculated and the determined calorific power is utilized to calculate the polymerization rate. The polymerization rates determined by correlation of a viscosity and the polymerization rate are compared and the complemental processings are performed to calculate the polymerization rate. The calculated rate is displayed on a monitor 22 with a polymerization pattern to be referred.
Patent JP-2002355469-A (JP)
Title: Sewing machine
Inventor: FUKUBA TAKAFUMI
IPC: D05B55/14
Filed: 2001-05-31
Abstract: PROBLEM TO BE SOLVED: To provide a sewing machine preventing the step-out of a stepping motor. SOLUTION: The sewing machine 10 is provided with a rotating hook driving shaft 13 freely turnably supported by a frame 11 and connected to a sewing machine motor 12, a main shaft 15 axially rotated by driving force transmitted from the rotating hook driving shaft 13, a needlebar driving means driven by the main shaft 15 and vertically moving a needle bar 18, a clutch 20 arranged between the main shaft 15 and the needlebar driving means and the stepping motor 35 letting in and releasing the clutch 20. Also, the sewing machine 10 is provided with a detection means 40 detecting the phase angle of the stepping motor 35, a reporting means 42 reporting the state of the stepping motor 35 on the basis of the detection of the detection means 40 and a control means 43 controlling the stepping motor 35 on the basis of the detection of the detection means 42.
Patent JP-2002364426-A (JP)
Title: Air-fuel ratio controller for engine
Inventor: OKUMA SHIGEO
IPC: F02D45/00
Filed: 2001-06-06
Abstract: PROBLEM TO BE SOLVED: To simplify a control system for an air-fuel ratio based on a stored oxygen amount by estimating the stored oxygen amount of a catalyst by use of an oxygen sensor. SOLUTION: When an output value Es of the oxygen sensor in the upstream of the catalyst is within a prescribed range including a theoretical air-fuel ratio corresponding value (S401), the oxygen amount is estimated on the basis of an air-fuel ratio found by converting the output value Es (S402). When the output value Es is out of the prescribed range, and when a rich/lean state detected by the oxygen sensor in the downstream of the catalyst is maintained, the oxygen amount is estimated according to a target air-fuel ratio (S404). When the output value Es is out of the prescribed range, and when reversion of the rich/lean state is detected by the oxygen sensor on the downstream side of the catalyst, the oxygen amount is rest to a maximum amount in the case of the reversion to the lean state (S407), and is reset to a minimum amount in the case of the reversion to the rich state (S408).
Patent JP-2002367816-A (JP)
Title: Chip component holder
Inventor: WAKATAKE HIROSHI
IPC: H01R33/06
Filed: 2001-06-07
Abstract: PROBLEM TO BE SOLVED: To obtain parts (chip component holder) the circuit constant of which can be set with high accuracy and which can reduce the labor and time required at the time of exchanging a chip component for another. SOLUTION: The main body 3 of the chip component holder 1 is provided with external terminals T1 and T2 used at the time of connecting the holder 1 to an external circuit and recessed sections 4, 4, etc., into which chip resistors (chip components) 2 can be inserted. The main body 3 can attachably/detachably hold the chip resistors 2, because the main body 3 is provided with electrodes E and E which hold the chip resistors 2 inserted into the recessed sections 4. The electrodes E and E are electrically connected to the external terminals T1 and T2, respectively.  Since the main body 3 is also provided with switches SW1, SW1, etc., which switch the connection between the electrodes E and E of each recessed section 4 with the electrodes E and E of other recessed sections, the inserted chip resistors 2 can be connected in series and the external terminals T1 and T2 can be connected to both ends of the serially connected chip resistors 2, or the chip resistors 2 can be connected in parallel between the terminals T1 and T2.
Patent JP-2002363576-A (JP)
Title: Method for two step hydrogenating heavy hydrocarbon oil
Inventor: ABE SATOSHI
IPC: B01J35/00
Filed: 2001-06-08
Abstract: PROBLEM TO BE SOLVED: To provide a method for hydrogenating which hydrogenates highly a heavy hydrocarbon oil containing a large amount of impurities such as sulfur, a carbon residue, a metal, nitrogen and asphaltene, especially a heavy oil containing a large amount of a heavy vacuum residual oil in order to eliminate the impurities and is excellent in reducing or suppressing the amount of an arising sediment. SOLUTION: The method for hydrogenating a heavy hydrocarbon oil comprises a first hydrogenation step and a second hydrogenation step, wherein the first hydrogenation step is carried out by a process wherein the heavy hydrocarbon oil is contacted with a catalyst (1) having a defined specific surface area and a defined pore size distribution in the presence of hydrogen in a first reactor filled with the catalyst; and the second hydrogenation step is then carried out by a process wherein the hydrogenated oil thus obtained is contacted with a catalyst (2a) or (2b) having a defined specific surface area and a defined pore size distribution in the presence of hydrogen in a second reactor filled with the catalyst (2a) or (2b).
Patent JP-2002308728-A (JP)
Title: Percutaneous absorbent using polymer nanoparticle and external preparation containing the same
Inventor: KWON SUN SANG
IPC: A61Q1/12
Filed: 2001-06-08
Abstract: PROBLEM TO BE SOLVED: To obtain a percutaneous absorbent comprising a physiologically active substance stable in a dosage form, having high percutaneous absorptivity, a slight skin irritation, an excellent sense of use, applicable to various active components. SOLUTION: This percutaneous absorbent comprises a physiologically active component using a polymer (nonaparticle) having 1 nm to 500 nm particle diameter. Preferably the particle diameter of the polymer is 30 nm to 150 nm.
Patent JP-2002332073-A (JP)
Title: Fine punch sheet
Inventor: FUJIMURA HIDEYUKI
IPC: B26F1/18
Filed: 2001-05-08
Abstract: PROBLEM TO BE SOLVED: To provide a fine punch sheet of such a form that can control breathability and penetration of raindrops. SOLUTION: A fine punch sheet and a method of punching are provided comprising punches of 'a cut punched form' without absence of a sheet material at the punch, only by making a cut on the sheet material instead of making a holes by a punch, a drill or the like. Thus, the fine punch sheet serving as a restraint valve which can make air permeability from a rear to a front of the sheet smaller than that from the front to the rear in an air flow with the sheet as a border is obtained. In addition, when the sheet is used to cover agricultural soil or the like, it serves to appropriately restrain rain from penetrating without losing an exchanging function between air in the soil and the open air.
Patent JP-2002370903-A (JP)
Title: Granular wettable powder
Inventor: KURITA KAZUNORI
IPC: A01N25/30
Filed: 2001-06-13
Abstract: PROBLEM TO BE SOLVED: To obtain granular wettable powder having improved water dispersibility and suspensibility without being affected by kinds and properties of an agrochemical active ingredient and to provide a method for producing the same. SOLUTION: This granular wettable powder is characterized by comprising fine particle of solid agrochemical active ingredient having normal-temperature extensibility and exhibiting caking property even in preservation at a melting point or below and basic white carbon having 2-7.5 μm volume median particle diameter as essential raw material components. This method for granular wettable powder production comprises formulating the solid agrochemical active ingredient with the basic white carbon as the essential raw material components.
Patent JP-2002371267-A (JP)
Title: Method for manufacturing cerium-containing abrasive particle and cerium-containing abrasive particle
Inventor: ITO AKIFUMI
IPC: B24B37/00
Filed: 2001-06-15
Abstract: PROBLEM TO BE SOLVED: To provide a method for manufacturing a cerium-containing abrasive particle as a raw material of a cerium-containing abrasive where a crushing step is not required at all or considerably simplified, and a cerium-containing abrasive particle obtained by the same. SOLUTION: The method for manufacturing a cerium-containing abrasive particle comprises a precipitating step where a slurry containing a precipitate is obtained using a rare earth metal salt solution containing cerium together with a precipitant, a particle size regulating step where the sizes of the particles in the slurry is regulated, a filtering step where the slurry is subjected to solid- liquid separation after the particle size regulating step, and a baking step where the solid obtained by the solid-liquid separation is baked. The cerium-containing abrasive particle is obtained by the manufacturing method.
Patent JP-2002080443-A (JP)
Title: Acrylonitrile and method for producing the same
Inventor: HOTTA OSAMU
IPC: C07B61/00
Filed: 2001-06-15
Abstract: PROBLEM TO BE SOLVED: To obtain acrylonitrile from propane, which is advantageously used as a raw material for acrylamide from the point view of both equipment and economy, not requiring any pretreatment nor refining in case of acrylonitrile from propylene as a raw material, and to provide a method for producing acrylonitrile. SOLUTION: This acrylonitrile composition <=2 ppm in oxazole concentration is obtained by vapor phase catalytic oxidation between propane and ammonia in the presence of a multiple metal oxide catalyst; wherein the multiple metal oxide catalyst contains Mo, V, X, Y and O (X is Te and/or Sb; and Y is at least one selected from the group consisting of Nb, Ta, W, Ti, Al, Zr, Cr, Mn, Fe, Ru, Co, Rh, Ni, Pd, Pt, Bi, B, In, P, Ge, rare earth elements, alkali metals and alkaline earth metals) as the essential constituents and the respective proportions of Mo, V, X and Y simultaneously meet the following requirements: 0.25<rMo<0.98, 0.003<rV<0.5, 0.003<rX<0.5, and 0<=rY<0.5 (rMo, rV, rX and rY are respective molar fractions based on the total of the essential constituent except oxygen). The other objective method for producing the acrylonitrile composition is provided as described above.
Patent JP-2002374060-A (JP)
Title: Electronic circuit board
Inventor: KOYAMA MASATO
IPC: H05K3/34
Filed: 2001-06-15
Abstract: PROBLEM TO BE SOLVED: To obtain an electronic circuit board, in which the generation of solder balls is restrained on the side of an electronic component, without weakening the own-position correction action of the electronic component and which is suitable for a high-density mounting operation. SOLUTION: In the electronic circuit board, a solder resist is coated on the surface of the electronic circuit board, in which openings are formed so as to expose soldering pads, and the electronic component is mounted on the pads. Peripheral edges of the pads in the pasting direction of the electronic component and opening edges in the openings of the solder resist are arranged, with an interval in between.
Patent JP-2003004942-A (JP)
Title: Ir sensor cover and ir sensor unit using the same
Inventor: SETO HIROSHI
IPC: G02B5/26
Filed: 2001-06-19
Abstract: PROBLEM TO BE SOLVED: To provide an IR sensor cover and an IR sensor unit having a bright appearance like plating while the number of layers of high refractive index substance layers and low refractive material layers constituting a mirror coat layer. SOLUTION: The IR sensor cover contains a transparent synthetic resin layer 1 which transmits IR rays, a mirror coat layer 2 produced by forming high refractive index substance layers and low refractive index layers on the surface of the resin layer 1, and a color material layer 3 formed on the mirror coat layer 2 and has >=70% transmittance for IR layers in the layered state of the above layers. The IR sensor unit is equipped with the above IR sensor cover.
Patent JP-2003009577-A (JP)
Title: Drive controller for brushless dc motor
Inventor: ATSUMI TAKAYUKI
IPC: H02P6/06
Filed: 2001-06-20
Abstract: PROBLEM TO BE SOLVED: To provide a drive controller for a brushless DC motor wherein pedal kickback and pedal vibration are prevented or reduced. SOLUTION: The drive controller for a brushless DC motor 20 is constituted so that the angular position of a rotor 24 is determined at each point of switching of the signals of magnetic pole sensors 29a to 29c; based on the state of motor revolution, the angle is corrected between the determined angular positions, and the recognized angle of the rotor 24 is thereby determined; and based on the determined recognized angle, exciting currents to exciting coils 31a to 31c are controlled. Based on the state of switching of the magnetic pole sensors, it is judged whether the rotor 24 is rotating normally or reversely. If the rotor is judged as reversely rotating, the above correction of angle is not performed, and the angular position when the reverse rotation was detected is fixed and retained.
Patent JP-2003001548-A (JP)
Title: Machining method for blind hole and inspection method for the workpiece
Inventor: ISHIDA MAKOTO
IPC: B23B41/00
Filed: 2001-06-20
Abstract: PROBLEM TO BE SOLVED: To provide a machining method for a blind hole which ensures a high productivity and high accuracy for a depth of the hole, and an inspection method for a workpiece which is machined by the method. SOLUTION: The Z axis coordinate value of a surface of printed substrate is measured plural times at the same machining position which is positioned with an X axis coordinate value and a Y axis coordinate value in the rectangular direction against the thickness of the substrate. When a difference between successive two Z axis coordinate values is within a prescribed tolerance, a blind hole is machined regarding either of the successive two Z axis coordinate values as the reference.  In this method, if a case that comparison with the Z axis coordinate value at the machining position immediately before is not suitable, e.g. immediately after replacement of a drill, is defined in advance, the blind hole can be machined after confirmation that a difference between the Z axis coordinate values obtained at this time and at the machining position immediately before is within a prescribed range, excepting the case mentioned above. Besides surface condition of machined printed substrate is inspected by storing the Z axis coordinate value when it is machined.
Patent JP-2003002822-A (JP)
Title: Bath agent
Inventor: SHIRATA KENJI
IPC: A61K8/00
Filed: 2001-06-21
Abstract: PROBLEM TO BE SOLVED: To obtain a bath agent which is stable, does not give stimulation to the skin and increasingly improves the durability of moisture-keeping effect on the skin. SOLUTION: This bath agent is composed of (a) an oil component, (b) an extract of a substance obtained by fermentation of one or more substances selected from the group consisting of rice, rice bran, white rice bran and polished white rice and (c) an emulsifier, and at least 50 wt.% of the oil component (a) consists of rice bran oil and/or ricegerm oil.
Patent JP-2003008047-A (JP)
Title: Photodiode and its manufacturing method
Inventor: KOYAMA JUNICHIRO
IPC: H01L31/10
Filed: 2001-06-21
Abstract: PROBLEM TO BE SOLVED: To allow a high-speed operation of a photodiode to be executed with good photodetecting feeling by providing its wide directional angle. SOLUTION: The photodiode comprises a semiconductor thin film wafer having a crystalline n-type SiGe layer 2 thinned so as to be curved in a semi- cylindrical shape; an n<+> -type SiGe layer 1 formed on an inner periphery of the layer 2; and a p-type SiGe layer 3 embedded in an outer periphery of the layer 2 and containing a Ge atom, an anode electrode 3a formed on a side of the layer 3, and a cathode electrode 5 formed in a semi-cylindrical state on an overall inner peripheral surface of the layer 1.
Patent JP-2003001580-A (JP)
Title: Multi-joint curve mechanism for leg type move robot
Inventor: YAMAGISHI KEN
IPC: B25J5/00
Filed: 2001-06-22
Abstract: PROBLEM TO BE SOLVED: To make a multi-joint curve mechanism smaller and lower in cost and utilizes it for pseudo-feeling expression and emotion expression. SOLUTION: The multi-joint curve mechanism is constituted by connecting links which are rotatably supported one another by making two or more gears including the gear at an input side and the gear at an output side to gear with mutually. Each link is constituted so as to be rotatably supported by making odd number of gears to gear with mutually, and the gear at an output end rotates in the same rotational direction as the rotational direction impressed to the gear of an input end. Between adjacent links, the gear at the input side of one link and the gear at the output side of another link is shared, and the shared rotational axis of the gears constitutes the joint's degree of freedom of the multi-joint curve mechanism.
Patent JP-2002111086-A (JP)
Title: Thermoelectric semiconductor material, its producing method and thermoelectric module and hot forcing method employing it
Inventor: FUKUDA KATSUSHI
IPC: H01L35/18
Filed: 2001-06-22
Abstract: PROBLEM TO BE SOLVED: To produce a thermoelectric semiconductor material having a sufficient strength and an excellent figure of merit Z at a high yield. SOLUTION: Material powder is mixed to have a desired composition and fused thermally to produce a solid solution ingot of thermoelectric semiconductor having a rhombohedral structure (hexagonal structure). That ingot is crushed to form solid state powder which is then processed to have a uniform particle size. Subsequently, the solid solution powder is subjected to pressure sintering, hot forging and plastic deformation thus arranging the crystal grains of powdery sintered texture in a crystal orientation exhibiting an excellent figure of merit.
Patent JP-2002239914-A (JP)
Title: Saw blade shank
Inventor: LEE CHANG HYUN
IPC: B24D5/00
Filed: 2001-06-25
Abstract: PROBLEM TO BE SOLVED: To provide a saw blade shank capable of minimizing thermal deformation and impression after welding, and maximizing heat diffusion in fast cutting to greatly improve sound absorption and sound proofing performance. SOLUTION: A coating thin plate 30 is provided as an intermediate layer between two or more conductive steel plates 22 and 24, and on at least one side surface of the coating thin plate, insulation substance is coated to provide a number of non-coated parts 32a. Specified pressure and electric current are concentrated to the non-coated parts, and the steel plates and the coating thin plate 30 are heat-fused at multiple contact points to be integrated with each other.
Patent JP-2003006059-A (JP)
Title: Data transmission system
Inventor: YAMAMOTO EIJI
IPC: G06F13/00
Filed: 2001-06-26
Abstract: PROBLEM TO BE SOLVED: To enable transmission/reception of optional information by eliminating restriction of the numbers in a cooperation of application among computers via a proxy. SOLUTION: This data transmission system is constituted of a client computer 1 having a dummy request information generating part 21 to output dummy request information in place of request information from a subjective application 11 and a sequence monitoring/timer part 30 to instruct generation of the dummy request information after elapse of prescribed time after receiving response information from a server at a cooperating destination and a server 2 having a dummy response information generating part 31 to output the dummy response information in place of the response information of an application 12 and a sequence monitoring/timer part 40 to instruct generation of the dummy response information after the elapse of the prescribed time after receiving the request information from a client at a requesting origin.
Patent JP-2003008853-A (JP)
Title: Image processor
Inventor: ISHII RIE
IPC: H04N1/19
Filed: 2001-06-27
Abstract: PROBLEM TO BE SOLVED: To provide an image processor which generates data for interpolating the data portion missed during readout by a scanner. SOLUTION: The image processor has at least a read means 100, which optically reads and converts an image into an electrical signal, a shading correction means 101 which corrects the read signal according to data of a reference white plate, a power-varying means 102 which enlarges or reduces image data, a spatial filter means 103, a γ-conversion means 104 which corrects the write density, and a half-tone processing means 105 which reproduces gradations of an original and interpolates pixels missed during the read, by using the power-varying means 102. Two other claims are disclosed.
Patent JP-2003011358-A (JP)
Title: Ink jet head and ink jet recorder
Inventor: SASAKI TOYOKI
IPC: B41J2/045
Filed: 2001-06-28
Abstract: PROBLEM TO BE SOLVED: To provide an ink jet head having a nozzle plate which is not stripped easily even if the surface is wiped by means of a wiper blade and smooth ink ejection from the nozzle can be ensured over a long term, and an ink jet recorder comprising that ink jet head. SOLUTION: In a color ink jet printer 21, a nozzle plate 9 pasted to the opening side end part of an ejection channel 4 in an ink jet head 24 is formed substantially into a rectangle having four round corner parts 15. Since a wiper blade 46 is not caught by the corner part 15 even if it touches the corner part 15 resiliently, its nozzle face 11 can be wiped off smoothly. Since the nozzle plate 9 is not stripped easily even if it is wiped by means of the wiper blade 46, smooth ink ejection from the nozzle 8 can be ensured over a long term.
Patent JP-2003015131-A (JP)
Title: Liquid crystal display device
Inventor: TAKADA YUTAKA
IPC: F21V8/00
Filed: 2001-06-29
Abstract: PROBLEM TO BE SOLVED: To use a light source of a backlight in common, in a liquid crystal display device having a plurality of transmission type or semitransmission type liquid crystal display panels. SOLUTION: At least one sides of the respective transmission type or semitransmission type liquid crystal display panels 11 and 12 are adjacently disposed and light guide plates 21 and 22 are disposed on the respective rear sides of the liquid crystal display panels 11 and 12. Only one light source 20 is used and the light guide plates 21 and 22 are irradiated with light from the only one light source 20.
Patent JP-2003012751-A (JP)
Title: Urethane urea resin and adhesive using the same
Inventor: SHIGEMORI KAZUNORI
IPC: C08G18/32
Filed: 2001-07-02
Abstract: PROBLEM TO BE SOLVED: To obtain an adhesive which improves defect of deficiency of removability of an acrylic adhesive, has a medium tack strength which can not be attained with a conventional polyurethane resin-based adhesive and contains a urethane urea resin whose production process is simplified. SOLUTION: The urethane urea resin is obtained by reacting a raw material comprising a polyol (a), a polyisocyanate (b) and an amine (c) represented by formula (1) (Y is a monofunctional hydrocarbon group containing one or more active hydrogen-containing function groups and may contain NH in the main chain; (n) is 0 or 1; R<1> and R<2> are each independently hydrogen atom or a hydroxy group-free monofunctional hydrocarbon group; R<3> and R<4> are each independently hydrogen atom or a monofunctional hydrocarbon group).