baber/WOPTO huggingface dataset:
Patent JP-2005240643-A (JP)
Title: Fuel pump
Inventor: TAKAYAMA TATEKI
IPC: F04D5/00
Filed: 2004-02-25
Abstract: <P>PROBLEM TO BE SOLVED: To provide a fuel pump for suitably avoiding the clogging of foreign matters while suppressing the degradation of pumping efficiency.  <P>SOLUTION: The fuel pump comprises an impeller 1 for boosting fuel introduced from a suction port 21 into a pump chamber 25 and discharging it from a discharge port 22 and a narrowing part 7 formed on the inner wall face of a body 4 of the pump chamber 25 for narrowing a clearance d between a side face 1a of the impeller 1 and the inner wall face depending on its position. The narrowing part 7 has a minimum portion 7a formed in such a shape as to bias the fuel in the clearance along its flow line for narrowing the clearance d to a minimum.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005244036-A (JP)
Title: Semiconductor device
Inventor: IMURA CHIKAKO
IPC: H01L23/12
Filed: 2004-02-27
Abstract: <P>PROBLEM TO BE SOLVED: To provide a small-sized and high-density package by using an inexpensive subtractive multi-layer substrate.  <P>SOLUTION: A System-in-Package is provided with a wiring board 1 and semiconductor chips 2A and 2B loaded on the main surface. A lead 5 formed on the main surface of the wiring board 1 is electrically connected with a ball land 9 on a back surface through a through-hole 8 and the ball land 9 is provided with a solder bump 13 constituting an external connection terminal. The pattern of the lead 5 and the pattern of the ball land 9 are arranged so as to be piled up with each other, and a signal route from the lead 5 through the through-hole 8 to the ball land 9 is made shortest.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005248375-A (JP)
Title: Steel cord for reinforcing rubber article and pneumatic tire using the same
Inventor: FUKUDA YUKIMASA
IPC: B60C9/00
Filed: 2004-03-04
Abstract: <P>PROBLEM TO BE SOLVED: To provide a steel cord for reinforcing a rubber article, preventing the preceding breakage of filaments, while improving the strength at break of the steel cord as a whole, and excellent in productivity and economical property, and to provide a pneumatic tire using the same.  <P>SOLUTION: This double-twisted structure steel cord is provided by twisting a core filament made of a metal with at least one layer of sheath filaments made of a metal as a layer-twisted structure to make one strand, further twisting in a plurality of strands to form a core cable 1, twisting the core cable 1 with at least one layer of sheath strands 2 as a layer-twisted structure to make one steel cord, and winding ≥1 filament 3 made of a non-metal as a spiral state around the core cable 1.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005159261-A (JP)
Title: Circuit substrate for solid configuration
Inventor: YUMOTO TETSUO
IPC: H05K1/02
Filed: 2004-03-04
Abstract: <P>PROBLEM TO BE SOLVED: To provide a circuit substrate for solid configuration, with which breaking of molding pins of a mold is prevented, plating deposition is assured, and thereby the circuit pitch can be narrowed to the smallest limit.  <P>SOLUTION: Prescribed circuit patterns 3 composed of an electrically conductive material are formed on the surface of the circuit substrate 2, and prescribed circuit patterns are also formed on the backside. Through-holes 5 that electrically connect the circuit patterns on both surfaces are formed in the circuit substrate 2. The internal shape of the through-holes is narrow in the direction between neighboring circuit patterns and is long in the direction of circuit extension.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005251319-A (JP)
Title: Optical disk device
Inventor: MUTA TOMOTAKA
IPC: G11B33/12
Filed: 2004-03-05
Abstract: <P>PROBLEM TO BE SOLVED: To provide an optical disk device suitably used for a stationary electronic device such as a personal computer, a notebook computer, and a portable electronic device such as a portable information terminal device or a portable video device.  <P>SOLUTION: This optical disk device is provided with a cover 22, a tray disposed in the tray to be freely inserted/pulled out, a spindle motor disposed in the tray to rotate the optical disk, and a carriage moved close to/away from the spindle motor with an optical device freely movably held by the tray and mounted to at least record/reproduce information in the optical disk. A dome part 43 is disposed in the cover 22 to be raised toward the center of the cover.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005246448-A (JP)
Title: Cast-in material for forming cast-in casting and cast-in casting method
Inventor: YAMAMOTO YOSHIAKI
IPC: B22C9/28
Filed: 2004-03-05
Abstract: <P>PROBLEM TO BE SOLVED: To provide a cast-in material for forming the cast-in casting with which a comparatively thick-shaped portion, such as a wheel for vehicle cast-formed, can suitably be thinned, and a cast-in casting method using this cast-in material.  <P>SOLUTION: The cast-in material 15 has the constitution as a heat-resistant magnet composed of iron-chromium-cobalt alloy without generating remarkable deterioration of a magnetic characteristic caused by heat-transferring action from molten metal, is arranged so as to form the magnetic circuit in which lines of the magnetic force flows through a forming metallic mold 4 between both magnetic pole surfaces 19a, 19b of this magnet and provided with a magnetic adsorption surface part 16 magnetic-adsorbed to the forming metallic mold 4 and the tapered-shape of inclined side peripheral parts 17. Further, the heat-resistant magnet is constituted of an alnico magnet or constituted of samarium-cobalt-based sintered magnet and then, the cast-in casting method is the one using such cast-in material. In such cast-in material and the casting method, for example, the cast-formation of the wheel for vehicle can suitably and easily be realized.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005249140-A (JP)
Title: Pipe connecting structure
Inventor: KUBO MASANOBU
IPC: F16L21/08
Filed: 2004-03-08
Abstract: <P>PROBLEM TO BE SOLVED: To easily perform the execution of work and maintenance by applying a structure for easily mounting and demounting an insertion body to be connected with a pipe body, to a joint main body by manual work while preventing water leakage.  <P>SOLUTION: An O-ring 3 as a seal member for keeping the water-tightness is mounted between the joint main body 10 and the mounting part 2 of the insertion body 1 in a state of being kept into contact with each other, and a lock ring 20 having spring property is mounted on an inner periphery of the joint main body 10 in a state that its diameter can be expanded. A step part 7 for fitting the lock ring 20 is formed on an outer periphery of the mounting part 1 of the insertion body 1, and an inclined guide face 6 for guiding the lock ring 20 is formed on the step part 7. The lock ring 20 is fitted to the step part 7 at a screwing terminal end position of the insertion body 1, and the insertion body 1 is connected with the joint 10.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005257219-A (JP)
Title: Air conditioner
Inventor: FUKUSHIMA EIJI
IPC: F25B49/02
Filed: 2004-03-15
Abstract: <P>PROBLEM TO BE SOLVED: To provide an air conditioner for rapidly detecting leakage of a refrigerant with high accuracy.  <P>SOLUTION: A control device operates an indoor unit and an outdoor unit, inputs control values of an indoor fan, compressor, and an outdoor fan at this time, stores detected refrigerant temperatures of respective temperature sensors of the indoor unit and outdoor unit, and detected outside air temperatures of second and sixth temperature sensors as initial learning data, corrects refrigerant leakage detecting operation data used at a time of refrigerant leakage detection previously set in response to individual differences and actual installation conditions of respective equipment of the indoor unit and outdoor unit on the basis of the initial learning data, operates the indoor unit and outdoor unit so as to accumulate the refrigerant in the outdoor heat exchanger on the basis of the corrected refrigerant leakage detecting operation data, obtains a difference by inputting a detected temperature of the fourth temperature sensor and a detected temperature of the fifth temperature sensor at this operation time, determines whether the temperature difference is more than a previously set threshold value or not, and determines as refrigerant leakage when the temperature difference is more than the threshold value.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005261153-A (JP)
Title: Alternator for vehicle
Inventor: OGI HIROYUKI
IPC: H02K13/00
Filed: 2004-03-15
Abstract: <P>PROBLEM TO BE SOLVED: To provide an alternator for a vehicle capable of improving its durability while suppressing cost increase and output deterioration.  <P>SOLUTION: This alternator for a vehicle is provided with a rotor 2 comprising a rotor winding 22 wound on pole cores 21 and a pair of slip rings 26, 27 electrically connected to the rotor winding 22, a stator arranged with a gap over the outside circumference of the rotor 2, and a brush device that contacts a pair of the slip rings 26, 27 to feed power to the rotor winding 22. A pair of these slip rings 26, 27 are each formed using different metal materials.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005263523-A (JP)
Title: Meso-size fine particles and method for manufacturing the same
Inventor: YOSHIMURA TOSHIHIKO
IPC: H01M4/96
Filed: 2004-03-17
Abstract: <P>PROBLEM TO BE SOLVED: To solve the following problem; carbon fibers are made of only carbon and expand in industrial application but lack in versatility achieved by making good use of atomic properties.  <P>SOLUTION: A spherical material of meso size can be formed around a carbon rod by causing arc discharge in a reduced-pressure atmosphere using He. Fine particle formation requires suitable conditions, and when arc discharge is caused in a reactive gas comprising 20-40 kPa of helium and 0-20 kPa of the air, no CNT grows and a spherical material of several hundred nm to several μm is formed. Fine particles of meso size comprising not only carbon but a plurality of elements can be obtained by incorporating other elements into a second electrode material or introducing gases of other elements into a vacuum chamber during arc discharge.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005182733-A (JP)
Title: Storage device of portable computer
Inventor: WANG WEN-CHIEH
IPC: G06F1/16
Filed: 2004-03-18
Abstract: <P>PROBLEM TO BE SOLVED: To provide a storage device of a portable computer which increases convenience of carrying between the portable computer and a base and is convenient for storage and arrangement.  <P>SOLUTION: The portable computer is provided so as to flatly abut on the base, a positioning hole at a rear side of the portable computer is fitted into a positioning projected edge of a stopper projected board of a rear edge of the base, a rotation chip of a front edge of the base rotates and rises upward, its engagement pole is engaged in an engagement hole on the front edge of the portable computer and between the portable computer and base is fixed. Thus, the portable computer is not only simply put on the base but fixed by simple positioning structure, the convenience of carrying between the portable computer and the base is increased and storage and arrangement are facilitated.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004231301-A (JP)
Title: Folding packing carton
Inventor: KAMATA YOSHIYUKI
IPC: B65D5/36
Filed: 2004-03-18
Abstract: <P>PROBLEM TO BE SOLVED: To dispense with an adhesive at least on a bottom section in a folding packaging carton where the bottom section is formed in an automatic locking bottom form.  <P>SOLUTION: A tongue piece section 16 is each formed at the corners of a pair of first bottom section pieces 9, 11 and the tongue piece section is provided so as to traverse the folding line 19 of the corner. In addition, an engagement hole 17 is each provided at the bottom section pieces 8, 10 adjacent to the bottom section pieces 9, 11 having the tongue piece sections 16 so as to fit the tongue piece section 16 into the engagement hole 17 to engage with each other.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2005268568-A (JP)
Title: Production method of multilayer printed wiring board
Inventor: YAMADA MANABU
IPC: H05K3/46
Filed: 2004-03-19
Abstract: <P>PROBLEM TO BE SOLVED: To provide a manufacturing method of a multilayer printed wiring board which can hold the roundness state of a circuit formation reference hole, and can improve position accuracy of interlayer connection and position accuracy of a circuit of an outer layer and an inner layer.  <P>SOLUTION: The method is for manufacturing the multilayer printed wiring board with a via connecting at least a wiring layer. The outer layer of an insulating substrate is irradiated with laser and a non-through hole is shaped. After the circuit formation reference hole is shaped, the non-through hole is subjected to conducting processing without performing desmear and metal plating treatment for the circuit formation reference hole.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005274744-A (JP)
Title: Optical apparatus and projector
Inventor: YANAGISAWA YOSHIYUKI
IPC: G03B21/16
Filed: 2004-03-23
Abstract: <P>PROBLEM TO BE SOLVED: To provide an optical apparatus where an optical modulator and optical components arranged near the optical modulator can be efficiently cooled.  <P>SOLUTION: The optical apparatus is provided with the optical modulator for modulating a luminous flux emitted from a light source in accordance with image information, an optical element arranged at a preceding stage or a post stage of the optical modulator so as to perform the optical conversion of the incident luminous flux, and a heat radiating member 9 attached to the optical modulator. The heat radiating member 9 is provided with a positioning part 91 contacting with either of the luminous flux incident side face or the luminous flux exit side face of the optical modulator in a thermal-conductive state and for positioning the member 9 on the optical modulator, and an extension part 92 extending from the end part of the positioning part to the optical element so as to cover the side face standing from the width direction end part of the luminous flux incident side face of the optical element.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2005106047-A (JP)
Title: Emission control device
Inventor: SUGIYAMA TATSUMASA
IPC: F02M25/07
Filed: 2004-03-23
Abstract: <P>PROBLEM TO BE SOLVED: To appropriately control generation of deposit in the vicinity of an injection hole of an injection nozzle for supplying fuel to catalyst.  <P>SOLUTION: In an addition valve 68 provided to an exhaust port 30 of a diesel engine 2, deposit is generated around an injection hole of an injection nozzle. In order to control the deposition, elapsed time from an end of fuel addition by the addition valve 68 is measured. When the elapsed time reaches a prescribed time, forced fuel addition from the injection nozzle is executed. By so doing, fuel addition from the injection nozzle is carried out at intervals corresponding to the prescribed time at least, which leads to control of generation of deposit. Since generation status of the deposition varies by temperature around the injection hole of the injection nozzle, however, the prescribed time and the fuel addition quantity in the forced fuel addition are made variable in accordance with a parameter exerting an influence upon the temperature around the injection hole.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005270310-A (JP)
Title: Game machine
Inventor: UGAWA SHOHACHI
IPC: A63F7/02
Filed: 2004-03-24
Abstract: <P>PROBLEM TO BE SOLVED: To provide a game machine which accomplishes the more accurate put-out control while realizing the quick putting out of the game media.  <P>SOLUTION: When the number of prize balls command indicating 10 is received during the put-out processing, the value of a total number of expected put-out prize balls counter is added by 10 and reaches 25. By the addition processing to be executed when the value of a put-out action counter for determining the degree of drive of a put-out motor as a drive means for putting out the game balls up to the end of the put-out action reaches the prescribed value ('1'), a difference ('10') between the contents of the total number of expected put-out prize balls counter and the preceding contents thereof is added to the values of the put-out action counter and a number of outstanding put-out prize balls counter. As a result, the values of the put-out action counter and the number of outstanding put-out prize palls counter give 11 respectively. The preceding contents of the total number of expected put-out prize balls counter are made equal to the current contents of the total number of expected put-out prize balls counter.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2005276660-A (JP)
Title: Closed type battery and its manufacturing method
Inventor: TOMIMOTO KAZUO
IPC: H01M10/28
Filed: 2004-03-25
Abstract: <P>PROBLEM TO BE SOLVED: To stabilize gas discharge ability, to suppress generation of defective goods by stabilizing a welding process of a current collector, and to enhance production yield of a battery which is superior in a current discharge characteristic.  <P>SOLUTION: The closed type battery is sealed by a sealing material having an exterior container 9 that is provided with an aperture and that serves also as a terminal of one electrode, having an electrode body 18 arranged in the exterior container 9, and having a gas releasing hole in which the aperture serves also as the terminal of the other electrode, and in which the other electrode of the electrode body and the sealing material are welded via the current collector. The current collector 1 is provided with the main body part connected to the one end part of the electrode body, and a current collecting reed 17 which is extended from the main body part and welded to the sealing material 10 or to the exterior container 9. A protrusion A which has a prescribed length along the longitudinal direction of the current collecting reed 17 is installed, and the protrusion A is arranged so that it is communicated with the aperture 2 which is installed at a position that coincides with the gas releasing hole 8.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2005272114-A (JP)
Title: Parts feeder
Inventor: NAKAMICHI TAKEO
IPC: B65G47/14
Filed: 2004-03-25
Abstract: <P>PROBLEM TO BE SOLVED: To align parts transferred in various attitudes to be in a normal attitude and select them.  <P>SOLUTION: A parts feeder comprises an inner disk 1, an outer ring plate 2 inclined with respect to the inner disk 1, and an attitude selection mechanism 4 for selecting the parts P transferred by the outer ring plate 2. The outer ring plate 2 transfers the parts P supplied by the inner disk 1 from a supplying part 5 to an ascent drop part 6. The attitude selection mechanism 4 drops abnormal attitude parts from the outer ring plate 2 onto the inner disk 1 so as to select only normal attitude parts and discharge the normal attitude parts to the outside. A horizontal attitude groove 24 with its width smaller than the size of the parts P is provided on the upper face of the outer ring plate 2. The parts P are guided to the horizontal attitude groove 24 and transferred in a horizontal attitude. The parts P are transferred in a vertical attitude in a condition of not being guided to the horizontal attitude groove 24. The parts feeder selects the parts transferred in the horizontal attitude and in the vertical attitude by a selection guide 22 of the attitude selection mechanism 4 so as to discharge only the normal attitude parts.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2005279958-A (JP)
Title: Printing state detector and its method
Inventor: KATSUMATA IKUO
IPC: B41J29/393
Filed: 2004-03-26
Abstract: <P>PROBLEM TO BE SOLVED: To provide a printing state detector which can simply detect printing failures due to a positional deviation or the like of a printing object in a printer, and to provide its method.  <P>SOLUTION: The printing state detector detects light obtained from a mark 18 for printing state detection to light illuminated from the mark 18 which consists of a printing part 34 and a non printing part 36, by a first sensor 26 and a second sensor 28. A printing state is detected from a first comparison result of the comparison between a first detected quantity of light detected by the first sensor 26 and a first threshold, and a second comparison result of the comparison between a second detected quantity of light detected by the second sensor 28 and a second threshold.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2005287158-A (JP)
Title: Converter device
Inventor: TANIGAWA MAKOTO
IPC: H02M7/12
Filed: 2004-03-29
Abstract: <P>PROBLEM TO BE SOLVED: To provide a converter device which can improve its power factor and reduce its higher harmonics in very simple circuit configuration.  <P>SOLUTION: This inverter is equipped with two capacitors 5 and 6 for double voltage which are connected in parallel with a rectifying circuit 3, a smoothing capacitor 7 which is connected in parallel with these capacitors 5 and 6 for double voltage, a switching element 4 which is inserted between one hand on the input side of the rectifying circuit 3 and the junction between the capacitors 5 and 6 for double voltage, a DC voltage detector 9 which detects the output voltage of the smoothing capacitor 7, and a switching controller 10 which switches on the switching element 4 when the DC voltage detected by the DC voltage detector 9 is not more than the lower limit value and switches off the switching element 4 when the DC voltage is more less than the upper limit value. The capacity of the two capacitors 5 and 6 for double voltage is selected so that the output voltage of the output voltage of the smoothing capacitor 7 may not be doubled when the switching element 4 is turned on.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2005033765-A (JP)
Title: Method and system for dynamically updating arp cache table in ad hoc network
Inventor: NAM SANG-SU
IPC: H04W84/18
Filed: 2004-03-29
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method and system for dynamically updating the information registered in ARP cache tables of other terminals in a case where a protocol address of a terminal existing in an ad hoc network changes.  <P>SOLUTION: If protocol addresses of terminals are found duplicated, the protocol addresses of some of the terminals having the duplicate addresses are changed (first step). A terminal whose address has changed, transmits information on the previously used protocol address and its own hardware address to the neighboring terminals (second step). The neighboring terminal update address information tables in accordance with the received information contents (third step). A terminal whose address has not changed transmits its own address information to the neighboring terminals (fourth step).The neighboring terminals that has received the address information in the fourth step, update the address information tables in accordance with the received information (fifth step).  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005282458-A (JP)
Title: Fuel injection valve and method of manufacturing fuel injection valve
Inventor: SUGIYAMA KOICHI
IPC: F02M51/06
Filed: 2004-03-30
Abstract: <P>PROBLEM TO BE SOLVED: To provide a fuel injection valve enabling a magnetic member to be positioned relative to a tube member by a simple structure.  <P>SOLUTION: A ring 60 is fitted to a nozzle holder 14. The ring 60 restricts the relative movement of a housing 50 to a coil 40 stored in the housing 50 in the axial direction of a storage pipe 11. When a resin forming a resin mold 33 is filled from the opposite side of a valve body 20, the coil 40 and the housing 50 are not moved relative to the storage pipe 11 in the axial direction. Accordingly, the positions of the coil 40 and the housing 50 relative to the storage pipe 11 can be determined. In addition, the welding or caulking of the housing 50 is not required. As a result, the man-hour for assembly can be reduced.  <P>COPYRIGHT: (C)2006,JPO&NCIPI