baber/WOPTO huggingface dataset:
Patent JP-2003300780-A (JP)
Title: Wear resistant member made of silicon nitride and production method therefor
Inventor: KOMATSU MICHIYASU
IPC: C04B35/584
Filed: 2002-04-04
Abstract: <P>PROBLEM TO BE SOLVED: To provide a wear resistant member made of silicon nitride which has a prescribed electric resistance value (electric conductivity) in addition to the high strength and high toughness characteristic of silicon nitride, and has excellent sliding properties in particular, and to provide a production method therefor.  <P>SOLUTION: The wear resistant member 2 made of silicon nitride consists of a ceramics sintered compact composed of, by mass, 55 to 75% silicon nitride, 12 to 28% silicon carbide, at least one kind of element selected from Mo, W, Ta and Nb in 3 to 15% expressed in terms of silicide and a 5 to 15% grain boundary phase consisting of rare earth elements-Si-Al-O-N. The wear resistant member 2 made of silicon nitride has an electric resistance value of 10<SP>7</SP>to 10<SP>4</SP>Ωcm, a porosity of ≤1% and a three point bending strength of ≥900 MPa.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003291882-A (JP)
Title: Power unit structure for traveling vehicle
Inventor: SHIBANO KENJI
IPC: F16H37/02
Filed: 2002-04-04
Abstract: <P>PROBLEM TO BE SOLVED: To provide a power unit structure for a traveling vehicle for realizing high reliability and flexibility in a simple and inexpensive constitution.  <P>SOLUTION: Crankcase half bodies 11, 12 constituting a crankcase 10 of an engine 5 and transmission case half bodies 32, 33 constituting a transmission case 30 of a geared transmission device 6 are constructed independently of each other, whereby the respective case half bodies 11, 12, 32, 33 can be machined in compact machining equipment with good accuracy. The crankcase 10 and the transmission case 30 constructed independently by the respective case half bodies 11, 12, 32, 33 are connected to each other at one side by a plate-like connecting member 50, and a belt type automatic transmission device 7 is constructed along one side of the connecting member 50, whereby the engine 5, the geared transmission device 6 and the belt type transmission device 7 are constructed independently of each other.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003304644-A (JP)
Title: Bidirectional converter
Inventor: AKAIWA KENSAKU
IPC: H02J7/00
Filed: 2002-04-08
Abstract: <P>PROBLEM TO BE SOLVED: To form a bidirectional converter using a chopper method, capable of charging and discharging a battery with a small number of parts so as to contribute to a space saving.  <P>SOLUTION: This bidirectional counter charges the battery, operating as a step-down voltage chopper circuit in a charging period, and discharges the battery, operating as a step-up voltage chopper circuit in a discharging period. The step-down voltage chopper circuit and the step-up voltage chopper circuit share the use of the same coil for smoothing. A diode used in the step-down voltage chopper circuit is replaced by a parasitic diode of a FET used in the step-up chopper circuit. The diode used in the step-up circuit is replaced by a parasitic diode of a FET used in the step-down chopper circuit. Thus, the number of the parts is reduced, and space saving is attained.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003300794-A (JP)
Title: Method for producing diamond and produced diamond particle
Inventor: IHARA EIJI
IPC: C30B29/04
Filed: 2002-04-08
Abstract: <P>PROBLEM TO BE SOLVED: To produce diamond particles in each of which white spot-shaped inclusions are hardly included when the diamond is synthesized by a high temperature high pressure method.  <P>SOLUTION: In a method for producing the diamond from reactive substances including carbon and a solvent metal by keeping the reactive substances under a pressure and temperature condition where diamond is stable, the whole surface of the solvent metal is previously subjected to carburization. Or, the solvent metal is thermally treated under conditions that the pressure is ≤1×10<SP>-2</SP>torr (1.33 Pa) and the temperature is ≥800°C in a state that the solvent metal is previously brought into contact with a carbon material.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003303623-A (JP)
Title: Non-aqueous electrolyte battery
Inventor: FUJITA KAZUNORI
IPC: H01M10/05
Filed: 2002-04-09
Abstract: <P>PROBLEM TO BE SOLVED: To provide a cylindrical battery in which heat of the battery at the time of overcharging is suppressed and which is highly safe.  <P>SOLUTION: This is a non-aqueous electrolyte battery that is constructed of a wound electrode body 4 in which a positive electrode 1 and a negative electrode 2 are wound through a separator 3 and has a center pin 6 at the winding center and a battery can 5 in which a safety valve device 11 and a terminal plate 10 are caulked through a gasket 14. When the inner diameter of the battery can 5 is made A, the maximum value of the diameter of the wound electrode body 4 is made B, and the minimum value is made C, the following formula is satisfied; 0.950A≤(B+C)/2≤0.990A.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003300029-A (JP)
Title: Surface treating apparatus using atmospheric pressure plasma
Inventor: SAEKI NOBORU
IPC: H01L21/304
Filed: 2002-04-10
Abstract: <P>PROBLEM TO BE SOLVED: To provide a surface treating apparatus using atmospheric pressure plasma which has improved surface treating efficiency and carries out uniform surface treating by securing a large unit treating area while expanding the applicability of the apparatus by miniaturization of the apparatus.  <P>SOLUTION: A pair of inner and outer discharge electrodes 2 and 3 which have acute projecting parts 2A and 3A for generating arch-shaped corona discharge are arranged at the central part and the outer circumference part of a gas flow passage 1. A swirling means 17 is provided at a place near a blow- off port 1A at the tip of the gas flow passage 1. The swirling means 17 imparts swirling force for diffusion to a gas introduced to a corona discharge region to thereby generate plasma-containing gas flow which is expanded diametrically and is formed in a nearly circular shape with large area and a diameter larger than that of the blow-off port 1A.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2002340876-A (JP)
Title: Multiple liquid chromatograph
Inventor: SAITO MUNEO
IPC: G01N30/74
Filed: 2002-04-12
Abstract: PROBLEM TO BE SOLVED: To provide a multiple liquid chromatograph and the like capable of keeping a flow rate of a solvent flowing through a column constant in spite of fluctuation of flow passage resistance in the column constituting multiple columns. SOLUTION: This low-pressure mixture type multiple liquid chromatograph is constructed of a group of solvent tanks 11 (a plurality of solvent tanks TA-TC), a liquid feeding device 12 having a single master pump (gradient pump) 12c sucking solvents from the respective solvent tanks and mixing the solvents, a manifold 14 arranged on the downstream side of the liquid feeding device 12, a multiple automatic sampler 16 arranged on the further downstream side of the manifold 14, a group of columns 17 (column CLM1 -CLMN) arranged on the further downstream side of the multiple automatic sampler 16. In each of divided flow passages of the manifold 14, a group of slave pumps 15 (SP1 - SPN) is arranged.
Patent JP-2003307533-A (JP)
Title: Field sensing device and optical transmission system
Inventor: TOBA YOSHIKAZU
IPC: H04B10/00
Filed: 2002-04-15
Abstract: <P>PROBLEM TO BE SOLVED: To provide a field sensing device and an optical transmission system that is practical even for a weak electric wave or field.  <P>SOLUTION: The field sensing device and the optical transmission system include a light source for generating non-modulated light made up of two rays of straight modulated light perpendicular to each other, an optical fiber for transmitting the non-modulated light, a polarized coupler for separating the non-modulated light into polarized waves, a light modulator for modulating one of the separated polarized waves by an electrical signal, an antenna for detecting an electric field, an input filter and an electrical amplifier for applying the detected electrical signal to the light modulator, an optical fiber for transmitting modulated light, and an O/E converter for converting the transmitted modulated light to an electric signal.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003305139-A (JP)
Title: Method of treatment for detoxifying organic halogen compound
Inventor: IDE NORIAKI
IPC: C07B35/06
Filed: 2002-04-15
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method of the treatment for detoxifying organic halogen compounds which achieves a smooth detoxifying treatment by minimizing the possibility of tar components blocking the operation of separating oil from water.  <P>SOLUTION: The method of the treatment for detoxifying organic halogen compounds has a reaction process in which the organic halogen compounds are caused to react with alkali metal in an insulating oil, a hydration process in which water is mixed into the insulating oil via the reaction process to extract an alkali halide metal salt in the insulating oil produced in the reaction process into the water and an oil/water separation process for separating and removing the water from the insulating oil via the hydration process. The oil/ water separation process is preceded by an acid addition process in which the hydrolyzates of components in the insulating oil as possibly generated by the water mixed in the hydration process is dissolved into the water with the addition of acid and a salting-out process for salting out the hydrolyzates dissolved in the water by the acid addition process as solid matters.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003308101-A (JP)
Title: Off-line diagnostic system
Inventor: INOUE AKIRA
IPC: F16K37/00
Filed: 2002-04-16
Abstract: <P>PROBLEM TO BE SOLVED: To allow a user to be released from analyzing data, and to easily judge which parameter should be considered although there are a lot of evaluation parameters.  <P>SOLUTION: An off-line diagnostic system is provided with a self- characteristic measuring device 1c for measuring the step response characteristics of a control valve in a valve positioner 1, a control valve characteristic measuring device 1d for measuring the input/output characteristics of the control valve and data communication equipment 1a for transmitting the data of the step response characteristics and input/output characteristics measured in the valve positioner 1 to a host side application (host equipment) 3. In this case, a data analyzing device 1b for analyzing data obtained by the self-characteristic measuring device 1c and the control valve characteristics measuring device 1d is disposed in the valve positioner 1.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003308577-A (JP)
Title: Fire alarm
Inventor: KAWANO YASUYUKI
IPC: G08B17/00
Filed: 2002-04-17
Abstract: <P>PROBLEM TO BE SOLVED: To provide a fire alarm prevented from issuing an alarm more than necessary.  <P>SOLUTION: This fire alarm issues the alarm under specific conditions, a stop signal is issued by operation of a stop switch 2, and the alarm is once stopped. This alarm is provided with a short time mode stopping the alarm for a short time by issuing the stop signal once during the alarming and a long time mode stopping the alarm for a long time by issuing the stop signals a plurality of times in a prescribed time during the alarming. This alarm is characterized in that the prescribed time is set longer than the alarm stop time by the short time mode.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003306548-A (JP)
Title: Method for producing epoxidized low-molecular-weight polyphenylene ether
Inventor: TOKIWA TETSUJI
IPC: C08G65/48
Filed: 2002-04-17
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method for producing an epoxidized polyphenylene ether wherein a polyphenylene ether is efficiently reacted even with a small amount of an epoxy compound by increasing the reaction rate while suppressing side reactions such as the gelation of the epoxy compound or the ring opening of an epoxy group.  <P>SOLUTION: In this method for producing an epoxidized polyphenylene ether, an amine compound is used as a catalyst in reacting a polyphenylene ether having a weight average mol.wt. lower than 10,000 with an epoxy compound having at least two epoxy groups while the polyphenylene ether is kept in the solid state.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003314280-A (JP)
Title: Guard for cooling air suction port of engine
Inventor: SAWADA TOSHIHARU
IPC: F01P5/06
Filed: 2002-04-23
Abstract: <P>PROBLEM TO BE SOLVED: To provide a guard for a cooling air suction port of an engine which has no risk of decreasing the cooling efficiency by the mown grass or lawn which is sucked or sticks to the front face.  <P>SOLUTION: A crankcase (2) comprises a front case (2a) and a rear case (2b). A fan case (10) containing a cooling fan (3) therein is provided at the end portion of the rear case (2b) of the crankcase. The semi-annular cooling air suction port, not shown, is formed in a wall (12) of the fan case (10) on the side of the crankcase (2). The suction port guard (20) comprises a semi- annular flange portion (21) extending along a volute outer periphery of the fan case, (10) and a semi-cylindrical portion (22) extending toward the front end of the front case (2a). The guard (20) is a separate member from the crankcase (2) and the fan case (10), and is attached to the fan case (10) in such a manner that it covers the suction port. The total area of slits (23) formed in the suction port guard (20) is set fully larger than the total area of the suction port.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003316307-A (JP)
Title: System for outputting information toward public and method for outputting information toward public
Inventor: SUDO TOMOHIRO
IPC: G06Q30/06
Filed: 2002-04-24
Abstract: <P>PROBLEM TO BE SOLVED: To provide a service for outputting information toward the public of a high popularization effect, which service makes the common utilization of an output device for outputting the information toward the general public possible by receiving time contracts as the use contacts of the output device and changing over and outputting the information provided from the contractors by each of the contract time zones, and in addition, makes the utilization by a third party possible to prevent the adverse effect of the monopolistic use.  <P>SOLUTION: A signboard display server 1 keeps storing and managing the contract time by the time zones exchanged with the contractors as the use contracts of a signboard apparatus 3 in correspondence to the contractors and changes over and displays the store advertisement information from the contractors made correspondent to the contract time every time the arrival of any of the contract time is detected. When the server 1 receives a display request by an interruption asides from the time contracts, the server displays the information requested to be interrupted on a temporary basis.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003317754-A (JP)
Title: Fuel cell system
Inventor: FUKUDA TAKASHI
IPC: H01M8/04
Filed: 2002-04-24
Abstract: <P>PROBLEM TO BE SOLVED: To provide an inexpensive fuel cell system not contaminating the circulating water.  <P>SOLUTION: The fuel cell system has a fuel cell body 10 for receiving hydrogen rich gas and air and generating power. The fuel cell system comprises an air supply system 40 having an air purifying means 42 for purifying air and for supplying the purified air to the fuel cell body 10, water circulating systems 50 and 60 having reserving means 52 and 63 for reserving water and for circulating the water to the fuel cell body 10, and ventilating means 58 and 67 for communicating the air supply system 40 with the reserving means 52 and 63 to ventilate the purified air to the reserving means 52 and 63.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003317714-A (JP)
Title: Zinc alloy powder for alkali manganese battery and alkali manganese battery using it
Inventor: KOYAMA AKIRA
IPC: H01M4/42
Filed: 2002-04-24
Abstract: <P>PROBLEM TO BE SOLVED: To provide zinc alloy powder for an alkali manganese battery whereby battery charging characteristics is maintained without lowering it, and the amount of hydrogen gas produced is reduced, when used as a negative electrode active material, and to provide the alkali manganese battery using it.  <P>SOLUTION: This zinc alloy powder for the alkali manganese battery is formed by applying 0.01-10 wt.% of liquid saturated hydrocarbon based oil to zinc alloy powder having accompanied impurities whereof a Ge content is 20 ppb or less, a Sb content is 50 ppb or less, an As content is 5 ppb or less, and a Fe content is 5 ppm or less.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003316379-A (JP)
Title: Pattern matching method, voice recognition system, and program
Inventor: NAKAMURA RYOICHI
IPC: G10L15/06
Filed: 2002-04-24
Abstract: <P>PROBLEM TO BE SOLVED: To provide a pattern matching method for processing voice recognizing pattern matching without increasing the capacity and processing amount of a memory for storing cumulative distances, and also to provide a voice recognition system, and a program.  <P>SOLUTION: A pattern matching processing part 50 obtains the calculation start positions of the cumulative distances at each standard pattern from a processing start position storage part 60, calculates the optimum cumulative distance between an input voice feature and the feature of each standard pattern within a fixed range from each cumulative distance calculation start position through the use of a DP matching method, and updates the contents of a partial cumulative distance storage part 70. The pattern matching processing part 50 repeatedly performs the processing respectively concerning the whole standard patterns, obtains the standard pattern with the minimum inter-pattern distance between an input pattern and the standard pattern, and outputs it as a recognition result. Since the range to calculate cumulative distance values is restricted to the predetermined range, the voice recognizing pattern matching is processed by a little memory capacity and processing amount.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003314770-A (JP)
Title: Joint for bellows pipe
Inventor: MIYAGAWA SEIICHI
IPC: F16L33/28
Filed: 2002-04-25
Abstract: <P>PROBLEM TO BE SOLVED: To prevent the inside surface of a sealing member from being given, by a bellows pipe, a scratch extending in its insertion direction.  <P>SOLUTION: On the inside surface of the sealing member 4, a small-diameter hole part 4c is formed at an end on the front side of the insertion direction of the bellows pipe G, and a large-diameter hole part 4d is formed at an end on the rear side of the insertion direction. The inside diameter of the hole part 4c is set slightly larger than the outside diameter of a recessed part G2 of the bellows pipe G. The inside diameter of the hole part 4d is set slightly smaller than the outside diameter of a projecting part G1 of the bellows pipe G. An abutting surface 4e is formed between the hole part 4c and the hole part 4d. The abutting surface 4e is formed into a tapered surface reducing its diameter as it approaches the hole part 4c from the hole part 4d. The taper degree of the abutting surface 4e is set slightly smaller than that of a circumferential side face G3 between the recessed part G2 and the projecting part G1 of the bellows pipe G. Thereby, when the bellows pipe G is moved in the arrow direction, a part of the side face G3 on the projecting part G1 side is pressingly brought into contact with the abutting surface 4e.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003318140-A (JP)
Title: Polishing method and device thereof
Inventor: KITAJIMA TOMOHIKO
IPC: B24B37/00
Filed: 2002-04-26
Abstract: <P>PROBLEM TO BE SOLVED: To provide a polishing method and so forth by which appropriate process management and process control can be realized, when a CMP process, especially in forming an STI, is carried out.  <P>SOLUTION: In this polishing method, namely a process monitoring process SP 2, the CMP of an oxide film formed via a nitride film on a silicon wafer where recessed portions such as teaches are formed is carried out by using a cerium-based slurry. The polishing process comprises a first step to a fourth step from planarization of the oxide film up to almost complete exposure of the nitride film. When these steps are sequentially carried out, the change of running torque with the passage of time is monitored. Based on the rate of change, the end point of each step due to the discrimination of each transition point between neighboring steps is detected, and based on the presence and so forth of each transition point, the occurrence of an anomaly or a trouble is detected to interrupt the polishing process.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003324359-A (JP)
Title: Apparatus and circuit for signal reception
Inventor: IMAI MASASHI
IPC: H04N5/44
Filed: 2002-04-26
Abstract: <P>PROBLEM TO BE SOLVED: To reduce mutual interference between a plurality of tuners with a simpler structure.  <P>SOLUTION: A tuner circuit 1 has an input terminal 11 for inputting a broadcast wave generated by modulating a video signal and/or an audio signal in specified format and a mount substrate 13 where a main circuit 12 for selecting the video signal and/or audio signal included in a specified frequency band from the broadcast wave is arranged is equipped with a 1st ground layer 15 on the opposite surface of the mount layer 13 from the surface where the main circuit 12 is arranged across a 1st dielectric layer 14 and also equipped with a 2nd ground layer 17 across a 2nd dielectric layer 16.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003323969-A (JP)
Title: Electromagnetic induction heating cooker
Inventor: SANO CHIHARU
IPC: H05B6/12
Filed: 2002-04-30
Abstract: <P>PROBLEM TO BE SOLVED: To provide an electromagnetic induction heating cooker having a heating cooking mode suitable for deep-frying and a function displaying a required time to reach a predetermined temperature of oil.  <P>SOLUTION: The electromagnetic heating cooker comprises an electromagnetic induction heating coil 16 arranged under a top plate 11, an inverter circuit 31 for driving the coil, a temperature sensor 17 positioned near the top plate 11, an operation panel part 14 having a key switch and a displaying apparatus, and a control part 32 controlling the inverter circuit 31 according to a signal from the temperature sensor 17 and the operation panel part 14. The operation panel part has a deep-flying mode selection key, a temperature setting key and a displaying apparatus capable of displaying a time. The control part 32 performs a process at a certain interval to calculate and display an approximate required time to reach a temperature available for deep-frying, based on a deep-flying temperature set by the temperature setting key and a temperature detected by the temperature sensor 17.  <P>COPYRIGHT: (C)2004,JPO