baber/WOPTO huggingface dataset:
Patent JP-2004328147-A (JP)
Title: Optical transmission line and optical transmission system
Inventor: OKUNO TOSHIAKI
IPC: H04B10/58
Filed: 2003-04-22
Abstract: <P>PROBLEM TO BE SOLVED: To provide an optical transmission line and an optical transmission system capable of sufficiently suppressing waveform deterioration in signal light over a broad wavelength region.  <P>SOLUTION: An optical transmission line 10 interconnects each relay interval in an optical transmission system 1. The optical transmission line 10 consists of a cascade connection of a negative dispersion fiber 11, a positive dispersion fiber 12, and a negative dispersion fiber 13 connected in this order. The negative dispersion fiber 11 has such characteristics that the absolute value of the dispersion slope is ≤0.03 ps/nm<SP>2</SP>/km and the total dispersion is ≤-5 ps/nm at a prescribed wavelength within a region of 1450 to 1600 nm. Further, the negative dispersion fiber 13 has a total dispersion of ≤-5 ps/nm at the prescribed wavelength. Moreover, the sum of the total dispersion of the negative dispersion fiber 11 and that of the positive dispersion fiber 12 is ≥5 ps/nm at the prescribed wavelength.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004002835-A (JP)
Title: Method for producing (meth)acrylic polymer having crosslinkable silyl group on its terminal
Inventor: ONO SHIGEKI
IPC: C08F8/42
Filed: 2003-04-23
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method for producing a (meth)acrylic polymer having a crosslinkable silyl group on its terminals.  <P>SOLUTION: In this production method for a (meth)acrylic polymer having a crosslinkable silyl group on its terminals, the amount of hydrosilylated platinum catalyst used to add a hydorosilane compound having a crosslinkable silyl group to a (meth)acrylic polymer (A) having an alkenyl group on its terminals prepared using an atom translocation radical polymerization is, as the amount of platinum metal, 0.1-10 mg based on 1 kg of the (meth)acrylic polymer (A) having an alkenyl group on its terminals.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004328292-A (JP)
Title: Image processor, image processing method, image forming device provided with the same, program, and recording medium
Inventor: TANIMURA MIHOKO
IPC: H04N1/40
Filed: 2003-04-23
Abstract: <P>PROBLEM TO BE SOLVED: To provide an image processing method, an image processor, an image reader, an image forming device, a program, and a recording medium which determine the number of dot lines of a document image with a simple constitution to reproduce a satisfactory output image.  <P>SOLUTION: A first dot determination part 8 calculated the number of dot region pixels to determine whether the document image includes dots or not, and the number of dot lines is determined by a number of dot line determination part 9 in the case that it is determined that the document image includes dots. The determination part 9 counts two or more kinds of feature variables, for example, the number of times of inversion of input image data and difference values of pixels in a mask, which are obtained from respective pixels of the document image, to calculate the number of dot region pixels. The number of lines of dots is determined in accordance with the ratio of the numbers of dot pixels calculated by the first dot determination part 8 and the determination part 9. A control part 17 controls the determination part 9 so that the number of dot lines is determined only when it is determined that the document image includes dots.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004043779-A (JP)
Title: Heat resistant resin precursor composition and semiconductor device using the same
Inventor: YUMIBA TOMOYUKI
IPC: C08L79/08
Filed: 2003-04-24
Abstract: <P>PROBLEM TO BE SOLVED: To obtain a heat-resistant resin which has enhanced adhesive characteristics to a metallic material.  <P>SOLUTION: A heat-resistant resin precursor composition comprises (a) a polymer mainly composed of a structural unit represented by formula (1) and (b) a compound represented by formula (2). In formula (1), R<SP>1</SP>and R<SP>2</SP>denote each one from a divalent to an octavalent organic radical having at least two carbon atoms and R<SP>3</SP>and R<SP>4</SP>denote each hydrogen, an alkali metal ion, ammonium ion or a 1-20C organic group. In formula (2), R<SP>5</SP>represents a structure having at least two carbon atoms and Z<SB>1</SB>and Z<SB>2</SB>represent each at least a structure selected from structures represented by formula (3) (wherein, R<SP>6</SP>-R<SP>10</SP>represent each hydrogen or a 1-8C organic group; R<SP>11</SP>and R<SP>12</SP>represent each a 1-8C organic group).  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004324515-A (JP)
Title: Fuel injection equipment
Inventor: NAMIMATSU HIROTO
IPC: F02M39/00
Filed: 2003-04-24
Abstract: <P>PROBLEM TO BE SOLVED: To provide fuel-injection equipment having an improved treatability.  <P>SOLUTION: A fuel injection pipe 50 connects a common rail to a fuel-injection nozzle 40. A joint 51 is provided midway in the fuel-injection pipe 50. The joint 51 is positioned closer to the nozzle 40 in the pipe 50 than the part passing between branch pipes 6 of an intake manifold 4. In the joint 51, a nipple and a support are integrally provided, and a fuel pump pipe 52 and a fuel-injection nozzle pipe 53 are screwed respectively on both sides of the nipple. The fuel-injection pipe 50 can be divided at the joint 51. When the nozzle 40 is to be detached for inspection, it is enough if only the nozzle pipe 53 is detached, as a result, the treatability is improved.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004325864-A (JP)
Title: Hardening composition containing coloring agent, color filter, and its manufacturing method
Inventor: ARAKI KATSUMI
IPC: G02F1/1335
Filed: 2003-04-25
Abstract: <P>PROBLEM TO BE SOLVED: To provide a hardening composition containing a coloring agent having high sensitivity, wide development latitude, excellent light resistance, heat resistance, and pattern forming property (developing property), causing no elution of a dye after hardening, having excellent solvent resistance and liquid preservability as a liquid composition, and forming a pattern image with high resolution.  <P>SOLUTION: The hardening composition containing a coloring agent contains a binder and a coloring agent. The coloring agent contains a compound expressed by a general formula (I). In the general formula (I): each of R<SP>1</SP>and R<SP>2</SP>represents a hydrogen atom, 1-21C alkyl group, 2-21C alkenyl group, 7-21C aryl group or 7-21C aralkyl group, and R<SP>1</SP>and R<SP>2</SP>can be same or different from each other or can form a heterocycle with nitrogen atoms coupled with them; and R<SP>3</SP>represents a cation of a hydrogen atom, a metal atom or a cation of a nitrogen-containing compound.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004322284-A (JP)
Title: Application device of protective layer forming material
Inventor: YUKANAMI HIDEHIKO
IPC: B05C1/02
Filed: 2003-04-28
Abstract: <P>PROBLEM TO BE SOLVED: To verify whether a roller holding holder is arranged in a supposed proper position and an attitude.  <P>SOLUTION: A teaching operable robot is arranged in the vicinity of a carrying line for successively carrying vehicles. The robot is provided with a freely rotatable roller 48 of a construction material capable of absorbing and storing a protective layer forming material. An attitude confirming tool 200 having a first pointer 208, a second pointer 210, and a third pointer 212, is arranged in the vicinity of the robot. A first hole 120, a second hole 122, and a marker 124 are arranged in the holder 86 for holding the roller 48. The position and the attitude of the roller 48 are confirmed by respectively adjusting the first hole 120, the second hole 122, and the marker 124 to the first pointer 208, the second pointer 210, and the third pointer 212.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004333748-A (JP)
Title: Optical fiber coupler and method for manufacturing the same
Inventor: MATSUMOTO RYOKICHI
IPC: G02B6/287
Filed: 2003-05-06
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method for manufacturing a wavelength flat type optical fiber coupler with very small variation in insertion loss temperature in a wide temperature region.  <P>SOLUTION: As to a plurality of adjacent optical fibers as materials, their clad diameters are made thin and the diameters are made equal to each other by using methods different from each other as a preparation process for melt stretching, and thereafter the wavelength flat type optical fiber coupler is manufactured by using a melt stretching method. Consequently, the variation in the insertion loss temperature can be made extremely small in spite of a large temperature change (-40 to +85°C) over a wide wavelength range (1,250 to 1,600 nm), and the use of the coupler as components for outdoor facilities is realized.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004335883-A (JP)
Title: Semiconductor storage
Inventor: IKEHASHI TAMIO
IPC: H01L21/8242
Filed: 2003-05-09
Abstract: <P>PROBLEM TO BE SOLVED: To provide a semiconductor storage capable of a high-speed read and having memory cells of an one transistor/one memory-cell structure formed on an SOI substrate.  <P>SOLUTION: The semiconductor storage has an element substrate having a semiconductor layer which is separated from an underlying substrate via an insulation layer and has a plurality of memory cells arranged and formed in the semiconductor layer of the element substrate. Each memory cell has a MOS-transistor structure having a floating-state body. Further, the semiconductor storage has a memory-cell array for storing data by bringing the body into a majority-carrier accumulating state, and has sensing-amplifier circuits for so reading the data of the selected memory cell of the memory-cell array as to store the data in data latches and for so transferring the read data to an output circuit as to return and write the data at the same time into the selected memory cell.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004144285-A (JP)
Title: Actuator device
Inventor: KAWADA DAISAKU
IPC: F16H25/24
Filed: 2003-05-12
Abstract: <P>PROBLEM TO BE SOLVED: To provide an actuator device capable of preventing the generation of the rotation moment that causes lowering of workability and durability, at a ball screw nut by an external force exerted on a ball screw nut through a coupling shaft.  <P>SOLUTION: The central axes of coupling shafts 30a and 30b intercoupling a lever and a ball screw nut 232 are situated on a straight line 32 passing through the general central center O of a spiral ball rolling passage formed between a ball screw shaft 231 and the ball screw nut 232, and orthogonal to the central axis CL of the ball screw shaft 231.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004337652-A (JP)
Title: Wet electrostatic precipitator
Inventor: UEDA YOSHIHIRO
IPC: B03C3/47
Filed: 2003-05-13
Abstract: <P>PROBLEM TO BE SOLVED: To provide a wet electrostatic precipitator which can continuously collect dust by eliminating the interruption of dust collection for washing a discharge electrode and a dust collecting electrode and can eminently reduce the amount of washing water to be used.  <P>SOLUTION: In the one-step charging type wet electrostatic precipitator, a housing 10 has a plurality of dust collection chambers 18 adjoining each other horizontally, a dust-containing gas introduction pipe 20 is connected to the lower part of the housing 10 through a humidifier 30 for humidifying the dust-containing gas, a packed bed 40 is arranged at just under the dust collection chamber 18, each of dust collection units 50 is housed in each dust collection chamber 18, a clean gas channel 22 having a channel opening/closing means 23 is connected to the outlet of each dust collection chamber 18, each dust collection unit 50 is independently capable of electric supply and washing spray, and each channel opening/closing means 23 can independently do opening/closing.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004043181-A (JP)
Title: Roller conveyor
Inventor: WARNECKE KARL
IPC: B65G13/08
Filed: 2003-05-13
Abstract: <P>PROBLEM TO BE SOLVED: To provide a roller conveyor capable of driving a curved area by means of a belt capable of supporting rollers.  <P>SOLUTION: In this roller conveyor provided with the rotary rollers for conveying articles and a belt, which is arranged under the rollers to drive the rollers, the belt is adjusted in a perpendicular direction practically, and a chain of profile members are arranged on the upper end section of the belt so as to come into contact with rollers, and a chain of the profile members are designed so as to be wider than the belt and overhang on both sides across the belt.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004347136-A (JP)
Title: Indoor unit for air-conditioner
Inventor: YAMAGUCHI GENJI
IPC: F24F13/20
Filed: 2003-05-14
Abstract: <P>PROBLEM TO BE SOLVED: To provide an indoor unit for an air-conditioner having improved manufacturing property by allowing the attachment of a wire guard on a vertical grill assembly having a plurality of vertical grills to be detachably mounted in an air outlet to facilitate the fabrication of types requiring the wire guard for the air outlet separately from types not requiring it.  <P>SOLUTION: The indoor unit for the air-conditioner comprises an indoor heat exchanger 3 and a blower 4 stored in an indoor unit body 2. The vertical grill assembly 6 having the plurality of vertical grills and the wire guard 7 is detachably mounted in the air outlet 1a of the indoor unit body 1.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004340672-A (JP)
Title: Time setting method and time setting device
Inventor: SHIODA NORIYUKI
IPC: G04G5/00
Filed: 2003-05-14
Abstract: <P>PROBLEM TO BE SOLVED: To set time on an RTC (real time clock) not holding time for digits of shorter than a second with an accuracy shorter than a second based on time information having an accuracy shorter than a second.  <P>SOLUTION: With respect to a timepiece capable of running on a battery and a device having a clock generator with cycles shorter than those of the timepiece, a method is provided for synchronizing the timepiece with time information having digits of shorter than a second. This method comprises a step for adding a first time period corresponding to the characteristic of the timepiece to a time period obtained from the time information, a step for dividing information on time to which the time period is added between information on time of a second or longer and information on time shorter than a second, a step for adding cycle time to the information on time shorter than a second for each of the cycle times of the clock generator, and a step for determining whether the information on time shorter than a second has been carried to that of a second or longer. Based on a determination result by the determination step, a second time period corresponding to the characteristic of the timepiece is added to the information on time of second or longer, and what is thus obtained is set on the timepiece.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004341764-A (JP)
Title: Recognition method and recognition device
Inventor: TAKIGUCHI MITSURU
IPC: G06K7/00
Filed: 2003-05-15
Abstract: <P>PROBLEM TO BE SOLVED: To recognize the contents of a document having a character area and a two-dimensional code area.  <P>SOLUTION: This recognition device 10 is configured to recognize the contents of a document having a character area and a two-dimensional code area where the contents of the character area are turned into two-dimensional codes, and to obtain a character code. This recognition device 10 is provided with a character area recognition part 13 to perform character recognition to obtain the character code of a character shown in the character area, a two-dimensional code area recognition part 16 to perform character recognition to obtain a character code shown by the two-dimensional code shown in the two-dimensional code area and a recognition result deciding part 17 to, when the character code is obtained by the recognition of the two-dimensional code, adopt the character code as the recognition result, and to, when any character code is not obtained by the recognition of the two-dimensional code, adopt the character code obtained by the character recognition of the character area as the recognition result.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004342434-A (JP)
Title: Fuel cell
Inventor: IWASAKI FUMIHARU
IPC: H01M8/04
Filed: 2003-05-15
Abstract: <P>PROBLEM TO BE SOLVED: To provide a fuel cell enhancing power generation efficiency without using a heater or the like consuming power by including a material generating heat by absorbing an electromagnetic wave on the inside of the fuel cell or in a member constituting the fuel cell.  <P>SOLUTION: Positive electrode fuel such as air or oxygen gas is introduced from a positive electrode fuel introducing port 13 and diffused in a positive electrode diffusion layer 11. The diffused positive electrode fuel comes in contact with a catalyst in the positive electrode catalyst layer 12 and oxygen ions are produced. Negative electrode fuel such as hydrogen gas or methanol is introduced from a negative electrode introducing port 23, diffused in a negative electrode diffusion layer 21, and the diffused negative electrode fuel comes in contact with a catalyst in the negative electrode catalyst layer 22, hydrogen ions are produced, permeate an electrolyte membrane 3, react with the oxygen ions, and water is produced. Electrons generated in this reaction are taken out of an electricity taking out port 24 as electric power.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004003480-A (JP)
Title: Lubrication system for engine and its operating method, lubricant removing method, change over valve, and lubricant sump
Inventor: WILLIAMS DAVID
IPC: F01M11/02
Filed: 2003-05-15
Abstract: <P>PROBLEM TO BE SOLVED: To provide an engine lubrication system for completely eliminating defects when using a mechanical-driven pump by using an electric-driven pump in place of the mechanical-driven pump.  <P>SOLUTION: This engine lubrication system 10 comprises a lubricant sump 11, an electric-driven pump 12 to feed a lubricant to a lubrication position in an engine along a lubricant feed pipe 13, and a lubricant regulator 15. The electric-driven pump 12 is controlled by a system control device 16. A change over valve 18 controlled by the control device 16 is provided so as to selectively deviate at least a part of the lubricant from the lubricant feed pipe 13 to the lubrication regulator 15.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004342859-A (JP)
Title: Method of manufacturing multilayer circuit board
Inventor: HAYASHI YOSHITAKE
IPC: H05K3/46
Filed: 2003-05-16
Abstract: <P>PROBLEM TO BE SOLVED: To provide a manufacturing method of a multilayer circuit board with high reliability in connection of circuit boards.  <P>SOLUTION: A via hole 8 is formed in a tacky resin sheet 1 formed of thermosetting resin, and the via hole 8 is filled with conductive paste 9. The tacky resin sheet 1 and a component 11 are arranged between a plurality of the circuit boards 10 and a plurality of the circuit boards 10 are stacked. They are heated under pressurization, and the tacky resin sheet 1 is heat-cured. Consequently, a plurality of the circuit boards 10 are connected by a conductive paste 9, and the component 11 is embedded in the tacky sheet 1. Thermosetting resin at a periphery of the via hole 8 is previously cured before the via hole 8 is filled with the conductive paste 9.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004056992-A (JP)
Title: Dc-dc converter
Inventor: INOUE MANABU
IPC: H02M7/21
Filed: 2003-05-19
Abstract: <P>PROBLEM TO BE SOLVED: To provide a DC-DC converter with high general purpose properties having a superior response speed by regenerating energy to input side and thus increasing an energy efficiency, at transient state in which an output power is rapidly decreased and when starting.  <P>SOLUTION: The DC-DC converter has an exclusive operation mode (standby operation mode) for reducing power consumption at a light load condition such as during standby. The converter includes a circuit for detecting rapid decrease in output power is provided to output the results of comparison between an upper limit output voltage E1 which is higher by the predetermined voltage than a target output voltage E0 and output DC voltage V<SB>0</SB>. If the output DC voltage V<SB>0</SB>is higher than the upper limit output voltage E1, the converter does not enter the standby operation mode, but the converter is configured so as to improve the response speed at which the output DC voltage V<SB>0</SB>reaches the target output voltage E0 with high efficiency.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004345175-A (JP)
Title: Heat treatment method for wood
Inventor: MIYATA TATSUFUMI
IPC: B27K5/00
Filed: 2003-05-21
Abstract: <P>PROBLEM TO BE SOLVED: To suppress the cracking or warpage of wood possible to occur at the time of heat treatment of wood for the purpose of enhancing the surface hardness or dimensional stability of wood.  <P>SOLUTION: Wood W is housed in a hermetically sealed space S formed between upper and lower hot platens 1a and 1b in a heated and compressed state and high pressure steam is supplied into the hermetically sealed space S to apply high pressure steam treatment to the wood. At this time, the side surface on the side crossing the fiber direction of the wood W to be treated at a right angle is pressed by a jig 10 (longitudinal jig members 11a and 11b) to apply heat treatment to the wood W in a state that the thermal expansion in the direction crossing the fiber direction of the wood W at a right angle is suppressed.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004322201-A (JP)
Title: Manufacturing device of billet for molding metal in solid-liquid coexisting state
Inventor: HONG CHUNPYO
IPC: B22D17/30
Filed: 2003-05-21
Abstract: <P>PROBLEM TO BE SOLVED: To provide a manufacturing device of a billet for semi-solid molding which can obtain more minute and uniform spherical particles, and which can realize advantages such as the improvement of energy efficiency, the saving and the reduction in manufacturing costs, the improvement of mechanical properties, the simplification of a casting process, and the shortening of manufacturing time.  <P>SOLUTION: The other end side of a second sleeve 22 is turned downward and it is closed by a second plunger 32. The electromagnetic field is impressed to the second sleeve 22 with an agitation part 1. A semi-solid metallic slurry is manufactured by pouring molten metal M from one end side of the second sleeve 22. The other end side of the second sleeve 22 is turned upwardly and the second sleeve 22 is made to communicate with a first sleeve 21. A first plunger 31 in the first sleeve 21 is fixed. The billet for the semi-solid molding is formed by pressurizing the semi-solid metallic slurry in the second sleeve 22 with the second plunger 32.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2003338010-A (JP)
Title: Magnetic head slider assembly and its manufacturing method
Inventor: GLEN GARFUNKEL
IPC: G11B5/31
Filed: 2003-05-21
Abstract: <P>PROBLEM TO BE SOLVED: To provide a magnetic head slider assembly having good heat radiation characteristics during the operation of a magnetic head.  <P>SOLUTION: This magnetic head slider assembly is arranged on the yoke 6B of an upper magnetic pole 6, and provided with a heat sink layer 60 for conducting heat to the yoke 6B. When an overcoat layer 2 is made of alumina having low heat conductivity, heat generated during the operation of a magnetic head 12 is conducted from the yoke 6B to the heat sink layer 60, and the heat is smoothly radiated through the heat sink layer 60. In this case, since heat radiation characteristics are improved by an amount equal to the heat radiation operation of the heat sink layer 60 compared with a conventional magnetic head slider assembly not equipped with a heat sink layer 60, less heat is accumulated. Thus, good heat radiation characteristics are secured during the operation of the magnetic head 12.  <P>COPYRIGHT: (C)2004,JPO