baber/WOPTO huggingface dataset:
Patent JP-2004297560-A (JP)
Title: Optical wavelength division multiplexing transmission network apparatus, wavelength router, and transmitter-receiver
Inventor: NOGUCHI KAZUTO
IPC: H04B10/29
Filed: 2003-03-27
Abstract: <P>PROBLEM TO BE SOLVED: To perform optical wavelength division multiplexing transmission at a low cost with low power consumption by eliminating the need for temperature control for stabilizing a laser stimulated wavelength.  <P>SOLUTION: An optical wavelength division multiplexing transmission network apparatus comprises a wavelength router 109 having N-sets of input ports and N-sets of output ports and M-sets of transmitter-receivers 101 to 104 optically connected to prescribed input/output ports of the wavelength router 109, and the transmission band of the wavelength router 109, the optical demultiplexer 107 and the optical multiplexer 108 of the transmitter-receivers 101 to 104 is set to be a stimulated wavelength shift width or over caused by the temperature variations in a transmission circuit 106 of the transmitter-receivers 101 to 104 and the center wavelength of the transmission band is deviated toward a wavelength longer than an ITU-T grid wavelength.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004296938-A (JP)
Title: Multilayered circuit board
Inventor: OGATA RYOKICHI
IPC: H01B1/22
Filed: 2003-03-27
Abstract: <P>PROBLEM TO BE SOLVED: To provide conductive paste and a multilayered circuit board using the same, capable of preventing reduced compounding intensity and increased conductive resistance, restraining warp of a laminated body.  <P>SOLUTION: A multilayered wiring board 10 includes a laminated body 1 on which an insulating layers 1a-1h formed of a plurality of glass-ceramic materials laminated; an internal wiring layer 4 formed between each insulating layer 1a-1h of the laminated body 1; a surface wiring layer 2 formed on the surface of the laminated body 1; and a via hole conductor 3 penetrating through the thickness direction of each insulating layer 1a-1h. At least on one of the surface wiring layer 2, the via hole conductor 3 and the internal wiring layer 4, the conductive paste including metal powder of Ag, or of which major component is Ag, an organic metal compound having Ba (or both Ba and Ca) as major component, and organic vehicle is baked.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004301977-A (JP)
Title: Retroreflector
Inventor: FUJITA SATOSHI
IPC: E01F9/576
Filed: 2003-03-31
Abstract: <P>PROBLEM TO BE SOLVED: To provide a retroreflector which can be clearly visually confirmed any time day or night and even at dawn or at dusk and visually confirmed without assimilating a background even in a snowy region.  <P>SOLUTION: By providing a white translucent intermediate film on the upper side of base material having retro-reflectivity and providing a color transparent layer on the upper side of the intermediate film further, the color of the color transparent layer is visually confirmed by a driver because sunlight is reflected by the white translucent intermediate film under bright environment in the daytime, and the compound color of the base material and the transparent layer is visually confirmed by the driver because the light of the headlight of an automobile is transmitted through the translucent intermediate film and reflected by the base material having the retro-reflectivity when it is dark, whereby the retroreflector which is extremely excellently visually confirmed any time day or night by controlling the color of the base material and the transparent layer is provided.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004303569-A (JP)
Title: Light emitting device
Inventor: KATO AKIHIRO
IPC: H05B33/14
Filed: 2003-03-31
Abstract: <P>PROBLEM TO BE SOLVED: To provide a light emitting device capable of exerting excellent durability without causing deterioration caused by moisture even if any kind of a phosphor or organic EL light emitting element is used.  <P>SOLUTION: This light emitting device 1 is composed by forming an envelope into a double structure for housing a second glass tube 3 inside a first glass tube 2, and an illuminant formed of an organic EL light emitting element 4 (electroluminescence) between the first glass tube and the second glass tube. The organic EL light emitting element is made to emit light by applying a voltage between leads 5.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004303622-A (JP)
Title: Nonaqueous electrolyte secondary battery and its manufacturing method
Inventor: SHOJI YOSHIHIRO
IPC: H01M10/0525
Filed: 2003-03-31
Abstract: <P>PROBLEM TO BE SOLVED: To provide a nonaqueous electrolyte secondary battery using an electrode formed causing little rupture of a pole plate when pressurizing and compressing an active material mix layer, and its manufacturing method.  <P>SOLUTION: In this nonaqueous electrolyte secondary battery having a wound electrode body wherein a positive electrode or a negative electrode formed by applying an electrode mix 17 containing a positive electrode or negative electrode active material capable of occluding and discharging lithium ions onto both surfaces of metallic core body foil 11 are laminated and wound through a separator, throughout a prescribed range W longitudinally extended by not less 0.5 mm, preferably not less than 0.5 mm and not more than 5 mm, from the boundary with the uncoated portion of the positive electrode mix layer or the negative electrode mix layer of the metallic core body foil, the thickness of the positive electrode mix layer or the negative electrode mix layer is made thinner than the thickness of the mix layer in the range other than the above range. In this case, the filling density of the positive electrode mix layer can be set at not less than 3.5 g/cm<SP>3</SP>, and the filling density of the negative electrode mix layer can be set at 1.5 g/cm<SP>3</SP>or more.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004303090-A (JP)
Title: Information collecting server in electronic investigation, information collecting method, information collecting program and recording medium
Inventor: UEDA HIROO
IPC: G06Q50/10
Filed: 2003-03-31
Abstract: <P>PROBLEM TO BE SOLVED: To provide a system for making an investigation principal such as a public organization transmit and receive an investigation slip to be executed through the Internet with an investigation object, and efficiently collect investigation data.  <P>SOLUTION: This information collecting server in an electronic investigation system for collecting investigation data through the Internet comprises a means for preliminarily setting investigation data in an investigation data base prior to the start of investigation when the previous investigation data are present in a client to be investigated based on a data base in which the history data of each client are stored, a means for referring to the investigation slip data base upon receiving a sending request of an investigation slip from the objective client, and for transmitting a desired investigation slip format and preliminarily set investigation data to the objective client, a means for receiving the investigation data from the client, and storing the data in the investigation slip data base when the objective client interrupts or completes the input and a means for inhibiting the information change of the client to the investigation slip data base in receiving the completion of the data input to the investigation slip from the objective client. Thus, it is possible to achieve operability, maintainability, and operational simplicity in the electronic investigation system for electronically transmitting and receiving the investigation slip in a Web environment through the Internet to collect the investigation data.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004306292-A (JP)
Title: Image formation device
Inventor: TAKADA SHINICHI
IPC: H04N1/053
Filed: 2003-04-02
Abstract: <P>PROBLEM TO BE SOLVED: To provide an image formation device which can main-scan at all positions on a main scanning line by a proper velocity without being influenced by the variation in characteristics of an f-θ lens, the variation in wavelength of a laser light, the variation in rotation speed of a polygon mirror, the variation or the like in characteristics of f-θ lens due to an environment temperature or the like.  <P>SOLUTION: A modulation coefficient is set for each of a plurality of divided segments of the main scanning line at the time of exposing scanning a photoreceptor by an image light. When an image clock signal for exposure control which has a period value obtained by sequentially adding a period value as a multiplied value of the set modulation coefficient and a period value of a reference clock signal to an initial period value in accordance with the progress of the segments, is sequentially generated for each segment, a phase difference between a detection timing of a terminal end of the main scanning line and a generation timing of the last image clock signal of the last segment is detected, and the modulation coefficient of each segment except the segment related to a starting end addition clock signal is corrected on the basis of the phase difference related to the detection.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004308970-A (JP)
Title: Heat exchanger
Inventor: WADA NAOKI
IPC: F02B29/04
Filed: 2003-04-03
Abstract: <P>PROBLEM TO BE SOLVED: To provide a heat exchanger capable of providing required characteristics to a lead-in tank and a lead-out tank for heat exchange medium and increasing the performance of a device while preventing cost from being unnecessarily increased.  <P>SOLUTION: This heat exchanger comprises a heat exchange core part, the lead-in tank installed on the outside of the heat exchange core part and leading the heat exchange medium to the heat exchange core part, and the lead-out tank leading the heat exchange medium from the heat exchange core part. The lead-in tank and the lead-out tank are formed with different materials.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004309222-A (JP)
Title: Rotary angle detector
Inventor: NITTA SHIGENORI
IPC: G01B21/22
Filed: 2003-04-03
Abstract: <P>PROBLEM TO BE SOLVED: To provide a rotary angle detector for improving reliability for detecting the rotary angle of a rotor.  <P>SOLUTION: A first analog signal An1, a second analog signal An2, a third analog signal, and a fourth analog signal are composed so that phases are shifted by 1/4 period in this order. When each analog signal includes noise, the voltage value changes. A microcomputer judges whether a first tangential angle θf1 obtained, based on the first and second analog signals An1, An2 coincides with a second tangential angle obtained, based on the third and fourth analog signals, judges to be normal when they are judged to be conforming, and judges that noise is included in the analog signal when they are judged to be nonconforming.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004309869-A (JP)
Title: Atlas having holes
Inventor: UENO JUNICHI
IPC: G09B25/04
Filed: 2003-04-08
Abstract: <P>PROBLEM TO BE SOLVED: To explicitly indicate which positions of respective stories are connected with stairs in a structure which has a plurality of floors like a subway station.  <P>SOLUTION: In this atlas having holes, the plane figures of the respective floors of a structure are drawn on the front sides of respective paper sheets with an identical reduced scale, and these plane figures are arranged in a hierarchical order so that the stairs of the identical positions of the respective floors overlap and stairs which lead to down stairs are constituted of holes in the respective paper sheets. Since the stairs of the respective floors are communicated with holes, a passenger only needs to walk by following holes of stairs, so that the passenger can reach easily a target location from an entry on the ground, for example, to the platform of each subway.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004305557-A (JP)
Title: Energy saving heat preservation method and electric hot water storage pot applying the same
Inventor: MIYAMAE SHOJI
IPC: A47J27/21
Filed: 2003-04-09
Abstract: <P>PROBLEM TO BE SOLVED: To appropriately save energy by a simple determination operation.  <P>SOLUTION: This electric hot water storage pot saves energy to preserve liquid contents 71 at a general heat preservation temperature or a temperature lower than that, continuously preserve its using state and is actually used by a delivery operation. This pot automatically determines the presence/absence of the actual use by the temperature of a delivery system 25 or the vicinity thereof, determines a time zone suited to the energy saving heat preservation based on the lapse time results of the determined presence/absence of the actual use, sets an energy saving time zone hereafter and, when reaching the energy saving time zone, changes the heat preservation temperature from the general heat preservation.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004312568-A (JP)
Title: Detecting method of electronic watermark information based on format information
Inventor: ECHIZEN ISAO
IPC: H04N1/387
Filed: 2003-04-10
Abstract: <P>PROBLEM TO BE SOLVED: To provide an apparatus and method for efficiently detecting watermark information on the basis of format information acquired from content data.  <P>SOLUTION: The method includes a first step of acquiring the format information from the content data and extracting an area to be a detection target of contents on the basis of the format information, and a second step of detecting information from the extracted area of the contents. A plurality of detection areas predetermined from the format information are determined and when information cannot be detected from the extracted detection area, the other detection area is extracted to try the detection of information again.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004312955-A (JP)
Title: Overcurrent detecting circuit and motor drive
Inventor: YAMAGUCHI OSAMU
IPC: H03K17/64
Filed: 2003-04-10
Abstract: <P>PROBLEM TO BE SOLVED: To provide a circuit insusceptible to leakage inductance even with a low resistance and capable of detecting the overcurrent of a load with high accuracy, and to provide a motor drive mounting it.  <P>SOLUTION: The overcurrent detecting circuit comprises a resistor 1 connected between at least one of (+) and (-) terminals for connecting a DC power supply and a switching element group 5 in order to detect an overcurrent, a filter circuit 2 connected across the resistor 1 and compensating a time constant dependent on the resistance and the leakage inductance, and a circuit 3 for comparing the output level of the filter circuit 2 with a reference level as an overcurrent level and outputting a signal for stopping driving of the switching element when the reference level is exceeded. Overcurrent detection accuracy and response are sustained by compensating the time constant dependent on the resistance of the resistor 1 and the leakage inductance and approximating an actual current waveform to a detected voltage waveform.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004122231-A (JP)
Title: Compound pressing device and compound pressing method
Inventor: ATSUTA HIROSHI
IPC: B21D22/02
Filed: 2003-04-11
Abstract: <P>PROBLEM TO BE SOLVED: To reduce the number of pressing steps, the die manufacturing cost and the pressing cost by continuously performing the side pressing to a work from a side surface direction by utilizing a press to perform the pressing in the vertical direction.  <P>SOLUTION: A pressing device comprises an upper die 7 fixed to an elevating/lowering side part of a press machine 1 and a lower die 8 fixed to a fixed side part of the press machine 1, and further comprises a pressing unit to press a work W in cooperation with the upper die 7 and the lower die 8. A side surface pressing device 17 to perform the side surface pressing of a side surface portion of the work W in cooperation with the lower die 8 is provided on the fixed side part of the press machine 1 at the side position of the lower die 8. The side surface pressing device 17 comprises a rotary table 18, a carriage 19, a side surface pressing unit and a reciprocating means.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004316300-A (JP)
Title: Method of manufacturing door
Inventor: KURODA KAZUO
IPC: E06B3/76
Filed: 2003-04-17
Abstract: <P>PROBLEM TO BE SOLVED: To firmly fix a decorative molding manufactured from a metal plate, to a decorative recessed part of a surface panel not to come off.  <P>SOLUTION: In the method of manufacturing a door, the decorative molding 2 is fitted and fixed into the decorative recessed part 3 of the surface panel 1. The decorative molding 2 is formed by cutting the metal plate by an NC laser machining device and forming the outer peripheral surface as an oxidized rugged surface 5. The surface panel 1 is provided with the decorative recessed part 3 by pressing a surface treated metal plate 8 with a cushioning layer 4 laminated on the surface of a metal plate 7, by an NC turret punch press 10. The surface panel 1 is provided with the decorative recessed part 3 by carrying out repeated pressing by a pressing part 11a of a die 11 while moving one or both of the surface treated metal plate 8 and die 11 at prescribed pitches. The decorative molding 2 is fitted and fixed into the decorative recessed part 3 of the surface panel 1 to bring the oxidized rugged surface 5 of the decorative molding 2 into close contact with the cushioning layer 4 on the inner peripheral surface of the decorative recessed part 3.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004322778-A (JP)
Title: Vehicular sun visor and its manufacturing method
Inventor: OGAWA HIROTO
IPC: B60J3/02
Filed: 2003-04-23
Abstract: <P>PROBLEM TO BE SOLVED: To provide a vehicular sun visor and its manufacturing method capable of achieving cost reduction by preventing a welding failure even if the plating thickness of a surface material formed of a cloth material such as woven cloth and nonwoven cloth is relatively small.  <P>SOLUTION: The surface materials 22, 23 formed of the weldable cloth materials such as the woven cloth and the nonwoven cloth for forming a core body 11 and a skin 20 and an welding reinforcing material 30 formed of the same materials of the surface materials 22, 23 or materials having compatibility with the surface materials 22, 23 are prepared, respectively. The surface materials 22, 23 are set between a pair of welding molds 51, 55 interposing the core body 11, and the welding reinforcing material 30 is provided between overlapped sections protruded and overlapped out of peripheral parts of both surfaces of the core body 11. After that, a pair of the welding molds 51, 55 are closed to weld 40 the overlapped sections of the surface materials 22, 23 by the welding reinforcing material 30, thus forming a sun visor body 10.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004323912-A (JP)
Title: High strength coil spring, and method for manufacturing the same
Inventor: YOSHIKAWA HIDETOSHI
IPC: C21D9/02
Filed: 2003-04-24
Abstract: <P>PROBLEM TO BE SOLVED: To provide a coil spring (a high strength coil spring) of excellent set-in resistance and durability which is suitably applied to a valve spring for an automobile sustained under progressively high stress level in recent years.  <P>SOLUTION: A wire of the tensile strength of ≤ 1,600 MPa is formed of steel as a material, the wire is cold-formed into a coil, and hardened/tempered so that residual austenite amount is ≤ 3%. Steel containing, by mass, 0.50-0.90% C and 0.80-2.10% Si is preferably used for the material. The heat treatment is preferably induction hardening and induction tempering. Quenching is preferable even after tempering.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004187669-A (JP)
Title: Alkaline protease
Inventor: SATO TAKESHI
IPC: C12N1/19
Filed: 2003-04-25
Abstract: <P>PROBLEM TO BE SOLVED: To provide a technique for enhancing secretory capacity of a specified alkaline protease.  <P>SOLUTION: The alkaline protease has a prepro sequence, wherein the prepro sequence comprises a variant prepro sequence in which an amino acid residue at a 52 position (a), a 75 position (b) or a 142 position (c) in a specified amino acid sequence, or each of other positions corresponding to the above positions in another amino acid sequence having a homology of ≥80%, to the specified amino acid sequence is substituted by a specified amino acid as follows: an aspartic acid or arginine residue for the position (a); an alanine or arginine residue for the position (b); and a lysine residue for the position (c), and a mature enzyme thereof comprises the specified amino acid sequence or the other amino acid sequence having the homology to the specified amino acid sequence of ≥80%. A gene encoding the alkaline protease, a vector containing the gene, and a transformant are provide, respectively.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004322054-A (JP)
Title: Continuous centrifuge
Inventor: AIZAWA MASAHARU
IPC: B04B1/00
Filed: 2003-04-28
Abstract: <P>PROBLEM TO BE SOLVED: To provide an airtight continuous centrifuge which is constituted so that the centrifuge with a rotor fit can be sterilized by steam, that is general and effective as a sterilizing method, and a sample flow passage can be cleaned by an alkaline detergent having excellent detergency and the rotor and core of which have excellent strength and endure powerful centrifugal acceleration.  <P>SOLUTION: The core of this centrifuge is composed of a metallic material-made cylindrical barrel part and end plates to be fit to both ends of the barrel part and has a screw coupling part on the back side for coupling the barrel part with each of the end plates and a fitting part on the front side for securing dimensional accuracy between the barrel part and each of the end plates. A butting end face is arranged on each of the barrel part and the end plates for regulating the penetration depth of a screw when the barrel part is coupled with each of the end plates by the screw. After the barrel part is coupled with each of the end plates by the screw at the prescribed position, a gap to be formed on the outer surface when the barrel part is fit to each of the end plates is welded all around the periphery. A welded seam is finished smoothly.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004332252-A (JP)
Title: Locking device
Inventor: HASHIMOTO MASAHIKO
IPC: E05B47/00
Filed: 2003-04-30
Abstract: <P>PROBLEM TO BE SOLVED: To provide a locking device for preventing forced unlocking by a size of a distance between mutual closed opening-closing devices when a dead bolt fastens a lock.  <P>SOLUTION: This locking device 3 has a base board 6 arranged in a sash door 1R, the dead bolt 8 equipped on the base board 6, and capable of going in and out of an opening-closing operation area of the sash doors 1L and 1R, a driving mechanism 10 equipped on the base board 6, and pushing out the dead bolt 8 so as to project to the opening-closing operation area of the sash doors 1L and 1R, and a receiving member 5 arranged in the other of the sash door 1L, and regulating opening of the sash doors 1L and 1R, by receiving the dead bolt 8 projected by the driving mechanism 10. The driving mechanism 10 is provided with a helical spring 34 for further energizing the dead bolt 8 to the receiving member 5 side, when the dead bolt 8 abuts on the receiving member 5.  <P>COPYRIGHT: (C)2005,JPO&NCIPI