baber/WOPTO huggingface dataset:
Patent JP-2004307597-A (JP)
Title: Method for producing polyethylene terephthalate
Inventor: MUKAI NOBUTADA
IPC: C08G63/85
Filed: 2003-04-04
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method for producing a polyethylene terephthalate in high catalytic activity.  <P>SOLUTION: The method for producing the PET comprises in polycondensing a low-order condensate between terephthalic acid and ethylene glycol in the presence of a catalyst in a liquid phase to give a liquid-phase polycondensed PET and then polycondensing the liquid-phase polycondensed PET in a solid phase to give the PET, using a titanium-based catalyst as a catalyst and polycondensing the liquid-phase polycondensed PET having a COOH group concentration of ≤50 equivalents/ton in a solid phase. The titanium-based catalyst is a hydrolyzate of a titanium halide, a solid titanium complex obtained by dehydrating and drying the hydrolyzate in the presence of a polyhydric alcohol, a solution obtained by dissolving the hydrolyzate or the solid titanium complex in a solution containing ethylene glycol, a hydrolyzate of a mixture of a titanium halide and a compound of at least one kind of an element selected from elements except titanium, a solid titanium complex obtained by dehydrating and drying this hydrolyzate in the presence of a polyhydric alcohol or a solution obtained by dissolving this hydrolyzate or the solid titanium complex in a solution containing ethylene glycol.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004311640-A (JP)
Title: Treatment vessel
Inventor: MORIYA SHUJI
IPC: H01L21/3065
Filed: 2003-04-04
Abstract: <P>PROBLEM TO BE SOLVED: To provide a treatment vessel of low cost and light weight wherein upsizing is easy.  <P>SOLUTION: Double skin structure is applied to a plate-like element 30 which constitutes the treatment vessel. Namely, the plate-like element 30 is provided with an inner plate 31 which forms the inner wall of a treatment space, an outer plate 32 which encloses the inner plate 31 being isolated by a specified distance from the inner plate 31, and a rib plate 33 which is arranged between the inner plate 31 and the outer plate 32. The rib plate 33 has a shape bent by a specified pattern, and hollow structure is formed between the inner plate 31 and the outer plate 32.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004311779-A (JP)
Title: Semiconductor wafer storage container and method for conveying semiconductor wafer
Inventor: TANAKA KIYOBUMI
IPC: H01L21/68
Filed: 2003-04-08
Abstract: <P>PROBLEM TO BE SOLVED: To provide a semiconductor wafer storage container and a method for conveying it capable of safely conveying a thinned semiconductor wafer having a large diameter without being damaged.  <P>SOLUTION: The semiconductor wafer storage container 10 having a storing part 13 capable of storing a semiconductor wafer W in a horizontal state comprises an upper case 11 and a lower case 12 mutually opposite each other. Elastic films 21 and 22 are provided to openings of the upper case 11 and the lower case 12, respectively. The semiconductor wafer W is sandwiched between the elastic films 21 and 22.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2003309743-A (JP)
Title: Digital camera and image transmission method
Inventor: YAMAGUCHI SHINJI
IPC: H04N5/225
Filed: 2003-04-09
Abstract: <P>PROBLEM TO BE SOLVED: To provide a digital camera whereby other client can simply browse photographed image data and to provide an image transmission method.  <P>SOLUTION: The digital camera is provided with: a digital image imaging section 102 for photographing an image to obtain digital image data; an html file generating section 107 for generating a structured document to display the digital image data; and a WWW server 104 for transmitting the structured document in response to a request of a client, and the html file generating section 107 the structured document to display the digital image data photographed by the digital image imaging section 102 and the WWW server 104 transmits the generated structured document in response to a request from a PC 114 acting like the client.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004308881-A (JP)
Title: Torque limiter
Inventor: TAKADA SEIICHI
IPC: F16D41/06
Filed: 2003-04-10
Abstract: <P>PROBLEM TO BE SOLVED: To provide a torque limiter with a one-way clutch mechanism incorporated therein for generating required torque during rotation in both directions.  <P>SOLUTION: A first torque generation part 4 is formed by fitting an annular spring holding member 8 incorporated in the one-way clutch mechanism 2 to a shaft 15. A second torque generation part 5 is formed by mounting C-type springs 31, 32 on the outer diameter face of a clutch outer ring 7 and putting slits 33, 34 of the C-type springs in engagement with a rib 35 on the inner diameter face of an outer ring member 1. Required torque can be generated in the first torque generation part 4 during free rotation of the one-way clutch mechanism 2 and in the second generation part 5 during lock thereof.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004311350-A (JP)
Title: Battery apparatus and portable apparatus
Inventor: BANBA YOSHIYUKI
IPC: H01M2/10
Filed: 2003-04-10
Abstract: <P>PROBLEM TO BE SOLVED: To provide a battery apparatus with a protective function capable of coping with increase of supply current and capable of securely stopping power supply in abnormal heating of a secondary battery.  <P>SOLUTION: A battery group 2 is structured by connecting a plurality of parallel pairs of secondary batteries 1 in series. A current fuse 3 is connected to this battery group 2 in series and a normal open type thermal switch 4 is connected with the series circuit of the battery group 2 and the current fuse 3 in parallel. With a protecting circuit of battery apparatus of the above structure, the normal open type thermal switch 4 detects the heat generation and switches itself to be a switched-on status and a closed circuit is formed with the battery group 2, the current fuse 3 and the normal open type thermal switch 4 when either of the secondary batteries 1 of the battery group 2 abnormally heats up. Hence, the current fuse 3 is melt and cut by short current I running through the closed circuit from the battery group 2 and thus the power supply from each secondary battery 1 is surely stopped.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004316126-A (JP)
Title: Work execution method for large section tunnel and deformed section shield boring machine
Inventor: KANEKO KENICHI
IPC: E02D29/05
Filed: 2003-04-11
Abstract: <P>PROBLEM TO BE SOLVED: To provide a construction method for a large section tunnel having a shallow overburden and a deformed section shield boring machine.  <P>SOLUTION: A rectangular excavation trench 3 in section view is formed in the ground to back-fill the upper part of a box body to construct a row of box bodies 23 while adjacently installing the box body 2, a row of propulsive pipes 73 are constructed by installing the propulsive pipe 7 under the box body 2 while fitting an projected stripe 71 expanded in the direction of a tunnel axis on the upper surface of an upper floor slab 72 of the propulsive pipe 7 in a groove stripe 22 notched in the direction of the tunnel axis on the lower surface of the bottom slab of the box body 2, excavation is carried out between a plurality of rows of box bodies 23 constructed in approximately parallel with each other at an interval 6 and a row of propulsive pipes 73, and while the large section tunnel 4 is constructed while utilizing a row of box bodies 23 and a row of propulsive pipes 73 as an earth retaining supporting member. A row of box bodies 23 are precedently constructed, and an upper stage box body 24 can be installed while forming the excavation trench 3 thereon. When the excavation trench 3 is formed, an open shield machine 11 or a deformed section shield machine 12 is used.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004320178-A (JP)
Title: Device and method for controlling solid state electronic imaging element
Inventor: KUBO NAOMOTO
IPC: H04N5/341
Filed: 2003-04-14
Abstract: <P>PROBLEM TO BE SOLVED: To provide a device and a method for controlling a solid state electronic imaging element such as a CCD whereby the CCD outputs all of stored signal electric charges even when the amount of the electric charges is small.  <P>SOLUTION: When the luminance of an object is low in a state that imaging is carried out by a film with an ISO sensitivity equivalent to the ISO 1600, a level of an output gate pulse given to an output gate 5 is controlled to lower the level of a potential barrier existing at an output terminal of a horizontal transfer path. All the signal electric charges are shifted to a floating diffusion capacitance region 6.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004319155-A (JP)
Title: Connector
Inventor: ITO TOMONARI
IPC: H01R13/187
Filed: 2003-04-14
Abstract: <P>PROBLEM TO BE SOLVED: To provide a connector which reduces and prevents wear of a terminal metal caused by sliding.  <P>SOLUTION: An engaging and fixing surface 32 of a lance 30 is formed into a so-called direct taper shape where a bottom rather than a top projects forward. A pushing-up protrusion 60 is formed on an upper face of a regulating plate 53 of a retainer 50 provided to regulate deflection displacement toward a side of deflection space 36 of the lance 30. After first engaging and fixing of a female terminal 10 by the lance 30, when the retainer 50 is pushed in toward this engaging and fixing position, the regulating plate 53 enters into the deflection space 36 and the pushing-up protrusion 60 moves under a lower face of the lance 30, then the lance 30 is gradually pushed up toward a side of a cavity 26, by which a lower end side of the engaging and fixing face 32 pushes a leading edge 16A of a lance hole 16, the female terminal 10 is further pushed forward to press it against a front wall 27 by a cam action, and no clearance is generated.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004316713-A (JP)
Title: Actuator
Inventor: CHIBA KAZUHIKO
IPC: F15B15/28
Filed: 2003-04-14
Abstract: <P>PROBLEM TO BE SOLVED: To provide an actuator which materializes cost and weight reductions.  <P>SOLUTION: An actuator 1 is equipped with a piston 3 and a cylinder 2, either of which is provided with core 33. The other is provided with a coil 32 outputting in accordance with a position of the core 33. While the core 33 is provided to the piston 3, the coil 32 is provided to the cylinder 2. The core 33 is also mounted in the piston 3 brought closer to an inside peripheral surface of the cylinder 2. In some cases, the core 33 is provided to a part sandwiched by a piston ring.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004320245-A (JP)
Title: Optical transmission module
Inventor: KOBAYASHI HIROBUMI
IPC: H04B10/293
Filed: 2003-04-14
Abstract: <P>PROBLEM TO BE SOLVED: To provide an optical transmission module which is capable of restraining an excessive pulse drive current from flowing due to the saturation of the slope efficiency of an I-L characteristic so as to prevent the extinction ratio of an output laser beam from increasing more than required when a semiconductor laser operates at a high temperature.  <P>SOLUTION: The optical transmission module is equipped with an optical output stabilizing circuit which controls a modulation current detecting the slope efficiency of injection current-light output characteristics of an optical communication LD 9, and a circuit (G7) 12 which limits sizes of modulation current control signals given to a laser drive circuit is provided so as to limit an increase in the laser drive current.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004317014-A (JP)
Title: Fuel nozzle, gas turbine combustor and fuel injection method of gas turbine combustor
Inventor: ISHIBASHI YOJI
IPC: F02C7/22
Filed: 2003-04-16
Abstract: <P>PROBLEM TO BE SOLVED: To restrain inconvenience of combustion by leakage between respective members for constituting a liquid fuel nozzle and an air nozzle injection part.  <P>SOLUTION: This fuel nozzle 7 is composed of a nozzle body part and a nozzle injection part. Liquid fuel, auxiliary air, and gas fuel are respectively supplied to the nozzle injection part via a liquid fuel flow passage, an auxiliary air flow passage, and a gas fuel flow passage. A fuel nozzle structure is formed into an integral structure of a liquid fuel nozzle, an auxiliary air nozzle, a gas fuel nozzle, and a revolving combustion air flow passage being constituent members of the nozzle injection part with a cylindrical diametral structure as a base. The respective members are assembled in close contact in the radial direction, so that a thermal elongation difference is absorbed by maintaining airtightness.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004319306-A (JP)
Title: Square sealed secondary battery
Inventor: ADACHI JUNJI
IPC: H01M2/06
Filed: 2003-04-17
Abstract: <P>PROBLEM TO BE SOLVED: To provide a square sealed secondary battery having no fear of liquid leaks over a long period of time.  <P>SOLUTION: In this square sealed secondary battery 1, An external connecting terminal 8 is fitted to a connecting hole 7 formed through the upper part of a square battery jar 2 or a battery jar lid and connected to connecting extension parts 21 of current collectors 11 and 12 extended upward from an electrode plate group 5 in the square battery jar 2, and the external connecting terminal 8 is sealed to the connecting extension part 21 and the square battery jar 2 through a sealant 16 in the circumference of the connecting hole 7. In this battery, the connecting extension parts 21 are covered with a coating material 22 having electrolyte resistance and insulating property to prevent the connecting extension part 21 from being wetted with an electrolyte at the time of injection, so that alkali creep starts from the electrolyte in the electrode plate group 5.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004319339-A (JP)
Title: Zinc alloy powder for alkaline battery, and alkaline battery using the same
Inventor: FUCHINO SEIJI
IPC: B22F1/00
Filed: 2003-04-17
Abstract: <P>PROBLEM TO BE SOLVED: To provide a zinc alloy powder suitable for a negative electrode active substance of an alkaline battery which powder has high corrosion resistance and does not adversely affect battery discharge characteristics, and provide the alkaline battery using the same.  <P>SOLUTION: The zinc alloy powder is formulated such that 0.5 to 1.0 wt.% of Ca(OH)<SB>2</SB>is added to a zinc alloy powder containing 0.005 to 0.1 wt.% of at least one of Al, Bi, Ca, In, Mg, Pb and Sn as a trace additive metal. The alkaline battery uses the resulting zinc alloy powder.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004328036-A (JP)
Title: Wideband nrd guide coupler
Inventor: SAWADA HIROKAZU
IPC: H01P5/18
Filed: 2003-04-21
Abstract: <P>PROBLEM TO BE SOLVED: To provide a wideband NRD guide coupler capable of surely enabling the widening of a band.  <P>SOLUTION: In the NRD guide coupler for coupling electromagnetic waves between a pair of NRD guides for propagating the electromagnetic waves by dielectric lines 1a, 1b each of which is sandwiched by parallel conductor plates and its space is smaller than a half wavelength, a closest portion being a coupling portion En is localized. For example, the space d is adjusted to be set at predetermined coupling, radii R<SB>1</SB>, R<SB>2</SB>are made small, and angles θ<SB>1</SB>, θ<SB>2</SB>are made small.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004323990-A (JP)
Title: Polyester staple fiber and clothes-wadding comprising the same and method for producing polyester staple fiber
Inventor: KIMURA TOSHIAKI
IPC: D04H1/435
Filed: 2003-04-22
Abstract: <P>PROBLEM TO BE SOLVED: To provide high quality polyester staple fibers which can be produced in good productivity and whose thickness unevenness and abnormality such as cross section abnormality and fusion are extremely reduced in comparison with conventional fibers, and to provide clothes-wadding comprising the polyester staple fibers.  <P>SOLUTION: The polyester staple fibers are characterized in that the polyester constituting the staple fibers is a polyester which is produced in the presence of a catalyst consisting mainly of a titanium compound (excluding titanium dioxide) and does not contain a germanium compound and an antimony compound or contains the germanium atoms and the antimony atoms in a total amount of ≤30 ppm based on the polyester.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004030615-A (JP)
Title: Printer controller and method
Inventor: KAI HIROSHI
IPC: B41J2/01
Filed: 2003-05-02
Abstract: <P>PROBLEM TO BE SOLVED: To raise accuracy of remaining quantity management of ink in a printer which manages the remaining quantity based on ink consumption.  <P>SOLUTION: When a printing job is issued to the printer, status information including a warning of the remaining quantity of the ink is first requested to the printer (S1008). When the status information is obtained, whether or not probability of ink replacement is indicated is decided and when the probability is indicated, display for prompting a user to input the contents of the ink replacement is performed. When a fact that the ink is replaced is inputted to the display (S1019-YES), the current status information of the printer is decided again (S1020) and when the probability of the ink replacement is indicated, a command for initializing information regarding the remaining quantity of the ink is transmitted to the printer (S1021).  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004330701-A (JP)
Title: Composite body having copper foil used for formation of printed circuit or others and manufacturing method thereof
Inventor: SATO YUSUKE
IPC: H05K3/00
Filed: 2003-05-09
Abstract: <P>PROBLEM TO BE SOLVED: To obtain a composite body having a constitution wherein a copper foil is formed uniformly on an aluminum support and the support can be peeled off easily from the copper foil after this is fixed to an insulating substrate, as the composite body having the copper foil formed on the support.  <P>SOLUTION: After a zinc layer 3 is formed on an aluminum foil 2 by a substitution plating method, a nickel layer 4 is formed by the substitution plating method. Next, a nickel oxide layer 41 is formed by oxidizing the surface of the nickel layer 4. The copper foil 5 is formed subsequently on this nickel oxide layer 41 by an electrolytic copper plating method.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004338099-A (JP)
Title: Manufacturing method for optical reflecting mirror
Inventor: ITO EIJI
IPC: G02B5/10
Filed: 2003-05-13
Abstract: <P>PROBLEM TO BE SOLVED: To provide a manufacturing method for an optical reflecting mirror constituted so as to enhance the precision of a mirror surface having a complicated curved surface shape used in a projector or the like.  <P>SOLUTION: In the method for manufacturing the optical reflecting mirror 10 by injection-molding a plastic material in the cavity 8 of a mold 1, an upper surface molding mold 2 and a rear surface molding mold 3 for molding a curved surface part in the surface shape becoming the mirror surface 11 of the optical reflecting mirror are prepared and, after the shrinkages and deformations of the upper and rear surfaces of a molded product when the rear surface shape of the optical reflecting mirror is formed into a flat plate shape are measured, the height quantity almost same to the linear shrinkage and deformation quantities of the molded product in the direction from the molding surface of the upper surface molding mold toward the rear surface of the molded product, that is, in the thickness direction of the molded product is added to the corresponding molding surface of the rear surface molding mold to process the rear surface molding mold so as to protrude the same. The processing of the rear surface molding mold is repeated until the shrinkage and deformation quantities of the whole surface of the molded product molded using the processed rear surface molding mold to obtain the optical reflecting mirror having a highly precise mirror surface.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004341151-A (JP)
Title: Image forming apparatus
Inventor: HASEGAWA TAKASHI
IPC: B41J2/52
Filed: 2003-05-15
Abstract: <P>PROBLEM TO BE SOLVED: To minimize print reproducibility differences, such as a density difference and a hue difference, by solving the problem in which, in the case where the same document is printed at different times or on different days, the same image density and the same hue cannot be reproduced.  <P>SOLUTION: In first printing, a user intentionally presses an output condition memory key when the user assumes that the particular document may be used again for printing or a reproducibility difference between print images may need to be minimized. In response to the operation, a main body stores, for future use, various parameters that have effects on the characteristics of the image to be formed at the time. When the user prints the same document again, an output condition retrieving key is pressed. Thus, based upon the stored various parameters, the main body makes the reproducibility identical to that used in the first printing.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004338998-A (JP)
Title: Zirconia bead and its manufacturing method
Inventor: NIIMI YOSHIO
IPC: C04B35/48
Filed: 2003-05-15
Abstract: <P>PROBLEM TO BE SOLVED: To provide a zirconia bead having a further small average particle diameter which is useful to disperse a material of further small particle diameter, and its manufacturing method.  <P>SOLUTION: This zirconia bead has an average particle diameter of smaller than 50 μm, a standard deviation of not larger than 6 μm, a sphericity of greater than 95%, and a compression strength of not smaller than 140 kgf/mm<SP>2</SP>, and it is manufactured by spray drying a slurry of the zirconia powder at 25-60°C.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004341828-A (JP)
Title: Characteristic analysis program of rotary electric machine
Inventor: SHIMA KAZUO
IPC: G01R33/02
Filed: 2003-05-15
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method for analyzing characteristic of a rotary machine which provides an inductance and torque for every space-time harmonic wave component of the magnetic flux density distribution in the rotary machine.  <P>SOLUTION: Magnetic permeability data 4 are calculated from the overall magnetic field analysis 2 of the rotary machine performed by giving a plurality of magnetic field supplying sources, and potentials of a gap are calculated from a single excitation magnetic field analysis 6 performed by giving a single magnetic supplying source and the magnetic permeability data 4. The potentials are developed to harmonic components (10), and an optional one of the developed harmonic components is given as a boundary condition of gap, and the magnetic permeability data 4 are further given, whereby a component magnetic analysis 12 is performed, and at least one of the inductance and torque to the harmonic component is calculated (14, 16) from this analysis. Further, the inductance and torque to a lead magnetic flux are calculated (62 and 64) from a single excitation leak magnetic field analysis 60 performed by giving the magnetic permeability data 4 after giving a potential-zero condition as the boundary condition.  <P>COPYRIGHT: (C)2005,JPO&NCIPI