baber/WOPTO huggingface dataset:
Patent JP-2003051613-A (JP)
Title: Gallium nitride based compound semiconductor and manufacturing method for element
Inventor: KAMIMURA TOSHIYA
IPC: H01L21/28
Filed: 2002-05-20
Abstract: PROBLEM TO BE SOLVED: To improve characteristics in p-type resistance reduction of a GaN- based compound semiconductor and in alloying of an electrode. SOLUTION: In a manufacturing method for a light-emitting element provided with an n<+> layer 13 of GaN, a clad layer 14 of n-type GaN, a light-emitting layer 15, a clad layer 16 of AlGaN to which Mg is added, a contact layer 17 of GaN to which Mg is added, a light-transmissive electrode 18A, and an electrode 18B; a surface of the n<+> layer 13 is exposed by etching a part of a layer provided on the upper side of the n<+> layer 13, the light transmissive electrode 18A is formed on the contact layer 17, the electrode 18B is formed on the exposed surface of the n<+> layer 13, heat treatment is conducted in the range of 500 to 600 deg.C inside a gas containing at least oxygen, and the p-type resistance reduction and an alloying processing are simultaneously performed. Satisfactory low resistance is obtained even at a low temperature.
Patent JP-2003336466-A (JP)
Title: Rolling type screen door
Inventor: ABE KOJI
IPC: E06B9/54
Filed: 2002-05-21
Abstract: <P>PROBLEM TO BE SOLVED: To solve such problems with a rolling screen door rotatably supported on an opening frame, having one end of a net connected to a shaft incorporating a shaft and the other end of the net connected to a movable rail moving along the opening frame, and opened and closed according to the movement of the movable rail that the net is left unrolled when rolling due to the deflection of the shaft by the recovering force of a coiled spring when the net is closed and that flapping noise occurs.  <P>SOLUTION: The length of the shaft 12 incorporated in the shaft 11 having a length corresponding to the width or the height of the opening frame 1 is set larger than 1/3 of the overall length of the shaft in the opening frame 1 of the maximum size among all opening frames using the shaft 12 commonly to each other, and 1/2 or more of the overall length of the shaft 11 in the opening frame 1 of the minimum size.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003337275-A (JP)
Title: Lens barrel
Inventor: WATANABE TSUNEO
IPC: G03B17/56
Filed: 2002-05-21
Abstract: <P>PROBLEM TO BE SOLVED: To provide a lens barrel having high operability capable of surely fixing a lens barrel main body and easily attaching/detaching a tripod mount.  <P>SOLUTION: A dovetail 2b and a dovetail groove 3b are respectively provided at the fitting part of a ring member 2 and a base part 3, and the base part 3 is made freely attachable to/detachable from the member 2. By engaging the projection part 5a of lock member 5 energized by a spring 6 with the hole part 2d of the member 2, the member 2 is prevented from dropping inadvertently. Furthermore, the member 2 is rotatably fit on the cylindrical surface part of the lens barrel main body continuously on all the periphery so as to be smoothly rotatable without causing a backlash.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003307084-A (JP)
Title: Opening and shutting drive of sheet shutter
Inventor: KURAOKA TOSHIAKI
IPC: E06B9/70
Filed: 2002-04-15
Abstract: <P>PROBLEM TO BE SOLVED: To realize a sheet shutter drive saving a space with a high efficiency and a low cost.  <P>SOLUTION: As a drive of a pivot winding up the sheet shutter, a large number of small spur gears or worm wheels are arranged on a large-sized spur wheel or the circumference of a worm wheel to drive them with a large number of low cost small motors, and reduction of a driving cost, enhancement of mechanical reliability and promotion of space-saving efficiency can be realized.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003339573-A (JP)
Title: Laterally adjoining integrated roll paper holder
Inventor: KUME KAZUTAKA
IPC: B65H19/12
Filed: 2002-05-22
Abstract: <P>PROBLEM TO BE SOLVED: To protect reserve roll paper from disturbance until finishing to use roll paper presently in use by covering the front side of the reserve roll paper adjacent to the roll paper presently in use in a laterally adjoining integrated roll paper holder, with a vertically rotating type screening cover.   <P>SOLUTION: A rail 7 with a dovetail groove 7B with a downward cam face 7A positioned between the laterally adjoining integrated roll paper holders with a plurality of roll paper holders 1 integrally provided parallel in a lateral direction is provided across the upper parts of the respective roll paper holders 1, and the screening cover 9 is pivotally supported in a seesaw style to a slider 8 engaged with the dovetail groove 7B. In the middle of the lateral movement of the screening cover 9 by the operation of the slider 8, the rear end upper part 9B is pressed down by the downward cam face 7A to rotate the screening cover 9 upward in the seesaw style, and the screening cover 9 is returned by downward rotation near the end point of the lateral movement. The front side of the reserve roll paper 4B can thereby be covered with the screening cover 9.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003345075-A (JP)
Title: Image forming apparatus
Inventor: ITAGAKI SEIKO
IPC: G03G15/16
Filed: 2002-05-24
Abstract: <P>PROBLEM TO BE SOLVED: To set a value of Vh-Vdc which is appropriate as an image forming condition (where Vh is charging potential, and Vdc is DC bias in development).   <P>SOLUTION: Two kinds of potential at a patch part before/after the development and a toner charging quantity Qt obtained by detecting the thickness of a toner layer are calculated, so that the potential by the electrification Vh and the DC bias in the development Vdc are set by using the table of Qt: (Vh-Vdc) previously prepared.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003342954-A (JP)
Title: Pile
Inventor: SAIMURA YUKIO
IPC: E02D5/56
Filed: 2002-05-24
Abstract: <P>PROBLEM TO BE SOLVED: To provide a structure of a pile, which can exert great supporting ability, can push up excavated soil smoothly, and has excellent penetratability.   <P>SOLUTION: A steel tip shoe 2 with a conical cone part and three blades 6 is attached to the tip of a pile body 1, so that the pile can be penetrated with rotation into ground. Leading-end-of-blade parts 6a, which are made gradually narrower in the direction of the penetration of the pile and whose angles with respect to the axial direction of the pile are smaller than that of the general part of the pile, are provided on the sides of the leading ends of the blades 6 which are welded to the outer peripheral surface of the tip shoe 2. Terminal- end-of-blade parts 6b, whose angles with respect to the axial direction of the pile are smaller than the mounting angle of the general part of the blade 6, are provided on the terminal sides of the blades 6. The angle of the part 6b with respect to the axial direction of the pile is decreased, so that an interval between the blades 6 can be lengthened and so that the good penetratability can be maintained without having a part between the blades 6 clogged with sediment. In addition, the provision of the parts 6b enables an increase in structural resistance.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003344327-A (JP)
Title: Thermal analysis system, thermal analysis method and program implementing the same
Inventor: AOKI HISAMI
IPC: G01N25/18
Filed: 2002-05-27
Abstract: <P>PROBLEM TO BE SOLVED: To reduce the time required for thermal analysis and make an efficient parametric study possible by converting a large scale thermal model into a compressed model having nodes less than those of the large scale thermal model.   <P>SOLUTION: A thermal analysis system is provided with a data input means, a model generation means for generating the large scale thermal model by using data inputted from the data input means, a thermal analysis means for analyzing the large scale thermal model generated by the model generation means, and a model modification means for comparing a temperature distribution analyzed by the thermal analysis means with a temperature distribution by an experiment and modifying the large scale thermal model. The model generation means is provided with a conversion means for mutually converting the large scale thermal model and the compressed model having the nodes less than those of the large scale thermal model.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2002364651-A (JP)
Title: Rolling bearing retainer
Inventor: FUGEL WOLFGANG
IPC: B21D53/12
Filed: 2002-05-27
Abstract: PROBLEM TO BE SOLVED: To separate the retaining of a rolling body from the traveling of the rolling body in a retainer only by punching a pocket and bending a retainer band to complete the retainer. SOLUTION: This retainer rolled and bent from a thin band 12 has two side rings 12 bonded to each other by a molded web 3 for forming a pocket 4. The web is formed out of divisions 10, 6, 7 extending in parallel with each other and partially positioned at an inner side of a pitch circle and partially positioned at an outer side of the pitch circle, and the divisions are bonded to each other by divisions 8, 9 extending obliquely with regard to a retainer axial line. If the thin band 12 is not molded, punched, or bent, the pocket 4 in a region of the obliquely extending divisions 8, 9 has a curved extension so that a first protruding-shaped curve B1 positioned inward in the axial direction when viewed from a plan view may transfer to a second recessed-shaped curve B2 positioned at the outside.
Patent JP-2004007050-A (JP)
Title: Imaging apparatus
Inventor: INOUE HITOSHI
IPC: H04N5/378
Filed: 2002-05-30
Abstract: <P>PROBLEM TO BE SOLVED: To provide an imaging apparatus capable of preventing an-added pixels from being turned into defective pixels due to the influence of one defective pixel.  <P>SOLUTION: This imaging device configured of a set of a plurality of energy converting elements and for outputting the average or addition of a plurality of adjacent pixel information, is provided with arithmetic elements and an output means for simultaneously or successively outputting components in which mean value or added value is not included. When defect is detected in the pixels, respective pixel values prior to averaging or addition are restored from components in which mean values or added values are included and the components in which mean value or added value is not included, and the added or mean pixel value is re-calculated only from the normal pixels.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004002510-A (JP)
Title: Rubber composition and its molded article
Inventor: KADOSAKA AKITADA
IPC: C08L11/00
Filed: 2002-05-31
Abstract: <P>PROBLEM TO BE SOLVED: To provide a rubber composition which exhibits composition performances that provide excellent resistance to deterioration by chlorine to permit a long-term service when it is formed into a rubber product used at a place brought into contact with water containing residual chlorine, and a molded article obtained using the same.  <P>SOLUTION: The rubber composition comprises a blend substance of at least one rubber selected from the group consisting of an ethylene-propylene rubber, a butyl rubber, an acrylonitrile rubber, a chloroprene rubber, a styrene-butadiene rubber and a butadiene rubber with a polybutene. The molded article such as a packing, an O-ring, an expansion joint or the like is made of the rubber composition.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004009146-A (JP)
Title: Round cutter
Inventor: DAN YASUNAO
IPC: B24D3/06
Filed: 2002-06-03
Abstract: <P>PROBLEM TO BE SOLVED: To provide a round cutter, improved in wear resistance to lengthen the life and not causing thermal deformation due to coating.  <P>SOLUTION: This round cutter shaped substantially like a disc is provided for cutting a belt-like material to be cut by shearing. In the cutter, a side part is formed in the radial direction, and an outer peripheral surface part is formed in the cross direction, and the intersecting part of the side part and the outer peripheral surface part is taken as a knife edge. At least the side part of the knife edge is plated with diamond particles or borazon particles with a binder medium extending in the circumferential direction by electrodeposition.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004010496-A (JP)
Title: Eyelash cosmetic
Inventor: HAYAKAWA TOMOHIRO
IPC: A61K8/891
Filed: 2002-06-03
Abstract: <P>PROBLEM TO BE SOLVED: To produce a stable eyelash cosmetic which can give a large volume and a curling-up effect onto eyelashes, can well be spread, can easily be coated, can depress the deterioration of usability with the passage of time, has an excellent make-up effect, and gives an excellent sense of use.  <P>SOLUTION: This emulsion type eyelash cosmetic comprising a solid oil, a higher fatty acid salt and water is characterized by containing a higher alcohol as a part of the solid oil and further containing a cyclic polysiloxane and an acrylic acid alkylamide / acrylate-based copolymer.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004008033-A (JP)
Title: Raising seedling pot for flower and vegetable
Inventor: SAGAWA EITOKU
IPC: A01G9/10
Filed: 2002-06-04
Abstract: <P>PROBLEM TO BE SOLVED: To provide a raising seedling pot for flowers and vegetables producible in large quantities at a low cost, resistant to acid rain and causing no barrier to growth and no environmental pollution at all.  <P>SOLUTION: This alkalescent raising seedling pot for flowers and vegetables serving itself as fertilizer is obtained by molding a mixed material. The mixed material is obtained by irradiating microwave to non-wood pulp comprising e.g. crops so as to vibrate water and oil contents in the pulp to, produce heats and vaporize impure substances, starch, sugar content, or the like, in the pulp, or by performing a process corresponding to this process. The microwave has germ-killing ability, and at the same time, deadens eggs laid by core eating insects pests surviving on pores. The non-wood pulp thus processed is mixed with lye and its ashes or a powdered coconut fiber, or both of them to obtain the mixed material.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004015895-A (JP)
Title: Electric load drive device
Inventor: SHIYAMOTO SUMIKAZU
IPC: H02P6/08
Filed: 2002-06-05
Abstract: <P>PROBLEM TO BE SOLVED: To provide a low cost electric load drive device for driving an electric load.  <P>SOLUTION: The electric load drive device 11 contains a DC power supply B, a system relay SR, a step-up converter 12 and capacitors C1, C2. The DC power supply B and the system relay SR are connected in series between a power supply line 111 and a negative bus-bar 112 of inverters 14, 31 as an electric load. The capacitor C1 is provided between the power supply line 111 and the negative bus-bar 112. The capacitor C2 is provided between the positive bus-bar 113 of the inverters 14, 31 as an electric load and the power supply line 111.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004028112-A (JP)
Title: Flexible tube joint
Inventor: FUKUDA KIMIMASA
IPC: F16L33/28
Filed: 2002-06-11
Abstract: <P>PROBLEM TO BE SOLVED: To provide a flexible tube joint capable of improving tightness between a tube joint and a flexible tube when the flexible tube is inserted easily to the tube joint, and displaying that the flexible tube is inserted to a prescribed position in the tube joint by means of a flexible tube insertion recognition means.  <P>SOLUTION: To a flexible tube insertion space in a joint main body, a seal packing of inner diameter to get in tight contact with a large diameter part of the flexible tube and a lock ring having an engagement protrusion on an inner circumferential surface are inserted in such a way that the lock ring can be slidably engaged with/removed from one end of the seal packing. The lock ring is provided with a taper surface to make inner diameter of the lock ring small when applied to a taper surface in a flexible tube joint main body. To the lock ring, a slide ring to release engagement with the lock ring when the diameter of the lock ring is contracted that has a discrimination pin to be protruded out of the joint main body is engaged.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2002372182-A (JP)
Title: Pipe connecting socket
Inventor: SHIMIZU SHOHACHI
IPC: F16L33/28
Filed: 2002-06-11
Abstract: PROBLEM TO BE SOLVED: To cope with several pipe diameters with one kind of socket, and to easily remove a pipe connected by mistake. SOLUTION: A lock claw 12 having a claw part 13 projecting from the inner surface of the socket 1 for insertion of the pipe P is formed, inclining inward in relation to the peripheral surface of the socket 1. A depth side of the socket 1 is formed with an inclined surface 17 inclined so that the pipe P to be connected abuts thereon and comes close to the lock claw 12 pushing direction. An outer side of the lock claw 12 is provided with a hook-like operation piece 14 for engagement of a tool. The tool is engaged with the operation part 14, and pulled upward to elastically move the lock claw 12 continuously provided to the operation part 14 in the radius enlarging direction to release the engagement of the pipe P with the claw part 13, and the pipe P is removed from the socket 1.
Patent JP-2004016855-A (JP)
Title: Offensive smell removing equipment for rivers or the like and installation method thereof
Inventor: KOJIMA AKIRA
IPC: C02F3/10
Filed: 2002-06-13
Abstract: <P>PROBLEM TO BE SOLVED: To provide a technique for eliminating organic matter, scum or the like in flowing water of rivers or the like to prevent the formation of a malodor from the flowing water.  <P>SOLUTION: Fixing strings 8a and 8b such as two ropes or the like constituted of, for example, a metal material, a resin material or a fiber material are stretched on the surface 7e of the flowing water 7c of a river 7 between the riversides 7a and 7b of the river 7 under tension so that the fixing string 8a is provided to the up stream of the river 7 and the fixing string 8b is provided to the down stream thereof. A plurality of or a large number of offensive smell removing equipments D are mutually arranged side by side on the surface of the water of the river 7 along the riversides 7a and 7b in a floated state at a predetermined interval and the front end parts d1 and rear end parts d2 of them are locked or connected to the fixing strings 8a and 8b provided between the riversides 7a and 7b under tension by connection strings 9a and 9b. Each of the offensive smell removing devices D is constituted of a container 10 comprising an almost hollow cylindrical body and the microorganism implanted activated carbon fiber body 11 interposed between the inner and outer walls 10a and 10b of the container 10.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004017398-A (JP)
Title: Method for manufacturing foam roller and foam roller obtained by the same
Inventor: SAKATA JUNJI
IPC: B29C39/26
Filed: 2002-06-14
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method for stably manufacturing a polyurethane foam roller suitable as a toner supply roller or the like having a large rate of opening area of a surface of a foam layer and a small diameter of a cell by using a cylindrical mold.  <P>SOLUTION: In the method for manufacturing the foam roller having a polyurethane foam layer on an outer peripheral surface of a shaft including the steps of injection a polyurethane foam forming material in the cylindrical mold having the shaft disposed therein, and foam curing the polyurethane foam forming material, wherein as the cylindrical mold, a mold having a skinless formable release agent layer is used, and a temperature of the mold from the injection of the polyurethane foam molding material in the cylindrical mold to mold releasing is controlled to 55 to 90°C and a maximum internal pressure of the mold is controlled to 0.05 to 0.3 MPa.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004023388-A (JP)
Title: Imaging apparatus and its sheet feed control method
Inventor: SHIHO YUICHI
IPC: B65H3/44
Filed: 2002-06-14
Abstract: <P>PROBLEM TO BE SOLVED: To provide an imaging apparatus having a facsimile function and its sheet feed control method in which a tray subjected to automatic sheet feed can be set while preventing a trouble generated in the setting.  <P>SOLUTION: An operation/display control section 7 accepts the setting of automatic sheet feed when at least facsimile processing is performed, respectively, for a plurality of sheet feed trays managed at a sheet feed section 4. Based on the accepted setting, a system control unit 1 confirms a sheet feed tray capable of sheet feed when facsimile processing is performed. If all sheet feed trays are not the object of automatic sheet feed as the result of confirmation, the operation/display control section 7 displays an alarm.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004019608-A (JP)
Title: Control device of spark ignition type direct-injection engine
Inventor: KUROKI MASAYUKI
IPC: F02D41/06
Filed: 2002-06-19
Abstract: <P>PROBLEM TO BE SOLVED: To effectively improve emission property by rapidly increasing injection pressure of fuel at the time of cranking performed in starting an engine.  <P>SOLUTION: This control device has a cylinder identifying means 70 for identifying a cylinder in starting the engine. A high pressure pump 26 has a pressurizing means 54 for pressurizing fuel in a pump chamber 53, a suction valve 55 for opening and closing a fuel suction section 51 of the pump chamber 53, and a solenoid 60 for driving the suction valve 55 in the closing direction to control the discharge amount of the fuel. The control device has a high pressure pump controlling means 73 for setting a non-conduction time so as to intermittently make the solenoid 60 into a conduction state by performing start-time control of the high pressure pump 26 and so as to prevent the suction valve 55 from coming into an opening state during the non-conduction time of the solenoid 60, after starting the engine, from a time before the cylinder identification until the fuel pressure in the pump chamber 53 becomes a preset reference pressure after the cylinder identification.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004032209-A (JP)
Title: Information delivery system, its server, information processor and program
Inventor: NUMAO MASAYUKI
IPC: G06F21/00
Filed: 2002-06-24
Abstract: <P>PROBLEM TO BE SOLVED: To provide an information delivery system, in which the address of a receiver is not specified directly but is specified on the condition of combination of attributes and information can be received only by a person satisfying that condition.  <P>SOLUTION: The information delivery system comprises a server 10 managing a private key and a public key for specified attribute values, a user terminal 30 accessing the attribute management server 10 and acquiring an attribute private key corresponding to its own attributes created based on the private key, and a provider terminal 20 creating encrypted contents which can be decrypted by a user terminal 30 having an attribute private key for specified attributes using the public key. The provider terminal 20 delivers the encrypted contents, and the user terminal 30 decrypts the encrypted contents using its own attribute private key.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004029529-A (JP)
Title: Electrophotographic photoreceptor
Inventor: KAWAHARA ARIHIKO
IPC: G03G5/05
Filed: 2002-06-27
Abstract: <P>PROBLEM TO BE SOLVED: To provide an electrophotographic photoreceptor which is free of cracking and has superior wear resistance, a low residual potential, and superior environmental stability, and charge product (ozone, NOx or the like) resistance.  <P>SOLUTION: The electrophotographic photoreceptor has a charge generating layer and a charge transfer layer, containing phthalocyanine compounds, on a conductive base. Here, disclosed are: the electrophotographic photoreceptor, consisting of a resin containing a polycarbonate resin while the charge transfser layer contains a butadiene-based compound as a charge transfer material and a binder resin consists of two or more kinds of polycarbonate; and an image forming device equipped with the electrophotographic photoreceptor.  <P>COPYRIGHT: (C)2004,JPO