baber/WOPTO huggingface dataset:
Patent JP-2003313252-A (JP)
Title: Itaconic acid derivative and polymer thereof
Inventor: HARUFUJI TATSUJI
IPC: G11B7/24033
Filed: 2002-04-22
Abstract: <P>PROBLEM TO BE SOLVED: To solve the problem that a liquid crystal polymer is utilized in an optical anisotropic film, a liquid crystal oriented film, an optical recording material, or the like, and a liquid crystal acrylate polymer is used in these fields heretofore but this polymer is low in heat resistance, mechanical strengths, or the like.  <P>SOLUTION: An itaconic acid derivative represented by formula (1) (wherein preferable R<SP>1</SP>is F, F, Cl, NCO, CF<SB>3</SB>, CF<SB>2</SB>H, OCF<SB>3</SB>, OCF<SB>2</SB>H, a 1-12C alkyl group or a 1-12C alkoxy group, preferable R<SP>2</SP>is a 1-20C aliphatic alkyl group or a 3-20C cycloalkyl group, preferable A<SP>1</SP>-A<SP>3</SP>are each 1,4-cyclohexylene or 1,4- cyclohexnylene wherein arbitrary H may be substituted with F or 1,4-phenylene wherein arbitrary H may be substituted with F, Z<SP>1</SP>-Z<SP>2</SP>are each single bond, COO, CF<SB>2</SB>O, CH<SB>2</SB>O, CH<SB>2</SB>CH<SB>2</SB>, C≡C, or the like, (m) is 1 or 0 and (n) is an integer of 1-20) is disclosed.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003311785-A (JP)
Title: Method and apparatus for making resin molding
Inventor: HIRATA MASAYA
IPC: B29C33/42
Filed: 2002-04-23
Abstract: <P>PROBLEM TO BE SOLVED: To provide the method for making a resin molding, in which the resin molding is prevented from adhering to a stationary mold and/or from curling and deforming at taking it out from the mold.  <P>SOLUTION: By providing confirming blocks 6, etc., so projecting as to make undercut forming parts in a cavity 3a provided in a movable mold 3, clamping the stationary mold 2 having a fine working forming mold part 4 and the movable mold 3 together for feeding resin, retreating the confirming blocks 6, etc., from the movable mold 3a after a mold opening in a molding unloading process and advancing projecting pins 5, etc., provided in the movable mold 3, the resin molding M formed in the cavity 3a of the movable mold 3 is unloaded.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003315959-A (JP)
Title: Heat-developable material
Inventor: HANIYU TAKESHI
IPC: G03C1/76
Filed: 2002-04-25
Abstract: <P>PROBLEM TO BE SOLVED: To prevent the falling of a matting agent and the occurrence of image defects by improving the conveyability of a heat-developable material in a developing machine and to further suppress the contamination of rollers and a film.  <P>SOLUTION: In a heat-developable material comprising on a support at least photosensitive silver halide grains, an organic silver salt, a reducing agent and a binder, a compound having a silasesquioxane unit is comprised.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003236651-A (JP)
Title: Method for manufacturing cast iron tube in centrifugal casting facility
Inventor: ISHIKAWA MASARU
IPC: B22D13/12
Filed: 2002-04-26
Abstract: <P>PROBLEM TO BE SOLVED: To stably manufacture a cast iron tube having uniform tube thickness in the longitudinal direction of the tube when the cast iron tube is manufactured using a centrifugal casting facility.  <P>SOLUTION: In a method for manufacturing the cast iron tube in the centrifugal casting facility 1, molten metal 10 is supplied into a metallic mold 2 loaded on a casting carriage 7 through troughs 4, 5 for pouring from a ladle 3 for casting and the metallic mold is shifted to the reverse side of the ladle for casting together with the casting carriage, and the molten metal is solidified in the metallic mold to manufacture the cast iron tube 11, the tube thickness in the cast iron tube to be manufactured is controlled by adjusting the shifting speed of the casting carriage loading the metallic mold in accordance with the casting period while pouring the molten metal from the ladle for casting so that the pouring quantity of the molten metal into the troughs for pouring becomes substantially constant.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003320217-A (JP)
Title: Cleaning system of vulcanizer on/off work environment
Inventor: ITO TAIZO
IPC: B01D45/02
Filed: 2002-04-30
Abstract: <P>PROBLEM TO BE SOLVED: To provide a cleaning system of a vulcanizer on/off work environment capable of efficiently removing soot by a small capacity dust collector and a ventilator, and suppressing the unnecessary discharge of heat to keep the quality of a molded product high.  <P>SOLUTION: The cleaning system of the vulcanizer on/off work environment is equipped with a soot diffusion preventing means 4, which houses the soot generated from the vulcanizer on/off part of a vulcanizing machine in the definite space 5 in the periphery of the vulcanizer in the vulcanizer on/off work environment wherein the vulcanizer on/off work of the vulcanizing machine in the building 1 equipped with the ventilation means 10 with the outside, and a dust collector 6 for sucking the soot prevented from diffusion to remove the same and circulating cleaned air into the building 1.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003323790-A (JP)
Title: Disk device
Inventor: ONDA RYUICHI
IPC: G11B21/08
Filed: 2002-04-30
Abstract: <P>PROBLEM TO BE SOLVED: To optimize the temperature control by detecting the temperature dependence of the characteristic of a constituent element such as a spindle motor or a voice coil motor in a device, without using a thermosensor, in the disk device for writing data in an optional position of a disk using a head and reading out data in an optional position.  <P>SOLUTION: A temperature control part 40 for adjusting the temperature of the disk device main body by heating/cooling the disk device main body is provided. The temperature dependence of the characteristic of a rotary mechanism part at least including the spindle motor 12 and the voice coil motor 14, is detected on the basis of the positional information included in servo information reproduced from the head or the current value of the spindle motor 12. The detected characteristic is compared with a prescribed value which is set in advance. When it is determined that the characteristic is deteriorated, a heater 4, an electric fan 7, or the like in the temperature control part 40 is activated so as to improve the deterioration in the characteristic.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003324188-A (JP)
Title: Method for manufacturing large-area single-crystal silicon substrate
Inventor: KAWAGUCHI NORIHITO
IPC: H01L21/20
Filed: 2002-04-30
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method for manufacturing a large-area single-crystal silicon substrate.  <P>SOLUTION: In this method for manufacturing a large-area single-crystal silicon substrate, single-crystal silicon thin films 12 are peeled from a single- crystal silicon wafer 11, a plurality of single-crystal silicon thin films 12 are attached to the surface of a glass substrate 21 with their crystal orientations lines up, and an amorphous silicon film 31 is formed on the surface of the glass substrate 21 to cover the whole single-crystal silicon thin films 12, the surface of the amorphous silicon film 31 is etched to expose surfaces 12a of the single-crystal silicon thin films 12, and a residual amorphous silicon film 41 is crystallized along the lines of the crystal orientations of the single-crystal silicon thin films 12 to form a single-crystal silicon thin film 51 on the whole surface of the glass substrate 21.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003320062-A (JP)
Title: Golf cart
Inventor: UENISHI TOMOAKI
IPC: A63B55/60
Filed: 2002-04-30
Abstract: <P>PROBLEM TO BE SOLVED: To provide a golf cart improved in safety while preventing the useless consumption of a battery.  <P>SOLUTION: This golf cart automatically travelable along a prescribed induction line has a driving control circuit for driving a drive source allowing power supply from a battery, and a power intercepting circuit intercepting a current to the driving control circuit at the lapse of a prescribed time. The golf cart is provided with a control means for controlling the power intercepting circuit for intercepting the current only when an induced current flowing to the induction line is undetected, and a control means for controlling the power intercepting circuit so that the time before current interception is longer when the induced current flowing to the induction line is detected than when undetected.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2005320008-A (JP)
Title: Constant-opening-type discharge nozzle having content backflow preventive function, and liquid container having discharge nozzle
Inventor: HAGIWARA TADASHI
IPC: B65D35/38
Filed: 2002-05-08
Abstract: <P>PROBLEM TO BE SOLVED: To provide a discharge nozzle which exerts a backflow preventive function without using a mechanical structure and restricts the backflow of a content and air constantly in an open state, and a liquid container having the discharge nozzle.  <P>SOLUTION: The discharge nozzle is attached to a discharge outlet of the flexible container which is deformed under an external pressure to discharge the content. The discharge nozzle has an inner liquid passage which penetrates in an area ranging from a container body side inlet to the discharge outlet, and a part of the passage consists of a gap between a plurality of surfaces and fine paths having minute sections. The gap and fine paths are formed to have such a size as to make the liquid content stall and hardly flow through the passage due to its viscosity or surface tension under a normal pressure, so that the content is discharged as the container body is pressed upon discharging the content but the content and air in the passage of the nozzle are prevented from flowing back into the container body when the press force is removed.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2003327461-A (JP)
Title: Water preventive composition
Inventor: HAMASATO TAKESHI
IPC: C04B28/02
Filed: 2002-05-09
Abstract: <P>PROBLEM TO BE SOLVED: To provide a water preventive composition which has no swelling and peeling, has satisfactory operability in procedure and imparts excellent water preventability even to a porous body.  <P>SOLUTION: The purpose is attained by the composition obtained by adding a specified amount of silicone based compound to a cement composition-high polymer resin based mortar. Namely, the water preventive composition comprises a cement composition of 100 pts.mass, a high polymer resin of 1 to 40 pts.mass expressed in terms of solid components and a silicone based compound of 2 to 40 pts.mass.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003325180-A (JP)
Title: Method for expressing foreign gene in plant and transgenic plant
Inventor: MUROOKA YOSHIKATSU
IPC: C12N15/09
Filed: 2002-05-09
Abstract: <P>PROBLEM TO BE SOLVED: To provide a new method for surely expressing a target foreign gene at a specific tissue (root) without developing a plant in ontogenesis from a part of the plant tissue.  <P>SOLUTION: In the method for expressing a foreign gene at a root tubercle of a plant, an expression vector having an expression cassette comprising an expression control sequence of a gene of a root nodule bacterium and a foreign gene sequence is constituted, the root nodule bacterium is transformed by the vector, and a plant is infected with the transformed root nodule bacterium.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003332088-A (JP)
Title: Electric discharge lamp device
Inventor: KATSUMA NOBUO
IPC: H01J65/00
Filed: 2002-05-14
Abstract: <P>PROBLEM TO BE SOLVED: To prevent a leakage current at a wiring part in an electric discharge lamp device.  <P>SOLUTION: The fixing lamp device (electric discharge lamp device) 50 comprises a fixing lamp 61 for yellow, a fixing lamp 62 for magenta and a lighting circuit 63. Each fixing lamp includes an arc tube 66 or 67 enclosing an electric discharge medium respectively, and a pair of electrodes 68a, 68b provided on the outside of each arc tube 66 or 67. The lighting circuit 63 applies a voltage to each electrode 68a, 68b and lightens each fixing lamp 61, 62. One end of each fixing lamp 61, 62 is a wiring lead-out end 81, 82 connecting each electrode 68a, 68b to the lighting circuit 63. Each fixing lamp 61, 62 is such arranged that the wiring lead-out ends 81, 82 are on the opposite side. Therefore, each wiring 79, 80 is prevented from coming near each other.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003332849-A (JP)
Title: Method for generating signal
Inventor: KASAHARA TAKAHITO
IPC: H03F1/32
Filed: 2002-05-15
Abstract: <P>PROBLEM TO BE SOLVED: To provide a signal generating method which can directly lead a value for controlling the gain and phase of a sub amplifier from a synchronous detection output in a feedforward distortion compensation amplifying device.  <P>SOLUTION: In this signal generating method for a synchronizing signal in the feedforward distortion compensation amplifying device which applies frequency conversion to a pilot signal extracted from an output signal into an intermediate frequency with a local signal, synchronously detects and outputs the pilot signal subjected to frequency conversion into the intermediate frequency with the synchronizing signal, and controls the sub amplifier in accordance with the output of the synchronous detection, the pilot signal is mixed with the local signal to generate a synchronizing signal for synchronously detecting the pilot signal subjected to frequency conversion into the intermediate frequency.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003330548-A (JP)
Title: Dam water level control device, method therefor, and program thereof
Inventor: MASUDA KOKI
IPC: G05D9/12
Filed: 2002-05-15
Abstract: <P>PROBLEM TO BE SOLVED: To provide a dam water level control device, a dam water level control method, and a dam water level control program capable of controlling a dam water level appropriate to the variation trend of the dam water level without intervention of a person.  <P>SOLUTION: This device comprises a table update determination part 101 to determine at each prescribed time whether or not to update a table of a dam water level change pattern which is currently configured, calculation part 103 of an estimated remaining time required which calculates the estimated time from the current change rate of a inflow quantity or the like if the table update determination part 101 determines the condition is satisfied; a dam water level change pattern update part 105 which calculates an elapsed time to be newly configured from a remaining necessary estimated time T or the like to update a dam water level change pattern 111; and a delaying processing part 107 which performs a delaying processing of the table designated by the dam water level change pattern 111, if the prescribed condition is satisfied in the case that the table update determination part 101 determines not to update the table of the dam water level change pattern.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003342710-A (JP)
Title: Rolling bearing parts and method for manufacturing the same
Inventor: FUJITA TAKUMI
IPC: F16C33/58
Filed: 2002-05-20
Abstract: <P>PROBLEM TO BE SOLVED: To form a nitrided layer of sufficient depth on a surface layer of a stainless steel rolling bearing parts.   <P>SOLUTION: Bearing parts, i.e., an inner ring 1 and an outer ring 2 and balls 3 of a ball bearing are formed of stainless steel containing ≥12 mass % Cr. A nitrided layer of its surface layer is formed by performing heating diffusion of nitrogen contained in a nitrided part through nitridation before hardening, and hardened at a temperature lower than 1,050°C. By exerting high compressive residual stresses to a deep position of the surface layer, and setting the hardness from the surface to an inner part to be Vickers hardness ≥Hv 650, rolling fatigue life characteristic and wear resistance are excellent. This nitrided layer is applicable to the rolling bearing under high loads.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2002371854-A (JP)
Title: Two-stroke engine provided with storage duct
Inventor: GEYER KLAUS
IPC: F02B25/22
Filed: 2002-05-20
Abstract: PROBLEM TO BE SOLVED: To achieve satisfactory performance and a satisfactory acceleration property at a satisfactory exhaust gas value over the whole operation scope of an internal combustion engine by improving a two-stroke engine as a driving motor in manually operated work machines such as, in particular, a power chainsaw, a bush clearing saw, and a cutting/grinding machine. SOLUTION: A flow cross sectional face d of an air-fuel mixture channel 28 led to an air storage duct 14 is smaller than a flow cross sectional face D of an intake passage 17 led to a crank casing intake port 16 by a half or more. When the internal combustion engine 1 performs idling, a fuel hole 31 opened for the crank casing intake port 16 is substantially completely closed. The fuel required for the operation is supplied only through the air-fuel mixture channel 28 led to the air storage duct 14.
Patent JP-2003339151-A (JP)
Title: Mos gate drive circuit
Inventor: SUDA KOICHI
IPC: H02M1/00
Filed: 2002-05-22
Abstract: <P>PROBLEM TO BE SOLVED: To prevent the malfunction due to dV/dt, even if the input signal pulse width of a MOS gate drive circuit is short.  <P>SOLUTION: This MOS gate drive circuit is equipped with a pulse-generating circuit which generates an on-signal pulse and an off-signal pulse at the rise and fall, respectively, of an input signal; a high withstand voltage NMOS where these on-signal pulse and off-signal pulse are inputted; a resistor which is connected to the drain of the high withstand voltage NMOS; a level shift circuit which converts a pulse signal on the level of GND constituted of a logic circuit, based on floating potential into a signal based on floating potential, and a latch circuit which is connected to the output side of the above logic circuit. The pulse width of the off-signal pulse is set longer than the pulse width of the on signal.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003167389-A (JP)
Title: Carrier for electrophotography and developer
Inventor: SUZUKI KOSUKE
IPC: G03G9/113
Filed: 2002-05-22
Abstract: <P>PROBLEM TO BE SOLVED: To provide a carrier for a two-component developer capable of forming fine-grained images over a prolonged period of time because of no toner-spents on the surface of the carrier and slight film scraping of coating resin, to provide a developer less liable to change with time in the amount of the developer scooped up on a developing roller and to provide a developing device and a developing method using the developer.  <P>SOLUTION: The carrier for electrophotography having at least a surface- coating layer of resin, is characterized in that the resin contains at least an acrylic resin and a silicone resin, and the proportion of the acrylic resin in the coating layer comprising the acrylic resin and the silicone resin is 10-90 wt.%.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003336977-A (JP)
Title: Heat pipe and heat pipe adaptor
Inventor: KUME MASASANE
IPC: H01L23/427
Filed: 2002-05-22
Abstract: <P>PROBLEM TO BE SOLVED: To provide a heat pipe having excellent durability and a uniform heating characteristic in relation to a heat cycle.  <P>SOLUTION: This heat pipe is formed of the operating fluid possible to be condensed and vaporized within a range of operating temperature, an air-tight container for housing the operating fluid and formed with a wick in the inner wall thereof, and a reinforcing member arranged adjacent to the air-tight container. The air-tight container is formed from a metal-contained carbon fiber reinforced carbon which contains a metal in clearances of a carbon fiber reinforced carbon. The inner surface of the air-tight container is desirably coated with a metal thin film, and the reinforcing member is desirably formed from the carbon fiber reinforced carbon. The carbon fiber reinforced carbon as a reinforcing member are arranged in a direction along the peripheral surface of the air-tight container. Copper, silver, aluminum or silicon is desirably used as the metal to be used for the metal-contained carbon fiber reinforced carbon.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003336219-A (JP)
Title: Felloe-guard construction method for bridge and felloe- guard form used therefor
Inventor: SUZUKI EIICHI
IPC: E01D19/00
Filed: 2002-05-23
Abstract: <P>PROBLEM TO BE SOLVED: To provide a felloe-guard construction method, in which the construction period of a felloe-guard construction is shortened while a crack due to the drying shrinkage of concrete is prevented, and felloe-guard forms used therefor.  <P>SOLUTION: In the felloe-guard construction method, an embedded bar 90 buried and supported to the outer end section of a main girder 9 in the bridge width direction and exposed to the outside is disposed previously in the bridge longitudinal direction first, felloe-guard bars 5 connected to the embedded bars are arranged while forms 2 in a specified partition containing the embedded bars and the felloe-guard bars are constituted by combining panels 3 and 4 made of precast concrete and connected and fixed to the main girder, and concrete 8 is placed in the forms and unified with the forms, thus forming a felloe guard 1. The felloe-guard forms used therefor are composed of the embedded bars disposed to the main girder, the felloe-guard bars connected to the embedded bars and arranged and the panels made of precast concrete constituting the forms in the specified partition containing the embedded bars and the felloe-guard bars and being connected and fixed to the side end section of the main girder as mentioned above.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003347033-A (JP)
Title: Heating coil attaching structure for high frequency induction heating device
Inventor: MIYAZAKI TSUTOMU
IPC: H05B6/36
Filed: 2002-05-28
Abstract: <P>PROBLEM TO BE SOLVED: To provide heating coil attaching structure for a high frequency induction heating device facilitating the replacing work of a heating coil and accurately positioning to a work.   <P>SOLUTION: This heating coil mounting structure allows detachable attachment of a heating coil to the front of a housing of an output transformer of the high frequency induction heating device, and contains a pair of attaching base members having the specified interval projecting in the horizontal direction in the front installed in the front of the housing; a pair of electrode base members connected to output terminals of the output transformer inside the housing and having contact parts positioned between the attaching base members on the front surface of the housing; and a heating coil member in which a holder is inserted into or removed from the attaching base member by the movement in the horizontal direction from the front, and when attached, the holder is electrically and mechanically connected to contact parts of the electrode members.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003344306-A (JP)
Title: Method of observing microstructure and equipment for inspecting defect
Inventor: SHIMURA HIROSHI
IPC: G01N21/956
Filed: 2002-05-29
Abstract: <P>PROBLEM TO BE SOLVED: To realize an optical system in which an MTF improving effect can be attained in a high band without relying upon the direction of a pattern on a sample and the polarization state of illumination light can be switched even to linear polarization, as required.   <P>SOLUTION: In the defect inspection equipment, a means for focusing the image of an illuminated sample is equipped with an objective lens, a λ/4 plate and a λ/2 plate, where λ is the wavelength, an wavelength switching means for inserting/retracting the λ/4 plate and the λ/2 plate, individually, into/from the optical passage, a partial polarization beam splitter, an analyzer and an imaging lens.  <P>COPYRIGHT: (C)2004,JPO