baber/WOPTO huggingface dataset:
Patent JP-2007128652-A (JP)
Title: Magnetic disk and its manufacturing method
Inventor: UMEZAWA SADAICHIROU
IPC: G11B5/66
Filed: 2007-01-16
Abstract: <P>PROBLEM TO BE SOLVED: To provide a magnetic disk which prevents a heat fluctuation and has a high signal-to-noise ratio even in high recording density.  <P>SOLUTION: This magnetic disk 10 is provided with a magnetic layer on a disk substrate 1, wherein the magnetic layer comprises an exchange coupling film 5 provided with a first magnetic layer 5a, a second magnetic layer 5c and a spacer layer 5b formed between the first and the second magnetic layers 5a, 5c. Surface roughness Ra of the spacer layer 5b is lower than the film thickness of the spacer layer 5b.  <P>COPYRIGHT: (C)2007,JPO&INPIT
Patent JP-2008177711-A (JP)
Title: Optical transmission system, its method and optical transmitter/receiver used for the method
Inventor: YOSHIHARA TOMOKI
IPC: H04B10/2507
Filed: 2007-01-17
Abstract: <P>PROBLEM TO BE SOLVED: To achieve signal processing at a lower signal speed by reducing a circuit scale participating in high-speed signal processing required on the reception side of a multi-value phase modulation long haul high-speed optical transmission system where a plurality of high-speed signals is switched via one clock source.  <P>SOLUTION: A circuit for separating an output signal from a transmission side framer circuit into two channels and a circuit for inserting a synchronous pattern and a CH number into the separated signal are provided on the transmission side. CDR circuits 36, 37 performing clock reproduction/retiming individually for 20 Gbps signals of two channels, S/P circuits 38, 39 performing S/P conversion of the CDR output, and circuits 40, 41 for identifying the CH number by taking frame synchronization from the S/P circuit output signal are provided on the reception side. Furthermore, an elastic store 42 for switching the signal of 2CH on the clock of one system and a circuit 43 for determining the read-out phase from the elastic store based on the output phase information from the synchronous circuit are provided.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2008175259-A (JP)
Title: Linear guide device
Inventor: MATSUMOTO ATSUSHI
IPC: F16C29/06
Filed: 2007-01-17
Abstract: <P>PROBLEM TO BE SOLVED: To improve work efficiency by reducing vibration generated on the rail tip when used by the movement of a rail by fixing a slider.  <P>SOLUTION: A circulating passage 71 of a ball 69 is formed of: an introducing groove passage 61 for movably incorporating the rail 55 on the slider 53 via the ball 69 and movably forming the ball 69 between the mutually opposed sliders 53 and respective raceway surfaces of the rail 55; a return passage 63 formed in the slider 53; and curved passages 67a and 67b for connecting this return passage 63 and the introducing groove passage 61 so that the ball 69 circularly moves. The raceway surface of the slider 53 of the introducing groove passage 61 is provided with: a preload imparting part 53a-1 of the ball 69; an inclined part 53a-2 inclining in the direction for gradually eliminating a preload to one side or both sides of the preload imparting part 53a-1; and a recess part 53a-3 for eliminating the preload with a clearance between this inclined part 53a-2 and the curved passages 67a and 67b and between the raceway surface and the ball 69.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2007193809-A (JP)
Title: Electronic card
Inventor: GERRITS ANTONIUS HENRICUS JOHA
IPC: B42D15/10
Filed: 2007-01-18
Abstract: <P>PROBLEM TO BE SOLVED: To provide an electronic card having rigidity sufficient for resisting warping, bending and tensile force.  <P>SOLUTION: The electronic card includes a printed circuit board interposed between card shields 107 and 108. Tabs 109 on an edge of one shield engage recesses on the edge of the other shield. The jointed shields of the card provide high levels of rigidity, sufficient to exceed applicable bending and torsional resistance specification. An I/O connector 101 is grounded without a separate ground contact. The tabs include an arcuate member having a medial oblique projection which engages a ledge of the other shield near the recess and forms snap-fitting. A frame bar may be interposed between the shields.  <P>COPYRIGHT: (C)2007,JPO&INPIT
Patent JP-2008175467-A (JP)
Title: Refrigerator
Inventor: YOSHIMURA IKUDAI
IPC: F25D23/02
Filed: 2007-01-18
Abstract: <P>PROBLEM TO BE SOLVED: To provide a refrigerator capable of reducing cost, by eliminating complicatedness of a manufacturing process such as separately arranging a magnetic plate on an attraction surface to the body side of a magnet gasket, by restraining thermal influence on the storage inside temperature by avoiding an extension piece of an outer box in a joining part in front of the outer box and an inner box in approaching the inside of a storage.  <P>SOLUTION: A collar part 2a in the inside direction being the attraction surface of the magnet gasket 11 installed in a peripheral edge part on the inside of a door 12, is formed on the peripheral edge of at least the upper side and the right-left sides of the outer box 2 in a front opening part. The extension piece 2d is formed by further bending the edge of the collar part backward, and the edge of the outward collar part 4a formed on the front opening part peripheral edge of the inner box is extended backward by being spliced to the extension piece of the outer box collar part, and the outer box and the inner box are joined by running a locking piece 4c formed by further bending a rear end part outward, along the edge of the outer box extension piece.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2008175013-A (JP)
Title: Piece member, sleeve holder and sleeve holding method
Inventor: MATSUBARA YOSHIYUKI
IPC: E04G15/06
Filed: 2007-01-22
Abstract: <P>PROBLEM TO BE SOLVED: To provide a sleeve holder composed of a plurality of piece members for holding a sleeve for securing a pipe hole by being embedded in a concrete skeleton; and a sleeve holding method using the sleeve holder.  <P>SOLUTION: This piece member 2 of the sleeve holder 1 has a substantially circular arcuate inner peripheral surface 3 and an outer peripheral surface 4 on a concentric circle at a predetermined interval. An engaging member 6 is arranged on one end in the circumferential direction of the outer peripheral surface 4 of a substantially circular arc trapezoidal holding member 5 by forming the length in the circumferential direction of the inner peripheral surface 3 shorter than the length in the circumferential direction of the outer peripheral surface 4. A locking part 7 locking the same engaging member 6 as the engaging member 6, is arranged on the other end. The sleeve 12 held by the sleeve holder 1 formed by connecting the plurality of piece members 2, is fixed to a reinforcement 14 by using a binding member 13.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2008177979-A (JP)
Title: Network band control method, network band control program, and network band control apparatus
Inventor: IKADA KEIJI
IPC: H04L47/762
Filed: 2007-01-22
Abstract: <P>PROBLEM TO BE SOLVED: To provide a network band control method, a network band control program, a network band control apparatus, and a communication network system which can shorten a queuing time for the connection of a user even if the total band capacity of an entire network is not enough.  <P>SOLUTION: The network band control method includes a secured band storage device 145 wherein a use band management table for managing a band used by each communication terminal is stored. A procedure for newly securing a network band includes: a confirmation step for checking up the band availability status of the network by referring to the use band management table; a request step of requesting communication terminals which have already secured a network band to release the secured network band referring to the use band management table; and an allocation step of allocating the released network bands to those communication terminals which secure a new network band.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2008180091-A (JP)
Title: Piezoelectric pump with built-in driver
Inventor: SATO AKIRA
IPC: F04B43/04
Filed: 2007-01-23
Abstract: <P>PROBLEM TO BE SOLVED: To provide a heat radiation structure of a piezoelectric pump with a built-in driver capable of radiating heat generated from a heat generation element of a drive board further well when a piezoelectric pump and the drive board are housed in the same housing.  <P>SOLUTION: Heat generated in a circuit board 43 of the drive board 40 is transmitted to the drive board 40, and escapes to a shim 11 through a wiring projection 11a superposed on the drive board 40. That is to say, a part of the drive board 40 is superposed on the wiring projection 11a radially projected from the metallic shim 11, and the shim 11 is always cooled, whereby the heat of the drive board 40 can be radiated with high heat radiation capability.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2008178500-A (JP)
Title: Ultrasonic diagnostic system
Inventor: ARAI OSAMU
IPC: G06T1/00
Filed: 2007-01-24
Abstract: <P>PROBLEM TO BE SOLVED: To provide an ultrasonic diagnostic system which can confirm a body mark from different view points in the body mark using a three-dimensional subject image.  <P>SOLUTION: The ultrasonic diagnostic system 1 acquires the position information of a probe 2 by a magnetic sensor 8 and prepares an ultrasonic image and a reference image for the same tomographic surface. The ultrasonic diagnostic system 1 determines the view point and a projection surface in three-dimensional visualizing processing on the basis of the position information of the probe 2 by a view point and projection surface coordinate calculation part 12, prepares the three-dimensional subject image by projecting volume data to the projection surface by a three-dimensional subject image preparation part 13, prepares a three-dimensional tomographic surface image by projecting an ultrasonic tomographic surface to the projection surface by a three-dimensional tomographic surface image preparation part 14, prepares a three-dimensional composite image by combining the three-dimensional subject image and the three-dimensional tomographic surface image by a three-dimensional composite image preparation part 15, and displays the ultrasonic image, the reference image and the three-dimensional composite image at a display part 5 in correspondence.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2008181727-A (JP)
Title: Fuel cell system
Inventor: YAMAMURO SHIGEKI
IPC: H01M8/00
Filed: 2007-01-24
Abstract: <P>PROBLEM TO BE SOLVED: To obtain a supply system of raw material hydrogen for a fuel cell in a small electric vehicle capable of utilizing a high pressure hydrogen infrastructure such as a hydrogen gas station.  <P>SOLUTION: A hydrogen storage alloy cylinder 14 and a high pressure hydrogen cylinder 15 are used as a hydrogen supply source of a fuel cell in a fuel cell housing part 12. As a method of use of this hydrogen storage alloy cylinder 14 and the high pressure hydrogen cylinder 15, there is a method in which any one of the hydrogen storage alloy cylinder 14 and the high pressure hydrogen cylinder 15 is used firstly, and then the other cylinder is used, or a method in which hydrogen of the hydrogen storage alloy cylinder 14 is used for the fuel of the fuel cell and hydrogen of the high pressure hydrogen cylinder 15 is used for filling the hydrogen storage alloy cylinder 14. By doing like it, the high pressure hydrogen infrastructure such as a hydrogen gas station or the like can be utilized.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2008178942-A (JP)
Title: Surface-coated cutting tool
Inventor: TSUSHIMA FUMIO
IPC: B23C5/16
Filed: 2007-01-24
Abstract: <P>PROBLEM TO BE SOLVED: To provide a surface-coated cutting tool having a hard coating layer exhibiting excellent chipping resistance and abrasion resistance in heavy interrupted cutting or the like for steel and cast iron.  <P>SOLUTION: The surface-coated cutting tool has the hard coating layer consisting of a lower layer and an upper layer vapor-deposited on the surface of a tool base. The lower layer comprises a Ti compound layer having a total average thickness of 3-20 μm, and the upper layer comprises an aluminum oxide layer, a chrome oxide layer and a titanium oxynitride layer. The chrome oxide layer has a plurality of fine voids having the maximum void width of 0.5-3 μm and a void ratio of 5-30%.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2008182060-A (JP)
Title: Manufacturing method of semiconductor device
Inventor: IWATANI AKIHIKO
IPC: H01L23/50
Filed: 2007-01-25
Abstract: <P>PROBLEM TO BE SOLVED: To provide a technology which can control a crack of a package at the time of soldering reflow in a semiconductor device having a resin-sealed package.  <P>SOLUTION: A corner portion of a rectangular hole 10 formed in a die pad 3 is changed by using a curve line with a predetermined radius of curvature, such as a radius of curvature of 0.3 mm or more. In this way, void generated in a mould process escapes easily, so the void, which remains in resin, decreases as compared with a case, where the corner has a right angle. At the same time, extrusion of die-bonding material at a corner region of the die pad 3 is eliminated and a clearance is formed between the semiconductor chip and the die pad 3 to allow the generated void to enter the clearance.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2008180985-A (JP)
Title: Endless belt for image forming apparatus, and the image forming apparatus
Inventor: MIZUMOTO KAZUYA
IPC: G03G21/00
Filed: 2007-01-25
Abstract: <P>PROBLEM TO BE SOLVED: To provide an endless belt for an image forming apparatus that is the endless belt superior in toner releasability or cleaning properties, by a cleaning blade with no failure in appearance due to surface irregularity caused by foaming, or the like, while maintaining easy molding workability (high productivity), without causing surging or the like due to the effect of silicone used as a surface tension reducing component in extrusion molding that is a preferable system in terms of costs.  <P>SOLUTION: The endless belt for image forming apparatus, that is the endless belt for use in the image forming apparatus, is obtained by heating, mixing, and extrusion molding carbon black and a thermoplastic polymer component having the main component of the thermoplastic polymer component that comprises a thermoplastic resin and/or a thermoplastic elastomer. Before heating and mixing with the thermoplastic polymer component, silicone is added to the carbon black. The pH of the carbon black is 4 or larger, and the functional group of the equivalent weight of the silicone is 500 g/mol or larger.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2008183627-A (JP)
Title: Surface coated tool
Inventor: MATSUZAWA MASATO
IPC: B23B27/14
Filed: 2007-01-26
Abstract: <P>PROBLEM TO BE SOLVED: To provide a surface coated tool having high wear resistance and high chipping resistance.  <P>SOLUTION: This surface coated tool 1 is obtained by coating the surface of a substrate 2 with a coating layer 3. The coating layer 3 is formed of Ti<SB>1-a-b</SB>Al<SB>a</SB>M<SB>b</SB>(CxN<SB>1-x</SB>) (wherein M is one more kinds selected from elements of fourth group, fifth group and sixth group of the periodic system, rare earth element, and Si, 0.4≤a≤0.65, 0≤b≤0.3, and 0≤x≤1). The coating layer 3 is formed of a structure mainly composed of a columnar crystal 5, and the columnar crystal 5 is formed so that when the Ti content ratio of the whole coating layer 3 is Ti<SB>t</SB>, rich Ti columnar crystal 5a having Ti content ratio of Ti<SB>r</SB>, the ratio Ti<SB>r</SB>/Ti<SB>t</SB>being 1.2-5, is dispersed. Thus, the surface coated tool having high wear resistance and high chipping resistance is formed.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2008185649-A (JP)
Title: Image forming apparatus
Inventor: KAKISHIMA AYA
IPC: G03G15/20
Filed: 2007-01-26
Abstract: <P>PROBLEM TO BE SOLVED: To provide an image forming apparatus that can reduce scratches on a fixing member by cut burrs.  <P>SOLUTION: A humidifying device 80 has a tank 81 housing a coating agent 82, the coating agent 82 to be supplied to an edge of a paper sheet P, and an intermediate roller 83 obtaining the coating agent 82 from a wick 85 and supplying the obtained coating agent 82 to a coating roller 84. The humidifying device 80 also has a coating roller 84 to apply a coating agent 82 supplied from an intermediate roller 83 onto a paper sheet P, a wick 85 sucking the coating agent 82 from a tank 81 and supplying the agent to the intermediate roller 83, and a holding bracket 86 holding the wick 85. The humidifying device 80 further has a moving section 88 moving a blade 89, the blade 89 adjusting the amount of the coating agent 82 held by the intermediate roller 83, and a drive source (not illustrated) rotationally driving the coating roller 84.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2007118087-A (JP)
Title: Method and apparatus for manufacturing pipe body, pipe body manufactured by the same method, intermediate formed part of the pipe body, supporting member and frame structure composed of the pipe body and image forming device having them
Inventor: KONDO TAKASHI
IPC: B21D5/01
Filed: 2007-01-31
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method of manufacturing a pipe body by which the pipe body the joint of which is closely contacted by press forming at mass-production is manufactured without variation and stably.  <P>SOLUTION: Intermediate formed parts 14 which have seam composing wall parts 5a, 5b to which a joint 5e belongs and residual composing wall parts and the seam 5e is in the loosely contacted state and an angle which is formed by a composing wall part 15 and an adjacent surface composing wall part 16 of the residual composing wall parts is larger than the angle when the pipe body is completed by bending the metallic plate 16 to form the pipe body 1 having composing wall parts 2, 3, 4 and the joint 5e and the closed cross section is a square shape. After making the seam 5e of the seam composing wall parts 5a, 5b closely contact by forming a convex curved face part 32 which is convex outward on one composing wall part 15 by applying external force to the adjacent surface composing wall part 16, the convex curved face 16 is deformed into a flat shape by applying the other external force to the one composing wall part 15 and the pipe body 1 the seam 5e of which is closely contacted is formed on the basis of springback force by which the one composing wall part 15 intends to back to the shape of the original convex curved face.  <P>COPYRIGHT: (C)2007,JPO&INPIT
Patent JP-2008183842-A (JP)
Title: Recording method, conveyance tray, liquid absorbing member, and recording member
Inventor: SAITO KAZUO
IPC: B41J2/01
Filed: 2007-01-31
Abstract: <P>PROBLEM TO BE SOLVED: To provide a recording method, a conveyance tray, a liquid absorbing member, and a recording member capable of eliminating a periphery or interior blank edge area of a recording region of a recording member and increasing an expressive capacity such as figures, letters for the recording region.  <P>SOLUTION: The recording method comprises recording on the recording member while laying a liquid absorbing member (a liquid absorbing sheet 20) adjacent to the periphery or interior of the recording region 2 of the recording member (a recording medium 1) or both of them. Further, the conveyance tray 3 is disposed with the liquid absorbing member (the liquid absorbing sheet 20) adjacent to the periphery or interior of the recording region of the recording member or both of them on the conveyance tray conveying the recording member by a recording member conveying path 4m facing to the liquid ejecting side of a liquid ejecting head.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2008185302-A (JP)
Title: Hot water supply device
Inventor: KITANISHI HIROSHI
IPC: F24D3/00
Filed: 2007-01-31
Abstract: <P>PROBLEM TO BE SOLVED: To reduce a dimension and a weight of an apparatus, and to improve efficiency and supplied-hot water temperature performance in a device performing hot water supply, heating and bathing by a single heat source.  <P>SOLUTION: In this one-can multiple-water channel hot water supply device provided with a hot water supply circulation circuit 7 for heating water supplied from a water supply passage 1 by combustion of a burner 3, supplying hot water to a hot water supply passage through a heat exchanger 21 for recovering latent heat and a heat exchanger 20 for supplying hot water, and returning hot water to the heat exchanger 20 for supplying hot water again through a hot water supply circulation pump 6, and further provided with use-side heat exchangers 4, 5 in the hot water supply circulation circuit 7 to forming a circuit to supply heat to a load side, and a hot water supply passage 8 branched from the hot water supply circulation circuit 7 through the use-side heat exchangers 4, 5 to supply hot water to a faucet or a bathtub, a heating temperature of the heat exchanger 20 for supplying hot water, is properly changed when both of the heat exchangers 4, 5 of hot water supply side and use-side are simultaneously used, thus the supplied hot water temperature performance in the simultaneous use can be improved.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2007229452-A (JP)
Title: Medical tube and its manufacturing method
Inventor: YAMADA HIROSHI
IPC: A61M25/00
Filed: 2007-02-01
Abstract: <P>PROBLEM TO BE SOLVED: To provide a thin medical tube whose outer diameter is small, having high mechanical characteristics, and having a low frictional resistance on the inner or outer surface, or both inner and outer surfaces of the tube, and its manufacturing method.  <P>SOLUTION: This medical tube includes an inner layer which is made of a coiled mold-releasable filament 3, or a braided tube-shaped article, and an outer surface which is coated with a resin layer 2 for an outer layer. At least one of a fluororesin-coated metal wire whose metal surface is coated with a fluororesin, a fluororesin-mixed polyimide resin-coated metal wire which is coated with a fluororesin-mixed polyimide resin, or a fluororesin filament can be used as the mold-releasable filament.  <P>COPYRIGHT: (C)2007,JPO&INPIT
Patent JP-2008189958-A (JP)
Title: Hot rolled steel sheet with uniform and fine ferritic structure, and its manufacturing method
Inventor: FUKUSHIMA MASAHIRO
IPC: C21D9/46
Filed: 2007-02-02
Abstract: <P>PROBLEM TO BE SOLVED: To provide a hot rolled steel sheet by which deformability or uniform deformability at secondary working can be improved.  <P>SOLUTION: The hot rolled steel sheet is composed mainly of ferrite phase and has a composition consisting of, by mass, 0.04 to 0.20% C, 0.01 to 2.0% Si, 0.5 to 3.0% Mn and the balance Fe with inevitable impurities and is characterized as follows: a ferrite grain size in a position at a depth one-fourth the sheet thickness from the surface of the steel sheet, D2, is <2.0 μm; a relationship between a ferrite grain size in a position at a depth one-half the sheet thickness from the surface of the steel sheet, D3, and a ferrite grain size in a position at a depth of 50 μm from the surface of the steel sheet, D1, satisfies (D3-D1)/D2≤0.4; and a grain size in a rolling direction, Dr, and a grain size in a sheet thickness direction, Dt, of the ferrite grain in a position at a depth of 50 μm from the surface of the steel sheet satisfy inequality ¾(Dr-Dt)/((Dr+Dt)/2)¾≤0.25.  <P>COPYRIGHT: (C)2008,JPO&INPIT