baber/WOPTO huggingface dataset:
Patent JP-2002232032-A (JP)
Title: Method for polarizing laminated piezoelectric element
Inventor: NAKAJIMA MIKIO
IPC: H01L41/257
Filed: 2001-02-01
Abstract: PROBLEM TO BE SOLVED: To provide a method for polarizing a laminated piezoelectric element capable of making a dielectric polarization distribution of a laminated piezoelectric element uniform and improving a yield. SOLUTION: The method for polarizing the laminated piezoelectric element comprises the steps of alternatively laminating a plurality of piezoelectric layers 1a to 1d and a plurality of internal electrodes 2a to 2c, and polarizing the adjacent piezoelectric layers 1b, 1c reversely to each other in a thickness direction. The method further comprises a primary polarization step of uniformly applying an electric field of one direction in the thickness direction to the piezoelectric element 1 and uniformly polarizing in the thickness direction, and a secondary polarization step of applying an electric field of a reverse direction to piezoelectric layers 1b, 1c of both sides of the electrode 2b, and inverting only the polarization axis of the layer 1b of one side of the electrode 2b.  In this case, the secondary polarization is executed at a residual dielectric polarization Pr2 after the secondary polarization at the layer 2b inverted at the polarization axis in a range not exceeding a residual dielectric polarization Pr1 after the primary polarization.
Patent JP-2002227445-A (JP)
Title: Multistory parking device
Inventor: WARABINO KOUICHI
IPC: E04H6/18
Filed: 2001-02-02
Abstract: PROBLEM TO BE SOLVED: To provide a multistory parking device capable of surely preventing a pallet from falling from a storage room even if an earthquake occurs. SOLUTION: A first fixed stopper 24 having a vertical contact surface 24b is provided to the end of an elevator rising and falling road side of a shelf rail 9 in the storage room, and the vertical contact surface 24b is brought into contact with a vertical contact surface 25b of a contact plate 25 of the pallet P to control the movement so as not to move the pallet P back to an elevator carrying road side.
Patent JP-2001288300-A (JP)
Title: Rubber composition and pneumatic tire using the same
Inventor: ARAKI MITSURU
IPC: C08L9/00
Filed: 2001-02-05
Abstract: PROBLEM TO BE SOLVED: To provide a rubber composition which improves in processability to a great extent while improving in steering stability and abrasion resistance by incorporating short fibers thereinto, and furthermore can improve in cut resistance and tear resistance, and a pneumatic tire using the same. SOLUTION: The rubber composition comprises a rubber component containing a trans-polybutaiene and short fibers made of a thermoplastic resin, and the pneumatic tire uses this composition. It is preferred that the amount of the short fibers is 0.5-20 pts.wt. based on 100 pts.wt. rubber component, and the amount of the trans-polybutadiene in the rubber component is 0.5 wt.% to 30 wt.%. The short fibers made of a thermoplastic resin preferably have an average length (L) of 0.01 mm to 5 mm, a melting point of 120 deg.C to 150 deg.C, and a ratio (L/D) of the average length (L) to the average diameter (D) of >=2. The trans-polybutadiene preferably has a trans-bond content of >=70% and a weight average molecular weight of 1×104 to 20×104.
Patent JP-2002227370-A (JP)
Title: Protective sheet and machining device therefor
Inventor: NISHIO TOMOKATSU
IPC: E04F13/07
Filed: 2001-02-06
Abstract: PROBLEM TO BE SOLVED: To easily prevent interior structures of various sizes in a building from flawing. SOLUTION: This protective sheet 1 for preventing flaws of the interior structure such as a column, fittings or a fittings frame of the building with corner parts, is provided with a rectangular sheet body 10 and a large number of bendable parts 11. The bendable parts 11 are formed along a first direction of the sheet body 10 and arranged in rows with spaces in a second direction that intersects the first direction.
Patent JP-2002233714-A (JP)
Title: Leaf filter and method for treating its residue
Inventor: IMAOKA TAKASHI
IPC: B01D29/92
Filed: 2001-02-07
Abstract: PROBLEM TO BE SOLVED: To provide a leaf filter having following characteristics in that (1) it is hard to cause unbalance of the overflow from a filtering leaf, even if there is roughness, and the like, of the perpendicularity of a rotation shaft and an outer fringe of a filter leaf, (2) a stock solution that overflows is made to stably flow to a lower filter leaf subsequently, thereby maintaining a wide range of flow rate and a stabilized filtering capacity even, when the circulation flow rate by a residue treatment is large, (3) it is hard to cause collapse of a cake layer formed on the surface of the filter leaf and (4) it is capable of filtrating by forming the first cake layer on the surface of the filter leaf even, when the amount of the stock solution is initially small, and to provide a method for treating the residue. SOLUTION: The leaf filter is provide with a plurality of disk-like filter leaves 10 the diameters of which become larger in order from the upper part to the lower part. Thus, the stock solution 3 that overflows from the lowest filter leaf is supplied in circulation to the uppermost filter leaf and the stock solution that overflows from the outer fringe 10a of each filter leaf is made to subsequently overflow to the upper part of the just lower filter leaf, thereby retaining the stock solution on each filter leaf to perform solid-liquid separation.
Patent JP-2001267325-A (JP)
Title: Crack stopper of low permittivity integrated circuit and oxygen barrier
Inventor: NYE III HENRY A
IPC: H01L21/3205
Filed: 2001-02-07
Abstract: PROBLEM TO BE SOLVED: To provide a copper interconnecting integrated circuit of low permittivity, where corrosion of interconnection is reduced, when a crack stopper adjacent to a trimmed edge is used also as a primary barrier to diffusion of oxygen in dielectrics. SOLUTION: A corresponding crack stopper element is formed simultaneously with formation of a circuit interconnection element. For example, a horizontal interconnection element has a structure corresponding to the crack stopper, and a via between interconnection layers also has a structure corresponding to the crack stopper.
Patent JP-2002233840-A (JP)
Title: Gaseous ion jetting device and gas hose
Inventor: NISHIO TOMONOBU
IPC: B08B5/02
Filed: 2001-02-07
Abstract: PROBLEM TO BE SOLVED: To put together with hoses and electric wire cords of a blow gun of ion air to one piece. SOLUTION: The air blow gun 10 is provided with an AC high voltage generating circuit 12a, an ion generating block 14 and a switch 16. Electric wires 20 to 22 are inserted into the air hose 26 by a Y-branch joint 27. The compressed air from a compressed air supply source and a solenoid valve is supplied through this air hose 26 to the ion generating block 14. Electric power is supplied across the electric wires 20 and 21 to the AC high voltage generating circuit 12a. The AC high voltage generating circuit 12a is operated by on of the switch 16, by which the air is ionized in the ion generating block 14. The on-off signals of the switch 16 are sent across the electric wires 21 and 22 to a control section to control the solenoid valve. The compressed air is sent by the on of the solenoid valve to the ion generating block 14 from which the ion air is discharged outside.  The need for bundling members is eliminated and in addition, the operability is improved by the integration of the air hose 26 and the electric wires 20 to 22.
Patent JP-2002234036-A (JP)
Title: Molding die for plastic wrapping container
Inventor: SAKAMOTO YOSHIO
IPC: B29C33/42
Filed: 2001-02-09
Abstract: PROBLEM TO BE SOLVED: To provide a molding die of a simple construction for manufacturing a wrapping container 20 without a sink mark which impairs its appearance an makes it impossible to print satisfactorily. SOLUTION: This molding die 10 is used for manufacturing a plastic wrapping container with a flange 24 on the outer periphery of the upper end opening and a bottom like that of an earthenware. An upper cavity 13a, of a side wall corresponding to a part where the flange 24 is interacted in one piece, of the cavity 13 to be formed by the die 10, is located slightly more outwards than the finished product line of the container.
Patent JP-2002233670-A (JP)
Title: Connection mount of play equipment for swimming pool
Inventor: OZAWA HIDEO
IPC: A63B69/12
Filed: 2001-02-09
Abstract: PROBLEM TO BE SOLVED: To provide a connection mount of play equipment for a swimming pool in which an auxiliary play equipment can be replaced and the replacing work can be simplified. SOLUTION: On a play equipment for pool 100 comprising a pair of float mounts 10, a connection mount 20 to connect the float mounts 10, and auxiliary play equipments such as an overhead ladder, outward parallel bars, attaching parts 21 to attach the connection mount 20 respectively to both float mounts 10, a connection bar 22 to connect both attaching parts 21, and a connection parts 23 integrated with the attaching parts 21 of the connection bar 22 to connect the attaching parts of the auxiliary play equipments.
Patent JP-2002242513-A (JP)
Title: Pivot hinge
Inventor: DEMUKAI YASUSHI
IPC: E05D7/081
Filed: 2001-02-16
Abstract: PROBLEM TO BE SOLVED: To provide a pivot hinge having a function in which the maximum angle of opening of a door is set in pivot hinge itself. SOLUTION: The pivot hinge 1, which is composed of a pivot member 3 installed on the upper frame 2 side of a building and a pivot member 5 mounted on the door 4 side and in which the shaft 13 of the pivot member 3 on the building side is inserted into the hole section 12 of a bearing member 11 for the pivot member 5 on the door 4 side, is provided with striking sections 17 and 20 mutually abutted against the pivot member 3 on the building side and the pivot member 5 on the door 4 side respectively when the door 4 is opened at a fixed angle.
Patent JP-2001215794-A (JP)
Title: Image forming machine
Inventor: ENDO HIROHISA
IPC: G03G15/09
Filed: 2001-02-16
Abstract: PROBLEM TO BE SOLVED: To completely correct the unevenness of the distribution of developer even when some unevenness exists in the distribution of the developer in a width direction in a developer drawing-up area. SOLUTION: A uniformizing member having an acting surface gradually approaching the peripheral surface of a sleeve member is disposed toward a downstream side as seen in the rotating direction of the sleeve member on the upstream side of a developer regulating member. A space between the downstream edge of the acing surface of the uniformizing member and the peripheral surface of the sleeve member is set to be larger than a space between the developer regulating member and the peripheral surface of the sleeve member but smaller than the layer thickness of the developer held on the peripheral surface of the sleeve member in the developer drawing-up area.
Patent JP-2002241051-A (JP)
Title: Carbon fiber bundle reeling method
Inventor: OUCHI KAZUE
IPC: D02J13/00
Filed: 2001-02-16
Abstract: PROBLEM TO BE SOLVED: To provide a carbon fiber bundle reeling method capable of reducing any breakage or shag caused when reeling carbon fiber bundle from a winding bobbin. SOLUTION: When reeling the carbon fiber bundle Y from the winding bobbin 1 with the carbon fiber bundle Y treated by sizing agent mainly consisting of uncured thermosetting resin wound therearound and feeding it to a next step, the carbon fiber bundle is reeled while heating the winding bobbin 1, or reeled while maintaining a heat-insulated condition by the pre-heating.
Patent JP-2002240499-A (JP)
Title: Decorating device
Inventor: ODAJIMA NORIKO
IPC: B44C5/00
Filed: 2001-02-20
Abstract: PROBLEM TO BE SOLVED: To provide a decorating device wherein the decorating property and the amusement property are increased by changing the appearance by a simple operation, and the change of feeling can be obtained, in the place of a decorating means such as a conventional flower ornament having a fixed constitution wherein the appearance configuration cannot be changed. SOLUTION: This decorating device is equipped with a central decorative section 2, openable decorating members 3, an operating means 4, and a closing means 5. In this case, a plurality of the openable decorating members 3 are arranged along the outer peripheral edge of the central decorative section 2, and are equipped with decorative surfaces on both of the front and rear surfaces. The opening means 4 urges or holds the openable decorating members at an opening location. The closing means 5 displaces or deforms all or one section of the openable decorating members under the opened state to a closing location.
Patent JP-2002239568-A (JP)
Title: Treating method of waste liquid
Inventor: UDAGAWA MAKIKO
IPC: C02F1/62
Filed: 2001-02-21
Abstract: PROBLEM TO BE SOLVED: To provide a treating method of waste liquid which can efficiently treat waste liquid discharged from in a chemical mechanical polish process (CMP waste liquid), containing colloidal silica, copper compounds, hydrogen peroxide, and COD components, and stably obtain high-quality treated water at a low cost. SOLUTION: The CMP waste liquid, which contains colloidal silica, copper compounds, hydrogen peroxide, and COD components, and the like are treated with primary pH adjustment, membrane separation, and secondary pH adjustment in sequence.
Patent JP-2002244731-A (JP)
Title: Mobile work robot
Inventor: HAJI MASAYO
IPC: B25J13/06
Filed: 2001-02-21
Abstract: PROBLEM TO BE SOLVED: To solve the problems in a conventional mobile work robot that a user cannot know the accuracy of recognition and a degree of performing work accurately and the user must approach a robot main body to confirm various conditions of the mobile work robot, thereby causing inconvenience, although the mobile work robot is very convenient for performing work automatically by recognizing a work region and an obstacle. SOLUTION: This mobile work robot consists of a main body part 1 performing work by moving and a radio information terminal unit part 2, and the radio information terminal unit part 2 receives various types of information of the main body part 1 transmitted by a transmission means 21 of the main body part 1 by a reception means 23 and displays the contents by a display means 25 to inform the information.
Patent JP-2002252608-A (JP)
Title: Hash value generating method, method and system for updating encryption key, hash value generating program and encryption key updating program, and recording medium having saved the hash value generating program and recording medium having saved the encryption updating program
Inventor: MURANUSHI TOSHIHIKO
IPC: G06F21/60
Filed: 2001-02-22
Abstract: PROBLEM TO BE SOLVED: To reduce a number of messages necessary for updating a group key when the number of recipients increases, to shorten encryption process load of the messages, and to make management of the recipients easy. SOLUTION: A transmitter device assigns a recipient number to each of the recipient devices, calculates a hash number by hash operation times decided by the recipient number, assigns the hash number to each of recipient devices, and transmits the hash value and the recipient numbers of recipient devices not being an encryption key update object to recipient devices being encryption key update objects. The recipient devices being encryption key update objects receive the hash value and the recipient number, and generate a hash value according to own recipient number by using the same hash function used for generating former hash value.
Patent JP-2002250800-A (JP)
Title: Electron beam treatment device
Inventor: YAMAGUCHI MASANORI
IPC: G21K5/04
Filed: 2001-02-23
Abstract: PROBLEM TO BE SOLVED: To provide an electron beam treatment device that can exactly measure only the quantity of electron beams emitted from corresponding electron beam tubes. SOLUTION: In an electron beam treatment device which has electron beam tubes 1 and electron beam quantity detection components 2 that respectively detect the quantity of the electron beams emitted from the electron emission windows 11 of each of the electron beam tubes 1 outside the electron emission windows 11, shielding members 9 which block the incidence of the electron beams emitted from other electron beam tubes 1 that do not correspond to them are placed in the electron beam quantity detection components 2.
Patent JP-2002257554-A (JP)
Title: Information delivery device, information acquisition device and information delivery method
Inventor: NAITO HIROYUKI
IPC: G01C21/26
Filed: 2001-02-27
Abstract: PROBLEM TO BE SOLVED: To provide a navigation system capable of receiving position information of a terminal, map information or the like from the outside, and presenting information on the periphery of the present position based on the acquired information. SOLUTION: The navigation system has a constitution wherein plural information providing devices 2 are arranged beforehand at fixed intervals, and a navigation device 1 is moved between the devices, and information such as the position information of the information providing device 2 itself, its peripheral map or the like provided from the information providing device 2 is received intermittently through a receiving part 11, displayed on a display part 17, renewed, and presented to a user, to thereby enable navigation without providing a present position measuring means and map data in the navigation device.
Patent JP-2001263506-A (JP)
Title: Multiway valve
Inventor: FAGERSTROM PETER
IPC: F15B13/042
Filed: 2001-02-28
Abstract: PROBLEM TO BE SOLVED: To provide a multiway valve with its respective valve spools independently operating in a common housing. SOLUTION: The valve housing 1 is formed with an approximately cylindrical axial hole 2 and the hole 2 is formed with inner chambers 4a, 4b, 5a, 5b, and 6 connected to an exhaust port or a feed port. A pressure medium flow between the respective ports is changed over by the positions of the spools including two valve spools 9a and 9b. The valve spools 9a and 9b are axially slidable in the holes 2 independently. Driving pistons 12a and 12b move the respective valve spools 9a and 9b by the control pressure. The exhaust chamber 6 has a connecting part with the exhaust ports 8a and 8b. An exhaust wall 13 is exchangeably arranged in the common exhaust chamber 6 between inside ends of the two valve spools 9a and 9b, divides the exhaust chamber 6 into two parts, and directly connects a major exhaust air flow from the respective valve spools 9a and 9b to the exhaust ports 8a and 8b.
Patent JP-2002260565-A (JP)
Title: Fluorescent character display device
Inventor: MAEDA TADAKI
IPC: H01J31/15
Filed: 2001-03-01
Abstract: PROBLEM TO BE SOLVED: To provide a fluorescent character display device having a compound structure consisting of a VFD structure and a CL structure, and having a uniform and excellent display quality. SOLUTION: A gap G11 between a cathode 6-1 and an anode 5-1 on a VFD structure side is set equal to a gap G12 between a cathode 6-2 and an anode 5-2 on a CL structure side. A gap G21 between a grid 7-1 and the anode 5-1 on the VFD structure side is set equal to a gap G22 between a grid 7-2 and the anode 5-2 on the CL structure side.
Patent JP-2002257267-A (JP)
Title: Structure of marine hose
Inventor: TAKEDA CHIKANORI
IPC: B32B15/14
Filed: 2001-03-01
Abstract: PROBLEM TO BE SOLVED: To provide a structure of a marine hose, having improved breaking strength, at least at the same number or less of layers by uniforming a force applied to a fiber cord every fiber cord layer. SOLUTION: An orientation angle α of the fiber cores 4d and 7a of a fiber cord layer 5 which approaches closest to a steel wire layer 6 is set in the range of 35 deg. to less than 55 deg., preferably in the range of 35 deg. to less than 47 deg.. The range of 35 deg. to less than 55 deg. of the orientation angle α is, furthermore set by taking into consideration fatigue, extension, or the like of the fiber cords.
Patent JP-2002262102-A (JP)
Title: Image coder, image coding method, and its storage medium
Inventor: KOBAYASHI MASAAKI
IPC: H03M7/30
Filed: 2001-03-05
Abstract: PROBLEM TO BE SOLVED: To provide an image coder where the image quality and a higher compression rate are compatible by taking into account a visible characteristic of deterioration in the image quality due to lossy compression of image data. SOLUTION: The image coder is provided with an area separation means that separates image data into areas, a compression means that includes compression systems including lossless compression and lossy compression, and a compression system selection means that selects one compression system from the compression means. Since the compression system selection means adopts a selected compression system for each area and the compression means compresses the image data by using the selected compression system, areas with visibly conspicuous deterioration and areas with visibly inconspicuous deterioration are separated and lossless compression and lossy compression are selectively applicable to the areas.  Thus, the image coder can be obtained, in which the visible characteristic of each area can sufficiently be taken into account and the high compression rate and the image quality are compatible.
Patent JP-2002261245-A (JP)
Title: Integrated circuit device and its forming method
Inventor: KUSUMOTO KEIICHI
IPC: H01L25/065
Filed: 2001-03-05
Abstract: PROBLEM TO BE SOLVED: To provide an integrated circuit device, in which the structure of wiring is designed properly, taking into consideration the area and the consumption current of the circuit or which is suitable for inspection of the connecting state of a connection terminal. SOLUTION: An element power source wiring 2a, connected with a circuit including a plurality of cells 1, an element ground wiring 2b, an integrated power source wiring 3a connected with the element power source wiring 2a, and an integrated ground wiring 3b connected with the element ground wiring 2b are arranged on a first wiring layer. A distribution power source wiring 4a, connected with the integrated power source wiring 3a, and a distribution ground wiring 4b connected with the integrated ground wiring 3b are arranged on an upper wiring layer, which is positioned at a location higher than the first wiring layer.  On the basis of the wiring structure formula which shows the relation of a voltage decrease amount of a wiring, the wiring area and the consumed current, and a circuit characteristic formula, which shows the relation between the area of a circuit area and consumed current, in the case that the circuit is subdivided, while the ratio of an area of a circuit and the consumption current is kept constant, the wiring structure is determined.
Patent JP-2002253304-A (JP)
Title: Ornamental clasp and its manufacturing method
Inventor: KIMURA TAKESHI
IPC: A44C25/00
Filed: 2001-03-05
Abstract: PROBLEM TO BE SOLVED: To provide an ornamental clasp that is narrow, allows an easy linking and release and does not easily come off, once it is linked. SOLUTION: The clasp consists of a male case 2, a V-shaped thin plate spring 1 the base part 1a of which is fixed to the male case and a female case which faces the male case 2 at their connected ends 2b and 3b in their longitudinal directions. The thin plate spring 1 consists of the base part 1a and the upper part 1c which is the extension of the base part which starts from the connected end 2b with the male case 2 in the longitudinal direction and bends at the bending part 1b in the upper direction. Two tooth-like protrusions 1e which engages with the engaging part 3e of the female case are arranged on the top of the upper part.