baber/WOPTO huggingface dataset:
Patent JP-2003083296-A (JP)
Title: Ducted fan
Inventor: MATSUZAKI KATSUYA
IPC: B64D33/00
Filed: 2001-09-10
Abstract: PROBLEM TO BE SOLVED: To provide a ducted fan giving noise reducing effect even when a duct length is short and having a light and low-cost structure. SOLUTION: This ducted fan comprising moving blades of the fan inside a duct part is formed by assembling to the duct part a ring-shaped slit type resonator having an annular slit having a constant width and a radially constant depth and being drilled inside a moving blade face or at a position of or within 20% in distance of internal radius of the duct.  For a duct mode of a circumferential degree the most contributable to the target noise by interaction of acoustic power from a sound source and that from an opening of the slit, the width and the depth of the slit can be set such that audio power compensating effect of the ring-shaped slit type resonator is maximized and the effective region can be expanded to the full region seen from the sound source, and thereby an area required for measures is very small and lightness and low costs can be realized compared with a conventional sound absorption liner.
Patent JP-2002176228-A (JP)
Title: Semiconductor laser element
Inventor: HAYAKAWA TOSHIRO
IPC: H01S5/323
Filed: 2001-09-11
Abstract: PROBLEM TO BE SOLVED: To obtain a small loss Gaussian high-grade beam in a semiconductor laser device having an AlGaN clad layer. SOLUTION: On a GaN substrate 15', eight layers are grown. The layers includes an n-GaN buffer layer 21, an n-In0.1Ga0.9N buffer layer 22, an n-Al0.1 Ga0.9N cladding layer 23 with a thickness of 0.45 μm (Si dope), an n-GaN optical guide layer 24 (the Si dope, and thickness of 0.1 μm), an undoped active layer 25, a p-GaN optical guide layer 26 (Mg dope, and thickness of 0.3 μm), a p-Al0.1 Ga0.9N cladding layer 27 (MG dope), and a p-GaN cap layer 28 (Mg dope, and 0.25 μm). Even if the thickness of the clad layer is set to 0.45 μm, a small-loss laser beam having a propagation loss of 1 cm-1 or less can be obtained by setting the thickness of an optical guide region (the total thickness of the optical guide and active layers) to 0.4 μm or more.
Patent JP-2003082737-A (JP)
Title: Member with elastic hot melt, top plate with sink, and method of connecting sink to roof plate
Inventor: TOMITA ATSUSHI
IPC: E03C1/33
Filed: 2001-09-14
Abstract: PROBLEM TO BE SOLVED: To solve such problems with a means for installing a sink on a roof plate that, though a method for fixing the sink with a metal fitting through a packing at a connection part therebetween or a method for fixing the sink by filling hardening resin onto the rear surface of the connection part through sealant therebetween was adopted, a skill is required for installation and an operation cannot be easily performed, or aging occurs with elapse of time, a next step cannot be started until the sealant is cured, and the sealant flows out of the connection part and an operation for wiping off the sealant is obliged to be performed. SOLUTION: The elastic hot melt is provided between the rear surface peripheral edges of the opening part and the flange part of the roof plate, and pressurized. Then hardening resin is filled into the rear surface of the connection part and cured for fixing, or fixed with a mounting metal fitting to integrally connect the roof plate to a sink.
Patent JP-2003081266-A (JP)
Title: Drum can
Inventor: WADA NAOKI
IPC: B65D55/16
Filed: 2001-09-14
Abstract: PROBLEM TO BE SOLVED: To provide an all-purpose drum can. SOLUTION: The container part of this drum can 1 comprises a tubular body part 2 and a top end plate 3 and a bottom end plate 4 for closing both ends 2a, 2b of the body part 2. A groove 6 is formed continuously in a lattice shape from the center parts 3a, 4a to the outer edge 3b, 4b of the top end plate 3 and the bottom end plate 4. A tubular skirt 7 is formed in a direction parting from the body part 2 along the axis direction of the body part 2 on the plate 3 and the plate 4. A through part 7a going through the panel thickness of the skirt 7 adjoining the part of the skirt 7 formed on the container is provided. In a condition where the can 1 is placed longitudinally, a liquid body can be automatically discharged from the top of the can 1.
Patent JP-2003084101-A (JP)
Title: Resin composition for optical device, optical device and projection screen
Inventor: DOI YASUHIRO
IPC: G03B21/625
Filed: 2001-09-17
Abstract: PROBLEM TO BE SOLVED: To overcome such problems wherein if faces of optical devices are to be adhered, the contour of the optical devices are apt to be damaged and deforms, that even when the hardness is increased, the face of the optical device is easily chipped to induce troubles for handling or cutting, that when the glass transition temperature of the resin is low, rubber elasticity is not obtained and the material plastically deforms by pressure and can not keep its form, and that when the glass transition temperature is too high, the material has high rigidity to produce warpage of the lens sheet. SOLUTION: The above problems can be overcome by specifying the ranges of the half width, 0.1 width and the maximum loss tangent obtained from the loss tangent vs. temperature curve and the temperature corresponding to the maximum loss tangent of the resin composition which constitutes a Fresnel lens sheet 2 or a lenticular lens sheet 3 constituting a projection screen 1.
Patent JP-2003097760-A (JP)
Title: Replacement method of gland packing of hydraulic operation type large size valve
Inventor: OKUDA SUSUMU
IPC: F16K43/00
Filed: 2001-09-21
Abstract: PROBLEM TO BE SOLVED: To replace a gland packing without remounting a hydraulic structure of a hydraulic operation type large size valve. SOLUTION: In the state of releasing the connection of a screw type coupling 40 at a lower end part of a valve stem 12 and a piston rod 44 of the hydraulic structure, a portal shaped jack 64 is arranged to a lower flange 32 of a yoke unit 28 to jack up the valve stem 12. Then, after remounting the coupling 40 from the valve stem 12, the valve stem 12 is jacked down to replace the gland packing 26 of the valve stem 12.
Patent JP-2003099058-A (JP)
Title: Keyboard device
Inventor: ASAHI YASUHIKO
IPC: G10H1/32
Filed: 2001-09-21
Abstract: PROBLEM TO BE SOLVED: To provide a keyboard device which can be increased in portability by minimizing the keyboard thickness while maintaining high durability and operability. SOLUTION: Cases MC which are adjacent to each other among four main cases MC are connected rotatably by connection parts CON1 to CON3 and have both a folding arrangement for easy portage and a plane expansion arrangement for playing through the respective connection parts CON. Each case MC is provided with a keyboard unit KU, whose white keys WK and black keys BK are <=5 mm thick and such that the nearly entire areas, seen in plane view from above, are formed almost on a plane; and the keyboard unit KU is constituted by stacking a base end part KUBa as a black key common base end part for a black key unit KU4B on a base end part KUWa as a white key common base end part for a white key unit KUW.
Patent JP-2003100993-A (JP)
Title: Semiconductor memory cell
Inventor: KOTABE TAKUYA
IPC: H01L27/115
Filed: 2001-09-21
Abstract: PROBLEM TO BE SOLVED: To provide a semiconductor memory cell having good yield that is not peeled off from the dielectric film of an upper electrode film. SOLUTION: The semiconductor memory cell comprises a silicon oxide film 202, an adhesion layer 203 made of a TiO2 , a lower electrode 204 made of Pt, a ferroelectric thin film 205, and an upper electrode 206 made of Pt. A part near the electrode 206 on the ferroelectric thin film is formed of a compound of a composition formula of an SrBi2 (Tax Nb1-x )2 O9 having x=0.7. A part near the electrode 206 of the thin film is formed of the compound of the above composition formula having x=0.7 or more. Thus, grain boundaries of the suitable number are formed on the surface of the film 205 so that an anchoring effect is performed between the film 205 and the electrode 206 by the boundaries, and hence it can prevent the electrode 106 from being peeled off from the film 206.
Patent JP-2003096721-A (JP)
Title: Snow accretion preventive sign
Inventor: MURAKI NORIYUKI
IPC: E01F9/00
Filed: 2001-09-25
Abstract: PROBLEM TO BE SOLVED: To provide a snow accretion preventive sign which is protected from accretion of snow on its indicating board. SOLUTION: The snow accretion preventive sign is formed of the indicating board 100, and a support member 200 supporting the indicating board 100. The indicating board 100 is attached to a horizontal support 220 of the support member 200 in a manner being rockable by wind, and the indicating board 100 is attached to the horizontal support 220 of the support member 200 so as to be tilted downward at about five degrees.
Patent JP-2003108767-A (JP)
Title: Reverse auction system of loan
Inventor: TOYODA TOMIO
IPC: G06Q10/00
Filed: 2001-09-27
Abstract: PROBLEM TO BE SOLVED: To provide a reverse auction system of loan which is advantageous at least for a loan applicant. SOLUTION: In this system for performing reverse auction of the loan by using an intermediary server 3, the intermediary server 3 is provided with a first database DB1 for storing collateral security information, repayment capacity information and a desired amount of the loan of the loan applicant by data from a terminal 1 on the application side of the loan, a first presenting means for presenting the collateral security information, the repayment capacity information and the desired amount of the loan which are stored in the first database DB1 on a terminal 3 on the financing side after authentication of the collateral security information, a receiving means for receiving financing offer transmitted from a client on the financing side based on the presented contents,  a second database DB2 for storing the received financing offer and a second presenting means for presenting the financing offer stored in the second database DB2 to be browsed by the loan applicant.
Patent JP-2003107612-A (JP)
Title: Silver halide color photographic sensitive material and image forming method using the same
Inventor: MATSUNAGA ATSUSHI
IPC: G03C7/407
Filed: 2001-09-27
Abstract: PROBLEM TO BE SOLVED: To provide a silver halide color photographic sensitive material using a photographic emulsion comprising silver iodochloride or silver iodochlorobromide and having high sensitivity, suppressed fog and excellent raw stock preservability and to provide an image forming method using the sensitive material. SOLUTION: The silver halide color photographic sensitive material has at least one blue-sensitive silver halide emulsion layer, at least one green- sensitive silver halide emulsion layer and at least one red-sensitive silver halide emulsion layer on the base, contains a silver halide emulsion having >=95 mol% silver chloride content and 0.5-0.75 mol% silver iodide content and/or 0.05-4.00 mol% silver bromide content in at least one of the photosensitive silver halide emulsion layers and contains at least one of the compounds of the formula (X)1 -(L)m -(A-B)n in at least one of the photosensitive silver halide emulsion layers.
Patent JP-2003110918-A (JP)
Title: Image pickup device
Inventor: NAGASHIMA TOSHIMITSU
IPC: H04N5/232
Filed: 2001-09-28
Abstract: PROBLEM TO BE SOLVED: To provide an image pickup device in which resolution higher than a number of pixels provided in an imaging device can be obtained. SOLUTION: In the image pickup device provided with an imaging device 10 and an optical image pickup system 1 for forming a subject on this imaging device 10, a piezoelectric element 11 is provided for relatively moving the imaging device 10 to the subject so that each of pixels of that imaging device 10 can be positioned between the respective pixels.
Patent JP-2003109377-A (JP)
Title: Ferroelectric memory
Inventor: KASAI MASANORI
IPC: G11C11/22
Filed: 2001-09-28
Abstract: PROBLEM TO BE SOLVED: To discriminate a defective memory cell of a ferroelectric memory in which secular deterioration due to use is predicted, without performing a deterioration accelerating test. SOLUTION: This memory comprises a plurality of pairs of memory cells arranged in a matrix state and storing complementary binary data as a polarization state of a ferroelectric capacitor, a plurality of pairs of word lines and a plurality of plate lines outputting voltage in accordance with complementary binary data to the pairs of bit line by voltage-controlling a plurality of pairs of bit lines and a pair of memory cells connected respectively to pairs of memory cells of the same column with a column unit, a sense amplifier amplifying voltage outputted to the pairs of bit lines, and a switch transistor provided respectively in the bit lines to connect electrically or cut off the prescribed memory cells to respective bit lines of the pairs of bit lines when discriminating defective memory cells.
Patent JP-2002182779-A (JP)
Title: Modified clock signal generator
Inventor: MACE TIMOTHY CHARLES
IPC: G06F1/10
Filed: 2001-09-28
Abstract: PROBLEM TO BE SOLVED: To generate an allowable modified clock signal without depending on an analog circuit. SOLUTION: A circuit 2 for generating the modified clock signal from an input clock signal is provided by a delay line formed of digitally controlled delay line elements between DE1, DE2, DE3, DE4 which a state change propagates. The feedback control applied to the delay line may be arranged such that the system is only stable when locked upon a state in which a predetermined number of signal changes are propagating along the delay line. The digital control of the delay line elements can be gray-coded.
Patent JP-2003108806-A (JP)
Title: Auction system
Inventor: NAKAMURA KAZUYUKI
IPC: G06Q30/06
Filed: 2001-10-01
Abstract: PROBLEM TO BE SOLVED: To efficiently conduct selling and buying of goods by auction conducted on the Internet. SOLUTION: As notification of entry is accepted by a user information accepting part 104, an information control part 105 takes out shop information matching user desire information stored in a user information storage part 102 in a prescribed range from a shop information storage part 101. The shop information taken out is sent by a shop information notification part 106 to be addressed to a radio terminal 500 through a transmitting/receiving part 108 to the Internet 300.
Patent JP-2003113989-A (JP)
Title: Piping
Inventor: KONDO YOSHIYUKI
IPC: F16L53/00
Filed: 2001-10-02
Abstract: PROBLEM TO BE SOLVED: To provide piping preventing damage of blocked piping part without increasing installation area of a piping system. SOLUTION: A falling part comprising a falling start part 20b and a falling finish part 20c and a rising part comprising a rising start part 20d and a rising finish part 20e are provided in upstream of a close valve 30A provided in a branch pipe 20, in a piping system provided with a main flow pipe 10 having high temperature fluid flow therein, the brunch pipe 20 branching off from the main flow pipe 20, the stop valve 30A provided in the branch pipe 20, and a close valve 30B provided in downstream of the close valve 30A. High temperature fluid flowing in the branch pipe 20 from an inlet part 20a through the main flow pipe 10 is circulated between the inlet part 20a and the falling start part 20b by convection to control heat transfer after the falling start part 20b.
Patent JP-2003116222-A (JP)
Title: Self-sustaining control method for distributed power supply device
Inventor: SAKAE NORIO
IPC: G05F1/67
Filed: 2001-10-04
Abstract: PROBLEM TO BE SOLVED: To prevent voltage unbalancing of a three-phase AC output of an inverter by power supply to a single-phase load without using a Scott connection transformer or the like in a distributed power supply device for a photovoltaic power plant or the like. SOLUTION: When the distributed power supply device is disconnected from a system and operated by self-sustaining to supply the AC output to the load, a detected voltage of the AC output is converted into a two-phase voltage by three/two phase conversion and an effective value of the two-phase voltage for every phase is computed. Respective voltage errors of the two-phase voltage are obtained from a gap between a voltage command value of the AC output and the effective value of the two-phase voltage respectively, two-phase control errors of constant voltage control based on the respective voltage errors of the two-phase voltage are obtained, and the respective two-phase control errors are added to the voltage command value to determine the respective control command values for the two-phase voltage and to form three-phase control command values of the constant voltage control for the inverter by the two/ three-phase conversion of the control command values of the two-phase voltage.
Patent JP-2003114546-A (JP)
Title: Full color toner for oilless fixation
Inventor: SUWA YOSHIHITO
IPC: G03G9/08
Filed: 2001-10-05
Abstract: PROBLEM TO BE SOLVED: To provide a full color toner for oilless fixation capable of retaining sufficient image density in any environment over a prolonged period of time even in the case of continuous printing on numerous sheets, not causing the problem of fusion on a developing member or generation of black spots (BS) due to filming on a photoreceptor, exhibiting satisfactory glossiness as a full color image, a color mixing property and transparency (high image quality like a silver salt photograph) to a printed image and capable of exhibiting sufficient light transmittance in an image for OHP (overheat projector). SOLUTION: The full color toner contains at least a cycloolefin copolymer resin as a bonding resin and 7.0-20 wt.%, in total, of waxes blended as a release agent, based on the weight of the toner particles, and the glossiness of the toner face of a printed image using the toner is >=15.
Patent JP-2003115019-A (JP)
Title: Method and system for electronic business transaction
Inventor: SHIMABUKURO TOSHIMASA
IPC: G06Q20/00
Filed: 2001-10-09
Abstract: PROBLEM TO BE SOLVED: To provide an inter-individual electronic business transaction system capable of suppressing the occurrence of illegal action by using a seller terminal and a buyer terminal which are mutually connected through the Internet. SOLUTION: In the case of performing electronic business transaction between individual seller and buyer through the Internet 3 by operating the seller terminal 1 and the buyer terminal 2, an administrator's specified account 7 is accessed through the Internet 2 and a transaction management system 8 managed by an Internet management company. The system 8 is provided with a registration checking server 4 and a deposit data server 5. The administrator has the specified account 7 in a financial institution and the buyer previously deposits a purchase charge in the account 7. When a commodity is sent from the seller and the administrator 7 is informed of the reception of the commodity, the purchase charge is transferred to a buyer's personal account 1.
Patent JP-2003120952-A (JP)
Title: Air conditioner with drain pan
Inventor: SUGIMOTO NAOKI
IPC: F24F13/22
Filed: 2001-10-11
Abstract: PROBLEM TO BE SOLVED: To provide an air conditioner with a drain pan, capable of reducing the manufacturing cost and surely holding water, and having excellent oil resistance and recycling property. SOLUTION: This air conditioner with a drain pan includes a heat exchanger 4, and a drain pan 5 disposed below the heat exchanger 4 for receiving condensed water dropping from the heat exchanger 4. The drain pan 5 is formed by adding a water repellent agent to a foam forming material impregnated with a foaming agent.
Patent JP-2003119920-A (JP)
Title: External heat-insulating structure and heat-insulating panel
Inventor: OTA ISAMU
IPC: E04B1/76
Filed: 2001-10-11
Abstract: PROBLEM TO BE SOLVED: To provide an external heat-insulating structure and an external heat- insulating panel, the cost of which can be reduced, in which operating efficiency can be improved and which have excellent air-permeability. SOLUTION: The external heat-insulating structure has an external heat-insulating layer 20 formed of a plurality of hard heat-insulating materials 21 mutually separated and arranged at the fixed places of a skeleton for a building and soft heat-insulating materials 22 installed among these hard heat-insulating materials 21 and having air- permeability, a vapor-permeable waterproof sheet 23 covering the outside of the external heat-insulating layer 20 and an external facing material 24 mounted outside the sheet 23. The external facing material is supported to the skeleton, holding the hard heat-insulating material 21 sections of the external heat-insulating layer 20.  The external facing material 24 is fixed surely because the external facing material 24 is secured to the skeleton, holding the hard heat-insulating material 21 sections, and the external heat-insulating structure of the building, which has excellent operating efficiency, the cost of which is reduced and which has air-permeability, can be formed by forming the soft heat-insulating materials 22 having air-permeability at a comparatively low cost in the external heat-insulating layer 20 set up among the hard heat-insulating materials 21.
Patent JP-2003124680-A (JP)
Title: Electromagnetic wave absorption material and its manufacturing method
Inventor: HOSOE AKIHISA
IPC: H05K9/00
Filed: 2001-10-15
Abstract: PROBLEM TO BE SOLVED: To provide an electromagnetic wave absorption material which has a high absorption efficiency of an electromagnetic wave having the specific frequency of a higher frequency band, which exhibits good electromagnetic wave absorption characteristics, which can be reduced in thickness and which can sufficiently deal with requests for further increasing the density, the frequency and down sizing of a device, and to provide a method for manufacturing the same. SOLUTION: The electromagnetic wave absorption material comprises an insulating layer 11 having a predetermined thickness, and a laminate 1 obtained by alternatively stacking many flat magnetic materials 2 each having a predetermined planar shape and a predetermined thickness and disposed on the same planar surface so as not to be brought into contact with each other by orienting the materials 2 in the same direction and magnetic material distribution layers 12 of the structure in which the insulator 12a having the same thickness are filled between the materials 2.  The method for manufacturing the electromagnetic wave absorption material comprises the steps of forming many vent holes arriving at a substrate corresponding to the planar shape of the magnetic material by a photolithography on a resist film, forming the magnetic material in which the magnetic materials are filled in the vent holes, and forming the magnetic material distribution layer by further polishing the magnetic materials and the resist film to a predetermined thickness.
Patent JP-2003119658-A (JP)
Title: Method for manufacturing fiber web having inelastic extensibility
Inventor: KOBAYASHI TOSHIO
IPC: D04H3/007
Filed: 2001-10-15
Abstract: PROBLEM TO BE SOLVED: To improve the breaking elongation of a web having inelastic extensibility. SOLUTION: A thermoplastic synthetic fiber 35 of a fiber web 41 consisting of a thermoplastic synthetic fiber 35 having inelastic extensibility and having fiber diameter of 5-20 μm is obtained by melt-spinning a mixture of a plurality of thermoplastic synthetic resins having number average molecular weights in a range of 20,000-150,000 at a drafting ratio of 200-2,300. The resin mixture comprises at least two kinds of thermoplastic synthetic resins Ra and Rb whose ratio Ma/Mb of number average molecular weights is >=1.1. The content of Ra is 20-80 wt.%, and that of Rb is 80-20 wt.%, and the content of the total of Ra and Rb is 50-100 wt.%.