baber/WOPTO huggingface dataset:
Patent JP-2001258589-A (JP)
Title: Method for producing dextran
Inventor: OKADA GENTAROU
IPC: C12P19/08
Filed: 2000-03-23
Abstract: PROBLEM TO BE SOLVED: To provide a method for producing dextran by which the dextran can be produced using a dextrin dextranase in a high yield. SOLUTION: This method for producing the dextran, comprising allowing a dextrin dextranase to act on one or more kinds of partial starch hydrolyzates, characterized by carrying out the action of the dextrin dextranase in the coexistence of an α-glucosidase.
Patent JP-2001262314-A (JP)
Title: Apparatus and method for depositing amorphous carbon film
Inventor: AKIYAMA TOMOO
IPC: G11B5/84
Filed: 2000-03-23
Abstract: PROBLEM TO BE SOLVED: To provide an apparatus and a method for depositing an amorphous carbon film having the high film hardness. SOLUTION: In a magnetron discharge type sputtering apparatus, a cylindrical carbon target having a hollow portion with one end opened and the other end closed is disposed, the plasma is generated in the hollow portion, and an aperture of the target is separated from a substrate so as to deposit the amorphous carbon having the film hardness Hv>=1,500 kgf/mm2. A magnetic circuit to form a magnetic field in which the plasma emitted from the target is converged on the substrate is disposed outside the target in the vicinity of the aperture, and an ion acceleration electrode is provided between the aperture and the substrate so as to apply the voltage in a range in which the etching is not predominant to the acceleration electrode. The amorphous carbon film having the film hardness Hv>=1,500 kgf/mm2 is deposited using the apparatus.
Patent JP-2001265348-A (JP)
Title: Keyboard device
Inventor: TANIGUCHI HIROKAZU
IPC: G10H1/00
Filed: 2000-03-23
Abstract: PROBLEM TO BE SOLVED: To make keys to be touched visible even if the front sides of keys are concealed by the palms of the hands, etc. SOLUTION: The keyboard device is constituted by providing a keyboard chassis 2 arranged with the keys (hereafter only the white keys 3 are explained) having light transparency turnably in a vertical direction with luminous bodies 14 for the white keys in correspondence to the front lower sides of the white keys 3 and causes the luminous bodies 14 to emit light in this state to glitter the front sides of the white keys 3 by illumination from below this side. The white keys 3 are provided with light transmission members 20 for the white keys 3 to introduce part of the light emitted by the luminous bodies 14 to the rear sides of the white keys 3.  Then, the light from the luminous bodies 14 illuminates the front sides of the white keys 3 and part of the light is introduced by the light transmission members 20 and is emitted from the rear sides of the white keys 3 and therefore the front sides and rear sides of the white keys 3 may be simultaneously glittered, by which the rear sides of the white keys 3 are glittered even if the front sides of the white keys 3 are concealed by the player' hands when the plural white keys 3 are simultaneously touched in order to play chords or the like and therefore the player is able to surely visually recognize the white keys 3 to be touched without missing.
Patent JP-2000334890-A (JP)
Title: Packaging film
Inventor: TAKISHIMA TADASHI
IPC: B32B27/32
Filed: 2000-03-24
Abstract: PROBLEM TO BE SOLVED: To provide a packaging film having low moisture permeability and excellent moistureproof properties and excellent in various characteristics such as easy tearing properties, transparency, interlaminar adhesion, tensile elongation, self-adhesion or the like. SOLUTION: A packaging film comprises a laminate wherein layers 2b1, 2b2 comprising a thermoplastic resin are provided on both surfaces of a layer 2a comprising an alicyclic structure-containing polymer resin and a ratio of the thickness (T1) of the layer 2a comprising the alicyclic structure-containing polymer resin and the thickness (T2) of the layers 2b1, 2b2 comprising a thermoplastic resin is T1:T2 = 1:0.5-1:15 and the whole thickness (T3) of the laminate is 50 μm or less.
Patent JP-2001272610-A (JP)
Title: Eyepiece
Inventor: KOIZUMI NOBORU
IPC: G02B25/00
Filed: 2000-03-27
Abstract: PROBLEM TO BE SOLVED: To obtain an eyepiece capable of securing eye relief to be long to such an extent that it is not hard-to-use in usage even when a focal distance is short, and mainly obtaining optical performance and shape suitable to an image intensifier. SOLUTION: In this eyepiece 10, a 1st lens group G1, a 2nd lens group G2 and a 3rd lens group G3 are disposed in order from an observer side. The 1st lens group G1 has positive power, and the 2nd lens group G2 has negative power. The 3rd lens group G3 includes a positive lens L4, a negative lens L5 and a positive lens 6. The negative lens L5 of the 3rd lens group G3 turns its surface having the small radius of curvature to the observer side. The 1st lens group G1 is constituted of a single lens L1 which is biconvex and positive, and the 2nd lens group G2 is constituted of a doublet obtained by bonding a negative meniscus lens L2 turning its concave surface to the observer side and a positive meniscus lens L3 turning a concave surface to the observer side.
Patent JP-2001276844-A (JP)
Title: Water producing method and water producing system
Inventor: WATANABE YOSHIKIMI
IPC: B01D21/08
Filed: 2000-03-29
Abstract: PROBLEM TO BE SOLVED: To decrease the frequency of clogging of a using separation membrane and to stably feed purified water. SOLUTION: To raw water, a pH adjusting agent and a flocculant are added and mixed, the pH of the water is controlled to be in the range of 6 to 7, and flocculated impurities are settled and settled impurities are separated, and further filtered with the separation membrane having 1 mm to 10 μm fine pore diameters, and then remaining impurities are removed to produce purified water. By a flocculating and settling separation operation, both contamination substances of a turbid component and humic matter in river water and lake and marsh water are separated and removed simultaneously and on a high level.  Thus, rapid increase of filter resistance of a fine filter membrane and an ultrafiltration membrane, etc., used as the successive filter means; is prevented and the service life of the separation membrane becomes long and setting of the operation condition is easy and excellent quality of water be stably supplied.
Patent JP-2001280119-A (JP)
Title: Exhaust emission control device for internal combustion engine
Inventor: TOSHIOKA TOSHISUKE
IPC: B01D53/94
Filed: 2000-03-29
Abstract: PROBLEM TO BE SOLVED: To provide an exhaust emission control device for an internal combustion engine capable of unifying a flow rate and a flow speed of an exhaust gas flowing into a filter, and prevent the deflection of particulates accumulated on the filter. SOLUTION: This exhaust emission control device comprises a filter 22 for capturing the particulates, a first path 76 and a second path 77 branched from an exhaust pipe 70 and connected to the filter, and a bypass path for exhausting the exhaust gas without passing through the filter from a branch point, the second path is connected to the bypass path when the exhaust pipe is connected to the first path at the branch point for discharging the exhaust gas to the atmospheric air successively through the first path, the filter, and the second path, on the other hand, the first path is connected to the bypass path when the exhaust pipe is connected to the second path for discharging the exhaust gas to the atmospheric air successively through the second path, the filter and the first path,  and further a means for unifying a flow rate and a flow speed of the exhaust gas flowing into the filter from the first path and the second path, with respect to a contact surface with the filter is mounted.
Patent JP-2001285674-A (JP)
Title: Television signal receiver provided with ghost reduction function
Inventor: YAMAGUCHI KOICHI
IPC: H04N5/21
Filed: 2000-03-30
Abstract: PROBLEM TO BE SOLVED: To provide a television signal receiver provided with a ghost reduction function that can set a wait time after the start of ghost reduction processing until display of its image to an optimum state sufficiently matched with a state of a radio wave for each channel and a generating state of ghost or the like. SOLUTION: When a GR processing is requested, a control section 18 allows a switch section 13 to switch an output television signal from a GR processing section 17 to be led to signal processing sections 14-16. Storage sections 22, 23 are provided to set a time after the request of the GR processing until switching of the switch section 13 corresponding to each channel, and when the GR processing is requested, the control section 18 reads the time corresponding to the reception channel from the storage sections 22, 23 and controls the switch section 13 to be switched in the elapsed state of the time.
Patent JP-2001280877-A (JP)
Title: Heat transfer tube for heat exchanger and fin-tube type heat exchanger
Inventor: TSUCHIYA AKINORI
IPC: F28F1/12
Filed: 2000-03-30
Abstract: PROBLEM TO BE SOLVED: To provide a heat transfer tube for a heat exchanger and a fin-tube type heat exchanger, which are narrowed in a gap between a copper or a copper alloy tube and fin members, reduced in a thermal resistance and excellent in a heat transfer performance. SOLUTION: The heat transfer tube for the heat exchanger is provided with a metallic or alloy film formed on the outer surface of the copper or copper alloy tube. The heat conductivity of the film is 10 W/mK or more and the thickness of the film is 0.1-50 μm. The maximum average roughness is preferable to be 1.0 μm or less while the film can be constituted of one kind selected from Sn, Sn alloy or a group consisting of Sn and Sn alloy.
Patent JP-2001284595-A (JP)
Title: Manufacturing method for semiconductor device
Inventor: JIROKU HIROAKI
IPC: H01L21/336
Filed: 2000-03-31
Abstract: PROBLEM TO BE SOLVED: To provide a process for manufacturing a semiconductor device formed on a substrate which comprises a semiconductor film of large crystal grain size of good crystallinity with the position of crystal grain boundary of a channel formation layer being controlled for good characteristics and less variation. SOLUTION: On a quartz substrate 11, a gate electrode 12 is formed, and then a gate insulating film 13 is formed before a semiconductor film 14 is formed. YAG2ω laser 15 is projected from the semiconductor film 14 side.
Patent JP-2001019869-A (JP)
Title: New pigment and its preparation and use
Inventor: KAUL BANSI LAL
IPC: C08K5/00
Filed: 2000-03-31
Abstract: PROBLEM TO BE SOLVED: To obtain a hybrid pigment which has an excellent dispersibility and high color density and chroma and exhibits an excellent heat stability when compounded into a resin by dissolving a crude pigment bearing acid hydrogens like -NH or OH groups in a diketopyrrolo[3,4-c]pyrrole pigment alkali salt suspension to give a pigment-salt suspension and then precipitating the pigment and the salt together. SOLUTION: An alkali salt suspension of a diketopyrrolo[3,4-c]pyrrole pigment represented by formula I is mixed with a crude pigment bearing acid hydrogens like -NH, -OH, or -CONH- in the presence of an excess base to precipitate the salt and the crude pigment together, In formula I, A and B are each independently a group represented by formula II (wherein R1 and R2 are eachindependently H, a halogen, 1-5C alkyl, nitrile, or phenyl). Preferably, the hybrid pigment is precipitated from the pigment salt suspension by drowning into water or an alcohol or a mixture thereof in the presence or absence of an inorganic or organic acid.
Patent JP-2001280009-A (JP)
Title: Structure of exterior wall with window
Inventor: NAKAGAWA HIROSHI
IPC: E06B1/62
Filed: 2000-03-31
Abstract: PROBLEM TO BE SOLVED: To improve a commercial value by making an external facing material appear to be thicker than the actual thickness in the case of looking at the external facing material including a window, from the outdoors. SOLUTION: A window opening 3 is formed in an exterior wall 2 with the external facing material 1 fitted to an outer surface part, and a sash window frame 4 is disposed at the window opening 3. An outer surface part of the sash window frame 4 is disposed in a position retreated onto the indoor side from the external facing material 1 constituting the outer surface part of the exterior wall 2. A side piece part 6 is projected onto the indoor side from one end of an outer surface piece part 5 of the same wall thickness as the external facing material 1 to form an external facing material 7 of L-shape cross section for a window edge of the same outer surface finish as the external facing material 1.  The external facing material 7 for the window edge is disposed around the window opening 3, and the outer surface piece part 5 is positioned at the outer surface part of the exterior wall 2 so as to be adjacent to the external facing material 1, while at least the part, positioned on the outdoor side from the outer surface part of the sash window frame 4, of the inner peripheral surface part of the window opening 3 is covered with the side piece part 6.
Patent JP-2001287862-A (JP)
Title: Remainder detector for rolled recording medium
Inventor: KUMAGAI YUKITAKA
IPC: B65H26/08
Filed: 2000-04-06
Abstract: PROBLEM TO BE SOLVED: To provide a remainder detector for rolled recording medium never causing the complication of structure, rise in manufacturing costs, or enlargement of outer dimension of a device using the remainder detector for rolled recording medium, nor malfunctioning by the looseness of the recording paper drawn from a rolled recording paper. SOLUTION: This remainder detector for rolled recording medium comprises a rotating member intermittently rotated according to the intermittent drawing of a recording medium 14 from a rolled recording medium; a rotating quantity detecting means 17b for detecting the rotating quantity of the rotating member; and a remainder calculating means 100b for calculating the remainder of the rolled recording medium on the basis of the output from the rotating quantity detecting means. The remainder calculating means integrates the rotating quantity of the rotating member detected by the rotating quantity detecting means from a plurality of intermittent rotations of the rotating member, and calculates the remainder of the rolled recording medium on the basis of the integrated rotating quantity.
Patent JP-2001291957-A (JP)
Title: Wiring board and manufacturing method therefor
Inventor: OKUBO RIICHI
IPC: H05K3/42
Filed: 2000-04-07
Abstract: PROBLEM TO BE SOLVED: To provide a wiring board which is manufactured, while using a forming method for fine via hole for completely filling a hole for fine micro-via hole (having a hole diameter of <=50 μm and an aspect ratio of >=1), and to provide a producing method therefore. SOLUTION: Insulating layers 13 are formed on both the sides of an insulating substrate 11 formed with wiring layers 12a and 12b, holes 14a and 14b for via hole are formed at the prescribed positions of the insulating layers 13 by laser working, and catalyst cores are formed on the surfaces of the wiring layers 12a and 12b inside the holes 14a and 14b for via hole by substitution reaction treatment in a catalytic liquid, containing dihydric palladium ions. Copper is deposited inside the holes 14a and 14b for via hole by electroless copper plating, via holes 15a and 15b are formed, wiring layers 16a and 16b are formed on both the sides by a well-known method, and the four-layer build-up multilayered printed board can be provided.
Patent JP-2001290320-A (JP)
Title: Image density controller and image forming device using the same
Inventor: SOGA HIROO
IPC: G03G15/00
Filed: 2000-04-07
Abstract: PROBLEM TO BE SOLVED: To provide an image density controller capable of highly accurately detecting the density of a toner image for image density detection formed on an image density detecting medium in the case of detecting the density of the toner image for image density detection forming on the image density detecting medium, and then, capable of highly accurately controlling the image density. SOLUTION: At least one of the emitted light wavelength of an optical density detecting means, the received light wavelength of the means, and the mirror reflectivity of the image density detecting medium is set so that the mirror reflectivity of the image density detecting medium at the emitted light wavelength and/or received light wavelength of the optical density detecting means may be increased.
Patent JP-2001250215-A (JP)
Title: Magnetic head slider
Inventor: OTSUKA TOMOO
IPC: G11B21/21
Filed: 2000-04-07
Abstract: PROBLEM TO BE SOLVED: To provide a magnetic head slider which can prevent attracting force of the slider and a magnetic disk from becoming high by enhancing the wear resistance of projections provided on a rail of the slider. SOLUTION: In the magnetic head slider S provided with core material for a magnetic head 11 in a platy main body 10 of the slider and for performing the writing or the readout of magnetic information to the magnetic disk, side rails 12 and 12 for buoyancy occurrence are formed in a medium facing surface at the side of the magnetic disk 71 of the main body 10 of the slider, and the projections 17 and 18 with film hardness 22GPa or more are provided in the side rails 12 and 12.
Patent JP-2001289543-A (JP)
Title: Ice making apparatus and freezing refrigerator equipped with the same
Inventor: MOGI JUNICHI
IPC: F25C1/10
Filed: 2000-04-10
Abstract: PROBLEM TO BE SOLVED: To make high quality transparent ice in a short time by degassing air bubbles by effectively allowing them to rise to the surface in a short time. SOLUTION: A bubbling mechanism 22 is provided which includes a nozzle 34 that is provided at an upper portion of an ice making pan 21, and is dipped in its tip end in water stored in each ice making block 24, and further blows air sent with a pump 31 into the water. Hereby, air bubbles are effectively allowed to rise to the surface for degassing in a short time, whereby high quality transparent ice is made in a short time.
Patent JP-2001287744-A (JP)
Title: Transporting container
Inventor: MORI HITOSHI
IPC: B65D21/04
Filed: 2000-04-07
Abstract: PROBLEM TO BE SOLVED: To provide a transporting container T in which a card clip C is hung down by holding an upper end 5d of the card clip C and at the same time both sides 5a" of the card clip are held. SOLUTION: A card clip is hung down by holding an upper end of the card clip at a transporting container. Both sides of the card clip are held at the transporting container, so that oscillation of the lower end of the card clip is prevented and accordingly there is no fear that the card clip is caught by other items during transportation of the transporting container, the transporting operation for the transporting container is obstructed, and the card clip is off the transporting container.
Patent JP-2001297821-A (JP)
Title: Cable connector changing jig, cable connector and data input and output card
Inventor: KASUYA TAKAYUKI
IPC: H02G3/30
Filed: 2000-04-13
Abstract: PROBLEM TO BE SOLVED: To provide a cable direction changing jig that can freely change the position of direction of drawing a cable from a cable connector and that is of a simple structure and easy to manufacture and assemble. SOLUTION: The cable connector 50 is connected with a back connector 2 equipped at the edge of a connector 30 of the PC card 1. At the opposite position of the terminal 3 of a cable connector 50, a cable 5 is connected. The cable direction changing jig 6 has a slit formed on a L-shaped thick cylindrical member at the outside periphery to the axis direction viewing from the plane direction. The inside structure of the cable direction changing jig 6 is an arc shape groove of a nearly same diameter as that of the cable 5 and is formed to hold the cable 5 fitted in the arc shape groove.
Patent JP-2001302703-A (JP)
Title: Preparation method of modified polybutadiene, modified polybutadiene, and rubber composition
Inventor: INOUE TOKUJI
IPC: C08F4/70
Filed: 2000-04-18
Abstract: PROBLEM TO BE SOLVED: To provide a preparation method of a modified polybutadiene as a rubber component having low rolling resistance and excellent wet skid resistance when used as a rubber material for automobile tires. SOLUTION: A polybutadiene which is obtained by polymerizing 1,3-butadiene in the presence of a cobalt-based catalyst composition comprising a cobalt compound, a halogen-containing organic aluminium compound and water or a nickel-based catalyst composition comprising a nickel compound, an organic aluminum compound and a fluorine compound is modified with an organic silicon compound having at least an epoxy group and an alkoxy group.
Patent JP-2001305983-A (JP)
Title: Portable type apparatus
Inventor: ENDO TOSHINORI
IPC: G09F9/00
Filed: 2000-04-18
Abstract: PROBLEM TO BE SOLVED: To facilitate the exchange of a stored medium and display content of a portable type display apparatus. SOLUTION: A portable type display apparatus main body 5 has a attachable/ detachable type liquid crystal display device 3 and further a storage medium integrated circuit 6a or 6e provided on the display device. The display apparatus main body 5 and the liquid crystal display device 3 are detached from the main body rear face with a screw 4a and are exchanged for the display apparatus main body having another storage medium integrated circuit or another liquid crystal display content to easily realize exchange of the stored medium or display content of the portable type display apparatus.
Patent JP-2001308496-A (JP)
Title: Method for forming electrode on functional film
Inventor: MUCHI TSUNEO
IPC: G02B1/14
Filed: 2000-04-19
Abstract: PROBLEM TO BE SOLVED: To form an electrode having high reliability without bringing about a deformation of a functional film. SOLUTION: A method for forming the electrode on the functional film 1 comprises a step of patterning a conductive paste 10 on a surface (one main surface) of the film 1 in which a resin film is used as a substrate, and a step of forming the electrode by curing the paste 10 by radiating a light (e.g. a halogen light) from a rear surface side (the other main surface side) of the film 1 to the paste 10.
Patent JP-2001308485-A (JP)
Title: Flexible printed board and manufacturing method therefor
Inventor: NISHIDA JUNICHI
IPC: H05K1/14
Filed: 2000-04-20
Abstract: PROBLEM TO BE SOLVED: To provide a flexible printed board in which a rigid board is prevented from being stripped from the flexible printed board to cause open circuit of wiring in the flexible printed board. SOLUTION: A land 11 having a void 12 is provided on a flexible printed board 7, a component 15 having a metal is placed on a land 13 of a rigid board 10 facing the land 11, the land 11 of the flexible printed board 7, the land 13 of the rigid board 10 and the component 15 having a metal are then bonded together through a solder thus reinforcing adhesion of the flexible printed board 7 and the rigid board 10.
Patent JP-2001300612-A (JP)
Title: Device and method for adjusting level of spindle of rolling mill
Inventor: FUJIWARA SOKICHI
IPC: B21B35/14
Filed: 2000-04-24
Abstract: PROBLEM TO BE SOLVED: To provide a device and method for adjusting the level of a spindle for adjusting the level of the spindle by simple operation in a short time with high accuracy. SOLUTION: This level adjusting device is provided with respective spindle coupllings of upper and lower spindles on both sides of the upper inside surface and both sides of the lower inside surface of a rest frame and a rest arm for receiving both lower side faces of a universal joint. In the level adjusting device, a spindle carrier is invalidated during adjusting the level of the upper and lower spindles.