baber/WOPTO huggingface dataset:
Patent JP-2003047847-A (JP)
Title: Catalyst for hydrogenation treatment of hydrocarbon oil and method of producing the same
Inventor: YAMAGUCHI TOSHIO
IPC: B01J37/00
Filed: 2001-08-02
Abstract: PROBLEM TO BE SOLVED: To provide a spherical catalyst which has high resistance to sulfur compounds and high hydrogenation activity and is suitably used for reducing the content of aromatic compounds by subjecting hydrocarbon oil containing sulfur compounds or the like, especially a light oil fraction to hydrogenation treatment, and whose carrier can be produced by a simplified production process, and to provide a method of producing the catalyst. SOLUTION: The catalyst contains at least one kind of noble metal selected from noble metals of group VIII of the periodic table as an active component in a silica- magnesia spherical carrier in which magnesia is contained in the range of 25 to 50 wt.% expressed in terms of its oxide. The method of producing the catalyst comprises adding a solution of a polysaccharide to a gel of silica-magnesia hydrate, then mixing them so as to prepare paste in which the concentration is controlled, dropping the paste into a solution containing polyvalent metal ions to form spherical hydrogel, aging the formed gel, washing, drying, firing to obtain the spherical carrier, further impregnating a solution of at least one kind of noble metal selected from the noble metals of group VIII of the periodic table into the fired spherical carrier to support the metal on the carrier, and after drying,  firing the dried carrier.
Patent JP-2002204208-A (JP)
Title: Abnormality detecting circuit for optical receiver, and optical receiver
Inventor: YOSHIKOSHI RENTARO
IPC: H04B10/60
Filed: 2001-08-03
Abstract: PROBLEM TO BE SOLVED: To allow an optical receiver to detect increase in code error rate of a signal. SOLUTION: An abnormality detecting circuit 20 for the optical receiver is equipped with a main discriminating circuit 8a which discriminates the electric signal that a photoelectric converting element 1 photoelectrically converts an optical signal into binary notation according to whether the electric signal is larger or smaller than a specific discrimination threshold, reference discriminating circuits (8b, 8c, etc.), which discriminate the intensity of the electric signal is larger or smaller than a reference threshold different from the discrimination threshold, and an arithmetic circuit 9 which detects abnormality of the signal according to the discrimination results of the main discriminating circuit 8a and reference discriminating circuits (8b, 8c, etc.).
Patent JP-2003047383-A (JP)
Title: Insect light trap
Inventor: MIYATA TAKEO
IPC: A01M1/14
Filed: 2001-08-06
Abstract: PROBLEM TO BE SOLVED: To provide an insect light trap by attracting with light on the assumption of using it in an outdoor, excellent in beautiful appearance in uses other than capturing insects, and capable of making it a smaller size (or making thinner). SOLUTION: This insect light trap consists of an illuminating main body 5 having a light-radiating surface part 2 and a transparent or semi-transparent sticky sheet 15 for insect-capturing, which is pasted to the light-radiating surface part 2. The illuminating main body 5 is obtained by constituting the light- radiating surface part 2 with laminating a dispersing surface 3, a light- introducing surface 9 and a reflecting surface 8 in this order by a front view and installing a light-radiating material 7 for supplying the light to the light- radiating surface part 2 and an electric power source part 17 for the light- radiating material 7.
Patent JP-2003051627-A (JP)
Title: Piezoelectric driver and manufacturing method therefor, piezoelectric actuator, droplet discharge head and ink- jet recording device
Inventor: OGATA KENICHI
IPC: B41J2/14
Filed: 2001-08-07
Abstract: PROBLEM TO BE SOLVED: To provide a laminated piezoelectric driver having high drive efficiency and little characteristic varying factors, a manufacturing method therefor, a piezoelectric actuator, a droplet discharge head, and an ink-jet printing device. SOLUTION: Piezoelectric substance layers 11 and internal electrodes 12, 13 are laminated alternately, and every other piezoelectric substance layer 11 is disposed staggered, so that a part of lamination surface (region C) is not in contact with the adjacent piezoelectric substance layer 11 and a space 17 will be formed by the part of the region C. External electrodes 14, 15, connected to the internal electrodes 12, 13 respectively, are provided at one end of each piezoelectric substance layer 11 and internal electrode 12, 13.
Patent JP-2003051134-A (JP)
Title: Optical disk device
Inventor: YOKOYAMA YOSHIHIKO
IPC: G02B1/18
Filed: 2001-08-07
Abstract: PROBLEM TO BE SOLVED: To provide an optical disk device that prevents stains from sticking to optical components constituting an optical pickup of the optical disk device and that prevents occurrence of reading/writing defects. SOLUTION: In the optical disk device equipped with the optical pickup 21 that records or reproduces information by irradiating the optical disk 4 with a laser beam; on the surface transmitting a laser beam in the optical members 2, 3, 6, 11 that constitute the optical pickup 21, laminated layers 9 mainly composed of photoactive photocatalyst substance are formed, and also, the wavelength of the laser beam emitted from the laser light source 11 of the optical pickup 21 is determined as the one that activates the photocatalyst substance. The photocatalyst substance is a titanium oxide photocatalyst of visible light type which is applied in a wavelength region near 600 nm; a laser diode whose outgoing wavelength is about 600 nm can be used as the laser light source 11.
Patent JP-2003047409-A (JP)
Title: Raw material processing method, feed production method, fertilizer production method and raw material processing apparatus
Inventor: ITAKURA TOSHIMASA
IPC: C05F9/00
Filed: 2001-08-07
Abstract: PROBLEM TO BE SOLVED: To provide a raw material processing method eliminating oil pollution by using the remainder of food, wood shavings and paper scraps, and at the same time, producing no toxic substance, and capable of making an inexpensive good quality feed or fertilizer in a relatively short time, and to provide a feed production method, a fertilizer production method and a raw material processing apparatus. SOLUTION: The raw material processing method comprises treating by saturated steam at high temperature and pressure the remainder of food, wood shavings and paper scraps under the procedure of hydrolysis, pyrolysis, drying and carbonization, and decomposing an organic compound into glucose, amino acid and high fatty acid or actively carbonizing it.
Patent JP-2003055108-A (JP)
Title: Antimicrobial polymer substance and antimicrobial polymer gel
Inventor: MASUI NOBUAKI
IPC: A61P29/00
Filed: 2001-08-16
Abstract: PROBLEM TO BE SOLVED: To obtain a new antimicrobial polymer substance having hydrophilicity or water absorption properties, and an antimicrobial polymer gel. SOLUTION: The antimicrobial polymer substance is characterized by comprising a copolymer obtained by copolymerizing a monomer represented by formula (1) (R<1> is a 1-18C straight-chain or branched chain-containing alkyl group; R<2> and R<3> are each methyl group; X<-1> is a counter ion) with a copolymerizable monomer. The antimicrobial polymer gel is characterized in that water is added to the antimicrobial polymer substance to exhibit a gel-like state.
Patent JP-2002140011-A (JP)
Title: Standing signboard
Inventor: TAGAWA KOUJIYUUROU
IPC: G09F7/18
Filed: 2001-08-20
Abstract: PROBLEM TO BE SOLVED: To provide a standing signboard which is easy to assemble, facilitates the replacement of a display sheet on site, curtails the total amount of wastes by effectively utilizing existing members and contributes to the effective utilization of resources. SOLUTION: The display sheet 3 of the standing signboard formed by constructing a pair of upper and lower crossrails 2 to the top and bottom of a pair of right and left struts 1 and spreading the display sheet across the struts 1 and the crossrails 2 is formed with vertical cylindrical segments insertable with the struts 1 in its right and left side edges and is formed with horizontal cylindrical sections insertable with the crossrails 2 at its upper and lower side edges. Both ends of at least one crossrails 2 of the upper and lower crossrails 2 are provided with fitting means fixable by fitting to the outer peripheral surfaces of the struts 1 from a direction orthogonal with the display surface of the display sheet.  The fitting means comprise holding members 21 fittable to the outer peripheral surfaces of the struts and projecting bodies 23 which are projectingly disposed within these holding members 21 and are fittable into mounting holes 11 formed on the top and bottom of the outer peripheral surfaces of the struts 1 which are the joint parts to the crossrails 2.
Patent JP-2003061573-A (JP)
Title: Kimchi health food storage stability-improving agent
Inventor: RI RENJUN
IPC: A23B7/10
Filed: 2001-08-23
Abstract: PROBLEM TO BE SOLVED: To obtain a new Kimchi health food storage stability-improving agent which can enhance an effect for improving the storage stability of Kimchi as a health food and has excellent safety and excellent profitability without deteriorating the taste, flavor and the like of the Kimchi. SOLUTION: This Kimchi storage stability-improving agent contains lysozyme and calcium carbonate. The lysozyme is preferably obtained from egg albumen as a raw material, and the calcium carbonate is preferably selected from eggshells and shells such as oyster shells as a raw material.
Patent JP-2003068611-A (JP)
Title: Aligner and manufacturing method for semiconductor device
Inventor: FURUTOKU KENICHI
IPC: H01L21/027
Filed: 2001-08-24
Abstract: PROBLEM TO BE SOLVED: To provide an aligner of superior throughput performance. SOLUTION: The aligner exposes a pattern for device provided in a pattern effective region of a photomask (10) to each shot region of a wafer (20) in turn, and comprises an illumination unit (115) that illuminates the whole pattern effective region of the photomask put within a lighting range with exposure light, a mask stage (114) that moves the photomask to the illumination range in the mask-scanning direction, a wafer stage (111) that moves a wafer in the wafer-scanning direction, to a project range to which the pattern effective region of the photomask is projected, and a control means (140) that, after at least one of the shot regions is put within the project range for exposing the pattern for device provided in the pattern effective region of the photomask to the shot regions, synchronously controls the movement of the mask stage and the wafer stage,  while keeping the whole pattern effective region of the photomask within the illumination range.
Patent JP-2002372087-A (JP)
Title: Gas spring
Inventor: SENOO SEIJI
IPC: F16F9/36
Filed: 2001-08-27
Abstract: PROBLEM TO BE SOLVED: To permanently perform a prescribed extending/contracting action while capable of securing the function of an oil chamber. SOLUTION: This gas spring is so formed that an open cell urethane resin impregnant member 7 formed by impregnating lubricant oil in an annular space A partitioned by a retainer 4 and a seal 5, is stored inside an opening end 1a of a cylinder body 1 where the tip side of a rod body 2 is inserted with its freely appearing/disappearing therefrom/in.
Patent JP-2003066254-A (JP)
Title: Array waveguide diffraction grating type optical multiplexer and demultiplexer and its production method
Inventor: KASHIWABARA KAZUHISA
IPC: G02B6/34
Filed: 2001-08-27
Abstract: PROBLEM TO BE SOLVED: To provide an array waveguide diffraction grating type optical multiplexer and demultiplexer by which an optical transmission central wavelength reaches a set wavelength without depending on temperature. SOLUTION: A waveguide formation area 10 where an optical input waveguide 2, a first slab waveguide 3, an array waveguide 4 formed by juxtaposing a plurality of channel waveguides 4a, a second slab waveguide 5 and a plurality of optical output waveguides 6 are successively connected, is formed on a baseboard 1. The first slab waveguide 3 is separated on an intersection separating surface 8 which is cross to the route of a light passing through the first slab waveguide 3.  A slide mobile member 17 for sliding and moving a waveguide formation area 10a at the side of a separation slab waveguide 3a in the direction of arrows C and C' from the waveguide formation area 10b at the side of a separation slab waveguide 3b is fixed and disposed over the waveguide formation area 10a and 10b by temperature which is changed from the setting temperature for nearly the portion of compensating a deviation amount from the setting wavelength of the optical transmission central wavelength in the setting temperature.
Patent JP-2003069422-A (JP)
Title: Reference frequency generating apparatus
Inventor: NAGATOME SEIJI
IPC: H03B5/32
Filed: 2001-08-28
Abstract: PROBLEM TO BE SOLVED: To provide a reference frequency generating apparatus with low power consumption that can generate a synchronizing signal with high accuracy and a reference frequency signal with high stability and reduce a time until the reference frequency is stabilized at starting. SOLUTION: A GPS receiver 2 generates an intermediate frequency signal A and a 1-second pulse signal B synchronously with the coordinated universal time, a frequency converter 4 converts an oscillation signal of a voltage- controlled crystal oscillator 3 covered by a metal-made case 100 into a signal A' with the intermediate frequency, a phase comparator 5 compares the phase of the intermediate frequency signal A with that of the signal A', a crystal voltage controller 6 controls a voltage applied to the voltage-controlled crystal oscillator 3 so as to synchronize the signal A' with the intermediate frequency A on the basis of the result of comparison, a Peltier current controller 9 controls a current supplied to a Peltier element 7 on the basis of the measurement result of an in-case temperature sensor 8 to bring the temperature in the metal-made case 100 to a target setting value.
Patent JP-2003065285-A (JP)
Title: Pump member, turbo molecular pump and surface finished layer
Inventor: YASUI TOYOAKI
IPC: F04D19/04
Filed: 2001-08-28
Abstract: PROBLEM TO BE SOLVED: To provide a pump member provided with both corrosion resistance and high radiation rate and a turbo molecular pump with this pump member applied as a rotor and to provide a surface finished layer which can generally give the above performances to optional members. SOLUTION: On the surface of the rotor which is a component of the turbo molecular pump, the surface finished layer S is formed. This surface finished layer S is made of a first layer which is a metal plated layer S1 made of Ni-P alloy formed by electroless plating and a second layer which is a resin layer S2 formed by electropainting a fluorocarbon resin. An intermediate layer SM made of amorphous organic metal coating is provided between the metal plated layer S1 and the resin layer S2. By this constitution, corrosion resistance is improved by the metal plated layer S1 and the resin layer S2, and heat radiation by the resin layer S2, respectively.
Patent JP-2003063095-A (JP)
Title: Unit coupling device and recording apparatus
Inventor: TAKEDA KAZUHISA
IPC: B41J2/01
Filed: 2001-08-29
Abstract: PROBLEM TO BE SOLVED: To enhance the assemblability or maintainability of a recording apparatus, in which an apparatus body is constituted by combining a plurality of units into one, by facilitating work for coupling or uncoupling the units. SOLUTION: In a printer 100, the apparatus body is equipped with a paper feeding unit 1 and a carriage unit 20, and one unit coupling device 50 is used for a coupling between the two units 1 and 20. The coupling device 50 is equipped with a coupling member 37 which is a platy body; and the coupling member 37 is engaged with a main frame 21a of the carriage unit 20 and a mounting part 2a of the unit 1, so as to couple the two units 1 and 20 together. The coupling member 37 is engaged with the main frame 21a and the mounting part 2a by a latching means and a snap means.
Patent JP-2003072047-A (JP)
Title: Recording apparatus
Inventor: HASHII KAZUHIRO
IPC: B41J29/00
Filed: 2001-08-31
Abstract: PROBLEM TO BE SOLVED: To provide a recording apparatus capable of preventing generation of deflection in flexible wiring boards superimposed by two sets. SOLUTION: A fixing member 209 for fixing on an apparatus main body a part of flexible wiring boards 207a, 207b lead from a controlling part in a state superimposed by two or more sets, comprises a deflecting part 209d for deflecting a part of the fixing part of one of the flexible wiring boards 207b by the other flexible wiring board 207a. Thereby, since the deflection that has been generated at an unintended point can be formed preliminarily at a predetermined position by leading the flexible wiring boards of the same length in the state superimposed by two sets, generation of the deflection at an unintended point can be prevented.
Patent JP-2003074957-A (JP)
Title: Duct for air conditioning
Inventor: KIDA MASAHISA
IPC: F24F13/02
Filed: 2001-09-04
Abstract: PROBLEM TO BE SOLVED: To reduce the number of parts and facilitate a work at a working site by unifying the length of a straight tube for connecting a joint to another joint in a duct for air conditioning, which is arranged between the ceiling and the floor of a building structure such as a high rise building or the like. SOLUTION: A straight tube, arranged between the joint and the joint of the ducts for air conditioning, is manufactured as a constant length straight tube having a predetermined length or the constant length tube having the length of 500 mm, for example, while the constant length straight tube is connected to the joint through an adjusting tube of a predetermined length, whose engaging length with the constant length straight tube is adjustable.
Patent JP-2003075435-A (JP)
Title: Potential sensitivity coloring matter
Inventor: KOJIMA MASAYOSHI
IPC: G01N33/48
Filed: 2001-09-05
Abstract: PROBLEM TO BE SOLVED: To provide a new potential sensitivity coloring matter for measuring active potential of a nerve cell and a heart muscle cell rapidly with high sensitivity. SOLUTION: The potential sensitivity coloring matter contains a coumarin derivative expressed by the following expression I or its salt (in the expression, each of R1 , R2 , R3 , R4 , R5 , R6 , and R6 indicates a hydrogen atom, an alkyl group that may have a substitution group, an alkenyl group that may have a substitution group, or an ayl group that may have a substitution group that are independent one another. R1 and R7 , or R1 and R2 , or R2 and R3 are partially combined to form a five-membered or six-membered ring. A indicates a three- or ten-membered saturation or nonsaturation hetero ring group, and these may have a substitution group.).
Patent JP-2003083193-A (JP)
Title: Fluid fuel pressurizing pump
Inventor: SUZUKI SHIGERU
IPC: F02M37/10
Filed: 2001-09-06
Abstract: PROBLEM TO BE SOLVED: To provide a fluid fuel pressurizing pump capable of properly keeping the lubricating effect of a pump part and a motor part even when the remaining amount of the fluid fuel in a fuel tank is reduced. SOLUTION: This fluid fuel pressurizing pump 12 comprises an axial piston pump mechanism 33 for pressurizing the fluid fuel, and the motor part 30 for driving the piston pump mechanism 33, in a housing. The approximately whole housing of the fluid fuel pressurizing pump 12 is accommodated in the fuel tank 11 for storing the fluid fuel. The fluid fuel pressurizing pump 12 has a constitution to return the residual fluid fuel discharged from the piston pump mechanism 33 to a fuel reserving space of the fuel tank 11 through an internal space of the housing. Whereby the internal space can be easily filled with the fluid fuel even when the remaining amount of the fluid fuel in the fuel reserving space is reduced, and the housing is exposed on the liquid face.
Patent JP-2003083680-A (JP)
Title: Electrode lifting apparatus for arc furnace
Inventor: EHATA MAMORU
IPC: H05B7/109
Filed: 2001-09-10
Abstract: PROBLEM TO BE SOLVED: To provide an electrode lifting apparatus for an arc furnace which does not require an adjustment at a site by a worker even if operation characteristics of the arc furnace are changed. SOLUTION: A sensitivity dead zone characteristic transmitter 8 issues a value of zero when a command value from a comparator 7 is within a predetermined range and a command value based on a predetermined sensitivity dead zone characteristic curve when a command value from a comparator 7 is outside the predetermined range. An overcurrent detector 9 issues a signal for a rapid lift of the electrode when a current supplied to the electrode becomes an overcurrent. An electrode lifting control board 10 controls a lift of the electrode based on the command value from the sensitivity dead zone characteristic transmitter 8 and the signal for the rapid lift of the electrode from the overcurrent detector 9.  On the other hand, a dead zone automatic control circuit 13 amends a sensitivity dead zone characteristic of the sensitivity dead zone characteristic transmitter 8 based on a feedback signal for a speed of the electrode in a predetermined period and a signal for a rapid lift of the electrode.
Patent JP-2003085332-A (JP)
Title: Device and method for informing summary of evaluation results
Inventor: UJIHARA KENJI
IPC: G06Q10/00
Filed: 2001-09-10
Abstract: PROBLEM TO BE SOLVED: To provide an evaluation system capable of objectively evaluating and easily understanding an evaluation for each item. SOLUTION: An evaluator reads a sentence described in each cell for each evaluation item and selects a corresponding cell. Since the evaluator itself does not enter a score, an objective evaluation can be performed. When the cells are selected, the selected cells are highlighted, and the scores of the cells are totaled and the final total is displayed in a display area 65. When the selection is performed for all cells by the evaluator, all cells are printed out, and the print can be used as a distribution for each evaluation item. Thus the weak points and advantages of an evaluated person can be identified.
Patent JP-2003080426-A (JP)
Title: Nc machine tool
Inventor: NAKAI MASATERU
IPC: B23Q1/66
Filed: 2001-09-10
Abstract: PROBLEM TO BE SOLVED: To provide an NC machine tool capable of precisely measuring working precision of a work. SOLUTION: This NC machine tool 1 is furnished with an NC machine tool body 10, a measuring device 20, a pallet exchanging device 30, a cover 2 and a temperature control means 4. A base 21 of the measuring device 20 is provided apart from a bed 11 of the NC machine tool body 10, and a pallet placing base 124 and a three-dimensional measuring instrument 132 are arranged on the base 21. Consequently, it is possible to prevent thermal conduction to the pallet placing base 124 from a heating source of the NC machine tool body 10. Additionally, the cover 2 is provided so as to surround the three-dimensional measuring instrument 132 and the pallet placing base 124, and atmospheric temperature in the cover 2 is held constant by the temperature control means 4.  Accordingly, it is possible to maintain a positional relation of the pallet placing base 124 and the three-dimensional measuring instrument 132 constant and to highly precisely measure the working precision of the work W on the pallet placing base 124.