baber/WOPTO huggingface dataset:
Patent JP-2002298466-A (JP)
Title: Magneto-optical recording device and method, and magneto-optical recording and reproducing device and method
Inventor: ITO AKIYOSHI
IPC: G11B11/105
Filed: 2001-03-30
Abstract: PROBLEM TO BE SOLVED: To form a very small recording mark onto a magneto-optical recording medium. SOLUTION: The magneto-optical recording and reproducing device is provided with: a recording beam emission section 10 that emits a recording beam with a wavelength absorbed more by a recording layer than by a reproduction layer to one side of a magneto-optical recording medium 15 where the recording layer for recording information, the reproduction layer for reproducing information, an auxiliary layer assisting magnetic transfer of the information from the recording layer to the reproduction layer are at least provided and the auxiliary layer is provided between the recording layer and the reproduction layer; a magnetic field application section 16 that applies an external magnetic field to the other side of the magneto-optical recording medium 15;  a reproduction beam emission section 11 that emits a reproduction beam with a wavelength absorbed more by the reproduction layer rather than by the recording layer to the one side of the magneto-optical recording medium 15; and a reflected reproduction beam detection section 2 that detects a reproduction beam reflected by the magneto-optical recording medium 15.
Patent JP-2002302864-A (JP)
Title: Method of producing laminated nonwoven fabric
Inventor: KAWATO KIMIO
IPC: D04H18/00
Filed: 2001-04-02
Abstract: PROBLEM TO BE SOLVED: To provide a method of producing laminated nonwoven fabric that has excellent workability, readily laminates fiber groups for composite material onto nonwoven web or nonwoven fabric in no need of an overmuch size of the production facility with no occurrence of defective appearance, for example, warpage and bend of the laminated body. SOLUTION: When fiber group for composite material is laminated to nonwoven web or nonwoven fabric and they are continuously entangled through the needle punch process into integrated fabric, a plurality of fiber yarns for composite material are taken out of creels and arranged in one direction through a reed and/or a tension controller and fed to the running nonwoven web or nonwoven fabric at a constant speed with powered feed nip rollers to needle- punch them by use of the felting needles whereby the objective laminated nonwoven fabric is produced.
Patent JP-2002305322-A (JP)
Title: Group iii nitride semiconductor light emitting device and its manufacturing method
Inventor: UDAGAWA TAKASHI
IPC: H01S5/323
Filed: 2001-04-06
Abstract: PROBLEM TO BE SOLVED: To provide cladding and emitting layers that are suitable for composing a light emitting section in hetero junction structure having high light emitting output in a group III nitride semiconductor light emitting device using an Si signal crystal as a substrate. SOLUTION: A low-temperature buffer layer is made of Bα GaγAs1- YPY. The clad layer is made of Bα Alβ GaγAs1-δ Pδ . The light emitting layer is made of GaNZP1- Z that is lattice-matched with the clad layer. On an Si substrate whose orientation is  111}, the light emitting section comprising the cladlayer and the light emitting layer is formed via the low-temperature buffer layer, thus composing the group III nitride semiconductor light emitting device.
Patent JP-2002094484-A (JP)
Title: Ofdm receiver
Inventor: YAGI TETSUYA
IPC: H04J11/00
Filed: 2001-04-13
Abstract: PROBLEM TO BE SOLVED: To detect and remove disturbances of frequency selectivity existing in a reception signal, and to reduce the capacity of a memory necessary for that. SOLUTION: A demodulating part 3 is provided with a memory part 33 for interpolating transmission path characteristics in the time axis direction. A disturbance detecting part 4 calculates an error signal, by using the transmission path signal of a pilot signal stored in the memory part 33, and detects the disturbance of frequency selectivity, based on the error signal. An error- correcting part 5 performs error correction, by weighting an information signal demodulated by the demodulating part 3, based on the disturbance detection result. Thus, the memory part 33 can be shared with the demodulating part 3 and with the disturbance detecting part 4, and the total usage amount of the memory can be restrained.
Patent JP-2002314148-A (JP)
Title: Surface mount type light emitting diode and manufacturing method thereof
Inventor: KOIKE AKIRA
IPC: H01L23/28
Filed: 2001-04-13
Abstract: PROBLEM TO BE SOLVED: To provide a surface mount type light emitting diode which utilizes a thin metal substrate for holding its shape, without using any reinforcement, and thus reduce the consumption of a resin for making reinforcements. SOLUTION: The diode comprises a thin metal substrate 22 both ends of which are bent to form a first and second electrodes 25a, 25b having approximately U-shaped sections, a recess 27 formed into the top face of the first electrode 25a and an insulator composed of a slit 30 for separating the first and second electrodes 25a, 25b from each other and a masking tape 31. A downside electrode of a light emitting element 26 is bonded to the bottom of the recess 27, an upside electrode of the element 26 is connected to the second electrode 25b through a binding wire 33, the recess 27 is filled with a first resin 35, and the recess 27 and the upside of the substrate 22 are sealed with a second resin 37 to form a light emitting diode 21.
Patent JP-2002311721-A (JP)
Title: Image forming device
Inventor: KUBOTA AKIRA
IPC: G03G21/10
Filed: 2001-04-17
Abstract: PROBLEM TO BE SOLVED: To dispense with a conventional sensor and the attached circuit, to reduce impacts when a secondary transfer roller and a cleaning blade come into contact with an intermediate transfer body, and also, to reduce a motor load. SOLUTION: The image forming device provided with mechanisms (6 and 9), is provided with touching/separating mechanism driving means (2a, 2b, 2c, 5 and 12) for mitigating the contact impact by applying a braking force in attaching of the mechanisms, and applying a force for accelerating the separation of the mechanisms to achieve instantaneously separation of the mechanism.
Patent JP-2002319607-A (JP)
Title: Semiconductor chip
Inventor: KATO TAKASHI
IPC: H01L23/544
Filed: 2001-04-19
Abstract: PROBLEM TO BE SOLVED: To provide a semiconductor chip which can reduce the area occupied by the TEG element within a semiconductor chip or reduce the area occupied by the electrode pad for measurement of TEG, without reducing the number of pieces of TEG elements or complicating the circuit structure. SOLUTION: The TEG element is made in a vacant region existing between combination pads 230 and 231 for assembly and TEG measurement and an electrode pad 240 for TEG measurement. Then, electrode pads 210 and 216 for assembly and the combination electrode pads 230 and 231 for assembly and TEG measurement are electrically connected with each other through semiconductor element 101 and internal wiring, and the combination electrode pads 230 and 231 for assembly and TEG measurement and the electrode pad 240 for TEG measurement are electrically connected with each other by the TEG element and the internal wiring.
Patent JP-2002316940-A (JP)
Title: Colon cancer-preventing agent
Inventor: MORI HIDEKI
IPC: A61K31/353
Filed: 2001-04-20
Abstract: PROBLEM TO BE SOLVED: To provide a highly safe new colon cancer-preventing agent obtained from a plant raw material such as rice bran, and to provide a drink, a food and a medicine which contain the agent. SOLUTION: This colon cancer-preventing agent is characterized by containing a rice oil extract obtained by the following processes A to D. A: a process for extracting a raw oil from rice bran, B: a process for distilling the raw material under heated vacuum conditions to recover a distillate, C: a process for obtaining a crude extract by adding an organic solvent to the distillate, cooling the mixture and then removing the precipitates, D: a process for concentrating the crude extract to obtain the rice oil extract containing at least one of tocotrienol and tocopherol. The colon cancer-preventing agent is characterized by containing tocotrienol or tocopherol as an active ingredient. The drink, food or medicine is characterized by containing the colon cancer- preventing agent.
Patent JP-2002318554-A (JP)
Title: Image display device and manufacturing method therefor
Inventor: TOYODA YOSHIAKI
IPC: H01L27/06
Filed: 2001-04-24
Abstract: PROBLEM TO BE SOLVED: To provide an image display device high in contrast and low in manufacturing cost. SOLUTION: The image display device has a plurality of gate lines and a plurality of signal lines crossing the plurality of the gate lines in a matrix form, and has an island-like semiconductor layer having a source area, a drain area, and a channel area placed between them, a 1st insulating film formed between the island-like semiconductor layer and the gate electrodes in the same layer as the gate lines, an interlayer insulating film formed above the island-like semiconductor layer, and thin film transistors having signal lines in contact with the source area and the drain area through an opening part provided on the interlayer insulating film, source electrodes of the same layer, and drain electrodes, and the capacitance element is comprised of a holding electrode in the same layer as the gate line, an insulating film formed on the holding electrode,  and an electrode in the same layer formed on the insulating film.
Patent JP-2002324348-A (JP)
Title: Data recording medium, data recording device and method, and data reproducing device and method
Inventor: FURUKAWA SHUNSUKE
IPC: G06F21/62
Filed: 2001-04-25
Abstract: PROBLEM TO BE SOLVED: To provide a data recording medium which can prevent non-serial digital data recorded in different areas from being illegally copied. SOLUTION: In this optical disk 1, new data for reproducing coded data recorded in a twohold density area 5 is generated using digital data recorded in its inner-circumferential area and digital data recorded in its outer- circumferential area. This newly generated data are the information for decoding the coded data. It can be said that this optical disk 1 has two-area in which its inner-circumferential area is physically divided from its outer-circumferential area via an interface. Concretely, this optical disk 1 generates decoding information for reproducing the coded data by a combination of the additional data of content data recorded in the inner-circumferential area and the additional data of content data recorded in the outer-circumferential area.
Patent JP-2002324030-A (JP)
Title: Electronic mail system and destination name adding method therefor
Inventor: NAKANO TETSUYA
IPC: G06F13/00
Filed: 2001-04-25
Abstract: PROBLEM TO BE SOLVED: To provide an e-mail(electronic mail) system and a destination name adding method therefor that, when sending back return e-mail for received e-mail, generate the format of return e-mail for which a name has been added, automatically and appropriately, to the address of e-mail to be returned, and easily use an appropriate name and title of respect for the destination of the return e-mail. SOLUTION: This e-mail system is provided with an address book means 1 and a return mail format generating means 2, so that, if the return e-mail is to be sent back for the received e-mail, the return mail format generating means 2 searches the address book means 1 on the basis of the mail address of the return mail destination, and if the relevant address is stored and a name therefor a id added, substituted the name for the relevant mail address stored in the address book means for the destination name to be added to the mail address of the return mail destination.
Patent JP-2002322938-A (JP)
Title: Method and device for data analysis based upon experimental planning method, data analysis program based upon experimental planning method and computer readable recording medium on which the program is recorded
Inventor: YONETANI SHUHEI
IPC: G06F19/00
Filed: 2001-04-26
Abstract: PROBLEM TO BE SOLVED: To effectively carry out comprehensive performance evaluation in the short period under a plurality of operating conditions of test objects, especially an internal combustion engine, based upon the experimental planning method. SOLUTION: The computer readable recording medium is provided with a statistical analysis means 41 providing statistical analysis processes to test result data obtained by conducting a test based upon the experimental planning method to a plurality of test conditions of test objects respectively, an estimation equation generation means 42 acquiring an estimation equation to respective test conditions of test objects based upon statistical analysis results obtained in respective test conditions by the statistical analysis means 41 and optimization computing means 43 performing the optimization computing to acquire a combination of optimization test parameter satisfying intended characteristics under a plurality of test conditions based upon a plurality of estimated values acquired from estimation equations in respective test conditions obtained by the estimation equation generation  means 42.
Patent JP-2002291063-A (JP)
Title: Remote control system utilizing mobile phone
Inventor: TOTSUKA YUTAKA
IPC: H04W84/10
Filed: 2001-03-23
Abstract: PROBLEM TO BE SOLVED: To provide a remote control system with a large degree of freedom through the use of simplified installation of mobile communication units by employing mobile phones (or PHS terminals) for a transmitter side and a receiver side so as to make installation works or the like unnecessary. SOLUTION: When a receiver side uses a mobile communication unit such as a mobile phone to receive a signal sent from a remote place at a house or the like, the simplicity of installation is provided and a learning remote control function is provided to a device to be connected so as to easily store infrared ray emission LED output specifications for an air-conditioner or the like which are different for each manufacturer and to activate the air- conditioner or the like, thereby solving the above task.
Patent JP-2002330485-A (JP)
Title: Acoustic device and noise canceling headphone
Inventor: KITO KAZUHISA
IPC: H04R3/02
Filed: 2001-04-27
Abstract: PROBLEM TO BE SOLVED: To provide an acoustic device and a noise canceling headphone that eliminate the need for adjusting an electric circuit or the like on every occasion when an input cord or the like is replaced. SOLUTION: The noise canceling headphone comprises a housing section 1 that is placed to cover a part determining an acoustic characteristic including a noise canceling section, a terminal section 7 for an electric circuit in the housing section 1 placed at the outside of the housing section 1, and a cap 4 that is placed to cover the terminal section 7.
Patent JP-2002330502-A (JP)
Title: On-vehicle main-body type automatic train control device
Inventor: AKIYAMA HIROYUKI
IPC: B61L23/14
Filed: 2001-05-01
Abstract: PROBLEM TO BE SOLVED: To improve the operation efficiency of a train. SOLUTION: A ground device 6 transmits the number of a block where the train has to stop to an ATC control unit 4 via the block, an ATC power receiver 9 and an ATC receiving unit 3. The ATC control unit 4 always recognizes the position of the running own train and stores a speed pattern set in advance at every train and every block (a position/allowable speed pattern that shows a reduction process of the train reduced in speed from the maximum speed to a specified stop point of the block, assuming that the brake performance of the train is fully exerted) in a memory 45 as a database, and reads the speed pattern corresponding to the number of a stop block received from the ground device 6.  The ATC control unit 4 compares the own train speed with an allowable speed that is specified by the read speed pattern and the recognized own train position, to control the speed of the train by outputting a brake command to a brake device 5 in line with the deviation of the allowable speed and the own train speed.
Patent JP-2002329463-A (JP)
Title: Etching anticorrosion resin composition and manufacturing method of shadow mask using the same
Inventor: YANAGIMOTO MICHIO
IPC: H01J9/14
Filed: 2001-05-02
Abstract: PROBLEM TO BE SOLVED: To provide an anticorrosion resin composition, which can manufacture easily a shadow mask, which does not have a constricted cross-sectional form but a desirable cross-sectional form, when forming holes of the shadow mask by performing secondary etching until a large hole opening pattern penetrates to a small hole opening pattern, and a manufacturing method of the shadow mask using it. SOLUTION: The etching anticorrosion resin composition is the composite of the combination of the etching anticorrosion resin compositions for a first layer and a second layer, and is the hot-melt type etching anticorrosion resin composition having a low softening point for the first layer and a high softening point for the second layer.
Patent JP-2002326403-A (JP)
Title: Imaging apparatus, imaging method and imaging program
Inventor: SASAHARA NOBUO
IPC: B41J5/30
Filed: 2001-05-07
Abstract: PROBLEM TO BE SOLVED: To provide an imaging apparatus, an imaging method and an imaging program in which imaging efficiency can be enhanced. SOLUTION: A compressing/extracting section A4 compresses data and a data manager section A5 attaches a data name to the compressed data before it is stored in a storage buffer C3. The compressing/extracting section A4 extracts compressed data selected for a user from the compressed data stored in the storage buffer C3, a developing section A2 develops the extracted data and a printer engine B1 prints the developed data.
Patent JP-2002335065-A (JP)
Title: Method for forming circuit
Inventor: WAI SHINICHI
IPC: B23K26/00
Filed: 2001-05-07
Abstract: PROBLEM TO BE SOLVED: To provide a method for forming a circuit on an insulating material for constituting a board in a short time and suppressing the manufacturing cost. SOLUTION: The method for forming the circuit comprises the steps of irradiating a first conductive material layer formed on the surface of the insulating material with a laser beam, removing the conductive material at the irradiated position to form a circuit pattern, and forming a second conductive material layer on the circuit pattern to form the circuit.
Patent JP-2002333391-A (JP)
Title: Electronic cooler
Inventor: BABA YASUO
IPC: G01N1/22
Filed: 2001-05-09
Abstract: PROBLEM TO BE SOLVED: To provide an electronic cooler with excellent durability which permits continuously prolonged use thereof for minimizing replacing costs thereof by preventing drop in adiabatic characteristics of heat insulating materials thereof to the utmost. SOLUTION: In the electronic cooler, an electronic theremomodule 2 is installed closely stuck on a heat exchange block 1 for cooling while the heat exchange block 1 and the electronic thermomodule 2 are covered with the heat insulating material 4. A damproofing material 14 is provided inside the heat insulating material 4.
Patent JP-2002331073-A (JP)
Title: Slot machine
Inventor: EBIHARA MASAYUKI
IPC: A63F5/04
Filed: 2001-05-10
Abstract: PROBLEM TO BE SOLVED: To hold drop in the speediness and the operating rate of games as a whole to a necessary minimum limit along with intensified enjoyment thereof and a higher probability of winning by reducing the rotational speed of reels as desired to allow even a beginner to make a spot depressing of buttons with ease. SOLUTION: In the slot machine which performs specified putting out operations when figures of individual reels on winning lines L1 to L5 during the stoppage of all of the reels present a specified combination by stopping the reels 2a to 2c spinning, a speed reduction switch 11 is attached. A control means of the machine reduces the rotational speed of the last reel when the speed reduction switch 11 is operated before the operation of stopping the reel (last reel) the last to be operated among the reels 2a to 2c while all of the reels are halted by operation except for the last reel. The deceleration is done to such an extent as to allow even the beginner to make the spot depression. The deceleration is also confined to the last reel, thereby keeping the game from being prolonged as a whole.
Patent JP-2002337094-A (JP)
Title: Drilling method of porous plate for aircraft engine nacelle sound absorbing panel and its manufacturing method
Inventor: SANA SHUNICHI
IPC: B29C43/56
Filed: 2001-05-11
Abstract: PROBLEM TO BE SOLVED: To precisely, highly speedily and easily carry out drilling with a simple device, to maintain the whole of a prepreg in a soft and adhesive state by preventing heat from being conveyed to other than the periphery of a hole at the time of drilling and to prevent closing of the hole by preventing a flow of resin of the prepreg into the drilled hole in the middle of heating and hardening. SOLUTION: This manufacturing method of an aircraft engine nacelle sound absorbing panel is to laminate the required number of unhardened fiber reinforcing resin prepreg faceplates 2 in a flat-faced state and to harden them by heating and pressurizing them by putting them in an autoclave 24 for each of form blocks after blocking these laminated unhardened fiber reinforcing resin prepreg porous faceplates 10 in a curved-face forming block 20 and adhering them and a vacuum drawing process by a bag film 22 by using a drilling method to drill a large number of the holes 9 to drill them in the prepreg around the hole while half-hardening resin in the prepreg around the hole by a blade added with a large number of the holes, a blade added with heat or a lazer on these laminated unhardened fiber reinforcing resin prepreg faceplates 2.
Patent JP-2002336990-A (JP)
Title: Weld zone of ferritic stainless steel having excellent high temperature tensile strength, elongation, cracking resistance and toughness, and welding method therefor
Inventor: INUI KEIGO
IPC: B23K9/23
Filed: 2001-05-11
Abstract: PROBLEM TO BE SOLVED: To realize a weld zone in which the enormous growth of the crystal structure of the weld metal in ferritic stainless steel is suppressed, and cracking on welding and cracking generated by the repeated application of stress or thermal stress are prevented. SOLUTION: Welding is performed by using a welding wire having an alloy composition containing, by weight, <=0.05% C, <=2.0% Si, <=2.0% Mn, 15 to 25% Cr, 0.01 to 0.20% Al, 0.01 to 0.30% Ti, and 0.04 to 0.2% N, and in which the content of oxygen is controlled to <=0.04%, P to <=0.03%, and S to <=0.01%, and the balance substantially Fe, and further containing 5% Mo and W, <=1% Nb and 0.1% Zr, and using Ar, O2 , CO2 and He as shield gas, so that the weld zone in which the grain size of the nitrides of Ti or Al is >=0.3 μm<2> , and the nitrides are present at a density of 1.5×10<4> pieces/mm<2> or higher is obtained.
Patent JP-2002305347-A (JP)
Title: Semiconductor laser device
Inventor: YATANI MITSUYOSHI
IPC: H01L31/12
Filed: 2001-05-14
Abstract: PROBLEM TO BE SOLVED: To provide a semiconductor device having satisfactory heat radiating property and improved reliability. SOLUTION: The device is provided with a light receiving element for monitor 3, which is formed on a semiconductor substrate 3, a current inhibiting layer 4 formed by giving a prescribed interval from the light receiving element for monitor 3, an insulating film 5 covering the semiconductor substrate 2 and having an opening part M in an area corresponding to the current inhibiting layer 4 and a semiconductor laser element 10 formed by fixing it to the current inhibiting layer 4 by bringing it into direct contact with the layer.