baber/WOPTO huggingface dataset:
Patent JP-2003317244-A (JP)
Title: Phase change type recording medium and method for information recording
Inventor: MIURA HIROSHI
IPC: G11B7/2437
Filed: 2002-04-19
Abstract: <P>PROBLEM TO BE SOLVED: To provide a phase change type recording medium and a method for information recording by which expansion of a phase change mark in a disk radial direction in the phase change type recording medium is suppressed, the smoothness of the recording medium is improved, and in-plane variation of a mark length is reduced.  <P>SOLUTION: The phase change type recording medium 100 for recording information by irradiation with laser beams 108 comprises at least a support substrate 101, a metallic layer 102, a first dielectric layer 103 having one or more layers, a phase change type recording layer 104, and a second dielectric layer 105 having one or more layers. On the support substrate 101, spiral or concentric circular corrugation where the width of a recess part 107 is larger than that of a projecting part 106 exists. By using the recording medium 100 where a recording mark exists on the recess part 107, the information recording method records marks where a relation among a beam diameter Φ, a track pitch P and the width M of the recording mark ranges (1.8×P-Φ)≤M≤(2.2×P-Φ).  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003313175-A (JP)
Title: Method for producing 4-alkyl-5-formylthiazole derivative
Inventor: KAMEYAMA YUTAKA
IPC: C07D277/24
Filed: 2002-04-23
Abstract: <P>PROBLEM TO BE SOLVED: To provide a process for simply and practically producing a 4-alkyl-5- formylthiazole in high yield by overcoming the defects observed in the conventional process.  <P>SOLUTION: 4-Alkyl-5-alkenylthiazole represented by formula (1) [wherein R<SP>1</SP>and R<SP>2</SP>are each identical or different and are each H, a halogen atom, or a lower alkyl which may be substituted; R<SP>3</SP>is a lower alkyl; R<SP>4</SP>is H or an amino group which may be substituted] is subjected to ozonolysis to produce a 4-alkyl-5-formylthiazole derivative of formula (2) (wherein R<SP>3</SP>and R<SP>4</SP>are identical in formula (1)].  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003311962-A (JP)
Title: Liquid ejection head, head cartridge employing the liquid ejection head, and imaging apparatus
Inventor: MURAKAMI SHUICHI
IPC: B41J2/05
Filed: 2002-04-23
Abstract: <P>PROBLEM TO BE SOLVED: To prevent occurrence of a streak at the time of solid printing.  <P>SOLUTION: An ejection opening array 60 comprises a first ejection opening group 50 consisting of eight ejection openings 25 on each side (total sixteen ejection openings) including an end ejection opening 25', and a second ejection opening group 51 consisting of the remaining ejection openings 25 located at the intermediate part between respective first ejection opening groups 50. On contrary to the ejection opening array 60, an ejection opening array 61 comprises second ejection opening groups 51 arranged on the opposite end sides of the array, and a first ejection opening group 50 arranged at the intermediate part between the second ejection opening groups 51. An ink drop having an ejection volume of 5.0 pl is ejected from the ejection opening 25 of the first ejection opening group 50 and an ink drop having an ejection volume of 2.5 pl is ejected from the ejection opening 25 of the second ejection opening group 51.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2002345047-A (JP)
Title: Method for operating radio-based communication system
Inventor: JESCHKE MICHAEL
IPC: H04W88/04
Filed: 2002-04-24
Abstract: PROBLEM TO BE SOLVED: To provide a method, with which direct communication between two mobile stations is enabled without intermediately switching a related base station. SOLUTION: In the method for operating radio-based communication system, data are transmitted from a first mobile station UE1 to a base station (node B) during a first time slot UL. During a second time slot DL, data from the base station (node B) are received in the first mobile station UE1. The first and second time slots DL and UL are provided continuously for exchanging data. Ordinary codes C2U and C2D are allocated to data to be exchanged like this between the first mobile station UE1 and the base station (node B). A second mobile station UE2 transmits data by using a special code C2* in the first time slot UL and the first mobile station UE1 receives data by using the special code C2* in the first time slot UL.
Patent JP-2003317243-A (JP)
Title: Recording device, reproducing device, method of these, and recording medium
Inventor: HORIGOME HIDEYOSHI
IPC: G11B7/0065
Filed: 2002-04-26
Abstract: <P>PROBLEM TO BE SOLVED: To realize additional records.  <P>SOLUTION: A data recording and reproducing circuit 20 records and reproduces information in the hologram recording area of a recording medium 10 by an optical pickup 22. A management information recording and reproducing circuit 24 records and reproduces management information in a management information recording area 14 of the recording medium 10 by an optical pickup 26. In a recording mode, the circuit 20 inquires about the terminal end address of a recorded area 12a to the circuit 24 and starts recording from the leading address of an unrecorded area 12b according to the response. When one recording session is finished, the circuit 20 informs the circuit 24 of the terminal end address of the recording session. Then, the circuit 24 overwrites and records the address in the area 14 by the optical pickup 26. Before starting reproduction, the circuit 20 inquires the terminal end address of a recorded area 12a to the circuit 24, and reproduces the recorded information in the range of the recorded area 12a according to the answer.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003314178-A (JP)
Title: Connection structure of rotary table and casing drive adapter in earth drill
Inventor: OCHIZAWA JUNICHI
IPC: E21B3/04
Filed: 2002-04-26
Abstract: <P>PROBLEM TO BE SOLVED: To provide a sturdy and safe mounting structure preventing a casing drive adapter mounted on a rotary table from dropping due to breakage of a bolt 11.  <P>SOLUTION: In a mounting structure of the rotary table and the casing drive adapter in an earth drill, the lower peripheral side face of a sleeve provided with a driving rib at the internal wall and a mounting bracket attached to the upper part of a flange adapter are fixed together by a plurality of fixing tools inserted in the radial direction of the sleeve.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003322395-A (JP)
Title: Ventilation fan for duct
Inventor: HAYASHI YASUMASA
IPC: F24F13/14
Filed: 2002-04-30
Abstract: <P>PROBLEM TO BE SOLVED: To provide a ventilation fan for a duct capable of reducing the noise in closing a shutter.  <P>SOLUTION: The ventilation fan comprises the shutter 3 disposed in an air channel, having a rotating shaft to be displaced to the closed position for shutting off air flow and to the opened position for letting air flow, a spring member 8 for pressing the shutter 3 to the closed position, a motor 6 with a reduction gear for driving the shutter 3 to the opened position against the pressure force of the spring member 8, a connection member 7 mounted on the reduction gear for connecting the output shaft of the reduction gear and the rotating shaft 3a of the shutter 3, and a damper member 9 for controlling the speed of the shutter 3 to be moved to the closed position by the spring member 8.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003320579-A (JP)
Title: Molding method for open-cell foam
Inventor: SHIBATA TOMOYOSHI
IPC: B29C65/00
Filed: 2002-04-30
Abstract: <P>PROBLEM TO BE SOLVED: To provide a molding method for a molded article which can be molded by a simple equipment and a short process, can retain a flexible feeling even after the molding, and is useful for housing fruit or the like, in molding an open-cell foam.  <P>SOLUTION: An open-cell foam 1 (of which an expansion ratio is 10 to 40 times) such as EPDM is housed along the internal surface of a molding die 3 having a recess 2. Then, a ring-shape fixing member 4 is bonded to the opening part 6 of the housed foam, in the molding method for the open-cell foam.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003322644-A (JP)
Title: Method and apparatus for detecting flaw in structure
Inventor: SONE AKIRA
IPC: G01N29/12
Filed: 2002-05-07
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method and an apparatus for detecting the generation and growth of scratches in a structure by directly measuring the second level differential value of acceleration developed from the cracks or the like of the structure.  <P>SOLUTION: The difference between the measurement value of an acceleration sensor 84 fixed to the structure and that of an acceleration sensor 85 fixed to a weight 83 connected to the structure via an elastic body 82 is obtained, thus directly measuring the amount of second level difference in the acceleration of the structure, and hence detecting the generation and growth of the scratches in the structure.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003329238-A (JP)
Title: Fueling device for oil burning appliance
Inventor: KURIHARA MAKOTO
IPC: F23K5/08
Filed: 2002-05-10
Abstract: <P>PROBLEM TO BE SOLVED: To smoothly replace kerosene in an oil filter, and to improve usability by suppressing a flood caused by overflow even when the oil filter does not allow refuse and water to pass and clogs not to replace the kerosene.  <P>SOLUTION: A sufficient clearance 11 is provided between an inner side surface of an oil filter 9 and an outer side surface of a oiling port mouthpiece 5, and a replacing filter 13 is provided on a side surface of the oil filter 9 so as to vertically stride over a constant oil level of an oil receiving pan 10. No clearance exists on a contacting surface between an upper surface of the oil filter 9 and the oiling port mouthpiece 5, and a clearance 14 is provided in a contacting surface side of the oil filter 9 and peripheral part of a circular hole 10a of the oil receiving pan 10 holding an upper end portion of the filter 9. A fine-meshed filter 15 is provided in a side sinking in oil under the constant oil level of the replacing filter 13, and a large-meshed filter 16 is provided in a side positioned above the constant oil level.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003331978-A (JP)
Title: Connector for external connection and protective cover structure as well as cell phone equipped with the same
Inventor: OSAWA TAKESHI
IPC: H01R13/52
Filed: 2002-05-10
Abstract: <P>PROBLEM TO BE SOLVED: To provide a connector and a protective structure capable of realizing miniaturization of the size of a protective cover and simplification of an assembly process of an electronic equipment, especially a connector for external connection and a connector cover structure of a cell phone as well as a cell phone equipped with the same structure.  <P>SOLUTION: The connector 4 main body including an external interface part 6 connected with an external equipment and terminals 7 for charging arranged at its both sides is provided with an insertion-coupling part 8 insertion- coupled with a base part of a hinge part 9 of a T-shape or the like supporting the protective cover 5 of the connector in free opening and closing. An exposure area of the protective cover 5 can be made small by setting the insertion- coupling part 8 between the interface part 6 and the charging terminal 7 so as not to be a constraint for designing, and the number of components can be curtailed and assembly man-hour at a equipment manufacturer can be curtailed by providing the manufacturer with the connector with the protective cover already mounted.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003333273-A (JP)
Title: Facsimile equipment or system
Inventor: ATOMICHI TAKAHIRO
IPC: H04N1/32
Filed: 2002-05-13
Abstract: <P>PROBLEM TO BE SOLVED: To prevent facsimile-received images of both surfaces from being hard to read when a printed paper which has one surface already printed is reused in consideration of earth environments.  <P>SOLUTION: Facsimile equipment comprises a means of determining whether received image data are both-sided image data, a means of determining whether a both-side unused form is available, a means of automatically selecting a corresponding form according to the decision result and printing, a means of determination that no both-surface unused form is available from the decision result and receiving the data in a memory, a means of printing a message 'cover' on a one-surface used form of the same size in the memory reception, and a means of preferentially outputting a specified received image after form replenishment.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003329991-A (JP)
Title: Variable optical attenuator
Inventor: HATAYAMA HITOSHI
IPC: G02B6/12
Filed: 2002-05-14
Abstract: <P>PROBLEM TO BE SOLVED: To provide a multi-channel variable optical attenuator capable of broadening the working wavelength band of applicable optical signals.  <P>SOLUTION: A multi-channel optical attenuator 1 is constituted by forming eight optical waveguide channels 11 to 18 between an input end face 10a and an output end face 10b, and eight variable optical attenuator channels 21 to 28 corresponding to the respective optical waveguides 11 to 18 on a substrate 10. Each of the optical attenuators 21 to 28 is made up of an optical circuit including a Mach-Zehnder interferometer type optical circuit. Moreover, each Mach-Zehnder interferometer type circuit in the optical attenuators 21 to 28 is formed of a different structural parameter by each channel. Thus, the working wavelength bands in the individual optical attenuators 21 to 28 differ from each other for every channel, and the working wavelength band of the variable optical attenuator 1 can be broadened as a whole.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003330783-A (JP)
Title: Document storage system, document storage method and information recording medium
Inventor: KAWAMOTO MASATAKA
IPC: G06Q50/26
Filed: 2002-05-15
Abstract: <P>PROBLEM TO BE SOLVED: To provide a document storage system and document storage method having a service site for determining optimum storage designation information based on the attribute information of a document to be stored that is designated from a user site and a preset storage designation determination table, and a storage site having a storage designation determined by a service site from storing the document to be stored received from the user site; and an information recording medium therefor.  <P>SOLUTION: A storage information retrieval part 206 retrieves the storage designation that stores a document based on the storage information stored in a storage information storage part 214 and the document retrieval condition information received from the user site 102. Further, it transmits, based on the retrieval result, the document retrieval condition information received from the user site 102 to a storage site 103 having the retrieved storage designation through a transmission part 204.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003336876-A (JP)
Title: Kitchen filter and kitchen exhaust device
Inventor: KISHI TAKATOSHI
IPC: B01D46/10
Filed: 2002-05-15
Abstract: <P>PROBLEM TO BE SOLVED: To satisfy the improvement in permeability and improvement in a removal rate of oily dust.  <P>SOLUTION: This kitchen filter 1 stores a metal filter 3 catching the oily dust inside a metal filter body 2. The filter body 2 is provided with a first net body 4 disposed in one surface to be an air intake side and a second net body 7 oppositely disposed in the surface of the air intake side of the filter 3, and swelling parts 12 and 18 projecting toward the opposite surface of the counter side are formed in, at least, a plurality of parts in either one of the opposite surfaces of the first net body 4 and the second net body 7 so as to form a space 22 between them. Therefore, the oily dust caught by the filter 3 is easily recovered via the space 22 so as to satisfy the improvement in the permeability and the improvement in the removal rate of the oily dust.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003334261-A (JP)
Title: Fire prevention system for atrium
Inventor: HARA TETSUO
IPC: A62B13/00
Filed: 2002-05-21
Abstract: <P>PROBLEM TO BE SOLVED: To provide a fire prevention system for an atrium which prevents smoke and heat generated on a floor of a fire from invading into a floor where no fire is detected through the atrium and hardly destroys openness of the atrium.  <P>SOLUTION: The fire prevention system is used for a multi-story building 1 equipped with the atrium 2 in the inside. A room 3 of each floor and the atrium 2 of the multi-story building 1 constitute one mutually continuing space by an opening part 10 provided on a boundary surface between the room 3 and the atrium 2 respectively. Fire detectors for detecting the occurrence of the fire are provided in the rooms 3 on respective floors, and a closing means 30 for closing the opening part 10 of each floor, exhaust equipment 17 for exhausting on the floor of the fire, and air supply equipment 18 for supplying pressurized air to the floor where no fire is detected are provided for a situation when the occurrence of the fire is detected by one of the fire detectors.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003339589-A (JP)
Title: Suction port body and vacuum cleaner
Inventor: MANO FUMIKI
IPC: A47L9/02
Filed: 2002-05-22
Abstract: <P>PROBLEM TO BE SOLVED: To provide a suction port body capable of sufficiently securing self- advancing force by driving wheels.   <P>SOLUTION: This suction port body is provided with a suction port main body 11 provided with a dust suction chamber and a suction opening 15 to the dust suction chamber, provided in a bottom face; driving wheels 21, 21 rotatably mounted to the suction port main body 11 to assist the advance or retreat of the suction port main body 11; and a drive motor 24 provided at the suction port body 11 to rotationally drive the driving wheels 21, 21. A front wheel 40 is rotatably provided at the front part bottom face of the suction port body 11, and the axial length of the front wheel 40 is set longer than the axial length of the driving wheels 21, 21.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003342650-A (JP)
Title: Process and apparatus for recycling magnesium waste material
Inventor: TARUMOTO SHIRO
IPC: C22B9/02
Filed: 2002-05-23
Abstract: <P>PROBLEM TO BE SOLVED: To provide a process for recycling a magnesium waste material which can economically remove impurities from the waste material including a valuable resource comprising magnesium and/or a magnesium alloy contaminated with the impurities and an apparatus therefor.   <P>SOLUTION: The recycling process comprises a heating step wherein the waste material is loaded to and heated in a smelting furnace to melt the valuable resource and an impurity-removal step wherein the non-melted impurities left inside the furnace are scooped with a scoop net 20, and recycles the waste material from which the impurities are removed. Alternatively, the recycling process comprises the heating step wherein the waste material essentially comprising the valuable resource is loaded to and heated in the melting furnace 16 wherein a liquid-permeable recovery vessel 17 is positioned and the impurity- removal step wherein the recovery vessel 17 is drawn up and the non-melted impurities left inside the recovery vessel 17 are removed, and recycles the waste material from which the impurities are removed.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003342048-A (JP)
Title: Production method for irregular shaped granulation product and irregular shaped aggregate
Inventor: UEYASU TOMONOBU
IPC: B01J2/10
Filed: 2002-05-27
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method capable of efficiently mass-producing an irregular shaped granulation product and an irregular shaped aggregate, both having desired strengths.   <P>SOLUTION: A particulate material mainly comprising coal ash and not containing a caking additive or containing less than 3 pts.wt. caking additive based on 100 pts.wt. coal ash is granulated with an inverse truncated cone- shaped agitating-mixing apparatus. Preferably, the Blaine specific surface area α(cm<SP>2</SP>/g) of the coal ash and the outer addition rate β (wt.%) of water added during granulation satisfy the relationship 120≤α/β≤140. Preferably, the half vertex angle of a cone which includes the inner wall of the inverse truncated cone-shaped agitating-mixing apparatus as a part of the conical surface of the cone is 35° or smaller.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003084125-A (JP)
Title: Method and device for manufacturing color filter, method and device for manufacturing liquid crystal display device, method and device for manufacturing substrate for installing el (electroluminescence) light emitting layer, method and device for manufacturing el light emitting device, method and device for film forming
Inventor: ITO TATSUYA
IPC: B41J2/15
Filed: 2002-05-27
Abstract: PROBLEM TO BE SOLVED: To accurize an ink delivery position from a nozzle, to improve the utilization factor of the nozzle (hence, the efficiency of drawing), to prevent colors of respective pixels from fluctuating and to uniformize in-plane optical characteristics of an optical member in manufacturing the optical member such as a color filter and so on with scanning of an inkjet head by making all the nozzles of the inkjet head accurately pass over regions where the pixels are to be formed. SOLUTION: The method carries out manufacturing of the color filter 1 by primarily and secondarily scanning a substrate 2 with a plurality of inkjet heads 22 equipped with the nozzles 27. Among a plurality of inkjet heads 22, representing a mutual interval between respective endmost nozzles 27 of two adjacent heads 22 by W and a definite pitch of the aligned nozzles 27 by D, an equation W=mD (where m is an integer of two or more) holds. Furthermore, representing a pitch of secondary scanning movement of the head 22 by P, an equation P=nD (where n is an integer of one or more) holds.
Patent JP-2003347422-A (JP)
Title: Method of manufacturing semiconductor device
Inventor: NAKAI SATOSHI
IPC: H01L29/78
Filed: 2002-05-28
Abstract: <P>PROBLEM TO BE SOLVED: To form a pocket of a pMOS at a proper impurity profile.   <P>SOLUTION: After forming a gate insulation film and a gate electrode on a semiconductor substrate (step S1), an n-type impurity such as arsenic is ion- implanted to form the pocket in the pMOS formation region (step S2). Next, an RTA process is conducted (step S3), and p-type impurity ions are implanted to form a source/drain extension in a pMOS formation region (step S4). Thereafter, a side wall spacer is formed (step S5). With the side wall spacer as a mask, p-type impurity ions are implanted to form the source/drain (step S6), and then active annealing is conducted (step S7). Consequently, the pocket can be formed at such a good impurity profile that the n-type impurity concentration is high near an interface with the source/drain extension.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003344633-A (JP)
Title: Hidden pattern by optical diffraction structure and method for manufacturing the same
Inventor: SUZUKI SHINICHIRO
IPC: B42D15/10
Filed: 2002-05-29
Abstract: <P>PROBLEM TO BE SOLVED: To provide a hidden pattern which can efficiently prevent forgery and which is hardly discriminated by a visual means.   <P>SOLUTION: The hidden pattern is provided by the optical diffraction pattern, in which the total region formed by a grating is divided into a plurality of discriminable partial regions. At least one region of the plurality of partial regions is composed of two patterns which cannot be discriminated. Each of the two patterns is composed of fine stripes arranged parallel each other.  <P>COPYRIGHT: (C)2004,JPO