baber/WOPTO huggingface dataset:
Patent JP-2003286099-A (JP)
Title: Apparatus and method for growing group iii nitride crystal
Inventor: IWATA HIROKAZU
IPC: C30B9/10
Filed: 2002-03-28
Abstract: <P>PROBLEM TO BE SOLVED: To prevent the formation (agglomeration) of an intermetallic compound of a group III metal and an alkali metal at a supplying port for supplying a substance containing the group III metal into a reaction vessel when the substance containing the group III metal is supplied into the reaction vessel from the outside of the reaction vessel, and to stably grow a group III nitride crystal.  <P>SOLUTION: In an apparatus, a high temperature area higher than the temperature of a mixed melt is settable between the mixed melt 24 and the supplying port 32 of a supplying means (31) so as to eliminate the vapor of the alkali metal generated from the mixed melt 24 from the supplying port 32 of the supplying means (31).  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003286945-A (JP)
Title: Compressor
Inventor: KATO TETSUYA
IPC: F04B39/00
Filed: 2002-03-28
Abstract: <P>PROBLEM TO BE SOLVED: To provide a compressor capable of eliminating noise and restricting pulsation without requiring additional labor.  <P>SOLUTION: This compressor is composed to compress gas compressed through a plurality of lubricant compression parts in order. Above a position close to the compression part where gas is first compressed, a suction muffler is installed for eliminating noise and restricting pulsation. Since the suction muffler is disposed above the position close to the compressor where gas is compressed first, a new disposition place is not necessary. A connection part to a suction tube can be commonly used. Labor or trouble can be reduced in installing the suction muffler.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003291968-A (JP)
Title: Method for recognizing deformation of frame body of printing cylinder housing pallet, and the printing cylinder accommodation pallet
Inventor: HOSAKA TAKAHIKO
IPC: B25J13/08
Filed: 2002-03-29
Abstract: <P>PROBLEM TO BE SOLVED: To provide a frame body deformation recognizing method for omitting a hoisting means such as a hoist as a means to perform the supply to a cylinder and a printing machine, reducing the working man-hour compared with a conventional device, and correctly transferring the cylinder to a pallet even when the pallet is deformed.  <P>SOLUTION: In this frame body deformation recognizing method of a printing cylinder housing pallet, a pair of fixed frames 3 facing each other, a separable frame 4 attachably/detachably fitted to the fixed frame, and holding frames 5a and 5b to form a frame body to house the cylinder 12 are provided, the separable frame and/or a holding frame has a position recognition mark 13 on different frames, and a visual sensor recognizes the deformation of the pallet frame body by recognizing the position recognition mark 13.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003295182-A (JP)
Title: Liquid crystal display device
Inventor: KOMANO SHOICHI
IPC: F21Y101/02
Filed: 2002-03-29
Abstract: <P>PROBLEM TO BE SOLVED: To provide a liquid crystal display device which can be made thin and wherein man-hours can be reduced without decreasing illumination efficiency.  <P>SOLUTION: The liquid crystal display device is provided with a liquid crystal panel 2, a light source 15 emitting illumination light for the liquid crystal panel 2, a light guide plate 4 opposed to the liquid crystal panel 2, receiving the light emitted by the light soured 15 from a side surface and introducing the emitted light to the liquid crystal panel 2 and a holding frame 11 holding the liquid crystal panel 2 and the light guide plate 4. The inner wall surface 11b of an aperture part 11c provided at the holding frame 11 and the side surface 4a of the light guide plate 4 are welded by two-color molding process or the like.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003291056-A (JP)
Title: Wire cutting method for any object, cutting wire, and manufacturing method for wire
Inventor: SUGITANI KAZUAKI
IPC: B21C1/00
Filed: 2002-04-01
Abstract: <P>PROBLEM TO BE SOLVED: To provide a wire cutting method for any object to be cut, a cutting wire and a manufacturing method for the wire, capable of enhancing the cutting efficiency and accuracy of the object and suppressing generation of a wire severance.  <P>SOLUTION: If the surface of the wire 11a is roughened to a certain degree or more, the retaining force of free abrasive grains b to the wire surface is heightened, and the amount of attachment of the free abrasive grains b to the wire surface is increased. Therefore, the cutting efficiency and accuracy are enhanced when cutting an ingot I by the wire 11a whereto a large quantity of the free abrasive grains b are attached. This suppresses unevenness of the wafer thickness and a warp of each wafer and also suppresses generation of the wire severance.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003291938-A (JP)
Title: Multi-layer container
Inventor: MARUYAMA KATSUYA
IPC: B65D1/00
Filed: 2002-04-01
Abstract: <P>PROBLEM TO BE SOLVED: To provide a multi-layer container with excellent interlaminar release resistance in which release caused by falling down and impact hardly occurs and freedom of design unlimited to less uneven shapes can be enlarged.  <P>SOLUTION: The multi-layer container is obtained by draw blow molding of a parison in which a resin constituting the outermost layer and the innermost layer consists of a thermoplastic polyester resin (a resin A) and a resin constituting an intermediate layer of at least one layer between the outermost layer and the innermost layer consists of a specified polyamide (a resin B). The multi-layer container with improved interlaminar release is characterized by three conditions wherein (1) the concentration of a phosphate, a phosphite or a hypophophite as a color protection agent is 0.1-50 ppm as phosphorus atoms; (2) the concentration of an inorganic alkali metal salt, or an alkali metal salt of an organic carboxylic acid as an anti-gelling agent is 0.5-1.5 mole to one mole of phosphorus atom; and (3) the concentration of an antimony compound or a germanium compound as a polymerization catalyst in the resin A is respectively at most 300 ppm or at most 100 ppm as antimony or germanium atoms.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003296751-A (JP)
Title: Game machine controller, game machine control program, and information storage medium
Inventor: FUJIWARA SHINICHI
IPC: G06T13/20
Filed: 2002-04-03
Abstract: <P>PROBLEM TO BE SOLVED: To provide a game machine controller for providing a ready-to-win action having a high ready-to-win performance effect so as to arouse player's sense of expectation, and to provide a game machine, a control program, and an information storage medium.  <P>SOLUTION: This display controller of the game machine displays a lottery wherein a plurality of combination patterns stop for lottery determination after they are varied on the basis of a given rule in part of a presentation image displayed on a displaying means 12. This device includes an operation controlling means 74 for operating a three-dimensional space for game presentation with a plurality of patterns arranged, and an image generating means 76 for generating the presentation image where the three-dimensional space is seen from a virtual camera. The operation controlling means 74 performs expansion and contraction of a segment by changing at least one coordinate of the start point and the end point of the segment constituting a segment aggregate for image generation of patterns used for lottery display and continuously changes generated patterns for lottery display.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003301846-A (JP)
Title: Ball bearing
Inventor: URAGAMI MASATAKE
IPC: F16C33/62
Filed: 2002-04-05
Abstract: <P>PROBLEM TO BE SOLVED: To provide a ball bearing of low torque, low heat generation, and a long service life.  <P>SOLUTION: This deep-grooved ball bearing 1 is provided with an inner ring 2 and an outer ring 3 having raceway grooves 2a and 3a having arc-shaped cross sections, and a plurality of balls 4 rotatably disposed between the inner ring 2 and the outer ring 3. The groove radius of the inner ring 2 is set at 50.5% or more and 52% or less of the diameter of the ball 4, and the groove radius of the outer ring 3 is set at 52.5% or more and 55% or less of the diameter of the ball 4. At least the inner ring 2, among the inner ring 2, the outer ring 3, and the ball 4, is composed of carbonitriding-treated high carbon steel containing carbon of 0.9 mass% or more.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003302566-A (JP)
Title: Lens driving unit and lens barrel
Inventor: TSUYUKI KAZUHIRO
IPC: G02B7/08
Filed: 2002-04-12
Abstract: <P>PROBLEM TO BE SOLVED: To provide a lens driving unit which is made inexpensive by enabling even a different lens barrel to be used.  <P>SOLUTION: For attachment to a lens barrel having a large diameter, a detachable fitting plate 130 is mounted on the lens driving unit 100 and attached to the lens barrel according to the diameter of the lens barrel and for attachment to a lens barrel having a smaller diameter than the lens barrel, the detachable fitting plate 130 is removed. The lens driving unit 100 is fitted to the former lens barrel with screws and fixed and to the latter lens barrel by being fitted from a direction perpendicular to the optical axis of the lens barrel and fixed with screws.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003308683-A (JP)
Title: Disk reproducing apparatus provided with disk changer and disk reproducing method therefor
Inventor: HINO HIROMASA
IPC: G11B27/10
Filed: 2002-04-12
Abstract: <P>PROBLEM TO BE SOLVED: To reproduce only selected data by avoiding data having already been selected from being selected again even when an optical disk is replaced.  <P>SOLUTION: A control section 19 skip-reproduces data of an introduction part of a music item recorded on an optical disk 1 and a memory controller 21 compares data of the introduction part with data of an introduction part having already been stored in a memory 20 to decide whether or not they are coincident with each other. When they are coincident with each other, the memory controller 21 registers a disk number and a music number of the music having been already registered as the same music to a disk table. When a music title is selected, the memory controller 21 arranges and integrates the music items registered in the music selection table so that the same music is not selected on the basis of the information registered in the disk table and the control section 19 reproduces the registered music items according to the selected music table.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003309270-A (JP)
Title: Method for forming diaphragm on semiconductor substrate
Inventor: MINAMI MASAKATSU
IPC: H01L29/84
Filed: 2002-04-12
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method for forming a diaphragm which does not generate cracks due to external force by rounding a corner at the boundary of the bottom and wall of a recess on the back surface of a semiconductor substrate.  <P>SOLUTION: By performing anisotropic etching from one substrate surface 3 to the other substrate surface 5 facing one substrate surface 5 of the semiconductor substrate 1, particularly an Si semiconductor substrate 1, an annular recess 15 is formed on the one substrate surface side 5, and the diaphragm 18 is formed at the bottom 17 of the recess 15. After the anisotropic etching, an oxidized layer 21 is formed at the wall 19 by forcibly oxidizing the wall 19 surrounding the recess 17 and thereafter, the oxidized layer 21 is removed by wet etching.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003306926-A (JP)
Title: Pump gate
Inventor: MISAWA SHINGO
IPC: E02B7/20
Filed: 2002-04-17
Abstract: <P>PROBLEM TO BE SOLVED: To provide a pump gate which can be easily installed by simplifying its troublesome work on the construction site and also to realize a considerable reduction in the term of works.  <P>SOLUTION: The pump gate is equipped with a portal door stop 11, a cutoff gate door body 5 assembled to the door stop 11 by fitting both the end portions in the width direction in a watertight manner and a freely movable manner up and down, an opening and closing means 10 installed to the top 11A of the door stop for raising and descending the cutoff gate 5, and a drain pump 6 and a spindle 8 assembled together to the cutoff gate door body 5 in such a manner that the water passage can be formed between one water area 1A and the other water area 1B; and these are assembled together in a factory as a small, lightweight and single unit carriage type and are carried by a transportation means such as a truck from the factory to the job site for installation through an agricultural water channel having a small width.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003305286-A (JP)
Title: Ornamental stitch sewing machine
Inventor: MORIMOTO KUNIHIKO
IPC: D05B27/02
Filed: 2002-04-17
Abstract: <P>PROBLEM TO BE SOLVED: To optionally form various kinds of ornamental patterns including a single picot and a pine-needle ornament by using one sewing machine, while making a whole machine light and small, and reducing a cost without the usage of a large-diameter cam or a large-diameter gear.  <P>SOLUTION: The sewing machine includes: a needle drive mechanism; a looper drive mechanism; and a feed dog vertical operation mechanism C. The mechanism C includes: a rocking link 55 for changing by rocking a connection point position, where the other end part of a driving lever 41, which is reciprocatively moved via an eccentric 40 by the rotation of a main shaft 12, is connected to the other end part of a link member 46 which is linked with a vertical lever 45 so as to be rotatable; and a stepping motor 52 for driving the rocking link 55 to change its rocking angle. The change of the rocking angle by driving in the rocking link 55 enables changeover between a state where a cloth is fed by vertically operating the vertical lever 45 and a feed dog 8, and a state where the cloth is fed without vertically operating the vertical lever 45 and the feed dog 8.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003318247-A (JP)
Title: Wafer transfer equipment
Inventor: NAKAMURA TOYOKAZU
IPC: H01L21/677
Filed: 2002-04-22
Abstract: <P>PROBLEM TO BE SOLVED: To provide a wafer transfer equipment by which a wafer is easily transferred between a wafer case that has superior portability and a size in which a plurality of the cases can be carried at a time and a normally used transportation wafer case, and a semiconductor wafer is not damaged at transferring without occupying a large space during storage.  <P>SOLUTION: This equipment is for transferring a semiconductor wafer 12 housed in one wafer vessel to the other wafer vessel, and provided with a guide 13 wherein a guide groove 31 for the semiconductor wafer 12 to be transferred and an inter-groove end surface 32 are alternately provided with pitches of 1/4 inches, a first mounting part 14 on one side of the guide part 13 on which a first wafer vessel 16 is positioned, and a second mounting part 15 on the other side of the guide part 13 on which a second wafer vessel 17 is positioned. The semiconductor wafer 12 housed in one wafer vessel is moved in a direction parallel to a principal surface through the guide groove of the guide 13, to transfer to the other wafer vessel.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003313170-A (JP)
Title: Method for producing cyclic amidinium organic acid salt
Inventor: TAKAHASHI FUMIHARU
IPC: C07D233/06
Filed: 2002-04-23
Abstract: <P>PROBLEM TO BE SOLVED: To provide a simplified method for producing a cyclic amidinium organic acid salt having high purity.  <P>SOLUTION: The cyclic amidinium organic acid salt is produced by reacting an organic acid with a cyclic amidine expressed by formula (1) (R<SP>1</SP>, R<SP>3</SP>and R<SP>4</SP>are each independently H, an aliphatic group, an aromatic group or an aroaliphatic group; and R<SP>2</SP>is an aliphatic group, an aromatic group or an aroaliphatic group) or formula (2) (R<SP>5</SP>, R<SP>7</SP>and R<SP>8</SP>are each independently H, an aliphatic group, an aromatic group or an aroaliphatic group; and R<SP>6</SP>is independently an aliphatic group, an aromatic group or an aroaliphatic group).  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003315729-A (JP)
Title: Imaging element array, optical writing unit and image forming apparatus
Inventor: MASUDA KOJI
IPC: B41J2/45
Filed: 2002-04-25
Abstract: <P>PROBLEM TO BE SOLVED: To attain an optical system whose brightness is more improved than in a conventional manner by constituting a roof prism lens of an anamorphic lens and bringing the incident lens surface close to an object surface, as for the optical system (imaging element array) using a roof prism lens array.  <P>SOLUTION: The roof prism lens array 10 is constituted by integrally arranging several roof prism lenses 10<SB>1</SB>to 10<SB>n</SB>constituted of the incident lens surface 1, a roof prism part 2 and an exit lens surface 3. In this case, the roof prism lens is constituted of the anamorphic lens, and the incident lens surface 1 is brought closer to the object surface 4 than in the conventional manner, and the symmetrical structure with reference to the ridge of the roof prism part 2 is not introduced, then, the luminous flux emitted from the light emitting element positioned on the object surface 4 is coupled by the imaging element array 10, then, the angle of the guided luminous flux becomes larger than the conventional one.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003315051-A (JP)
Title: Navigation system
Inventor: FUTAMURA MITSUHIRO
IPC: G08G1/137
Filed: 2002-04-25
Abstract: <P>PROBLEM TO BE SOLVED: To provide a navigation system which shortens the time required for updating map data and which reduces costs for its updating by updating the map data for each region in a prescribed range.  <P>SOLUTION: The navigation system comprises a data center 51 used to download the map data in a region designated at a delivery request when the delivery request is received, and an onboard device 14 which is provided with a data storage used to store the map data and which updates the map data on a designaged region by using the map data delivered from the data center 51. The map data is provided with a hierarchical structure. In the map data delivered from the data center 51, the map data at the lowest lever corresponds to the designated region, and the map data at a high-order level corresponds to a wider region including a region corresponding to the map data at a low- order level.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003324791-A (JP)
Title: Electroacoustic transducer
Inventor: TAJIMA KAZUSHIGE
IPC: H04R9/02
Filed: 2002-04-30
Abstract: <P>PROBLEM TO BE SOLVED: To provide a dynamic electroacoustic transducer configured to be fitted to a board at a reduced manufacturing cost for reducing its development period.  <P>SOLUTION: A tip 22B of a terminal plate 22 is formed to be extended along a board opposite face 20b of a frame 20 to configure the electroacoustic transducer 10A with a surface mount structure. A small hole 22a is formed at a position apart from a conduction fixing part 22A1 of the terminal plate 22 with respect to a coil terminal 24a and a cylindrical recessed part 20h extended from the board opposed face 20b up to the terminal plate 22 at a rear side of the small hole 22a of the frame 20. Mounting a coil spring 40 to the terminal plate 22 at the cylindrical recessed part 20h configures the electroacoustic transducer 10B with a coil spring structure. The terminal plate 22 and the frame 20 are shared in common between two kinds of the electroacoustic transducers 10A, 10B to decrease kinds of metallic dies or the like and to facilitate the component management.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003280568-A (JP)
Title: Multi-purpose in-air and on-water level balloon image device
Inventor: MOMOGAME TOSHIO
IPC: B64B1/50
Filed: 2002-03-24
Abstract: <P>PROBLEM TO BE SOLVED: To dissolve a problem that a whole projector is not floated high in the air at night for projection since an image screen is regarded as the one for projection on the ground in a conventional manner.  <P>SOLUTION: An image device is obtained by injecting helium to a balloon, and the whole projector is floated high in the air at night to project images on the balloon from outer and inner parts. The device is provided with propellers having a remote controller to assist the floating force of helium with the weight of apparatuses. The propellers are rotated by solar power or electric power from the ground to generate a strong ascending force. The ascending force is applied to a conventional advertising balloon or a hot air balloon, etc. A simple lightning rod for preventing a lightning stoke is provided, and flash lamps and illumination are arranged for decoration and signals. The images are projected even on the clouds in the air. Air is put into the balloon to obtain on-water level images reflected against a water level or waves, and the distortion of a pattern image. The projector is also used as illumination for a stage. The images and the balloon are utilized as a large television set or a billboard.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003323204-A (JP)
Title: Working method using ball end mill tool
Inventor: YOSHINO KIYOSHI
IPC: G05B19/416
Filed: 2002-04-30
Abstract: <P>PROBLEM TO BE SOLVED: To dissolve a problem that a surface roughness is not obtained based on theory since a tool is swung owing to a deviation between a center axis and a rotary center axis in a ball end mill tool by attachment precision and a centrifugal force by rotation in the ball end mill tool to be used for a machining center.  <P>SOLUTION: Before cutting, a radius R at the distal end of the tool (S1), and the required surface roughness H (S2) are specified, and transmitted from an input part. Then, the machining center 1 is operated by the command of an NC device 4, the ball end mill tool 3 which is attached to a main shaft 2 and stands at an initial position is rotated, and a swing measurement sensor 7 measures an amount of swing of the tool by the number of working rotation. A cutting speed arithmetic apparatus 5 calculates the feeding speed F of the main shaft to obtain the required surface roughness from the inputted tool distal end radius R, the required surface roughness H, and the measured tool swing amount E. Then a cutting method in the public domain is performed by the obtained feeding speed F.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003016931-A (JP)
Title: Method of manufacturing dispenser cathode for cathode- ray tube
Inventor: GAERTNER GEORG FRIEDRICH
IPC: H01J9/04
Filed: 2002-05-02
Abstract: PROBLEM TO BE SOLVED: To provide a method of manufacturing a dispenser cathode for a cathode-ray tube reproducibly manufacturable with a uniform beam current kept constant over a long time. SOLUTION: In this method of manufacturing the dispenser cathode for the cathode-ray tube, the dispenser cathode is provided with a cathode carrier having a cathode base of cathode metal, and a meal matrix of a metal grain matrix of meal selected from a group of fire resisting metal, and the matrix is permeated with the oxide grain of an alkaline earth metal oxide selected from a group of the oxide of calcium, strontium and barium. The matrix of metal grain of the meal selected from the group of the fire resisting metal is manufactured by reduction of oxide gel stable in porosity of the metal selected from the group of the fire resisting metal.