baber/WOPTO huggingface dataset:
Patent JP-2004241609-A (JP)
Title: Semiconductor light receiving element and its manufacturing method
Inventor: ONO REIJI
IPC: H01L31/10
Filed: 2003-02-06
Abstract: <P>PROBLEM TO BE SOLVED: To realize a semiconductor light receiving element capable of reducing parasitic capacity and having high-speed responsiveness.  <P>SOLUTION: In the semiconductor light receiving element, an n clad layer (1st semiconductor layer) 2 is formed so as to be extended from the bottom of a recessed part 40 formed on the surface of a half-insulating substrate 1 up to the surfaces of half-insulating substrates 1 formed on both the sides, a guide layer (2nd semiconductor layer) 3, a light absorption layer 4, a p layer 31, a p clad layer (3rd semiconductor layer) 5, and a p window layer 32 are successively laminated on the surface of the n clad layer 2 formed on the bottom of the recessed part 40 so as to form a gap G between the laminated layers and the n clad layer 2 formed on the inner surface of the recessed part 40, n side electrodes (1st electrodes) 13b, 13c are formed on the n clad layer 2, and p side electrodes (2nd electrodes) 13a are formed on the p window layer 32 and the half-insulating substrate 1. The p side electrodes 13a are mutually connected by an aerial wiring 15 formed across the gap G.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004240729-A (JP)
Title: Design supporting device and method
Inventor: ITO HIDEKAZU
IPC: G06F17/50
Filed: 2003-02-06
Abstract: <P>PROBLEM TO BE SOLVED: To easily acquire a plurality of three-dimensional views necessary for design using a three-dimensional model.  <P>SOLUTION: This design supporting device is provided with a three-dimensional view automatic preparing means for automatically preparing three-dimensional views viewed from a plurality of predetermined directions so that the plurality of three-dimensional views can be preliminarily prepared concerning a three-dimensional mode. Also, for those plurality of three-dimensional views, picture information necessary for each of them is displayed.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004238536-A (JP)
Title: Resin composition for vibration damping material and vibration damping material
Inventor: MORIKAWA TAKEO
IPC: C08L101/04
Filed: 2003-02-06
Abstract: <P>PROBLEM TO BE SOLVED: To obtain a resin composition for vibration damping materials suitable as a vibration damping material developing a high damping property in a wide temperature range, and the vibration damping material.  <P>SOLUTION: The resin composition for vibration damping materials comprises (A) a thermoplastic resin having ≥60 wt.% chlorine groups on side chains and a 12-50C chlorinated paraffin having 30-75 wt.% chlorine content, or the resin composition for vibration damping materials comprises (A) the thermoplastic resin having ≥60 wt.% chlorine groups on side chains, (B) a thermoplastic resin having polar side chains other than chlorine groups and the above chlorinated paraffin having 30-75 wt.% chlorine content, wherein a weight ratio of the component A to the component B is (20:80) to (100:0). The vibration damping material is obtained by using the composition.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004246944-A (JP)
Title: Optical system for recording/reproducing optical information and optical information recording/reproducing device for hologram
Inventor: KUBO WATARU
IPC: G11B7/0065
Filed: 2003-02-12
Abstract: <P>PROBLEM TO BE SOLVED: To provide an optical system for recording/reproducing the optical information, by which the positioning between each composing member is facilitated and also an optical information recording/reproducing device for a hologram disk can be miniaturized.  <P>SOLUTION: The optical system for recording/reproducing the optical information constitutes the optical information recording/reproducing device for recording/reproducing the information by utilizing holography, and this system is provided with an interference optical system for producing an interference light for the information recording with respect to a recording medium by separating luminous flux emitted from a single light source to 1st and 2nd luminous flux at the information recording time and combining them again after passing through respectively different optical paths, and an optical space modulation part provided with an optical space modulating element for modulating the 1st luminous flux incident through the interference optical system and a substrate part for controlling to drive the space modulating element corresponding to the specified binarization information, then the optical space modulation part is constituted so as to be disposed in a 2nd plane parallel with a 1st plane including at least the optical path of the 1st luminous flux in the interference optical system.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004251296-A (JP)
Title: Method for manufacturing circulation piece for ball screw, circulation piece, and ball screw
Inventor: SAKAI AKIO
IPC: B21D53/10
Filed: 2003-02-18
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method for manufacturing a circulation piece, a circulation piece, and a ball screw, in which they can be manufactured at a low cost, and in which time required for assembling can be reduced.  <P>SOLUTION: This circulation piece is integrally molded by press work from a sheet metal member. In particular, the circulation piece comprises a circulation piece body in which return grooves are formed, and lock parts projected from both side surfaces of the circulation piece body. To a circulation piece insert port of a nut, the circulation piece main body is positioned, and elastically supported based on the lock parts.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004249373-A (JP)
Title: Method for grinding thread groove of ball screw apparatus
Inventor: INOUE MASAHIRO
IPC: B23G1/36
Filed: 2003-02-18
Abstract: <P>PROBLEM TO BE SOLVED: To provide a technique which suppresses increase of the number of components and reduces a manufacturing cost by circulating balls within a closed loop connected by a ball circulating groove, which makes the balls sink toward the inside diameter side of a screw shaft and returns the balls from the down stream side to the upstream side, and which can omits the work for separately grinding a plurality of thread grooves when a plurality of the thread grooves are provided.  <P>SOLUTION: A rotary shaft 43 having grinding wheels 44, 45 mounted thereon is tilted by a lead angle θ2 of the thread grooves 31, 32. Grinding is carried out by bringing the grinding wheels 44, 45 into contact with the track surfaces of the thread grooves 31, 32. As a result, a plurality of the thread grooves 31, 32 are simultaneously ground. Therefore, a production process for the screw shaft 3 is simplified and its manufacturing cost is reduced compared with the case where the thread grooves 31, 32 are separately ground.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004251046-A (JP)
Title: Bathroom floor
Inventor: MIYAMA SHIGEMICHI
IPC: E04F15/00
Filed: 2003-02-21
Abstract: <P>PROBLEM TO BE SOLVED: To provide a bathroom floor which can positively lead water/hot water on bumps into grooves over the entire washing place area to improve the drying performance of a floor surface, and makes the washing place resistant to skidding.  <P>SOLUTION: The washing place 12 includes a predetermined drain port 14, the plurality of the bumps 5 formed on the floor surface and arranged like a matrix, and the grooves 16 formed between the adjacent bumps 15 and extending to the drain port 14. The bumps 15 consists of two types of bumps different in plane area, i.e. large pumps 18 and small bumps 19. The large bumps 18 are arranged in plurality of rows in longitudinal and transverse directions to form a first region 21, and the small bumps 19 are sequentially arranged so as to enclose the first region 21 to form a second region 22.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004257016-A (JP)
Title: Sleeper rolling preventing metal fitting
Inventor: HAMAGUCHI KAZUHIKO
IPC: E21D9/12
Filed: 2003-02-24
Abstract: <P>PROBLEM TO BE SOLVED: To provide a sleeper rolling preventing metal fitting for preventing rolling of a sleeper laid in a shield tunnel.  <P>SOLUTION: This sleeper rolling preventing metal fitting 3 prevents the rolling of the sleeper 2 laid inside the shield tunnel 1 formed by joining a large number of segments by a fastening member 7, and comprises a sleeper fixing member 4 having a fixing part 4a fixed to the sleeper 2, and a joining part 4b joined to the shield tunnel 1 by the fastening member 7.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004258292-A (JP)
Title: Image forming apparatus
Inventor: HOASHI SHIGERU
IPC: G03G15/01
Filed: 2003-02-26
Abstract: <P>PROBLEM TO BE SOLVED: To provide an image forming apparatus having a drive unit that reduces uneven pitch which occurs due to engagement of the gears of a drive part.  <P>SOLUTION: The image forming apparatus includes a drive unit that drives at least one or more image carriers and has a drive gear train having two or more speed reduction stages. A ratio of the number of teeth of the large gear of the intermediate stage gear disposed in the middle of the drive gear train to that of the small gear is constituted of an integer. The phases of the gear positions of the large and small gears of the intermediate stage gear are disposed such that the engaging phases of the teeth in the position where the intermediate stage gear engages with an upstream gear, and with a downstream gear are not the same.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004257938-A (JP)
Title: Method for evaluating compatible state of polymer blend using pulse nmr method
Inventor: MIZUNUMA KOJI
IPC: G01N24/08
Filed: 2003-02-27
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method for rapidly and simply evaluating transverse relaxation time of specific components and a change in transverse relaxation time owing to interaction between polymer components with a polymer blend in a solid state undergoing a change in mobility caused by interaction between polymer components.  <P>SOLUTION: This method is used for measuring the transverse relaxation time of<SP>1</SP>H nuclei by using a pulse NMR method to evaluate the state of interaction of the polymer blend in a solid state, and is characterized by using a polymer made by substituting deuterium element for hydrogen element for at least one component or more polymer components from among component substances of the polymer blend. Measurement of the relaxation time of<SP>1</SP>H nuclei based on a solid echo method can be mentioned as a specific method for measuring the relaxation time.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004259191-A (JP)
Title: User registration application system, user registration object equipment, mobile terminal, and user registration application method
Inventor: MITSUISHI AKIO
IPC: G06Q50/00
Filed: 2003-02-27
Abstract: <P>PROBLEM TO BE SOLVED: To provide a user registration application system that enables application for user registration to be easily carried out, and also to provide user registration object equipment, mobile terminal and user registration application method.  <P>SOLUTION: A laser printer 30 receives a transmission request of equipment information from a cellular phone 40, and requires thereafter a reply about the propriety of a person in charge for the user registration to the cellular phone 40 (S110). A user of the cellular phone 40 inputs that the user is the person in charge for the user registration, by operating an input key 46, and transmit it to the laser printer 30 (S130). The laser printer 30 receiving it transmits the equipment information (commodity name, serial number or the like) and a user registration address (an electronic mail address of a control server 10) to the cellular phone 40 (S140). The cellular phone 40 receiving it transmits automatically personal information (own phone number and electronic mail address) and the equipment information received this time to the electronic mail address of the control server 10 (S150). The control server 10 receiving it registers into a user registration database the equipment information and the personal information while correlating them each other.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004255843-A (JP)
Title: Pressure-sensitive copiable thermal recording sheet
Inventor: MIYAUCHI MASAHIRO
IPC: B41M5/333
Filed: 2003-02-28
Abstract: <P>PROBLEM TO BE SOLVED: To provide a pressure-sensitive copiable thermal recording sheet which, when retouching (pressing) is conducted after thermal printing, can realize clear copying of the contents of the retouching to the underlying sheet and, in addition, has high sensitivity and image storage stability for both thermal printing and pressure-sensitive printing.  <P>SOLUTION: In this pressure-sensitive copiable thermal recording sheet, a specific intermediate layer and a heat-sensitive color developing layer are provided on a support. A microcapsule layer containing specific electron-accepting developer internal capsulated microcapsules and a water dispersible binder is provided on the whole surface or a part of the opposite side of the support. Preferably, the microcapsule layer contains electron-donating dye internal capsulated microcapsules and the electron-accepting developer internal capsulated microcapsules in combination. The heat-sensitive layer contains CVL. The heat-sensitive color developing layer contains an aromatic isocyanate compound and an imino compound having at least one >C=NH group. The concentration of the developer dissolved in the electron-accepting developer internal capsulated microcapsules is preferably in the range of 30 to 50% by mass.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004257205-A (JP)
Title: Pit multistage parking system and its control method
Inventor: KOMORI YASUHIKO
IPC: E04H6/42
Filed: 2003-02-28
Abstract: <P>PROBLEM TO BE SOLVED: To provide a pit multistage parking system capable of parking long vehicles and low in construction cost.  <P>SOLUTION: This pit multistage parking system 1 is provided with a plurality of stages of pallets which are a middle stage pallet 3 and a lower stage pallet 4 operative to be housed in a pit 9, and an upper stage pallet 2 exposed on the ground. The middle stage pallet 3 and the lower stage pallet 4 are used for ordinary vehicles W1, and the upper stage pallet 2 can be mounted with the long vehicle W2 longer than the pit length. A ground drive-in section is provided with housed vehicle detecting means 23, 24a, 24b, 24c, 25, 26 for detecting the housed dimension excess of the ordinary vehicles W1 mounted on the middle stage pallet 3 and lower stage pallet 4, and long vehicle detecting means 22, 23, 25, 26 for detecting the allowable dimension excess of the long vehicle W2 mounted on the upper stage pallet 2.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004265555-A (JP)
Title: Disk drive device
Inventor: UEHIGASHI NAOYA
IPC: G11B33/02
Filed: 2003-03-04
Abstract: <P>PROBLEM TO BE SOLVED: To provide a disk drive device which has a simple constitution and which is space-saving and also excellent in versatility.  <P>SOLUTION: On the top surface of a tray 2, for example, a circular depression 2a where a disk is to be placed and positioned, is provided. In a periphery portion 2aa having an almost half area on deep end side of the depression 2a, a level difference with the outside is large, so that a deep depression is formed. In a periphery portion 2ab having an almost half area on front side of the depression 2a, a level difference with the outside is small, so that a shallow depression is formed. This allows the disk 4 on the tray 2 to be slid to the front, and to be taken out, even when the tray is pushed out in half-open mode up to only the distance of almost the half of a disk diameter. In contrast, this allows the disk 4 to be slid from the front side, and to be also be placed on the tray 2.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004270161-A (JP)
Title: Anticlogging method of underdrainage pipe
Inventor: OISHI TORU
IPC: E02B11/00
Filed: 2003-03-05
Abstract: <P>PROBLEM TO BE SOLVED: To add an anticlogging function preventing the disposition of iron oxides into an underdrainage pipe in advance.  <P>SOLUTION: In the anticlogging method of an underdrainage pipe, drainage including iron is neutralized and the iron is removed by embedding an anticlogging material prepared by mixing a granular rockwool forming high calcium silicate-contained material having excellent water permeability and a contact property with an inorganic hgydraulic material, and the propagation of iron oxidation bacteria in the inside and the peripheral part of the underdrainage is depressed, and iron oxides are prevented from being disposed in the underdrainage pipe.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004272467-A (JP)
Title: Communication system
Inventor: NAKAJIMA YOSHIYUKI
IPC: H04L29/08
Filed: 2003-03-06
Abstract: <P>PROBLEM TO BE SOLVED: To make rapid a retransmission processing for received data when the received data is abnormal.  <P>SOLUTION: In this communication system constituted of a master side device (120) and a slave side device (100) for simultaneously transmitting/receiving data, the slave side device judges the abnormality of data received from the master side device, and adds the judgement result to the data which are being transmitted at present to the master side device, and transmits the data to the master side device.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004269143-A (JP)
Title: Transport device of dolly
Inventor: BABA HIROYOSHI
IPC: B61B13/00
Filed: 2003-03-07
Abstract: <P>PROBLEM TO BE SOLVED: To provide a transport device for a dolly capable of changing the number of dollies constituting a production line easily and at low cost.  <P>SOLUTION: The transport device for dollies is composed of guide means 20, 28, or the like installed along the specified path, a propulsive force giving means 35 located at the specified point of the guide means, a bunch of dollies D-H etc. installed in line in positions ahead of the other than the specified point of the guide means in such a way as abutting to one another and consisting of a plurality of dollies constituting the line, and a transporting machine 1 equipped with a reading part 87 to read the path and the position of the guide means, a drive source 84, and an engaging member 93 coupled with the dolly or separated therefrom. In this transporting device, the propulsive force giving means gives a propulsive force to the backmost situated dolly which the transporting machine carried in to the bunch, and the bunch of dollies is propelled in a single piece.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004006694-A (JP)
Title: Light receiving element and optical semiconductor device
Inventor: OGAWA ISAO
IPC: H01L31/12
Filed: 2003-03-07
Abstract: <P>PROBLEM TO BE SOLVED: To provide an optical semiconductor device which has a suppressed sensitivity in the infrared region and spectral sensitivity more accurately by suppressed.  <P>SOLUTION: The optical semiconductor device comprises a light receiving section 7 provided with two photodiodes respectively having the peak wavelength sensitivities in both visible light region and infrared region and a light receiving element 10 including an amplifying/ calculating circuit 8 for conducting the amplifying/ calculating processes of respective outputs and optimizes a substrate resistivity of the light receiving section 7, a chip thickness ratio for package thickness, distance up to the mount bed edge from the light receiving element edge, and a subtraction magnifying power coefficient α in the amplifying and calculating processes.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003329995-A (JP)
Title: Liquid crystal display device
Inventor: INAGE HISAO
IPC: G02F1/13357
Filed: 2003-03-10
Abstract: <P>PROBLEM TO BE SOLVED: To provide a liquid crystal projector which takes the higher efficiency of heat radiation, lower cost, smaller size and remedy against dust of a liquid crystal display element into consideration.  <P>SOLUTION: Sheets of transparent glass having a thickness to hardly permit focusing of dust on a screen are respectively fixed and arranged on the incident surface side and exit surface side of an image display element. The liquid crystal projector which reduces the deterioration of image quality by the dust is made possible and the promotion of the heat radiating effect of the image display element is made possible by using the image display element of such configuration.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004269707-A (JP)
Title: Lubricating oil composition for internal combustion engine
Inventor: ISHIKAWA MOTOHARU
IPC: C10N30/06
Filed: 2003-03-10
Abstract: <P>PROBLEM TO BE SOLVED: To provide a lubricating oil composition for internal combustion engine excellent in performance required for engine system and in power transmission performance( higher coefficient of friction to wet clutch ).  <P>SOLUTION: The lubricating oil composition for internal combustion engine is such that a lubricating base oil is added with, based on the whole composition, (a) 0.03-0.20 mass%, on a phosphorus basis, of a dialkyl dithiophosphate zinc salt and (b) ≥0.02 mass%, on a boron basis, of a boron-containing ashless dispersant, wherein the mass ratio of boron content B to nitrogen content N(B/N) in the ashless dispersant is ≥0.4 and the nitrogen content of this composition is ≥0.05 mass%.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004271417-A (JP)
Title: Electric apparatus
Inventor: OKUZAWA TADAYUKI
IPC: G01R31/12
Filed: 2003-03-11
Abstract: <P>PROBLEM TO BE SOLVED: To provide an electric apparatus equipped with an inexpensive corona detector for judging easily the presence of corona generation.  <P>SOLUTION: In this electric apparatus in which an insulating plate 2 for supporting a charging part 1 comprising a conductor of a three-phase bus is attached to a grounding metal 3, the presence of the corona generation is easily judged by providing, to a corona generating portion of the insulating plate 2, a corona detecting body 5 comprising a chemical substance reacting with nitrogen oxides to be colored. The presence of the corona generation is inexpensively and easily confirmed thereby by only confirming a hue change without stopping the electric equipment or without touching the electric equipment.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2003279712-A (JP)
Title: Transparent polymer film
Inventor: BOURDELAIS ROBERT PAUL
IPC: G02B5/02
Filed: 2003-03-11
Abstract: <P>PROBLEM TO BE SOLVED: To improve light diffusion of an image illumination light source diffusing a specular light source by improving diffusion light transmission.  <P>SOLUTION: The transparent polymer film has an upper face and a lower face, and includes a plurality of composite lenses in at least one of the faces. The transparent polymer film contains polymer as a main component enough to give a light transmittance of at least 92% by regarding a film thickness of 125 micrometer as reference.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004282212-A (JP)
Title: Image likeness estimating method and image distribution system
Inventor: MATSUMURA KOICHI
IPC: H04N7/173
Filed: 2003-03-13
Abstract: <P>PROBLEM TO BE SOLVED: To automatically generate digest images suited for distributing the images in a video on demand system, and to facilitate selecting image contents suited to the audience by introducing a measure instead of the audience rating showing the degree of popularity of image contents.  <P>SOLUTION: Using audience points based on the behavior history of the audience, a fancy function is generated to numerically express portions which the audience viewed with more interest and other portions viewed without interest. Thus, the portion viewed by the audience with more interest can be automatically extracted using a threshold, thereby automatically generating digest images reflecting the liking of the audience. The cumulative audience value, i.e., the integrated value of an audience function is used as a measure of the interest the audience takes an interest in the image contents to thereby quantitatively express the image contents other audience viewed with interest, resulting in that image contents are more suitably selected.  <P>COPYRIGHT: (C)2005,JPO&NCIPI