baber/WOPTO huggingface dataset:
Patent JP-2002217884-A (JP)
Title: Method/equipment for cipher communication, decoder and recording medium
Inventor: KASAHARA MASAO
IPC: H04L9/08
Filed: 2001-01-19
Abstract: PROBLEM TO BE SOLVED: To autonomously update a secret key between persons concerned, without requiring a center. SOLUTION: In the case of updating the secret key, a transmission side encodes a plaintext 1 nonlinearly, to encipher it with the key Ki and a reception side detects a nonlinear encoded word to understand that the key is to be updated. Next, the transmission side encodes another plaintext nonlinearly, enciphers it with a new key Ki+1 and transmits it, and the reception side sets a key, with which the nonlinear encoded word is obtained, as the new key Ki+1.
Patent JP-2001332809-A (JP)
Title: Distributed feedback semiconductor laser and its manufacturing method
Inventor: KOBAYASHI HIROHIKO
IPC: H01L29/06
Filed: 2001-01-19
Abstract: PROBLEM TO BE SOLVED: To provide a complex coupling DFB laser having a little irregularity of characteristics. SOLUTION: This manufacturing method of a distributed feedback semiconductor laser includes a process for forming a lower quantum well structure by growing alternately a lower barrier layer and a lower well layer on a semiconductor substrate, a process for forming an intermediate layer having a band gap wider than the lower well layers to be thicker than the uppermost lower barrier layer on the uppermost lower well layer, a process for forming an upper quantum well structure by growing alternately an upper well layer and an upper barrier layer on the intermediate layer, a process for growing a mask having a periodic pattern on the upper quantum well structure, a process for etching the upper multiple quantum well structure into a periodic form by using the mask as an etching mask and applying the intermediate layer to an etching margin layer, and a process for removing the mask.
Patent JP-2002223193-A (JP)
Title: Optical transmission system
Inventor: MURAKAMI MAKOTO
IPC: H04B10/294
Filed: 2001-01-26
Abstract: PROBLEM TO BE SOLVED: To provide an optical transmission system with a simple configuration and employing an optical amplifier that can solve deterioration in operability and reliability of the system. SOLUTION: In the optical transmission system using an optical fiber for a transmission line and having the optical amplifier amplifying an optical signal belonging to a signal wavelength band on the way of the transmission line, when power supplied to the optical amplifier is a prescribed power or over, the optical signal wavelength is set to the optical amplification band of the optical amplifier and when the power supplied to the optical amplifier is a prescribed power or below, the optical signal wavelength is set to the outside of the wavelength band subjected to absorption or a loss by the optical amplifier.
Patent JP-2002220412-A (JP)
Title: METHOD FOR PRODUCING TERMINALLY MODIFIED POLYPROPYLENE AND PROPYLENE.alpha-OLEFIN BLOCK COPOLYMER
Inventor: SANO YOJI
IPC: C08F297/08
Filed: 2001-01-29
Abstract: PROBLEM TO BE SOLVED: To provide a method for producing a terminally modified polypropylene and a propylene.α-olefin block copolymer in which the polymerization can be performed using an organometallic comlex catalyst in a high temperature region over the room temperature and the stereoregularity of a polypropylene portion is improved. SOLUTION: The method uses a specific titanium diamide complex, a specific organoaluminum compound and a specific boron compound.
Patent JP-2002226231-A (JP)
Title: Method for producing glass product having pearl/ metallic luster
Inventor: NOMIYAMA KOSAKU
IPC: C03B19/02
Filed: 2001-01-29
Abstract: PROBLEM TO BE SOLVED: To provide a method for producing easily and cheaply splendid pearl/ metallic luster glass having appearance which expands possibility of glass expression and feeling not able to be expressed in conventional technique without being influenced by scale, shape or face condition of glass. SOLUTION: On the method for producing the glass product using a mold, a luster film 5a having pearl/metallic luster is formed on the surface of a glass product 7 using the mold 4 after the inner face of the mold 4 is coated by a coating liquid material obtained by dispersing a pigment containing mica particles into a solvent. Micaceous titanium particles can be used as the mica particles and the particle size can be 0.1-50 μm. An aqueous solution of an acryl resin emulsion can be used as the solvent.
Patent JP-2002227366-A (JP)
Title: Step end cover for tread, and step end structure
Inventor: HAYASHI JUNICHI
IPC: E04F11/16
Filed: 2001-01-30
Abstract: PROBLEM TO BE SOLVED: To provide a step end cover for a tread that can acquire an excellent stepping sensation and sufficient durability. SOLUTION: This nosing cover 10 for the tread for covering a step end part 2a at the tread 2 of a wooden staircase 1 is provided with a cover body 11 having a step board 12 arranged along the upper face of the nosing 2a, a front cover plate 13 extending downward from the front end of the step board 12 and arranged along the front end face of the nosing 2a, and an inclined plate 14 extending downward, inclining slightly toward the back face side from the lower end of the front cover plate 13. The upper face of the step board 12 of the cover body 11 is provided with a rugged non-slip part 20 at the middle in a longitudinal direction, along the lateral direction. The cover body 11 is composed of a low foamed molding of hard ABS resin, and at least the tip of the projecting part of the non-slip part 20 is composed of an elastic layer 21 formed of thermoplastic elastomer.
Patent JP-2002175995-A (JP)
Title: Vertical-type epitaxial-growth apparatus
Inventor: SHIBAHARA HIDEO
IPC: H01L21/205
Filed: 2001-01-30
Abstract: PROBLEM TO BE SOLVED: To provide a vertical-type epitaxial-growth apparatus, whereby the films of epitaxial-growth layers can be formed on wafers, while maintaining proper distribution for the thicknesses of the films between the wafers. SOLUTION: The vertical-type epitaxial-growth apparatus has a susceptor, rotated together with its vertical-direction rotating axis, wherein wafers W are held horizontally, a work coil for heating the susceptor and increasing its temperature, and a quartz nozzle 30 for introducing into the apparatus a law-material gas for epitaxial growths. The quartz nozzle 30 has the same configuration as the conventional except than it has fourteen nozzle holes.  That is, in addition to the conventional twelve nozzle holes 18a, the quartz nozzle 30 has a nozzle hole 30a with the same diameter as that of the nozzle hole 18a, at the same pitch as the nozzle hole 18a, located below the lowermost- end nozzle hole 18a of the direction of 0 deg., and has a nozzle 30a with the same diameter as that of the nozzle 18a, at the same pitch as the nozzle 18a, below the lowermost-end nozzle 18a of the direction of 180 deg.. Each nozzle 30a is located above the susceptor 12, within a range of 10-20 mm.
Patent JP-2002227382-A (JP)
Title: Floor backing material and manufacturing method thereof
Inventor: SHIBATA KENICHIRO
IPC: E04F15/18
Filed: 2001-01-31
Abstract: PROBLEM TO BE SOLVED: To provide a floor backing material that can prevent the separation of a sound insulating sheet at a sticking interface. SOLUTION: This floor backing material is provided with a sound insulating sheet 1 in which a waterproof adhesive layer formed by attaching sound insulating metal powder with a waterproof adhesive is provided on one side of a base material sheet, and a moisture-permeable sound-proof base 2 disposed on the lower side of the sound insulating sheet 1. Surface layer plywood 3 is stuck to the surface of the waterproof adhesive layer on one side, and the moisture-permeable sound-proof base 2 is provided on the opposite side to the sound insulating sheet 1 to constitute the integrally laminated floor backing material.
Patent JP-2002228483-A (JP)
Title: Non-contact type position sensor
Inventor: MATSUURA AKIRA
IPC: G01B7/00
Filed: 2001-01-31
Abstract: PROBLEM TO BE SOLVED: To provide a non-contact type position sensor having stable output characteristics without changing a strength of a magnetic force to a magnetoelectric transducer even when used for a long period. SOLUTION: The non-contact type position sensor comprises a magnetic detecting element 27 disposed between a first magnetic detector 13 of a first magnetic element 11 and a second magnetic detector 20 of a second magnetic element 20, and a member 31 to be detected disposed between one end side 11a and the other end side 11b of the element 11 and one end side 20a and the other end side 20b of the element 20 or in the vicinity. In this case, the member 31 is linearly reciprocated from the one end sides to the other end sides of the element 11 and the element 20 between the one end side 11a and the other end side 11b of the element 11 and the one end side 20a and the other end side 20b of the element 20 or in the vicinity.
Patent JP-2002228508-A (JP)
Title: Flow measuring instrument
Inventor: USHIJIMA KAZUHIRO
IPC: G01F1/00
Filed: 2001-01-31
Abstract: PROBLEM TO BE SOLVED: To provide a flow measuring instrument with a relatively simple structure having a small pressure loss, having high mounting flexibility, and little affected by the upstream side of a flow sensor. SOLUTION: A flowmeter is equipped with the flow sensor 4 mounted on an inner wall surface of a pipe line 2 through which a gas flows and having a measurement surface projecting into the pipe line 2, and sheets of a prescribed length disposed parallel to the wall surface of the pipe line 2 on which the flow sensor 4 is disposed. The velocity of flow on the wall surface is measured by the flow sensor 4 to find the rate of flow through the pipe line 2. The inlet length L from the upstream-side end parts of the sheets to the measurement surface and the distance D between the wall surface where the flow sensor 4 is disposed and a sheet 20A are set up so that Reynolds number Re is larger than 2000 relative to the measured maximum flow.
Patent JP-2002226121-A (JP)
Title: Sheet ejecting device and image forming device
Inventor: NOGUCHI TOMIO
IPC: B65H29/22
Filed: 2001-01-31
Abstract: PROBLEM TO BE SOLVED: To provide a sheet ejecting device having superior stackability even to thin sheets, and an image forming device. SOLUTION: As a rib 29 is in agreement with a position of a kicking-out roller 26, sheets S stacked on a sheet delivery tray 20 is stacked in a state that it is stiffened while being raised at its central part in the sheet width direction, whereby a tip of the sheet S3 is kept in the stiffened shape by the sheet S2 stacked in the stiffened state, even when the sheet S3 is abutted on the output tray 20, whereby the sheet S3 can be prevented from being bent during delivery.
Patent JP-2001271844-A (JP)
Title: Shaft/female component assembly, corresponding ball type constant velocity joint and corresponding female component
Inventor: MOULINET FRANCOIS
IPC: F16D3/224
Filed: 2001-02-02
Abstract: PROBLEM TO BE SOLVED: To easily and with high reliability eliminate axial play of a ball type constant velocity joint for an automobile. SOLUTION: This assembly has a shaft 14 and a female component 6 fixed onto the shaft 14, with regard to rotation by a rotation fixing means so as to cooperate through complementary shape. The female component 6 is axially fixed onto the shaft 14 and provided with axial stop means cooperating with a stop means belonging to the shaft and connected to the axial stop means. These stop means act in the mounting direction. The female component 6 is further provided with axial holding faces 60, cooperating with an axial holding face belonging to the shaft 14 and connected to the axial holding faces 60. These holding faces 60 act in a direction opposite to the mounting direction.
Patent JP-2002235288-A (JP)
Title: Method for printing natural fiber product with sublimating dye
Inventor: KANBAYASHI KATSUHIKO
IPC: C09B67/46
Filed: 2001-02-13
Abstract: PROBLEM TO BE SOLVED: To provide a method for printing a natural fiber product with a sublimating dye, by which a transfer printing treatment using the sublimating dye can be efficiently applied to the natural fiber product. SOLUTION: This method for printing the natural fiber product with the sublimating dye comprises dissolving a hot-melt polyester resin insoluble in MEK and toluene, soluble in an aromatic ether or aromatic alcohol and having a glass transition point of <=0 deg.C in a solvent selected from the group consisting of aromatic ethers and aromatic alcohols, dispersing the obtained solution in water, imparting the obtained aqueous dispersion to the natural fiber product, drying the product, superposing the sublimating dye-patterned side of transfer paper on the resin-adhered side of the natural fiber product, and then heating the combination to transfer the pattern.
Patent JP-2002244739-A (JP)
Title: Automatic tracking drive controller
Inventor: TANAKA MITSUHIRO
IPC: B64G5/00
Filed: 2001-02-13
Abstract: PROBLEM TO BE SOLVED: To solve a problem in a conventional automatic tracking drive controller that it is difficult to correspond to changes of tracking conditions such as observation condition, radio wave receiving condition, etc., caused due to a difference in tracking targets such as celestial body, satellite, etc., because servo constant is fixed. SOLUTION: This automatic tracking drive controller is provided with a means for detecting automatic tracking device information indicating type of an automatic tracking device, operation condition, observation condition, and radio wave receiving state and a means for changing and determining servo constant of tracking compensation and performing the control suitable for the automatic tracking device at all times in accordance with the automatic tracking device information.
Patent JP-2002241540-A (JP)
Title: Oil-extended 1,2-polybutadiene and method for producing the same
Inventor: MAEDA MASAKI
IPC: C08J3/18
Filed: 2001-02-15
Abstract: PROBLEM TO BE SOLVED: To provide an oil-extended 1,2-polybutadiene having excellent processability and improved abrasion resistance. SOLUTION: This oil-extended 1,2-polybutadiene comprises (A) a 1,2- polybutadiene and (B) an extending oil.
Patent JP-2002240103-A (JP)
Title: Valve gate type mold apparatus
Inventor: TAKEDA YOSHINOBU
IPC: B29C45/27
Filed: 2001-02-15
Abstract: PROBLEM TO BE SOLVED: To prevent a deviation of a core from a valve pin and a gate by increasing products quantity in a valve gate mold apparatus without increasing in size an entire mold at a low cost. SOLUTION: A material passage unit 21 is commonly used for a plurality of product cavities 3. A material passage 36 formed by the passage unit 21 has a common passage 37 and a branch 38 branched to the gates 39 corresponding to respective product cavities 3 from the passage 37. The valve pin 41 for opening/closing the gate 39 is disposed at an outside of the passage 36 and a heater 25 disposed at its outside. Heat insulation layers 31, 32 are provided between the heater 25 and the pin 41. Thus, a thermal influence from the passage 36 or the heater 25 to the pin 41 is reduced, and a temperature difference of the pin 41 and the gate 39 is reduced.
Patent JP-2002245208-A (JP)
Title: System for supplying information on correction date of registration application
Inventor: TAGAMI HIROSHI
IPC: G06Q10/00
Filed: 2001-02-16
Abstract: PROBLEM TO BE SOLVED: To quickly inform a correction date of registration application at each registry, even to a person who is located remote from the registry. SOLUTION: A system for supplying correction date information of registration application comprising a database 3 and a server 2 connected to the Internet 1 is organized. The database 3 has regions for storing a registry name, a registration type, an application date and the correction date. The server 2 retrieves the database 1, responding to inquiry of the correction date input via the Internet 1 and outputs information of the correction date corresponding to the inquiry to the Internet 1, and a user is able to find out at his place the correction date of desired registration application at nationwide registries by accessing the server 2 via the Internet 1, from an information terminal, such as a portable telephone 4 or a personal computer 6.
Patent JP-2002239122-A (JP)
Title: Game machine
Inventor: UGAWA SHOHACHI
IPC: A63F7/02
Filed: 2001-02-16
Abstract: PROBLEM TO BE SOLVED: To improve interest in a game by enabling a change of selection probability of a previous notice presentation. SOLUTION: In a program executed on a display control board, a lot is executed in each updated display of identification information on the basis of the predetermined selection probability according to the kind of a command outputted from a game control board and inputted to the display control board to select whether the previous notice presentation is executed or not. Thereby, when executing the previous notice presentation, control changing a previous notice selection table for selecting which previous notice selection is executed can be executed.
Patent JP-2002206273-A (JP)
Title: Trench cover
Inventor: SUZAKI TORU
IPC: E03F5/04
Filed: 2001-01-13
Abstract: PROBLEM TO BE SOLVED: To provide a trench cover which can be fixed to a receiving frame of a trench cover suspension portion without creating a gap or shaking even though a motor vehicle or the like runs over the trench cover in the connecting direction of trench covers when isosceles triangle-shaped main trench covers and right angled triangle sub-trench covers used for the U-shaped trench are employed. SOLUTION: The trench cover comprises isosceles triangle-shaped main trench covers 1 used as trench cover for the U-shaped trench and right angled triangle-shaped sub-trench cover 2 with the main trench cover 1 divided into right and left ones with linking pieces 18 protruded for linking the rear surfaces of the neighboring trench covers when connected continuously, from both ends of the trench covers connected to cover plates along bottomside 16'; 16 between leg pieces 8, 9; 5, 6 at the bottom side of the main trench cover 11 located adjacently with the sub-trench cover 2 located at the end portion, bolt attaching shelves 11 having bolt holes 10 at equal spacing respectively are provided.
Patent JP-2002247615-A (JP)
Title: Private branch exchange
Inventor: MORI HIROSHI
IPC: H04Q1/10
Filed: 2001-02-20
Abstract: PROBLEM TO BE SOLVED: To provide a private branch exchange, where cables interconnecting the private branch exchange and terminals or the like can easily be wired from a front of the private branch exchange to its side face or rear face, having only to remove the front cover of a front of casings is enough to conduct cable installation, without the need for removing the side covers at the sides of the casings so as to attain excellent maintainability and workability at wiring installation and prevention of damaged cables at wiring provides superior safety at wiring and superior durability of the cables. SOLUTION: The private branch exchange 1, including the casings 2, 4 and connectors 14 placed in front of the insides of the casings and to which terminals such as telephones and cables such as public lines are connected, is provided with a support pole section 12 that are fixed nearly in the middle of the outside of bottom faces of the casings 2, 4 and with a pedestal 5 placed under the support pole section.
Patent JP-2002242325-A (JP)
Title: Heat-insulating structure of roof frame
Inventor: ICHIKAWA DAISUKE
IPC: E04B7/18
Filed: 2001-02-21
Abstract: PROBLEM TO BE SOLVED: To provide a heat-insulating structure of a roof frame, capable of having the effective heat-insulating effect against strong sunshine during summer seasons, and obtaining efficient effects of air conditioner even at nights. SOLUTION: A wooden frame member of the roof frame supporting a roof, e.g. beams 4 and 5, a vertical roof strut 6, ridge beam 7, roof purline 8, pole plate 9, gable beam 12, etc., is coated with heat-insulating members 10. Using this constitution, radiation to the indoor side at night can be prevented, even if heat is stored in the wooden frame member by strong sunshine during summer seasons. The ceiling 3 is provided to the lower side of the roof frame, and a heat-insulating layer 11 can be laid on the upper side of the ceiling. The gable beam supporting roof boards via the heat-insulating members, heat conduction to the gable beam from the roof is reduced, a large number of slots are formed on the upper surface of the gable beam, and a contact area with the roof boards can be narrowed to reduce heat conduction.  With this constitution, heat storage in the gable beam, i.e., the wooden frame member can be reduced.
Patent JP-2002242556-A (JP)
Title: Blind slat and its manufacturing method
Inventor: INOUE TOMOHITO
IPC: E06B9/386
Filed: 2001-02-21
Abstract: PROBLEM TO BE SOLVED: To provide a blind slat having a thin size in thickness, no fear of twists or the strains in the slat and a good form retentivity. SOLUTION: The blind slat is constituted of the front strip section 8, the back strip section 9 and the intermediate form retaining core 3 formed of the natural wood. The front strip section 8 and the back strip section 9 have cuts 5 getting rid of the habit for a very small pitch more than 0.1 mm to 1.5 mm. The form retaining core 3 is a nonwoven fabric consisting of a thermoplastic resin fiber, and a cross sectional arc-shape gets into the habit of curving by heating.
Patent JP-2002249366-A (JP)
Title: Pumping concrete molding
Inventor: YONEYAMA KANEHIKO
IPC: C04B28/04
Filed: 2001-02-22
Abstract: PROBLEM TO BE SOLVED: To provide a pumping concrete molding with low cost and having sufficient water retention due to low cost of crude aggregates being used. SOLUTION: The pumping concrete molding is characterized by compounding an inorganic hydraulic material, sludge and wood chip in a volume ratio of 1 to 1 to 3, forming into a pre-determined shape and then hardening.
Patent JP-2002259506-A (JP)
Title: Presentation method for service condition of cogeneration, cogeneration service support system and control facility
Inventor: YAMADA TAKAHIRO
IPC: G06Q50/06
Filed: 2001-02-27
Abstract: PROBLEM TO BE SOLVED: To provide a presentation method for service condition of cogeneration, a cogeneration service support system and a control facility capable of grasping easily efficient service conditions of cogeneration facilities in line with user's track record of using and changing the setting of the facilities without having to require an engineer to change the setting. SOLUTION: In energy consuming facilities in a multiple dwelling house and the like, the efficient service conditions are led based on the usage of a first energy such as gas used at a cogeneration facility 10, generating situation of a second energy such as electricity generated by the facility 10 and buying situation of a third energy such as electricity bought from an electric power company to present results to the user via communication network NW such as Internet, and furthermore, service conditions of the facility 10 are set by remote operations via the network NW.