baber/WOPTO huggingface dataset:
Patent JP-2001267689-A (JP)
Title: Semiconductor laser element
Inventor: OSATO TAKESHI
IPC: H01S5/343
Filed: 2000-03-16
Abstract: PROBLEM TO BE SOLVED: To provide a semiconductor laser element with oscillation wavelengths from 0.9 to 1.1 μm for obtaining a base transverse mode oscillation up to the high output. SOLUTION: An n-Alx1Ga1-x1As clad layer 12, an n- or i-Inx2Ga1-x2As1-y2Py2 light waveguide layer 13, a compressive strain Inx3Ga1-x3As1-y3Py3 quantum well active layer 14, a p- or i-Inx2Ga1-x2As1-y2Py2 light waveguide layer 15, a p-GaAs etching barrier layer 16, an n-InGaP etching barrier layer 17, an n-Alx4Ga1-x4As current constriction layer 18, an n-GaAs cap layer 19 are laminated on an n-GaAs substrate 11. An SiO2 film 20 is formed on these layers and the SiO2 film 20 in a stripe region with about 3 μm width is removed, and the n-GaAs cap layer 19 and the n-Alx4Ga1-x4As current constriction layer 18 are etched with as a mask of the SiO2 film 20. The SiO2 film 20 is removed and the n-InGaP etching barrier layer 17 on a groove bottom face is etched. Then, a p-Alx1Ga1-x1As clad layer 21 and a p-GaAs contact layer 22 are formed.
Patent JP-2001267692-A (JP)
Title: Nitride based semiconductor element and manufacturing method
Inventor: TOMINAGA KOJI
IPC: H01L21/205
Filed: 2000-03-16
Abstract: PROBLEM TO BE SOLVED: To provide a nitride based semiconductor element produced with a high yield and a small defect in crystal, and its manufacturing method. SOLUTION: In a semiconductor laser element 500, an AlGaN buffer layer 2, an undoped GaN layer 3 are formed on a sapphire substrate 1. A striped oxide film mask 50 is formed on the undoped GaN layer 3. An undoped GaN layer 4 is selectively sidewise grown on the oxide film mask 50 and the undoped GaN layer 3. In addition, a Mg-doped GaN layer 5 is formed on the undoped GaN layer 4, and the surface of crystal growth is made flat. As a result, a structure 100 of a semiconductor laser element is formed on the Mg-doped GaN layer 5.
Patent JP-2001262806-A (JP)
Title: Handrail
Inventor: IWAMOTO MASAAKI
IPC: E04F11/18
Filed: 2000-03-17
Abstract: PROBLEM TO BE SOLVED: To provide a handrail capable of supporting the operation of descending from the upper frame member to an earthen floor and a standing posture from a sitting posture in the upper frame member in the entrance upper frame member or the like and the handrail capable of being preferably used for a toilet and a bathtub. SOLUTION: The handrail is fixed onto a wall surface, and composed of a hypotenuse section and a vertical section. The handrail is fixed onto the wall surface, and consists of the hypotenuse section and the vertical section while being connected to a handrail for an indoor section extended in the horizontal direction.
Patent JP-2000336030-A (JP)
Title: Ophthalmic solution
Inventor: EGAMI FUMIYASU
IPC: A61K31/255
Filed: 2000-03-22
Abstract: PROBLEM TO BE SOLVED: To obtain an ophthalmic solution capable of normalizing the secretion of tear liquid, which can be said as a cause treatment of dry eye that is treated mainly by a symptomatic treatment, by blending a specific amount of aminoethylsulfonic acid. SOLUTION: This ophthalmic solution is obtained by blending 2.0-3.5 wt.%, preferably 2.5-3.0 wt.% aminoehylsulfonic acid. The pH of the ophthalmic solution is preferably 4.5-8.5, more preferably 6.0-8.0, and its osmotic pressure is preferably 200-400 mOsm, more preferably 250-320 mOsm. The ophthalmic solution is obtained by adding aminoethylsulfonic acid, dissolving inorganic salts in an amount of making the osmotic pressure as 200-400 mOsm in a sterilized purified water and then adjusting its pH as 4.5-8.0 by a pH-adjusting agent such as borax.
Patent JP-2001238007-A (JP)
Title: Method for forming image
Inventor: KUGA MASAHITO
IPC: H04N1/00
Filed: 2000-03-27
Abstract: PROBLEM TO BE SOLVED: To enable a scanner part and a printer part to operate smoothly without lowering productivity. SOLUTION: While the printer part operates in the case of performing copy processing, the operation condition of the copy processing is changed to self-contained completion so as not to hinder an active operation of the printer part.
Patent JP-2001271803-A (JP)
Title: Selector valve
Inventor: OSHIMA IKKAN
IPC: F16K11/07
Filed: 2000-03-27
Abstract: PROBLEM TO BE SOLVED: To provide a compact selector valve by narrowing the valve body small. SOLUTION: An oil supply passage 77, actuator oil passages 78, 79 positioned on both sides of the oil supply passage, tank oil passages 80, 81 positioned on both sides of the actuator oil passages, a pair of load pressure detecting ports 82, 83 positioned between the oil supply passages and the actuator passages, and a drain port 88 brought into communication with these load pressure detecting ports are brought into communication with a spool hole 51. A pair of annular grooves 84, 85, meter ring notches 90, 91 formed on the circumferential part of the annular groove, sub-notches 86, 87 formed by shifting its circumferential phase from the meter ring notches, and a drain groove 89 to bring the drain port into communication with the tank oil passage, when the spool is at its center position are formed in the spool.
Patent JP-2001272780-A (JP)
Title: Photosensitive resin composition and color filter for display
Inventor: SUMINO TOMONOBU
IPC: C08F20/20
Filed: 2000-03-28
Abstract: PROBLEM TO BE SOLVED: To provide a photosensitive resin composition having high sensitivity to exposure, a photosensitive resin composition capable of forming a pattern uniform in thickness and a color filter for a display with desired patterns such as colored layers, a black matrix, a protective layer and a gap holding material with a high degree of accuracy. SOLUTION: Each of the photosensitive resin compositions contains at least a photopolymerization initiator, a monomer having an unsaturated double bond, an epoxy resin and an alicyclic compound-containing resin obtained by polymerizing a monomer containing at least a vinyl group and/or an isopropenyl group.
Patent JP-2001283199-A (JP)
Title: Distance recognizing device
Inventor: MORI YUTAKA
IPC: G06T1/00
Filed: 2000-03-29
Abstract: PROBLEM TO BE SOLVED: To provide a distance recognizing device capable of accurately correcting the deviation of two CCD cameras. SOLUTION: When the diameter of a fixed pattern constituted of a sphere is inputted, template picture data corresponding to a distance are calculated, and stored in a template picture data storing means 70. The fixed pattern of the sphere is image picked-up by an image pickup device, and the picture data are fetched, and the template picture data are matched with picture data image picked-up by each camera by a distance calculating means so that the matched picture data are judged for each camera, and a distance to the fixed pattern can be calculated from the judged template picture data. Then, parallax value is calculated based on the distance by a parallax value calculating means, and deviation value is calculated from the position of the fixed pattern in the picture data image picked-up by each camera by a deviation value calculating means.  The deviation value for calibrating the camera is calculated based on the parallax value and the deviation value by a picture data correcting means. Then, the deviation of the picture data to be image picked-up by the camera is corrected based on the calculated deviation value.
Patent JP-2000324138-A (JP)
Title: Method for supporting short-cut
Inventor: DUMORTIER PHILIP
IPC: H04L45/02
Filed: 2000-03-30
Abstract: PROBLEM TO BE SOLVED: To provide a method for supporting a short-cut via a communication network MPLS-D having network nodes ISR1-ISR3. SOLUTION: A switch controller SC 1 in a network node consists of a short- cut control module, a trigger module and a protocol module. In the case that a discrimination criterion decided in advance is satisfied, the trigger module starts assigning a short-cut with respect to a layer 3 transfer relation. The short-cut control module makes communication with a layer 2 switching element SW1, starts assignment of a data packet to the short-cut with labeling, and controls switching of the short-cut. The protocol module distributes a label to switch controllers SC2, SC3 of other network nodes ISR2, ISR3 to adjust the assignment of the label to the short-cut.
Patent JP-2001276951-A (JP)
Title: Forging apparatus
Inventor: UEHARA YOICHI
IPC: B21J5/02
Filed: 2000-03-30
Abstract: PROBLEM TO BE SOLVED: To provide a forging apparatus which enables both hot and cold forging being operated in a single machine by converting the forming speed into a speed which meets the forming conditions of a workpiece and which helps eliminate plant equipment expenses, reduce the installation space, operate the apparatus itself more efficiently and decrease the manufacturing cost of the molded part. SOLUTION: A fixed section 12 is provided with a bottom die set 18 by which a cylinder room 16 is formed, wherein a piston is placed. The cylinder room 16 is pressurized by a hydraulic mechanism 26 as well as being connected to the hydraulic mechanism 26 through connecting apertures 24a and 24b. The hydraulic mechanism 26 incorporates a pressure regulating valve 80 and by changing the operating pressure of the pressure regulating valve 80 to a desired pressure, a speed at which the piston 20 is displaced (a forming speed) can be a desired speed.
Patent JP-2001283883-A (JP)
Title: Fuel cell generating device
Inventor: HASEGAWA MASAKAZU
IPC: H01M8/00
Filed: 2000-03-30
Abstract: PROBLEM TO BE SOLVED: To obtain a fuel cell generating device that effectively collects the heat generated by a water cooled power conversion device having semiconductor elements and operates in high efficiency without complicating the structure of the device. SOLUTION: The fuel cell generating device comprises a distribution point where a piping supplying a part of water flowing from the water treatment pipe to the cooling radiator of the power conversion device is connected with a water treatment pipe connecting the supply water tank and the water treatment device, and a joining point where a piping in which the cooled water after passing the cooling radiator is returned to the water treatment pipe is connected, and the above distribution point is provided on the downstream side of the water treatment pipe than the above joining point.
Patent JP-2001283421-A (JP)
Title: Magnetic recording medium
Inventor: EJIRI KIYOMI
IPC: G11B5/738
Filed: 2000-03-30
Abstract: PROBLEM TO BE SOLVED: To provide a coating type magnetic recording medium showing high C/N in high density magnetic recording (especially using a MR head for reproducing). SOLUTION: The magnetic recording medium formed by providing a lower layer including a non-magnetic powder and a bonding agent on a non-magnetic flexible substrate and by providing a magnetic layer including a ferromagnetic powder and a bonding agent on the lower layer is characterized in the following. The magnetic layer has 0.01-0.1 μm average thickness d and the ferromagnetic powder included in the magnetic layer is an acicular ferromagnetic alloy powder having <=0.1 μm average major axis length and <=120 A.m2/kg (120 emu/g) in σs. And the non-magnetic powder included in the lower layer is an acicular inorganic powder having <=0.15 μm average major axis length and the acicular ratio of the ferromagnetic powder is equal to or lower than the acicular ratio of the acicular inorganic powder.
Patent JP-2001279051-A (JP)
Title: Vulcanized rubber
Inventor: YAGUCHI SHIGERU
IPC: B60C1/00
Filed: 2000-03-31
Abstract: PROBLEM TO BE SOLVED: To provide an isobutylene-based vulcanized rubber good in balance between hardness and mechanical strength, and usable for sealing materials, gaskets for syringes and pneumatic tires. SOLUTION: This vulcanized rubber comprises (A) a block copolymer composed of (a1) polymer block based on an aromatic vinyl compound and (a2) polymer block based on isobutylene and (B) at least one rubber component selected from the group consisting of natural rubber, diene-based polymer rubbers, olefin-based polymer rubbers and acrylic rubbers in the weight ratio A/B of (30:70) to (90:10).
Patent JP-2001284729-A (JP)
Title: Semiconductor laser array device and its manufacturing method
Inventor: TAKAYAMA TORU
IPC: B82B1/00
Filed: 2000-03-31
Abstract: PROBLEM TO BE SOLVED: To provide a semiconductor laser array device that can carry out phase locking between array structures in a semiconductor laser array device where the plurality of array structures are combined. SOLUTION: First and second laser array layers 301 and 311 are positioned so that laser beam oscillation parts 300 and 310 are arranged in parallel at the same position in a vertical direction. In addition, the thickness of a p-type AlGaInP third cladding layer 107 is specified so that one portion of distribution regions 300A and 310A of the laser beam of the laser beam oscillation parts 300 and 310 overlaps each other.
Patent JP-2001059124-A (JP)
Title: Al-Mg-Si ALUMINUM ALLOY COLD FORGED PART EXCELLENT IN APPEARANCE QUALITY AND ITS PRODUCTION
Inventor: FURUYA TADASHI
IPC: C22C21/06
Filed: 2000-04-03
Abstract: PROBLEM TO BE SOLVED: To obtain an Al-Mg-Si aluminum alloy cold forged part in which the coarse growth of crystal grains causing polarized optical reflection is suppressed and having surface properties pleasing in appearance. SOLUTION: This cold forged part contains, by mass, 0.3 to 1.3% Si, 0.4 to 1.3% Mg, 0.1 to 0.5% Cu, 0.1 to 0.5% Fe and 0.04 to 0.4% Cr, and in which the maximum grain size of crystal grains exposed to the surface is <=1.5 mm. If required, it may contain one or >= two kinds among 0.05 to 0.8% Mn, 0.05 to 0.4% Zr, 0.03 to 0.4% V, 0.01 to 0.4% Sn, 0.001 to 0.03% Ti and 0.003 to 0.03% B. It is produced by holding an extruded material at 520 to 580 deg.C for 1 to 10 hr, thereafter executing quenching at a cooling rate of >=200 deg.C/min, subjecting it cold forging, subsequently holding it at 160 to 220 deg.C for 1 to 12 hr and executing aging treatment. Instead of the solution heat treatment, die edge quenching may be executed. In the meanwhile of the quenching and cold forging, holding treatment in which it is held at 80 to 150 deg.C for 5 to 600 sec can be executed as well.
Patent JP-2000307464-A (JP)
Title: Transmitter/receiver for broadband wireless access communication system
Inventor: TAIT DONALD L
IPC: H04B1/40
Filed: 2000-04-03
Abstract: PROBLEM TO BE SOLVED: To reduce the cost and weight and to suppress the power consumption as much as possible. SOLUTION: This transmitter receiver includes a transmission part 104 which converts the frequency of an inputted transmit signal, a reception part 102 which converts the frequency of an inputted receive signal, and a local oscillator part 108 which generates an oscillation signal of local oscillation frequency according to a reference signal. A local oscillation signal splitter is connected to the local oscillator part 108 and an oscillation signal 76 is divided into a transmit oscillation signal and a receive oscillation signal which have the local oscillation frequency. The local oscillation signal splitter feeds the transmit oscillation signal to a transmission part 102 and the receive oscillation signal to a reception part 104.  The transmission part 102 converts the frequency of a transmit signal according to the transmit oscillation signal and the reception part 104 converts the frequency of the receive signal according to the receive oscillation signal. The local oscillator part 108 provided with the splitter is used in common for both transmission and reception, so the constitution is simplified and the power consumption is reduced.
Patent JP-2000314259-A (JP)
Title: Hand-free access device for vehicle
Inventor: BAUDARD XAVIER
IPC: B60R25/24
Filed: 2000-04-03
Abstract: PROBLEM TO BE SOLVED: To provide an effective 'hand-free' access device for a vehicle capable of solving various disadvantages, improving the safety with simple structure. SOLUTION: This hand-free access device comprises a central control unit 1 mounted on a vehicle V, capable of controlling a locking means to lock opening/closing parts 6, 7, 8 of the vehicle V and provided with a discriminating means, and at least one of discriminating parts 9, 10 held by a user, capable of controlling the locking means, and implementing the remote transmission/ reception of the data to/from the discriminating means. When the discriminating means distinguishes the discrimination part 9, the discriminating means transmits the locking signal, and then, transmits the questioning signal into a cabin H of the vehicle V, and receives the 'presence signal' from the discrimination part 10 present in the cabin H.  When the 'presence' signal is received by the discriminating means, the discriminating means transmits the invalid signal which is received by the discrimination part 10 present in the cabin H and stored in its memory to the cabin H.
Patent JP-2001284522-A (JP)
Title: Electronic circuit device
Inventor: HOSOKAWA EIJI
IPC: H01L25/18
Filed: 2000-04-03
Abstract: PROBLEM TO BE SOLVED: To provide an electronic circuit device of such a structure as a pattern formed on a substrate is not stripped due to expansion or contraction caused by temperature variation of mold resin. SOLUTION: Circuit elements 3 are mounted on the surface side 1a of a substrate 1 having rear surface side 1b where a wiring pattern 4 and a resistor pattern 5 are formed by printing and firing and the circuit elements 3 on the surface side 1a are connected electrically with the wiring pattern 4 and the resistor pattern 5 through through holes 2. The substrate is coated with a protective film on the opposite sides. Rear side 1b of the substrate 1 is bonded to a copper frame 6 through adhesive 7, the circuit elements 3 are connected with the copper frame 6 through an Al wire 8 and then the substrate 1 and the copper frame 6 are coated with mold resin 9 except the external connection terminal part.
Patent JP-2001286794-A (JP)
Title: Chemiluminescent liquid-containing aerosol product
Inventor: KOJIMA TOICHI
IPC: B65D47/06
Filed: 2000-04-05
Abstract: PROBLEM TO BE SOLVED: To provide a chemiluminescent liquid-containing aerosol product capable of being housed and preserved in a high quality state and prevented from the deterioration caused by a shock during transport and preservation by dividing a fluorescent liquid and an oxidizing liquid to remove an element causing the deterioration of capacity. SOLUTION: The chemiluminescent liquid-containing aerosol product consists of a shrinkable inner bag housing the fluorescent liquid, a container main body capable of cutting off ultraviolet rays and moisture and the aerosol product containing the fluorescent liquid comprising a pressurizing agent present between the inner bag and the container main body and/or the shrinkable inner bag housing the fluorescent liquid, a container main body capable of cutting off ultraviolet rays and moisture and the aerosol product containing the oxidizing liquid comprising the pressurizing agent present between the inner bag and the container main body.
Patent JP-2001286425-A (JP)
Title: Cleaning sheet for straw mat
Inventor: FUJIMORI YOJI
IPC: C11D17/04
Filed: 2000-04-05
Abstract: PROBLEM TO BE SOLVED: To provide a cleaning sheet for a straw mat which can remove particle substances such as dusts and greasy substances excreted from a human body on the surface to be cleaned and which does not deform the straw mat. SOLUTION: A liquid component including a base made of water and/or lower alcohol and a solvent of an oily substance is infiltrated into a nonwoven cloth as a base material at the rate of 50-200 wt.% of the nonwoven cloth.
Patent JP-2001296865-A (JP)
Title: Music management database system and music cooperative production support system
Inventor: MAJIMA TETSURO
IPC: G10H1/00
Filed: 2000-04-10
Abstract: PROBLEM TO BE SOLVED: To provide a music management database and a music cooperative production support system by which music cooperative production is effectively supported and material data of the produced music are properly managed. SOLUTION: When a music cooperative production is started, a music production project is generated in a server 1, the project is advertised and participants accordingly present music material data from terminals 3 with explanations. The presented data are stored/managed in a music management DB2 for every material, the material data are selected based on music information such as a chord progressing table and tempo, edited into a music and the music is completed by the system.
Patent JP-2001296938-A (JP)
Title: Data transferring device
Inventor: UEDA KOJI
IPC: G06F1/26
Filed: 2000-04-12
Abstract: PROBLEM TO BE SOLVED: To start the supply of power in order to perform a starting operation upon receiving a tart signal from electric devices while making it unnecessary to provide any power source switch. SOLUTION: This data transferring device is provided with a signal detecting part 2 for receiving a start signal from a controller 1 of an electric device B. Upon receiving the start signal, the signal detecting part 2 allows a switch part 11 to turn on. Then, a power source line 10 is turned into a conductive state, and power is supplied from a power source part 9 to a microcomputer 3, and the microcomputer 3 is started. Afterwards, the transmission and reception of data is operated between the microcomputer 3 and the controller 1 through a transmission line 6 and a reception line 7.
Patent JP-2001294433-A (JP)
Title: Method for manufacturing press forming die
Inventor: HIBINO KUNIO
IPC: G11B5/84
Filed: 2000-04-12
Abstract: PROBLEM TO BE SOLVED: To provide a method for manufacturing a press forming die for manufacturing a glass substrate for a magnetic disk, which is free of defects and is less deteriorated in the die in long-term use. SOLUTION: The surface of a die preform 1 formed by machining a sintered hard alloy essentially consisting of tungsten carbide particles and containing a bond phase metal consisting of 2 to 10 wt.% cobalt or its alloy to a desired shape is cleaned with an organic solvent (for example, isopropyl alcohol) of <=2 wt.% in moisture content and thereafter, a protective film is formed on its pressure forming surface 2. The protective film is formed as a thin film by a sputtering method, etc., using a noble metal alloy containing >=1 kind of elements, such as platinum(Pt).
Patent JP-2001298663-A (JP)
Title: Semiconductor device and its drive method
Inventor: KIMURA HAJIME
IPC: H04N5/3745
Filed: 2000-04-12
Abstract: PROBLEM TO BE SOLVED: To provide a semiconductor device which has large signal amplitude value and also can increase a range where the input/output relation has a linear operation while preventing increases of the signal writing time and also to provide a drive method of the semiconductor device. SOLUTION: In this semiconductor device having an amplifier transistor and a bias transistor and the drive method of the semiconductor device, a discharging transistor is provided and performs the pre-discharging.
Patent JP-2001295659-A (JP)
Title: Engine generator
Inventor: SUZUKI MISAO
IPC: F02B63/04
Filed: 2000-04-14
Abstract: PROBLEM TO BE SOLVED: To provide an engine generator, capable of efficiently cooling a generator, while suppressing troubles from being caused due to iron sand and dust. SOLUTION: This engine generator comprises an engine 2, a generator 3 having a power-generating body 16 formed of an outer rotor 11 and a stator 12, and a cooling fan 5 disposed between the engine 2 and the generator 3. The stator 12 is installed on a fan cover 19 for storing the cooling fan 5 therein. A cooling air inlet 27 and a cooling air circulating hole 28 are formed in the fan cover 19. When cooling air 29 flows into the cooling air inlet 27, negative pressure occurs in a space 26, and a part of the cooling air 29 is circulated to form circulating cooling air 30. Because an opening part is not formed around the space 26 of the fan cover 19, the cooling air is not led directly from the outside of the fan cover 19 to the rotor side, while the stator 12 is cooled efficiently by the circulating cooling air.