baber/WOPTO huggingface dataset:
Patent JP-2002233735-A (JP)
Title: Method for cleaning by using photocatalyst composite
Inventor: YAMAMOTO MAKOTO
IPC: B01J35/06
Filed: 2001-02-07
Abstract: PROBLEM TO BE SOLVED: To provide a method for cleaning a fluid such as a gas by a photocatalyst not raising break-through for a long time, desirably, semi- permanently. SOLUTION: The method for cleaning a fluid comprises the steps of intermittently passing a fluid containing substance to be cleaned up through a fluid cleaner having a chamber packed with a photocatalyst composite comprising a mixture of a photocatalyst material carrying a photocatalyst on at least a part of the surface of a substrate and a porous material, having an inlet that passes the fluid to the chamber, and having an exit that discharges the fluid having passed through the chamber; irradiating the photocatalyst composite with light both during the period in which the fluid is passed through the composite and during the period in which it is not passed therethrough to oxidize objective substances; using a plurality of the above fluid cleaners; and introducing the fluid into one of the cleaners by changing them in turn so as to continuously carry out the cleaning of the fluid.
Patent JP-2002237218-A (JP)
Title: Welding electric wire for harness and its manufacturing method
Inventor: SUZUKI YOJI
IPC: H01B13/012
Filed: 2001-02-08
Abstract: PROBLEM TO BE SOLVED: To provide a welded electric wire for a wire harness and its manufac turing method provided with slipperiness and suppressing the welding tempera ture at a low level. SOLUTION: In the wire harness, a plurality of welded electric wires 10 comprised by covering an insulator 12 on a conductor 11 and forming a self welded layer 13 on the insulator 12 is arranged and formed in a flat shape. It is composed by machining striped uneven parts 14 on the surface of the self welded layer 13 of the welded electric wire 10.
Patent JP-2002234460-A (JP)
Title: Automobile roof panel made of aluminum alloy
Inventor: MITSUDA MASAHIKO
IPC: B62D25/06
Filed: 2001-02-08
Abstract: PROBLEM TO BE SOLVED: To provide an automobile roof panel made of an aluminum alloy having a an excellent solar radiation shielding property for a roof and capable of reducing an amount of heat generation in a cabin for reducing a capacity of an air conditioner. SOLUTION: In this automobile roof panel made of the aluminum alloy, an emissivity ε of one or both of the panel faces is set within a range of 0.01-0.2, and consequently, the shielding property against penetrated heat by the solar radiation is increased.
Patent JP-2002234982-A (JP)
Title: Vibration-damping material composition
Inventor: MIURA AKIHISA
IPC: C08L93/04
Filed: 2001-02-09
Abstract: PROBLEM TO BE SOLVED: To provide a material composition exhibiting high vibration-damping and sound-insulating characteristics. SOLUTION: A first vibration-damping material composition comprises a chlorine-containing polymeric material having a chlorination degree of 30-50 wt.%, a chlorinated paraffin having an average carbon number of 20-50 and a chlorination degree of 30-50 wt.% and a chlorinated paraffin having an average carbon number of 20-50 and a chlorination degree of 50-70 wt.%. A second vibration-damping material composition comprises a chlorine-containing polymeric material having a chlorination degree of 50-70 wt.%, a chlorinated paraffin having an average carbon number of 20-50 and a chlorination degree of 30-70 wt.%, a phthalic acid-based plasticizer and a stabilizer. The vibration-damping material composition can further contain 1-20 pts.wt., based on 100 pts.wt. of the chlorine-containing polymeric material, of a rosin-based compound.
Patent JP-2002245821-A (JP)
Title: Optical fiber illuminator
Inventor: KAWAI TAKASHI
IPC: A61B19/00
Filed: 2001-02-14
Abstract: PROBLEM TO BE SOLVED: To provide a tubular optical fiber illuminator which can radiate light not only on the extension of the axis line of an optical fiber but also inside and outside of the extension of the axis line. SOLUTION: With the optical fiber illuminator 10 equipped with a plurality of optical fibers 11 and a light-emitting end part 15 formed by the optical fibers 11 being bundled together to radiate light transmitted through the inside of the fibers, each of end faces 11a of the optical fibers constituting the light- outputting end 15 is formed so as to be able to reflect the light.
Patent JP-2002243344-A (JP)
Title: Cold storage and refrigeration open show case
Inventor: HIRATSUKA SHIGERU
IPC: F25D17/08
Filed: 2001-02-14
Abstract: PROBLEM TO BE SOLVED: To form an air curtain with no gap and firmly at the upper opening of a case body by a high pressure cold air flow, to prevent entrance of outside air to the interior of the case body, and to improve cooling efficiency, in a flat type cold storage and refrigeration open show case having a flat case body the upper part of which is released. SOLUTION: Cold air outlets 8a to supply cold air toward approximately central direction of a case body 2 are all around throughout the whole periphery in the vicinity of the upper edge of an outer peripheral wall consisting of a front wall 3, a rear wall 4, and right and left side walls 5. A central wall 9 having approximately the same height as that of the outer peripheral wall is formed approximately at the central part of the case body 2, and a cold air inlet 10a opposed to a cold air outlet 8a formed in the outer peripheral wall is formed in the vicinity of the central wall 9. By sucking cold air discharged through the cold air outlet 8a of the outer peripheral wall and sucked through a cold air inlet 10a of the central wall 9, an air curtain by a cold air flow is formed at the upper release part of the case body 2.
Patent JP-2002244075-A (JP)
Title: Picture display device
Inventor: TAKAHASHI KOICHI
IPC: H04N5/64
Filed: 2001-02-16
Abstract: PROBLEM TO BE SOLVED: To provide a picture display device using an eccentric prism as an observation system which hardly deteriorates the eccentric aberration due to assembly errors, etc., even when a low-pass filter is disposed. SOLUTION: This picture display device is provided with a picture display element 3 and an observation optical system which projects a picture thereof to observer's eyes, on the observation optical system, an eccentric prism 10 consisting of the first surface 11 - third surface 13 and a positive lens 20 which has at least one rotation asymmetric surface between the first surface 11 and an exit pupil 1 where the observer's eyes should be positioned are disposed, the rotation asymmetric surface of the positive lens 20 has symmetric surfaces of <=2, at least one symmetric surface of the positive lens 20 comprises the same surface with only one symmetric surface of at least one rotation asymmetric surface which constitutes the eccentric prism 10 and the optical low-pass filter of diffraction type is disposed on at least one surface of the positive lens 20.
Patent JP-2002242939-A (JP)
Title: Thrust bearing
Inventor: SAKAI TAKESHI
IPC: F04C29/00
Filed: 2001-02-16
Abstract: PROBLEM TO BE SOLVED: To increase load capacity of a thrust bearing which is interposed between members eccentrically rotating mutually to support thrust load. SOLUTION: In a group of two rollers 14, 24 that are arranged for linear motion and have cages 16, 26, rolling axial centers of the rollers 14, 24 are perpendicular to each other, the rollers 14, 24 are respectively disposed on each side of an intermediate ring 30, and two bearing washers 12, 22 sandwich the rollers 14, 24 from the sides thereof, so that the eccentric rotating motion of the bearing washers 12, 22 is allowed. For scroll compressor or the like, for example, the first bearing washer 12 is fixed to a revolving scroll member 10, and the second bearing washer 22 is fixed to a housing 20. Each of cages 16, 26 is constituted of an inner lid and an outer lid formed in a shape of U in section by press-molding with a steel plate, and the inner lid and outer lid are overlapped with each other in a telescopic manner to form a box-shaped section.
Patent JP-2002202706-A (JP)
Title: Imaging device
Inventor: OHARA SHUNICHI
IPC: H04N1/29
Filed: 2001-02-19
Abstract: PROBLEM TO BE SOLVED: To provide an imaging device by which a high-quality image is obtained. SOLUTION: This imaging device is provided with a drum or belt-type image forming member driven by a motor, an imaging means to form the image, while it is brought into contact with the image forming member, an erasing means to erase the image formed on the surface of the image forming member, and a transfer means of pressing a recording medium against the image forming member in order to transfer the image on the surface of the image forming member to the recording medium. In the device, the speed of the motor is controlled by an arithmetic operation means according to the load fluctuation of the imaging means, the deleting means and the transfer means.
Patent JP-2002240183-A (JP)
Title: High steam barrier film and method for manufacturing the same
Inventor: SUZUKI HIROSHI
IPC: C23C14/08
Filed: 2001-02-20
Abstract: PROBLEM TO BE SOLVED: To provide a high steam barrier film excellent in transparency and oxygen barrier properties and having steam barrier properties not affected by temperature and humidity. SOLUTION: In a laminate constituted by laminating a vapor deposition thin film layer 2 on at least one surface of a transparent base material film 1, a ratio of x:y of aluminum oxide (AlxOy) constituting the vapor deposition thin film layer 2 changes to x:y=2:2-2:4 continuously from the base material film 1 to a film thickness direction.
Patent JP-2002249331-A (JP)
Title: Apparatus for producing optical fiber preform and method for producing the same
Inventor: ITO HIDEAKI
IPC: C03B37/012
Filed: 2001-02-20
Abstract: PROBLEM TO BE SOLVED: To provide a production apparatus capable of carrying out a rod in tube method in a properly reduced state of pressure. SOLUTION: The production apparatus for producing an optical fiber preform is provided with a jig 100 fixed to the upper end of a large-sized pipe 111 and a clamping part 200 for clamping the jig 100. The jig 100 comprises a cylindrical body having upper and lower openings 100a, 100b through which a primary preform 112 passes. The jig 100 is provided with a first hole 110 and a second hole 120 at the side face. The gap between the large-sized pipe 111 and the primary preform 112 is decompressed by differential evacuation between coarse evacuation from the first hole 110 and main evacuation from the second hole 120.
Patent JP-2002247559-A (JP)
Title: Safety box for railroad station and station job remote monitoring system
Inventor: ITO YASUYUKI
IPC: H04N7/14
Filed: 2001-02-20
Abstract: PROBLEM TO BE SOLVED: To secure the safety of passengers considered to decline accompanying the unmanning of a station. SOLUTION: This safety BOX 1 for a railroad station is provided with a box-like main body 10 installed at an unmanned station forming the entrance ET of a size through which the passenger can enter and the internal space SP, a video conference system 20 installed inside the main body 10 by which bidirectional conversations from the passenger to the station staff present somewhere other than the unmanned station are enabled, a freely openable and closable shutter 11 installed at the entrance of the main body 10 and an emergency door button 16 installed inside the main body 10 for automatically closing the shutter 11 so as not to let a person other than the passenger into the main body 10 by the operation of the passenger.
Patent JP-2001316941-A (JP)
Title: Polyester multifilament yarn and method for producing the same and woven or knitted fabric thereof
Inventor: SHIRAI TAKESHI
IPC: D03D15/00
Filed: 2001-02-22
Abstract: PROBLEM TO BE SOLVED: To produce a polyester multifilament yarn which has spontaneous extensibility and deep colorability and gives a dyed final product having a soft and swollen touch, and to provide a method for producing the same. SOLUTION: This polyester multifilament yarn composed of monofilaments comprising low oriented portions having a birefringence Δn of 20 to 65×10-3 and highly oriented portions having a birefringence Δn of 70 to 150×10-3 is characterized by having peaks each with a U% of +1.0 or larger in a rate of >=5 peaks/m. exhibiting an extension rate of >=0%, when treated in hot water, further exhibiting an extension rate of >=1%, when treated is hot water and then subjected to a dry heat treatment at >=130 deg.C, and having voids having (a) of 0.1 to 2 μm and a (b)/(a) of 1 to 10 on the surfaces of the filaments after subjected to an alkali reduction treatment.
Patent JP-2002224547-A (JP)
Title: Method and apparatus for treating powder
Inventor: NAKADA TAKASHI
IPC: B01F29/60
Filed: 2001-02-22
Abstract: PROBLEM TO BE SOLVED: To provide a method for treating powder which is extremely friendly in working environment without dispersion of dust as to a method of preparing liquid matter containing a powder and a medium by mixing the powder and the liquid medium, and also provide a treating apparatus which is used for this method. SOLUTION: The method for treating powder comprises charging a bag in which powder is stored and a liquid medium into a container, breaking the bag within the hermetically sealed container to mix the powder and the medium by contacting them, and preparing a liquid matter containing the powder and the medium. The treating apparatus which is a container of an almost circle or a polygon in section, has a feed opening with a door capable of being hermetically sealed into which the bag can be casted is provided on a side of the container, an output port with a door capable of being hermetically sealed from which the liquid matter containing the powder and the medium can be taken out is provided on the side of the container and a spiral and platy structure provided inside the container. The whole container can be rotated centering the central axis of the section.
Patent JP-2002250548-A (JP)
Title: Bathroom ventilation system
Inventor: TOUYA KENJI
IPC: F24F7/007
Filed: 2001-02-23
Abstract: PROBLEM TO BE SOLVED: To realize a system capable of ventilating the inside of a bathroom without causing the person at a washing area to feel the sense of cold air. SOLUTION: In order to ventilate a bathroom 10 having a bathtub 22 and a washing area 12 adjacent to the bathtub 22, a bathroom drying system is provided with a ventilating fan 14 provided at the upper side of the bathtub 22, the first gallery 23 provided at the lower part of the side of the washing area 12 corresponding to the location confronting the ventilating fan 14 with the washing area 12 in between at the time in the plam view of the bathroom 10, the second gallery 25 provided outside the area connecting the ventilating fan 14 and the first gallery 23 and a means for controlling the first gallery 23 to close and opening the second gallery 25 to open in interlock with one another them.
Patent JP-2002248205-A (JP)
Title: Presentation device for game machine
Inventor: MIURA TOSHIHARU
IPC: A63F5/04
Filed: 2001-02-23
Abstract: PROBLEM TO BE SOLVED: To enhance a game player's interest in a game by providing a new presentation having superior visual effect. SOLUTION: This presentation device for a game machine is provided with a lens body 51 visually confirmed from the front, a body 53 to be visually confirmed 53 positioned on the back of the lens body 51, and position varying means 54a, 54b, 54c for varying the relative position of the lens body 51 and the body 53 to be visually confirmed in the direction of depth of a focus. The device is carried on the game machine to be used.
Patent JP-2002251059-A (JP)
Title: Toner replenishing device and image forming device equipped therewith
Inventor: MASUDA KATSUMI
IPC: G03G21/10
Filed: 2001-02-23
Abstract: PROBLEM TO BE SOLVED: To miniaturize an image forming device in a state where there is no possibility that developer leaks from a developer cartridge in the toner replenishing device of the image forming device. SOLUTION: This image forming device is provided with one toner replenishing port 49 on one end side in the axial direction of a developing device 12, and also provided with a carrying path forming member 44 forming a carrying path 45 for carrying new toner and recovered toner at the port 49. The member 44 is formed of one part of the unit case 40 of a photoreceptor unit (image carrier unit) A. The photoreceptor unit is formed by integrating a photoreceptor (image carrier) with at least a cleaning device. The developer cartridge 47 for feeding the developer to the path 45 is attached to the outside of the member 44 in the axial direction of the device 12 so as to receive the developer from the cartridge 47 by a receiving port 44h and feed it to the path 45.
Patent JP-2002257918-A (JP)
Title: Position measuring system and method therefor
Inventor: FUKAZAWA YOSHINORI
IPC: G01C15/00
Filed: 2001-02-28
Abstract: PROBLEM TO BE SOLVED: To enable position measurement to be performed by a simple, small- sized and inexpensive system. SOLUTION: A main control part 131 saves remote data in which a timing tug for collation is added to detection data obtained from a pre-decode in a buffer memory. At this time, the main control part 131 saves master data received through a portable telephone 140 as well in the buffer memory. The main control part 131 compares the time tug of the master data with the time tug of the remote data, and at the stage where the master data and the remote data of the same time are gathered, the GPS data of these data is output as a pair of data to a coordinates calculating part 137. The coordinates calculating part 137 decodes both GPS data of the master data and the remote data to make position measurement according to an RTK method.
Patent JP-2002261024-A (JP)
Title: Nitride semiconductor epitaxial wafer and its manufacturing method, and semiconductor device
Inventor: OSHIMA YUICHI
IPC: H01S5/343
Filed: 2001-02-28
Abstract: PROBLEM TO BE SOLVED: To provide a nitride semiconductor epitaxial wafer that has less crystal defects, warpage, and cracks, to provide a method for manufacturing the nitride semiconductor epitaxial wafer, and to provide a semiconductor device. SOLUTION: A sapphire substrate 1 is used as a substrate. In the sapphire substrate 1, a first nitride semiconductor layer 2 is formed on the front, the ion of hydrogen, nitrogen, or the like is implanted from the front and back of a sapphire substrate 1, a middle layer 5 having small mechanical strength is formed in the sappier substrate 1, and the epitaxial growth of a second nitride semiconductor layer 4 is carried out on the first nitride semiconductor layer 2. Grown layer structure is epitaxial structure having at least one layer, semiconductor structure such as pn junction and hetero junction is formed, and the layer structure and epitaxial layer structure for composing one portion of the layer structure are achieved.  The layer structure is suitable for various semiconductor elements such as light emitting diodes, laser diodes, light receiving elements, field effect transistors, HEMTs, and HBTs.
Patent JP-2002262112-A (JP)
Title: Image processor, image processing method and program
Inventor: OCHIAI YOSHINOBU
IPC: G06T1/00
Filed: 2001-02-28
Abstract: PROBLEM TO BE SOLVED: To provide an image processor that can discriminate whether or not image information recorded on an object to be read is panorama photographed with high accuracy. SOLUTION: In the case of discriminating a type of an image frame area exposed on a film, unexposed areas such as an area between frames are read, a maximum value of the read inter-frame unexposed area image is calculated for each color, an unexposed area gain is calculated for each color so that the maximum values reach prescribed values, and the unexposed area gain of each color is multiplied with a gain of an analog processing section 109 when reading the unexposed area.  Then the image frame area is read, a panorama discrimination threshold value TH1 or TH2 is selected depending on whether or not the unexposed area is normally read the calculation of the unexposed gain is normally made, and the type of the image frame area is discriminated on the basis of a result of comparison between the set panorama discrimination threshold value and the value obtained from the read panorama discrimination area.
Patent JP-2002262257-A (JP)
Title: Advertisement distributor, advertisement distribution method, and recording medium with its program recorded therein
Inventor: OKADA SOHEI
IPC: H04N21/24
Filed: 2001-03-01
Abstract: PROBLEM TO BE SOLVED: To provide an advertisement distributor and an advertisement distribution method that can manage advertisement video images distributed on a network in a unified way, efficiently distribute the advertisement video images and acquired information associated with their viewing. SOLUTION: A computer system on the network including a mobile phone network connectable to the Internet is provided with a data distribution means that distributes advertisement video data in cross-reference with a prescribed advertisement address to a video reproducing player making an access to the prescribed advertisement address when the video reproducing player on the network accesses the prescribed advertisement address.
Patent JP-2002262577-A (JP)
Title: Control method for parallel operation of voltage-type inverter
Inventor: AMANO ISAO
IPC: H02J3/38
Filed: 2001-03-01
Abstract: PROBLEM TO BE SOLVED: To provide a parallel operation control method suitable for the occasion of operating a plurality of voltage-type inverters in parallel, and supplying power to a load. SOLUTION: By causing a control device 26 to perform adjustment computation for making the deviation of a detected value zero by a CT 14 from a detected value by a CT 24, causing a control device 36 to perform adjustment computation for making the deviation of the detected value zero, by the CT 24 from a detected value by a CT 34, causing a control device 46 to perform adjustment computation for making the deviation of the detected value zero, by the CT 34 from a detected value by a CT 44, causing control device 16 to perform adjustment computation for making the deviation of the detected value zero by the CT 44 from the detected value by the CT 14, when operating in parallel a voltage-type inverter composed of reference codes 11-14, 16, a voltage-type inverter composed of reference codes 21-24, 26, a voltage-type inverter composed of reference codes 31-34, 36,  and a voltage-type inverter composed of reference codes 41-44, 46, power is supplied to a load 1, suppressing a cross current among the respective voltage-type inverters.
Patent JP-2001246899-A (JP)
Title: Method for fitting guide member with carriage for moving marking device, and marking device
Inventor: CURRENO MARIE-CHRISTINE
IPC: F16C29/02
Filed: 2001-03-01
Abstract: PROBLEM TO BE SOLVED: To provide a method enabling support of a guide member of a carriage of a marking device without necessitating precise boring of a support hole of the carriage, and the marking device. SOLUTION: A hole (16) of a bearing (20, 24) is formed in the carriage (10, 14) of the marking device (2). An intermediate ring (20) is fitted on the guide member (8, 12) and after the carriage (10, 14) is positioned, polymerizable resin is filled in an intermediate space (22) between the wall of the hole (16) and the ring (20) and polymerized and hardened. It is also possible to dispense with the ring (20) and to make the polymerizable resin support the guide member directly and slidably.