baber/WOPTO huggingface dataset:
Patent JP-2003255538-A (JP)
Title: Lactone copolymer resin and radiation-sensitive resin composition
Inventor: MIYAMATSU TAKASHI
IPC: G03F7/039
Filed: 2002-03-01
Abstract: <P>PROBLEM TO BE SOLVED: To provide a lactone copolymer resin having high transparency to a radiation and suitable for use as the resin component of a chemically amplified resist capable of solving the problem of trade-off of resolution and exposure latitude and excellent also in dry etching resistance and pattern shape and to provide a radiation-sensitive resin composition comprising the lactone copolymer resin.  <P>SOLUTION: The lactone copolymer resin comprises a resin which has a repeating unit represented by formula (1) and at least one selected from a repeating unit represented by formula (2-1) and a repeating unit represented by formula (2-2) and becomes alkali-soluble under the action of an acid. The radiation-sensitive resin composition comprises the lactone copolymer resin and a radiation-sensitive acid generator. In the formulae, R<SP>1</SP>-R<SP>3</SP>are each H or methyl.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003259266-A (JP)
Title: Reservation management device
Inventor: TAKAHASHI KENJI
IPC: G11B31/00
Filed: 2002-03-04
Abstract: <P>PROBLEM TO BE SOLVED: To provide a reservation management device which reduces user's load for timer reservation setting operation to reduce a probability of erroneous timer reservation setting.  <P>SOLUTION: A recording and reproducing is selected on the basis of a recording mode set by the user, so that the user need not select a recording and reproducing device at the time of timer reservation setting operation to a recording and reproducing means having a plurality of recording and reproducing devices and a probability of erroneous timer reservation setting can be reduced.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003258775-A (JP)
Title: Iteration decoding system and power consumption reduction method therein
Inventor: OSHIBA SHIGEOMI
IPC: H03M13/27
Filed: 2002-03-04
Abstract: <P>PROBLEM TO BE SOLVED: To provide an iteration decoding system in which power consumption can be reduced.  <P>SOLUTION: The iteration decoding system is provided with first and second soft input and soft output decoders 2 and 3 for performing soft input and soft output decoding, an interleaver/deinterleaver for interleaving/deinterleaving reliability information likelihoods respectively outputted from the first and second soft input and soft output decoders and respectively supplying them to the second and first soft input and soft output decoders, a detection means for detecting the quality of a received signal, and a weighting means for multiplying a coefficient in which the value is high when the quality of the received signal is high and the value is low when the quality of the received signal is low, to at least one of the reliability information likelihood supplied from the first soft input and soft output decoder to the second soft input and soft output decoder and the reliability information likelihood supplied from the second soft input and soft output decoder to the first soft input and soft output decoder.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003253315-A (JP)
Title: Method for desulfurizing molten pig iron with mechanical stirring
Inventor: HARASHIMA KAZUMI
IPC: C21C1/02
Filed: 2002-03-05
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method for efficiently desulfurizing molten pig iron with mechanical stirring, in order to deal with an increasing tendency for smelting a steel having lower sulfur concentration.  <P>SOLUTION: This desulfurization method comprises, when desulfurizing molten pig iron with mechanical stirring, using a refining agent containing FeO of 0.02-0.07 pts.wt. added to CaO of 1 pts.wt., and controlling the value of (CaO /SiO<SB>2</SB>) at the end of desulfurization treatment to 3.5 or higher. The above refining agent includes one or two out of Na<SB>2</SB>O and Al<SB>2</SB>O<SB>3</SB>, wherein 0.02-0.10 pts.wt. in terms of Na<SB>2</SB>O and 0.02-0.20 pts.wt. in terms of Al<SB>2</SB>O<SB>3</SB>, in order to realize the higher desulfurization efficiency. In the above method, preferably, converter slag is used for the FeO source, secondary refining slag for the Al<SB>2</SB>O<SB>3</SB>source, and soda glass scrap, glass cullet, or sodium metasilicate for the Na<SB>2</SB>O source; and the Al source is charged into the molten pig iron to adjust Al concentration after desulfurization treatment to 0.01% (mass%) or higher, in order to more stably obtain the high desulfurization efficiency.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003257082-A (JP)
Title: Optical disk
Inventor: WATANABE HIDETOSHI
IPC: G11B7/257
Filed: 2002-03-05
Abstract: <P>PROBLEM TO BE SOLVED: To provide an optical disk wherein the error caused by adhesion of dirt can be prevented.  <P>SOLUTION: A photocatalyst layer 16 to be photoactivated by the wavelength of a laser beam L for reproducing and recording information is formed on the surface of the optical disk 10 on which the laser beam L is made incident and the photocatalyst layer 16 consists of a substance formed by substituting nitrogen atoms N for a portion of oxygen atoms O of titanium oxide TiO<SB>2</SB>.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003251011-A (JP)
Title: Game machine, computer program and storage medium
Inventor: TAKAGI MASAHIRO
IPC: A63F7/02
Filed: 2002-03-06
Abstract: <P>PROBLEM TO BE SOLVED: To realize a game machine capable of solving the monotony of a big hit game.  <P>SOLUTION: When a first start port switch 27a is ON, a pattern indicator 32a starts variable display of special pattern (t1). When the variable display of special pattern is then stopped to determinately display a big hit pattern (t2), a big prize port 43 is opened (t3), and the big hit game is started. When the stored number of special pattern start reaches '3' or more in the course of opening the big prize port 43, the big prize port 43 is once closed, and the variable display of special pattern is started (t4). When the variable display of special pattern is then stopped, the big prize port 43 is opened again (t5), and when the number of game balls that get in the big prize port 43 reaches 150, the big prize port 43 is closed, and the big hit game is ended (t6).  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003262681-A (JP)
Title: Arm information apparatus
Inventor: FUJITA KAZUHIRO
IPC: G04G99/00
Filed: 2002-03-07
Abstract: <P>PROBLEM TO BE SOLVED: To provide an arm information apparatus, capable of surely fixing its jack cover on the body and reducing the size.  <P>SOLUTION: The jack cover is fixed to a body case 1 with a spring rod 2, together with a band 3.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003261273-A (JP)
Title: Elevator for installation
Inventor: MORINAGA TAKASHI
IPC: B66B7/00
Filed: 2002-03-08
Abstract: <P>PROBLEM TO BE SOLVED: To provide an elevator for installation for easily and efficiently performing tensioning work of a power cable by reducing the power cable in a hoistway, while reducing cost and improving safety.  <P>SOLUTION: A power source board 10 of a landing hall 3 and a control board 14 of a work floor device 8 are connected by a common power cable 12. The control board 14 and a driving part 11, and the control board 14 and a welder 16 are respectively connected by branch power cables 13 and 15 branching off from the common power cable 12. Thus, the connection of the power source board 10 and the work floor device 8 can be used in common by the common power cable 12. Complicated wiring work up to a welding tip unit 17 from the welder 16 arranged in the work floor device 8 can be eliminated, and lifting of the work floor device 8 at welding work can be prevented by switching of a switching means.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003264820-A (JP)
Title: Distribution method, distributor, and receiver for digital image
Inventor: HIRANO MITSUNORI
IPC: H04N21/2385
Filed: 2002-03-11
Abstract: <P>PROBLEM TO BE SOLVED: To provide a distribution method, a distributor, and a receiver for a digital image capable of much suppressing deterioration in quality of a reproducing image in digital image distribution on the Internet.  <P>SOLUTION: The distributor assigns different service ports to a basic picture encoded by image information of one frame and a predicted picture encoded by interframe prediction from each other and distributes a digital image comprising the basic picture and the predicted picture so that the basic picture is transmitted with the highest precedence.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2002348360-A (JP)
Title: Romp bearing alkoxy ether group
Inventor: PICCINELLI PIERO
IPC: C08L53/00
Filed: 2002-03-12
Abstract: PROBLEM TO BE SOLVED: To provide an ROMP bearing an alkoxy ether group. SOLUTION: There is provided a metathesis oligomer having one or more alkoxy ether groups bonded to an oligomer portion. There are also provided a polymerizable composition containing a catalytically effective amount of a 5- or 6-valent ruthenium or osmium carbene catalyst, a method for forming a metathesis polymer by applying reaction conditions of the ring opening metathesis polymerization to the polymerizable composition, and various technical applications as an antifogging agent of the metathesis oligomer.
Patent JP-2003271099-A (JP)
Title: Display device and driving method for the display device
Inventor: KOYAMA JUN
IPC: G09G5/10
Filed: 2002-03-13
Abstract: <P>PROBLEM TO BE SOLVED: To reduce the power consumption of a display device which uses a time gradation system when a multi-gradation display is not necessary.  <P>SOLUTION: In a 2nd display mode wherein the number of gradations is reduced to two as compared with a 1st multi-gradation display mode, a memory controller of a signal control circuit that the display device has eliminates writing of a digital video signal of the low-order bits to a memory. Further, a read of a digital video signal of low-order bits from the memory is eliminated. The amount of information of a digital video signal inputted to a source signal line driving circuit is reduced. In response to the operation, a display controller sets a display period wherein a display is made long. Thus, the number of gradations is decreased to make a frame period longer than that of the 1st display mode.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003168189-A (JP)
Title: Device of providing real-time road situation information
Inventor: CHIN KUNIE
IPC: H04W4/02
Filed: 2002-03-13
Abstract: <P>PROBLEM TO BE SOLVED: To provide a device of providing real-time road situation information.  <P>SOLUTION: By using a microprocessor, present place geographic positional information calculated by a GPS unit is compared with geographic position information of a road situation occurrence spot received by a radio signal reception unit. The microprocessor screens geographic positional information of a road situation occurrence spot corresponding to a fixed condition and the road situation information corresponding to it respectively and sends them through an output unit. Thus, based on the geographic position of a user in moving state, the information matching the individual needs and real-time road situation information can be provided by the device.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003270236-A (JP)
Title: Gas detection member and gas-concentration measuring apparatus
Inventor: TAKAGI KOJIRO
IPC: G01N21/77
Filed: 2002-03-14
Abstract: <P>PROBLEM TO BE SOLVED: To provide a gas detection member for automatically measuring a concentration or the like of a gas when the concentration or the like of the gas is to be measured for controlling information on a kind, a production date, a period termination date or the like of the gas, and for recording information on a measuring place, a measured value, a measuring condition or the like.  <P>SOLUTION: The gas detection member comprises a detecting agent dissolved by reacting with a specific gas, the detecting agent is brought into contact with ambient air, and the concentration of the specific gas contained in the air is detected. The detection member is provided with an information region used to read and write information on the detection member, the concentration or the like of the gas is measured automatically, the information on the kind, the production date, the period termination date or the like of the gas is controlled, and the information on the measuring place, the measured value, the measuring condition or the like is recorded.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003272682-A (JP)
Title: Fuel reform type fuel cell system
Inventor: KOMATSU HIROSHI
IPC: H01M8/10
Filed: 2002-03-14
Abstract: <P>PROBLEM TO BE SOLVED: To provide a fuel reform type fuel cell system in which thawing is not required at the starting below freezing point and the thermal efficiency is improved and the hydrogen storage device is made small.  <P>SOLUTION: The reformed gas rich in hydrogen generated by a reformer 1 is supplied to a shift converter 2 and CO in the reformed gas is reacted with steam by water and denaturated into CO<SB>2</SB>. A gas separation and removal device 5 separates hydrogen from the gas rich in hydrogen and the separated hydrogen is stored in a hydrogen storage device 6. At the starting of the fuel cell, the fuel cell 3 generates power by the hydrogen released from the hydrogen storage device 6. The exhaust air from the air pole of the fuel cell 3 is supplied to a steam separator 9 through an air pole exhaust passage 8. The steam separated by the steam separator 9 is sent out to a passage 20 by a pump 22 and supplied to the reformer 1. A heating device 21 heats the air pole exhaust passage 8, the steam separator 9, and the passage 20 and prevents dew condensation.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003270994-A (JP)
Title: Fixing device and image forming apparatus
Inventor: YAMAZOE YOSHIKAZU
IPC: B05C11/10
Filed: 2002-03-14
Abstract: <P>PROBLEM TO BE SOLVED: To provide a fixing device which enables removal of an excess releasing agent without increases in the size and cost of the device and prevents streaks of oil and ununiform application of the oil and to provide an image forming apparatus having the fixing device.  <P>SOLUTION: The fixing device has a rotational body 12C, another rotational body 12B abutting on the rotational body 12C, a releasing agent application means 20 which applies a releasing agent to the rotational body 12C, a recovery member 44 which recovers the releasing agent from the ends of the rotational body 12B, and a storage member 45 which stores the releasing agent recovered by the recovering member 44. The axial length L2 of the rotational body 12B is greater than the axial length L1 of the rotational body 12C.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003272475-A (JP)
Title: Membrane switch, key switch using the membrane switch, keyboard provided with key switch, and personal computer provided with keyboard
Inventor: OHASHI KAZUTERU
IPC: H01H13/712
Filed: 2002-03-15
Abstract: <P>PROBLEM TO BE SOLVED: To provide a membrane switch capable of preventing plastic deformation of an upper side membrane sheet pressed when switching and holding elastic restoration force for a long time and to provide a key switch by use of the membrane switch.  <P>SOLUTION: In this membrane switch 1 composed of a lower side membrane sheet 2, the upper side membrane sheet 3, and a spacer sheet 4 provided between both sheets 2 and 3, a spring sheet 5 made of a metallic thin plate is arranged on the upper side membrane sheet 3, and a pair of slits 11 are formed in the spring sheet 5 by corresponding to both sides of an upper part electrode 9 of the upper side membrane sheet 3. Moreover, the membrane switch 1 is arranged below a holder member 22 to push down a switch part 12 of the spring sheet 5 by a pressing-down projection 33 when pressing down a key top 21.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003266736-A (JP)
Title: Liquid supply unit, ink supply unit, liquid ejection head and printer head
Inventor: EGUCHI TAKEO
IPC: B41J2/175
Filed: 2002-03-19
Abstract: <P>PROBLEM TO BE SOLVED: To obtain a liquid supply unit having a high ink containing quantity and a simple structure in which ink does not leak at the time of inclination or even if the pressure or temperature is varied and smooth gas/liquid exchange is ensured.  <P>SOLUTION: The ink supply unit comprises an ink containing section 30, an ink chamber 40 coupled with the ink containing section 30, and a valve 50 arranged to move such that an opening/closing member 52 opens an opening area 51 as the pressure in the ink chamber 40 lowers due to decrease in the quantity of ink in the ink chamber 40. The ink containing section 30 comprises an air introduction pipe 32 extending from an outer air communication hole 32a into the ink containing section 30 and taking air corresponding, in volume, to the quantity of ink decreased in the ink containing section 30 from the hole 32a into the ink containing section 30 when the quantity of ink in the ink containing section 30 decreased, and a buffer section 32b capable of storing ink. The lower surface X1 between the lower end P1 and the side end P2 of the outer surface at the buffer section 32b is inclining upward from the central side of the buffer section 32b toward the outside.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2003277374-A (JP)
Title: New method for producing pyrimidone acetamide, and crystal thereof
Inventor: SUZUKI RYOICHI
IPC: C07D401/12
Filed: 2002-03-19
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method for efficiently producing a compound of chemical formula (II) [wherein, E is a 1-6C alkyl group which may have a substituent] by a short process without using a silica gel and methylene chloride.  <P>SOLUTION: The method for producing the pyrimidone acetamide represented by chemical formula (II) involves reacting a compound represented by chemical formula (I) [wherein, D is a protective group which can be deprotected under an acidic condition; and E has the same meaning as the above] with formic acid.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003280225-A (JP)
Title: Electrophotographic photoreceptor and image forming device
Inventor: AZUMA JUN
IPC: C09B55/00
Filed: 2002-03-20
Abstract: <P>PROBLEM TO BE SOLVED: To provide an electrophotographic photoreceptor containing a ketone derivative excellent in charge transfer property in a photosensitive layer, having high sensitivity, low residual potential, excellent electrification performance and excellent characteristics for repeated use, and to provide an image forming device free from image even when images are repeatedly formed.  <P>SOLUTION: A ketone derivative expressed by general formula (1) is incorporated into the photosensitive layer of the electrophotographic photoreceptor to be used in the image forming device. In formula (1), each of R<SP>1</SP>and R<SP>2</SP>represents a halogen atom, alkyl group, alkoxy group, aryl group, aralkyl group, alkylthio group or residue to form a ring, X represents a condensed polycyclic hydrocarbon, each of m and n represents an integer of 0 to 5, when m is ≥2, a plurality of R<SP>1</SP>may be same or different and when n is ≥2, a plurality of R<SP>2</SP>may be same or different.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003282751-A (JP)
Title: Package for high frequency, power module substrate for high frequency, and its manufacturing method
Inventor: KOSAKATA AKIYOSHI
IPC: H01L23/36
Filed: 2002-03-20
Abstract: <P>PROBLEM TO BE SOLVED: To provide a package for high frequency for which an inexpensive heat sink plate having a high heat radiating characteristic can be used and which can prevent the occurrence of warping and dendrites, and to provide a power module substrate for high frequency and its manufacturing method.  <P>SOLUTION: The package 10 for high frequency has a ring-like frame body 12 bonded to the surface of the rectangular heat sink plate 11. The plate 11 is composed of a Cu or Cu-based metal plate having a high heat radiating characteristic, and the ring-like frame body 12 is composed of a resin or ceramic insulating material having an electrical insulation property. In addition, the heat sink plate 11 and ring-like frame body 12 are bonded to each other by using a low-melting point bonding material 13 composed of a resin, solder, or glass.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003280264-A (JP)
Title: Image forming device
Inventor: YOSHINAMI HIDEKI
IPC: G03G9/08
Filed: 2002-03-20
Abstract: <P>PROBLEM TO BE SOLVED: To provide an image forming device low in cost and capable of preventing the occurrence of toner ocurrence stripe image due to contamination of an charging roller without deteriorating the life of a latent image carrying body even when a toner containing a zirconium compound having a high toner aggregation degree is used.  <P>SOLUTION: The following toner is used to develop an electrostatic latent image on a latent image holding body. The toner comprises a plurality of polyester resin having different characteristics, colorant and wax. The molecular weight distribution by GPC obtained from the THF soluble content of the toner shows at least one peak between 1,000 and 10,000 and the half width of the distribution is ≤15,000 molecular weight. The toner contains an aromatic oxycarboxylic acid or its salt and a zirconium compound obtained from a compound containing zirconium or oxyzirconium. The coefficient of surface friction of the toner in a pellet state satisfies 0.25<μ<0.50. The voltage VM applied on the charging roller is varied with time.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003283259-A (JP)
Title: Distortion compensation amplifier
Inventor: DOUSAKA JIYUNYA
IPC: H03F1/32
Filed: 2002-03-22
Abstract: <P>PROBLEM TO BE SOLVED: To provide a distortion compensation amplifier of a feedforward type which compensates for a wide range of input signal stably with respect to distortion.  <P>SOLUTION: In the distortion compensation amplifier, a control circuit 26 detects the frequencies of carriers of input signals entered as branched from a directional coupler 22, decides their bands to which the carrier frequencies belong, outputs a pilot signal of the frequency prescribed in each band via a pilot signal processing circuit 27 on the basis of the judged result, combines the pilot signal with the input signal, and then performs distortion compensation.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003282617-A (JP)
Title: Semiconductor device and its manufacturing method
Inventor: TOYODA TAKESHI
IPC: H01L21/60
Filed: 2002-03-25
Abstract: <P>PROBLEM TO BE SOLVED: To provide a highly reliable semiconductor device without generating short circuit between adjacent projection electrodes in further narrowing of a projection electrode pitch by solving the problems that short circuit is generated between adjacent projection electrodes since the surface of a projection electrode is covered with a conductive plating film and that electrical loss is generated since a connection resistance value between a projection electrode and a mounting pad of a circuit board connected via conductive particles becomes large due to a loss in conductive particles.  <P>SOLUTION: In a semiconductor device wherein a projection electrode is disposed on a pad electrode formed in an active element surface of a semiconductor chip, an insulating film wherein conductive particles are mixed is formed at least at a top part of the projection electrode.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003275141-A (JP)
Title: Sanitary bidet device
Inventor: NAKAMURA HIROSHI
IPC: A47K13/30
Filed: 2002-03-25
Abstract: <P>PROBLEM TO BE SOLVED: To provide a sanitary bidet device with a bottom plate wholly washable by enabling a heating toilet seat to be divided into a toilet seat body with a built-in heater and the bottom plate having a hinge mechanism.  <P>SOLUTION: The sanitary bidet device 10 comprises a sanitary bidet device body 12 installed on a toilet bowl 11 and the heating toilet seat 13 closably mounted on the front side of the sanitary bidet device body 12 and having the built-in heater 24. The heating toilet seat 13 has the toilet seat body 14 mounted with the heater 24 and the bottom plate 15 covering the lower face of the toilet seat body 14, the bottom plate 15 being separatable from the toilet seat body 14.  <P>COPYRIGHT: (C)2003,JPO