baber/WOPTO huggingface dataset:
Patent JP-2005257843-A (JP)
Title: Method for manufacturing optical waveguide
Inventor: HIROTA YOSHINOBU
IPC: G02B6/13
Filed: 2004-03-10
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method for more simply manufacturing an optical waveguide.  <P>SOLUTION: A waveguide pattern 12a is formed and a core layer 14 is formed on a lower part clad layer 12 having a waveguide pattern 13a on its upper part by an FHD method (process 5). A part of the conductive pattern film 13a is exposed by etching the core layer 14 by RIE and a part 14c of the core layer 14 formed on the conductive pattern film 13a is separated from a waveguide core 14a (process 6). The waveguide pattern film 13a is removed by an erosive substance, so that a part 14c of the core layer 14 formed on the waveguide pattern film 13a is also removed (process 7). The surface of the conductive core 14a is flattened by performing high-temperature heat processing to complete the waveguide core 14a (process 8).  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005045992-A (JP)
Title: Drive circuit for improving start of hybrid induction motor, and method of improving start
Inventor: AHN JUN-HO
IPC: H02P1/44
Filed: 2004-03-10
Abstract: <P>PROBLEM TO BE SOLVED: To provide a drive circuit for improving the start of a hybrid induction motor and a start-improving method, by minimizing the required voltage and supplying a high starting current at start-up, and by performing the operation at an adequate current or lower, when the starting of the motor is finished and it is put into a normal operating state.  <P>SOLUTION: This drive circuit for the hybrid induction motor is provided with main windings 10 that form a main magnetic field, and auxiliary windings 20 that are connected in parallel with the main windings 10, to form rotating magnetic field to the magnetic field generated by the main windings 10. This circuit for improving the start of the hybrid induction motor is constituted of an operation capacitor (Cr) 30 that is connected between the main windings 10 and the auxiliary windings 20, and a starting and current-interrupting means 40 that, electrically connected to the operation capacitor (Cr) 30, supplies a high starting current to the motor at a start time and suppresses the starting current, when it reaches a synchronous speed after the start-up.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005255589-A (JP)
Title: Method for producing 1,3-diketones
Inventor: SUZUKI KEISUKE
IPC: C07D309/10
Filed: 2004-03-10
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method for simply producing 1,3-diketones, capable of keeping a ring structure of a starting material and a substituent thereof.  <P>SOLUTION: The 1,3-diketones (1) (A<SP>1</SP>and A<SP>2</SP>are identical to or different from each other and are each a 1-10C hydrocarbon group which may be substituted; and P is an oxygen-containing group which may be substituted) are obtained by reacting a ring compound (2) (A<SP>3</SP>is OH, a 1-10C acyloxy which may be substituted or the like) with a diketone (3) in the presence of a scandium salt.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005254119-A (JP)
Title: Flocculant and production method therefor
Inventor: ASAOKA KEIICHIRO
IPC: C02F11/00
Filed: 2004-03-11
Abstract: <P>PROBLEM TO BE SOLVED: To obtain a flocculant capable of reducing a waste material, also without using a polymer and safe by reusing carbide slurry, which is treated as an industrial waste material, as the flocculant, and a production method therefor.  <P>SOLUTION: The flocculant is formed by burning the carbide slurry consisting mainly of calcium hydroxide at 800°C to 1,300°C and dissolving the product in an acid solution.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005254400-A (JP)
Title: Tightening tool
Inventor: MATSUNAGA TAKASHI
IPC: B25B23/14
Filed: 2004-03-12
Abstract: <P>PROBLEM TO BE SOLVED: To simply carry out self-diagnosis of tightening torque without using an expensive means such as a torque sensor, in a tightening tool having a clutch interrupting torque transmission.  <P>SOLUTION: The tightening tool 10 comprises a motor M; a main shaft 20 engaged with screws; and the clutch 14 interposed between the motor M and the main shaft 20, transmitting torque from the motor M to the main shaft 20 when a load applied on the main shaft 20 is less than a predetermined value, and interrupting torque transmission from the motor M to the main shaft 20 when the load applied on the main shaft 20 becomes not less than the predetermined value. The tightening tool 10 is equipped with a control unit 60 for controlling the motor M. The controlling unit 60 detects a current passing through the motor M, and determines whether the tightening torque of the screws is normal or not from a motor current value when the torque transmission from the motor M to the main shaft 20 is interrupted.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005260767-A (JP)
Title: Sheet feeder
Inventor: YANAGASE HIDENORI
IPC: G06T3/00
Filed: 2004-03-15
Abstract: <P>PROBLEM TO BE SOLVED: To obtain an image forming apparatus which is possible to easily printout an image on a belt shape printing paper which is not a fixed form and is able to be arbitrary set the length.  <P>SOLUTION: The image is input from an image input part 1, a memory part 2 stores an image inputted from the image input part 1, a setting operation part 3 receives a linking direction of the image, an image linking direction determination means 6-1 determines the linking direction of the output image according to the received linking direction from the setting operation part 3, a linking position determination means 6-2 accumulatively adds lengths of the linking direction, an image linking means 6-3 links a succeeding image based on the determination of image linking direction determination means 6-1 and the linking position determination means 6-2.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004266842-A (JP)
Title: Image processing apparatus
Inventor: OGATA MASAMI
IPC: H04N9/64
Filed: 2004-03-15
Abstract: <P>PROBLEM TO BE SOLVED: To enhance a sense of contrast in an image by applying gradation conversion to regions other than the region of a person's face without applying the gradation conversion to the region of the person's face.  <P>SOLUTION: An image processing apparatus converts received portrait image data into digitized luminance and color difference data and controls a gradation conversion unit 400 for converting the gradation characteristic of the luminance data of the received portrait image data on the basis of skin region information detected by a skin region detection section 2 for detecting a skin region from the digitized luminance and color difference data. A delay unit 5 provides a delay amount corresponding to a time required for the gradation conversion unit 400 to convert the color difference data of the received portrait image data. Thus, the image processing apparatus can enhance the sense of contrast of the image by applying the gradation conversion to regions other than the region of the person's face without applying the gradation conversion to the region of the person's face.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2005267902-A (JP)
Title: Polymer electrolyte fuel cell
Inventor: HASHIGUCHI HARUMI
IPC: H01M8/10
Filed: 2004-03-16
Abstract: <P>PROBLEM TO BE SOLVED: To provide a polymer electrolyte fuel cell having excellent startability even in low humidification or no humidification.  <P>SOLUTION: In the polymer electrolyte fuel cell, a porous gas diffusion layer for fuel having multiple pores, a catalyst layer for fuel, an electrolyte membrane, a catalyst layer for an oxidizer gas and a porous gas diffusion layer for an oxidizer having multiple pores are stacked in that order. The gas diffusion layer for the oxidizer is characterized by that, in a pore distribution using a lateral axis for a pore diameter and a longitudinal axis for a pore volume, a high-frequency peak of the pore volume is set in the range of pore diameter 10-30 μm; and, when it is assumed that the entire pore volume is 100 vol.%, the total pore volume of pores exceeding 30 μm is set not greater than 20 vol.%.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005262942-A (JP)
Title: Pneumatic tire
Inventor: KOMATSU HIDEKI
IPC: B60C11/00
Filed: 2004-03-17
Abstract: <P>PROBLEM TO BE SOLVED: To provide a pneumatic tire having a tread of high competitiveness which is capable of enhancing the traction property and the warming-up property in the initial stage by improving tread rubber, and suppressing degradation of the wear resistance and deterioration of the grip from the middle to final stage.  <P>SOLUTION: In the pneumatic tire, two different tread rubber layers, i.e., a lower layer and an upper layer are successively provided from an inner surface side, both two tread rubber layers contain carbon black of ≥ 90 pts.wt. to the rubber composition of 100 pts.wt., and tanδ at 50°C of the upper tread rubber layer is higher than that of the lower tread rubber layer. Further, Tg of the upper tread rubber layer is lower than that of the lower tread rubber layer, and the tread gage of the upper tread rubber layer is ≤ 1/3 of the total tread gage and ≥ 0.2 mm.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005119263-A (JP)
Title: Information recording medium
Inventor: HIROTSUNE AKEMI
IPC: G11B7/243
Filed: 2004-03-18
Abstract: <P>PROBLEM TO BE SOLVED: To improve writable characteristics while reducing cost in an information recording medium for carrying out recording and reforming of high density.  <P>SOLUTION: In an information recording medium capable of being writable many times by recording by changing an atomic arrangement by irradiation of light, a first protective layer of ≥18 nm and ≤65 nm in film thickness of a first protective layer, a recording film, a second protective layer and a reflection layer are provided on a substrate, and ≥97 atom% in a recording film composition is made from Ge, Bi and Te.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004301499-A (JP)
Title: Tube material correcting member for trial fitting of heat exchanger, and trial fitting device and method for heat exchanger
Inventor: SEKINE AKIRA
IPC: B23P21/00
Filed: 2004-03-18
Abstract: <P>PROBLEM TO BE SOLVED: To surely insert ends of heat exchange tube materials into insertion holes of a header in trial fitting.  <P>SOLUTION: This tube material correcting member comprises a plurality of flat heat exchange tube materials P arranged in parallel in the longitudinal direction in a state in which their length direction is directed in the lateral direction, their width direction is directed in the vertical direction, and their left and right both ends are respectively located on the same positions, and a supporting member 2 for supporting fins F respectively mounted between the heat exchange tube materials P. A pair of left and right tube material correcting members 19 having the plate shape long in the longitudinal direction and provided with a plurality of slits 23 formed from one side edge at intervals same as heat exchanging tubes of a heat exchanger manufactured in the longitudinal direction, are moved between a correction position where left and right both ends of all of heat exchange pipe materials P supported by the supporting member 2 are fitted into the slits 23 for fitting the tube materials, and a non-correction position where the heat exchange pipe materials P are not fitted into the slits 23 for fitting the pipe materials.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005266216-A (JP)
Title: Exposure device
Inventor: KAGAMI TAMITO
IPC: G03F7/20
Filed: 2004-03-18
Abstract: <P>PROBLEM TO BE SOLVED: To shorten the mean image formation time for a recording medium and to prevent the image formation time for the recording medium from becoming longer even when a drawing area increases.  <P>SOLUTION: When images are formed successively on two or more substrate materials, one stage member 46 46 mounted with the substrate materials is mounted on a read carriage 36 and another stage member 46 remounted from the read carriage 36 is mounted on an exposure carriage 18, while alignment marks are read out of the substrate material mounted on the stage member 46 by a CCD camera 106, a drawing area of the substrate material mounted on the other stage member 46 is exposed by a laser scanner 110. Consequently, the mean image formation time from the start of a read of alignment marks from the plurality of substrate materials to the completion of exposure by the laser scanner 110 can be shortened.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005269291-A (JP)
Title: Acoustic apparatus with headphone output jack
Inventor: IWAHASHI MASAKI
IPC: H03F3/181
Filed: 2004-03-19
Abstract: <P>PROBLEM TO BE SOLVED: To simplify the circuit constitution by omitting an audio amplifier circuit for the headphone output only.  <P>SOLUTION: The acoustic apparatus comprises BTL type output amplifiers 10, 11 to which AC voltages of audio signals superposed on a DC voltage bias are inputted. The output of either the amplifier 10 or 11 is connected to a headphone output jack 2 through a DC voltage cutoff means.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005269493-A (JP)
Title: Receiver and reception checking method
Inventor: MIYAGAWA AKIHISA
IPC: H04B1/26
Filed: 2004-03-22
Abstract: <P>PROBLEM TO BE SOLVED: To provide a receiver capable of confirming and inspecting its reception operation independently, without requiring a measuring instrument, the other party of communication, and a special additional circuit block, even when a channel spacing can not be set to a value equal to or narrower than a reception bandwidth.  <P>SOLUTION: The receiver is provided with an antenna portion being an input unit for received signals, a reception portion, a frequency conversion means which is provided in the rear stage of the reception portion, converts the frequency of a received signal into a desired value, and performs output, a control means for setting the reception frequency and controlling the operation of the frequency conversion means, and a detection means provided in the rear stage of the frequency conversion means to detect the presence of electric radiation waves of a high order component frequency of the clock signal. The receiver has a high-order component frequency discrimination means for discriminating that the high order component frequency of the clock signal outputted from the clock oscillator is received normally, and a means for setting a reception frequency to a value which makes the high order component frequency of the clock signal cover its allowable deviation and temperature deviation by the high order frequency discrimination means, and become within the reception bandwidth.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005271613-A (JP)
Title: Motor vehicle
Inventor: YOKOYA KAZUNOBU
IPC: B60L15/20
Filed: 2004-03-23
Abstract: <P>PROBLEM TO BE SOLVED: To provide a motor vehicle capable of avoiding a battery from running out during a stroke by effectively utilizing an insufficient residual battery power even when the residual power of the battery is insufficient.  <P>SOLUTION: This motor vehicle has a range finder 22; battery monitoring means (ammeter 23 and a voltmeter 24); a battery residual power meter 17b; a memory 25; a mode instructing part 26 selecting and instructing any of a plurality of traveling modes; and a control means 28 for controlling the memory 25 to store a charging and discharging power of the battery 17 every predetermined traveling section when a first traveling mode is instructed, and for drawing up a using schedule of the battery 17 based on the residual power of the battery 17 and the stored contents of the memory 25, and driving and controlling a motor device 21 according to the schedule when a second traveling mode is instructed.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2005274177-A (JP)
Title: Treatment apparatus
Inventor: NAKAGAWA YOSHIYUKI
IPC: H05K3/12
Filed: 2004-03-23
Abstract: <P>PROBLEM TO BE SOLVED: To provide a treatment apparatus having excellent general-purpose properties and capable of performing a predetermined treatment with high throughput.  <P>SOLUTION: A usual fluid jet nozzle 2 capable of discharging liquid droplets having a usual particle size of a solution, a fine fluid jet nozzle 3 capable of discharging liquid droplets with a fine particle size smaller than the usual particle size of a solution and a regular reflection type laser displacement meter 4 are arranged above a substrate holder 1 and are attached to the same plate to form a head 10. The head 10 is can be freely moved in X, Y and Z directions by operating the X-axis drive part 41, Y-axis drive part 42 and Z-axis drive part 44 of the head corresponding to the operation command from a control part 50 for controlling the whole of the apparatus. Therefore, the head 10 can be located at the arbitrary position on the substrate S held to the substrate holder 1 and liquid droplets of the solution are supplied to the desired position on the substrate S from the respective nozzles.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2005275574-A (JP)
Title: Vehicle data communication system
Inventor: KAYANO MASAYUKI
IPC: H04W4/04
Filed: 2004-03-23
Abstract: <P>PROBLEM TO BE SOLVED: To provide a vehicle data communication system, which has a large range of information collection in a simple structure and can detect vehicle states.  <P>SOLUTION: The vehicle data communication system has a communication bus 6, which is connected with a plurality of controllers 2 to 5 that process various information on a vehicle 1. The communication bus 6 is also connected to a radio communication gateway apparatus 8, which is provided with a short distance communication module 7 that transmits various information from the controllers to the outside, and mounted on the vehicle 1. The communication bus 6 can communicate with the short distance communication module 7, and receives necessary information from information transmitted from the short distance communication module 7 through a terminal device 9.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2005277152-A (JP)
Title: Point light source light emitting diode and its manufacturing method
Inventor: KATO TOSHIHIRO
IPC: H01L33/08
Filed: 2004-03-25
Abstract: <P>PROBLEM TO BE SOLVED: To provide a point light source light emitting diode in which a light quantity emitted sideways is small.  <P>SOLUTION: In the point light source LED10 which includes a light emitting portion 14, wherein a plurality of semiconductor thin-film layers 20 including a light emitting layer are laminated on a semiconductor substrate 18, and the light generated at the light emitting layer of the light emitting portion 14 is output from a light takeoff portion 26 limited to a part of an upper face 12 of an element, a light shielding wall 16 being confronted with a side face of the light emitting portion 14, having the same height as the light emitting portion 14, and having the same lamination structure as the light emitting portion 14 is formed on the upper face 12 of the element. With such constitution, even if the light is output from the side face of the light emitting portion 14, as a part or all of the light is reflected or absorbed by the light shielding wall 16, the light quantity emitted sideways becomes smaller. Moreover, if the light shielding wall 16 is formed at the same time in an etching process to form the light emitting portion 14, only the same number of processes as such case where the light shielding wall 16 is not provided is needed.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2005275939-A (JP)
Title: Question-type knowledge acquiring system
Inventor: SUZUKI KATSUAKI
IPC: G06F17/30
Filed: 2004-03-25
Abstract: <P>PROBLEM TO BE SOLVED: To obtain a question-type knowledge acquiring system for providing content data to be required by the user, through the use of metadata of the content data.  <P>SOLUTION: The system comprises an archive recording part for recording a large amount of the content data having the metadata; a management server having a problem sentence recording part for storing question data which are ranked by difficulty for each category and providing the question to the user who performs access via a computer network; a difficulty-determining means which is arranged in the management server and marks the answer of the user relative to the question and determines the information degree of the user in the category to which the question belongs, based on the marking result; and a content-retrieving means for retrieving the content data required for acquiring knowledge in the category from the archive recording part according to the information degree of the user in the decided category.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2005270533-A (JP)
Title: Foldable walking stick
Inventor: YOSHIMATSU HARUKI
IPC: A61H3/02
Filed: 2004-03-26
Abstract: <P>PROBLEM TO BE SOLVED: To solve the problems that a foldable walking stick is stopped only at two positions of a rising state and a folding state when a lock is released for folding, there is the danger that the state of a user becomes instable and an accident occurs when rising is stopped due to the loss of strength or the like at the time of rising from a chair or sitting down and certainty lacks in a conventional technique.  <P>SOLUTION: By attaching a reverse rotation preventing mechanism 19 to a turning shaft 8, the stick is stopped at positions other than the two positions of the rising state and the folding state and falling to the back at the time of rising is prevented further.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2005278405-A (JP)
Title: Gene related to acid resistance of lactic acid bacterium and acid induction promoter
Inventor: SASAKI YASUKO
IPC: C12Q1/02
Filed: 2004-03-26
Abstract: <P>PROBLEM TO BE SOLVED: To obtain a new acid-resistant gene directly related to acid resistance of microorganism and a new acid stress induction promoter strongly inducing expression of a combined gene by acid stress.  <P>SOLUTION: The new acid-resistant gene and the new acid stress induction promoter are found by exhaustively analyzing an acid stress gene response in a short time in the acid adaptation of a strongly acid-resistant Lactobacillus gasseri OLL2716 strain (Lactobacillus gasseri LG21) by a DNA array method and confirming the phenotype of the found new gene.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2005283402-A (JP)
Title: Inertia sensor
Inventor: ISHIKAWA HIROSHI
IPC: G01C19/56
Filed: 2004-03-30
Abstract: <P>PROBLEM TO BE SOLVED: To provide an inertia sensor provided with a beam compatible in both high sensitivity and impact resistance.  <P>SOLUTION: Easily deformable parts (thin thickness of recesses 15, holes or the like) are provided locally while avoiding a portion concentrated with a stress generated in the beam by impact. The recesses 15 are arranged line-symmetrically with respect to a straight line along an extension direction passing the center of the beam 13, and a straight line right-angled to the extension direction. A root part of the beam 13 is formed to form a gentle angle making the root part not contact with a weight 12 and a frame 14 at right angle. The sensitivity of the sensor is enhanced thereby without lowering the impact resistance of the sensor, and a stress concentrating area in the beam root part is dispersed to enhance the impact resistance without sacrificing the sensitivity of the sensor.  <P>COPYRIGHT: (C)2006,JPO&NCIPI