baber/WOPTO huggingface dataset:
Patent JP-S55154438-A (JP)
Title: Method for absorptiometric analysis analyzing
Inventor: UCHINO KOUICHI
IPC: G01N21/27
Filed: 1979-05-21
Abstract: PURPOSE:To measure the target element with good accuracy by using the standard solution containing the analysis target element and the contrast element of the concentrations at which the linear relations of the concentrations and absorbancies are always maintained when diluted, and subsequently diluting this and making the colibration curve. CONSTITUTION:The standard solution containing 10ppm of A and 1ppm of B in the case when the relations between absorbancies and concentrations are shown by figure (a) and figure (b) respectively with respect to, for example, analysis target element A (Zn) and contrast element B(Ag) is prepared and while this is subsequently diluted, their respective absorbancies DA, DB are measured to obtain the calibration curve such as the one shown in figure (c). Next, the specimen solution containing A of an unknown amount (0-10ppm) is measured and from the absorbancy DA1 thus obtained, the imaginary absorbancy DB1 of the corresponding B is obtained by using the calibration curve. Next, the concentration CA1 of A in the specimen solution is obtained by using the relations shown by general formula II [k is the concentration ratio of A to B (10 times) in the standard solution; m is the conversion coefficient of the concentration of B with respect to the absorbancy of B].
Patent JP-2000256131-A (JP)
Title: Tyrosinase production inhibitor and skin lotion containing the same
Inventor: SEI EIJI
IPC: A61K8/00
Filed: 1999-03-09
Abstract: PROBLEM TO BE SOLVED: To obtain a tyrosinase production inhibitor and a skin preparation for external use exhibiting extremely high bleaching effect. SOLUTION: This tyrosinase production inhibitor comprises an extract of wheat seed. An extract of wheat seed embryo bud part is preferable as the extract of wheat seed. This skin lotion comprises the tyrosinase production inhibitor. One or two or more kinds of medicinal agents selected from glabridin, glabrene, liquilitin, isoliquilitin and licorice extract containing these substances, coix seed extract, tea extract, scutellaria root extract, barley extract, fermentation metabolite, vitamin A and its derivative, vitamin C and its derivative, vitamin E and its derivative, ultraviolet light protecting agent, α-hydroxy acid and its salt and glycyrrhizic acid and glycyrrhetic acid and their derivatives may further be formulated in the skin lotion.
Patent JP-S63226951-A (JP)
Title: Resin sealed semiconductor device
Inventor: SHIOBARA TOSHIO
IPC: C08G59/40
Filed: 1987-03-16
Abstract: PURPOSE:To obtain a semiconductor device whose mechanical strength such as fluidity, bending strength, banding elastic modulus or the like is excellent and which is sealed by an epoxy resin composition whose coefficient of expansion is small, whose glass transition temperature is high and whose stress is made low, by using a sealing resin in the form of a composition containing four specified components. CONSTITUTION:A resin-sealed semiconductor device is sealed by an epoxy resin composition containing the following: (A) an epoxy resin whose main component is a triphenol alkane epoxy resin as expressed by a general formula (1) or its polymer; (B) a hardener whose main component is a resin selected from a substituted or nonsubstituted novolak phenol resin and triphenol alkane as expressed by the general formula (2); (C) a block copolymer which is obtained by an addition reaction of a novolak resin containing an alkenyl radical and organopolysiloxane as expressed by the general formula (3); (D) an inorganic filler. It is preferable that the mixed amount of the block copolymer under said (C) is within a range of 2-100 weight parts per 100 weight parts as a total of the component (A) and the component (B).
Patent JP-H05261920-A (JP)
Title: Ink jet print head and manufacture thereof
IPC: B41J2/16
Filed: 1992-03-18
Abstract: PURPOSE:To improve cutting accuracy off a single crystal base and stabilize the printing quality of a print head in which the single crystal base such as silicon is used and improve its manufacturing method. CONSTITUTION:A plurality of print head patterns provided with a plurality of ink passage channels communicating with nozzles 6, pressure chambers 3 generating the pressure for jetting ink drops and feed lines 2 feeding ink are formed on the surface of a single crystal wafer 1 by etching. Simultaneously cut channels 9 corresponding to respective print head patterns on the rear face of said water are formed. A vibration plate wafer 5 is stuck to the single crystal wafer 1, and then a single crystal base 10 having one print head pattern and the vibration plate are cut along the cut channels 9.
Patent JP-2000255326-A (JP)
Title: Locking structure for vehicular housing box
Inventor: YONEYA SEIJI
IPC: E05C21/00
Filed: 1999-03-09
Abstract: PROBLEM TO BE SOLVED: To make a tray and a storage space be properly usable in a one-touch manner, in a console box where the tray is slidably installed in a box body. SOLUTION: This housing box is equipped with a storage body 30 having a storage space 31, a door 32 closing the storage space 31, and a slidable tray 33 being installed in space between the storage space 31 and the door 32, and guided by both stationary and movable rails. In this case, it is provided with a pull-type locking device locking the door 32 to the storage body 31 and a push-type locking device locking the tray 33 to the storage body 31, and further, the push-type locking device is constituted so as to release the locking by linking up with the pull-type locking device at the time of operating the lock release.
Patent JP-S62221879-A (JP)
Title: Portable engine power generator
Inventor: KURATA TAKASHI
IPC: H02M7/48
Filed: 1986-03-19
Abstract: PURPOSE:To miniaturize a generator and lighten the weight, by setting the input DC voltage of an inverter circuit with a constant voltage feeder circuit. CONSTITUTION:A portable engine generator is provided with an AC generator 1 and an inverter circuit 2, and between the AC generator 1 and the inverter circuit 2, a main circuit system 10 and a control system 20 for controlling the system 10 and the inverter circuit 2 are arranged. The AC output U-W of the AC generator 1 is converted to direct current by a rectifier circuit 11, and the current is directed to a switching regulator 12 and is converted to stabilized DC voltage, and after that, it is fed to the inverter circuit 2. The DC power of the rectifier circuit 11 is switched on and off by the switching transistor 13 of the switching regulator 12 to set the DC input of the inverter circuit 2. Then, the rotational frequency of an engine can be set high, and so the generator 1 can be miniaturized and the weight can be lightened.
Patent JP-H0263653-A (JP)
Title: Mold powder for continuous casting of copper and copper alloy
Inventor: YAMAMOTO MICHIHARU
IPC: B22D11/07
Filed: 1988-03-17
Abstract: PURPOSE:To produce an ingot having no surface defects by using mold powder for continuous casting of copper and copper alloy having a specific compsn. thereby lowering the melting rate of even the mold powder having a low melting point without contaminating the molten metal. CONSTITUTION:The melting rate of even the mold powder having the low m. p. can be lowered by converting part of the heat thereof to endothermic reaction heat by endothermic reaction and splashing the formed gas from the mold powder layer into the atm. air, thereby escaping the heat. The compsn. of the powder for continuous casting of the copper and copper alloy is composed of 10 to 95wt.% >=1 kinds of borax and boric acid anhydride and 5 to 90wt.% of >=1 kinds among the acetate, bicarbonate, carbonate, and hydroxide of sodium. As a result, the melting rate lowers and the ingot having the less surface defects of not only shape defects but cracks and dents as well is obtd.
Patent JP-H10234598-A (JP)
Title: Bath tub cleaning device
Inventor: MIYAWAKI HISASHI
IPC: A47K3/00
Filed: 1997-02-28
Abstract: PROBLEM TO BE SOLVED: To provide a bath tub cleaning device which is capable of selecting between the levels of cleaning a both tub in compliance with the condition of a soiled bath tub and at the same time, is equipped with a selecting means of a simple, highly durable and low cost construction. SOLUTION: This bath tub cleaning device has a cleaning liquid injecting nozzle 20 which injects a cleaning liquid and cleans a bath tub 10 by injecting the cleaning liquid toward the internal wall of the bath tub 10 from the cleaning liquid injecting nozzle 20. In this case, at least, two different modes are available; one standard mode by which the cleaning liquid is injected from the cleaning liquid injecting nozzle 20 so that a cleaning capability is constant to some extent and the other elaborative mode by which the cleaning liquid is injected from the cleaning liquid injecting nozzle 20 so that the cleaning capability is higher than when the standard mode is applied.
Patent JP-H02240931-A (JP)
Title: Manufacture of semiconductor device
Inventor: TAKAISHI TAKESHI
IPC: H01L27/06
Filed: 1989-03-14
Abstract: PURPOSE:To enable preparation of a bipolar transistor by a simple process wherein a base layer of low impurity concentration and a base lead-out part of high conductivity are formed simultaneously by one ion implantation. CONSTITUTION:A collector layer 101 is made to grow epitaxially on an n-type single-crystal silicon substrate, an insulating film 3 is formed thereon, and a base region 102 is formed by implanting boron ions. After a p-type layer is formed by ion implantation, a window 114 for a part wherein an emitter is formed is prepared by etching the p-type region of high concentration so that a base lead-out part 113 is left, and an emitter 115 of an n-type polycrystalline silicon is formed therein by an LPCVD method. By this constitution, a bipolar transistor wherein an external resistance of the base lead-out part 113 is low and the impurity concentration of a base is low and which has a high speed and a large gain can be obtained by a simple process.
Patent JP-H06280869-A (JP)
Title: Needle roller type linear guide
Inventor: YONEZAWA MAKOTO
IPC: B65H5/36
Filed: 1993-03-22
Abstract: PURPOSE:To prevent a retainer from being shifted in a simple and low-priced construction by a linear guide using a needle roller as a rolling element. CONSTITUTION:A retainer shifting preventing mechanism is built in a needle roller type linear guide. For example, if a running block 20 is used, the running block 20 is installed on a moving side rail 2 through wires 11, 12, and a retainer 3 is connected to the running block 20 through springs 35, 38. If shifting is caused in the retainer 3 during rectilinear motion along the moving side rail 2, the springs 35, 38 are unbalanced, return force is generated in one spring depending on the direction of shifting, and the return force is applied to the retainer 3. The applied force is the force in the direction of pulling back shifting and applied always in the returning direction to eliminate shifting during stroke. Shifting can be corrected and absorbed so as to prevent accumulation.
Patent JP-S57175945-A (JP)
Title: Detecting method for explosion of combustible gas and dust and its device
Inventor: SHIMIZU TAMIO
IPC: G01N7/06
Filed: 1981-04-23
Abstract: PURPOSE:To detect explosion of a gas to be tested by releasing to the outside open space raised pressure after a gas to be tested is exploded in a reaction vessel and detecting the pressure in said vessel. CONSTITUTION:After a vacuum pump 11 is started for operation, its cocks 9 and 10 are opened to make inside of a reaction vessel 1 vacuum. Next the cock 9 is opened and a certain amount of a gas to be tested is put into the reaction vessel 1 from a sample bin 13. Next, the cocks 7 and 9 are closed and the cock 10 is opened to remove the gas to be tested that is in the pipe to the cock 7. Next, the cocks 7 and 8 are opened to introduce air up to the cock 7. In this state the cock 7 is opened to introduce air into a reaction vessel 1. When the air is brought to the atmospheric pressure, the cocks 7 and 8 are closed. The gas mixture in the reaction vessel 1 is electrically ignited after the pressure is made uniform by operating a stirrer 5. When the pressure in the reaction vessel 1 is raised over a certain value by the explosion of the gas mixture, a pressure release device 2 is opened to reduce the pressure inside of the reaction vessel 1 and the pressure in this state is detected with a pressure detecting element 3 to judge the explosion state.
Patent JP-S55154422-A (JP)
Title: Reverberation characteristic measuring apparatus
Inventor: KAWAKAMI FUKUJI
IPC: G01H3/00
Filed: 1979-05-19
Abstract: PURPOSE: To enable the accurate and simple measurement of reverberation time by detecting the time when irregular fluctuations begin thereby setting the evaluation section of the reverberation time (curve).  
     CONSTITUTION: The integrated value I 1  in the specified section of the difference between the square R 2 (x) of sum of impulse response r(x) and noise n(x) and the square n eff   2  of the noise n(x) is input to an input terminal 1, and is input as integrated value I 2  to the inversion input end of an operational amplifier 3 which constitutes a substractor. On the other hand, the integrated value I 1  is delayed by as much as the specified time by a delay circuit 4 and is supplied as integrated value I 3  to the noninversion input end of the operational amplifier 3. When the substractoin of I 3 -I 2  is accomplished in the operational amplifier 3 and the integrated value I 4  is sent out to an output terminal 5, the time when the fluctuations of the noise n(x) begin inrregular fluctuations may be detected by detecting the time when the polarity of the integrated value I 4  shifts from positive to negative. 
     COPYRIGHT: (C)1980,JPO&Japio
Patent JP-H07247711-A (JP)
Title: Factory building equipped with subsidiary building capable of travelling
Inventor: YAMAMOTO YUJI
IPC: E04H5/02
Filed: 1994-03-08
Abstract: PURPOSE:To save the space of working area for maintaining goods in a factory building, reduce a construction cost of the building and to promote working efficiency at a narrow small site. CONSTITUTION:A factory building is constituted of a main body building 1 and a subsidiary building 2 covering a working area 4 wherein goods in the main body building 1 are taken out horizontally to the outdoors and are handled. The subsidiary building 2 is equipped with a short stud 6 on the main body building 1 side and a long stud 7 opposed to the short stud 6, a wheel 8 mounted to the lower end of the short stud 6 is brought into contact with a rail 9 laid on a ridge 29 of the main body building 1 and are borne thereon, and a wheel 10 mounted to the lower end of the long stud 7 is brought into contact with a rail 11 laid on the ground and are borne thereon. A wall part 12 in the working area for taking goods in the main body building 1 in the subsidiary building 2 is removed or capable of opening and shutting, a good taking out device 5 for taking goods in the main body building 1 in the subsidiary building 2 is provided, and the subsidiary building 2 is moved along the main body building 1 in correspondence with a place taking out goods in the main body building 1.
Patent JP-H09229897-A (JP)
Title: Air-fuel ratio sensor
Inventor: TSUJI NOBUYUKI
IPC: G01N27/409
Filed: 1996-02-23
Abstract: PROBLEM TO BE SOLVED: To provide a air-fuel ratio sensor having superior waterproof properties which can stably and surely seal and fix a lead wire into a lead wire insertion hole, and can be set at a high temperature part. SOLUTION: The sensor is constituted of protecting covers 11, 12 set above a housing 10 and an elastic insulating member 2 arranged inside the protecting covers 11, 12 and having lead wire insertion holes 20 for the insertion of lead wires 31, 32, 41. The minimum thickness of the elastic insulating member 2 between lead wire insertion holes 20 closest to each other on a perpendicular face in the axial direction, and the minimum thickness between the lead wire insertion hole 20 closest to the outermost circumferential face of the insulating member 2 and the outermost circumferential face are both 1mm or larger. Moreover, the protecting covers 11, 12 are caulked inward, so that an outer diameter of the elastic insulating member 2 is deformed 10-20%.
Patent JP-S54154024-A (JP)
Title: Motor controller
Inventor: UDAGAWA RIYUUSUKE
IPC: H02P21/24
Filed: 1978-05-26
Abstract: PURPOSE: To largely lengthen the life of the shaft of a centrifugal separator and of the bearings thereof by connecting a motor to a power supply in varied pattern to thereby weaken the impact when the power supply is connected to the motor.  
     CONSTITUTION: An input signal e 1  is converted by a logic circuit 10 to a signal e 2 . A one-shot multivibrator 12 receives the input signal e 2  and generates a pulse e 4  of predetermined pulse duration. AND gate 13 receives the pulse e 4  and a voltage e 3  oscillated by an oscillator 11 and generates an output e 7  of logical product of the inputs. Another AND gate 13 receives the voltages e 2  and e 5  and generates an output e 6  of logical product of the inputs. An OR gate 14 receives the voltages e 6  and e 7  and generates a logical sum of the inputs as a voltage e 8 , which controls the base current of a semiconductor breaker for opening or closing the motor for a centrifugal separator. 
     COPYRIGHT: (C)1979,JPO&Japio
Patent JP-S58177708-A (JP)
Title: Controller of car air conditioner
Inventor: FUKUI HOUNOU
IPC: B60H1/00
Filed: 1982-04-13
Abstract: PURPOSE:To perform intake of the outside air suitable for a distributive condition of impure gas components, by changing the reference of detection in accordance with a detecting frequency of impure gas in an electric control means processing an electric signal from a gas ingredient detector. CONSTITUTION:A controller 6 consisting of a microcomputer compares an output value Vs of a gas sensor 4 with a prescribed reference value Vo, if the difference is large than a prescribed value D, detection of impure gas is decided and the detection is counted at each time to a counter A set to a memory. Then if the value A is at least 3 for a prescribed time, for instance, four minutes, an air contamination decision value is set to a town district TOWN, in case of tnot larger than 3, the value is set to a suburban district SUBR, if exceeding this decision value, an internal and external air selector damper 2 is placed to an internal air circulative condition, while if within the decision value, the damper is placed to an outside air introducing condition. In this way, intake of the outside air of a car suitable for an impure gas component distributive condition can be performed.
Patent JP-S57177432-A (JP)
Title: Calliper of disc brake using a pin
Inventor: OGAWA YUTAKA
IPC: F16D65/02
Filed: 1981-04-24
Abstract: PURPOSE:To make a calliper, in which a pair of friction pads are pressed to a rotor in engagement, in a light weight by restricting the weight claiming casting part to cylinder and using bent sheet metal to other parts. CONSTITUTION:The cylinder part 1 of a capplier, constituting a cylinderical body with its one end opened, is made by casting, and a flange 8 is formed at a part of the periphery of said cylindrical body, i.e. in the location nearer the open end of the cylinder 2, in such a way as stretching outward in the radial direction. The yoke part 9, on the other part, of this calliper is formed by bending a flat plate, composed of the body 10 bent into an inverted U-form in profile, an opening 11 supporting the cylinder 1 which is fitted at one leg 10g of said body 10, and a skirt having mounting holes and provided on the sides of the opening 11. The cylinder 2 is furnished with an oil chamber 3, an oil intake 4 and a piston 5. Accordingly, the cast part which should share the major part of the weight can be restricted to cylinder part 1 while other parts are made in steel. Thus making in light weight is attained.
Patent JP-2000255297-A (JP)
Title: Rear seat
Inventor: SATO MASAHIKO
IPC: B60N2/22
Filed: 1999-03-09
Abstract: PROBLEM TO BE SOLVED: To perform a quick and precise reclining operation by displaying the lock state and unlock state by a lock mechanism and a seat back reclining state exceeding a prescribed state. SOLUTION: At the start point of a prescribed or more reclining state, a lock pin 23 is engaged with a lock hole 21a to allow the lock of a rear seat back 3 by a lock mechanism. When the rear seat back 3 is moved further to the reclining state exceeding the prescribed state, the second cam part 89b of a cam 89 is engaged with a striker 21-side kick part, and the cam 89 is rotated about a rotating shaft. The first cam part 89a is engaged with an engagement flange part 85a on the lower end of an outer cylinder 85 to raise the outer cylinder 85 against the energizing force of a display spring 87. A cover 28 is protruded from the display hole of an escutcheon 24 in interlocking with the rise of the outer cylinder 85. According to this, the reclining state exceeding the prescribed state of the rear seat back 3 can be displayed.
Patent JP-H10245394-A (JP)
Title: New triterpenes and composition containing the same
Inventor: MAGARA TSUNAO
IPC: A61K8/00
Filed: 1997-02-28
Abstract: PROBLEM TO BE SOLVED: To obtain the new subject compound comprising specific triterpenes, having excellent testosterone 5α-reductase activity-inhibiting effects, and useful as a hair-growing agent and a therapeutic agent for pimple in the field of a drug, a quasi drug, a cosmetic, etc. SOLUTION: The objective compound is new triterpenes of the formula (R is a 1-6C alkyl), (e.g. 6-oxo-3α-hydroxyeupha-7,24-dien-26-oic acid), has excellent testosterone 5α-reductase activity-inhibiting effects, and is useful as a therapeutic agent of skin disorder such as a hair-growing agent and a therapeutic agent for pimple in the field of a drug, a quasi drug, a cosmetic, etc. The compound obtained by dipping a dried material of cuachalalate of a plant belonging to Julianiaceae in ethanol to extract the dried material of cuachalalate, drying the ethanol extract under reduced pressure, treating the dried extract with an adsorbing resin, further treating the treated extract with a silica gel column and purifying the treated extract by recrystallization to provide the objective triterpenes.
Patent JP-H11258318-A (JP)
Title: Magnetic field fixing apparatus for nuclear magnetic resonance
Inventor: SHINO HIDEO
IPC: G01R33/389
Filed: 1998-03-13
Abstract: PROBLEM TO BE SOLVED: To obtain a magnetic field fixing apparatus by which a correct NMR signal is obtained when the hold of a correction magnetic field current output is released even when decoupling power at the same frequency as a high frequency for magnetic field fixing is applied. SOLUTION: In a magnetic field fixing apparatus for nuclear magnetic resonance, a high frequency signal for magnetic field correction signal excitation is applied to an NMR signal detecting coil 2, a signal for magnetic field fixing from the NMR signal detecting coil 2 is detected so as to be fed back to a magnetic field correcting coil 5 as an error signal for a magnetic field fixing loop, and, while spin decoupling power is being applied to a sample 1 to be measured, a correction magnetic field current output to the magnetic field correcting coil 5 is held. Setting control means 15, 19 which set and control a spin decoupler and the fixing of a magnetic field are installed in such a way that the direction of an NMR nuclear spin for magnetic field fixation in the release of the hold becomes identical to that in the start of the hold.  Thereby, when the hold of the correction magnetic field current output is released, a correct NMR signal is obtained.