Patent application number | Description | Published |
20080277696 | Lateral Junction Field Effect Transistor and Method of Manufacturing The Same - A lateral junction field effect transistor includes a first gate electrode layer arranged in a third semiconductor layer between source/drain region layers, having a lower surface extending on the second semiconductor layer, and doped with p-type impurities more heavily than the second semiconductor layer, and a second gate electrode layer arranged in a fifth semiconductor layer between the source/drain region layers, having a lower surface extending on a fourth semiconductor layer, having substantially the same concentration of p-type impurities as the first gate electrode layer, and having the same potential as the first gate electrode layer. Thereby, the lateral junction field effect transistor has a structure, which can reduce an on-resistance while maintaining good breakdown voltage properties. | 11-13-2008 |
20090315082 | LATERAL JUNCTION FIELD EFFECT TRANSISTOR AND METHOD OF MANUFACTURING THE SAME - A lateral junction field effect transistor includes a first gate electrode layer arranged in a third semiconductor layer between source/drain region layers, having a lower surface extending on the second semiconductor layer, and doped with p-type impurities more heavily than the second semiconductor layer, and a second gate electrode layer arranged in a fifth semiconductor layer between the source/drain region layers, having a lower surface extending on a fourth semiconductor layer, having substantially the same concentration of p-type impurities as the first gate electrode layer, and having the same potential as the first gate electrode layer. Thereby, the lateral junction field effect transistor has a structure, which can reduce an on-resistance while maintaining good breakdown voltage properties. | 12-24-2009 |
20140373899 | CONCENTRATOR PHOTOVOLTAIC SYSTEM, METHOD FOR DETECTING TRACKING DEVIATION, METHOD FOR CORRECTING TRACKING DEVIATION, CONTROL DEVICE, PROGRAM FOR DETECTING TRACKING DEVIATION, AND, PROGRAM FOR CORRECTING TRACKING DEVIATION - Provided is a concentrator photovoltaic system including: a concentrator photovoltaic panel; a driving device configured to cause the concentrator photovoltaic panel to perform operation of tracking the sun; and a control device configured to detect a change pattern repeatedly occurring in temporal change in generated power of the concentrator photovoltaic panel, and configured to compare the detected change pattern with a form characteristic to deviation in an azimuth and a form characteristic to deviation in an elevation, to detect the presence/absence of deviation in tracking. | 12-25-2014 |
20150027510 | CONCENTRATOR PHOTOVOLTAIC MODULE, CONCENTRATOR PHOTOVOLTAIC PANEL, AND FLEXIBLE PRINTED CIRCUIT FOR CONCENTRATOR PHOTOVOLTAIC MODULE - A concentrator photovoltaic module including: a flexible printed circuit provided in contact with a bottom surface of a housing; and a primary concentrating portion formed by a plurality of lens elements being arranged, each lens element concentrating sunlight, wherein the flexible printed circuit includes: an insulating base material and a conductive pattern; a plurality of power generating elements provided on the pattern, so as to correspond to the lens elements, respectively; a cover lay as a covering layer having insulating property and a low water absorption not higher than a predetermined value, the cover lay covering and sealing a conductive portion including the pattern on the insulating base material; and an adhesive layer having insulating property and a low water absorption not higher than the predetermined value, the adhesive layer bonding the insulating base material and the covering layer together. | 01-29-2015 |
Patent application number | Description | Published |
20080306287 | Process for Preparing Tetrahydropyran-4-Carboxylic Acid Compound - The present invention is to provide a process for preparing tetrahydropyran-4-carboxylic acid represented by the formula (1): | 12-11-2008 |
20090171083 | PROCESS FOR PRODUCING 4-AMINOQUINAZOLINE COMPOUND - A 4-aminoquinazoline derivative can be obtained by the steps of reacting quinazolin-4-one or its derivative with a chlorinating agent in a first organic solvent in the presence of an organic base, and subsequently reacting the reaction product with an amine compound represented by the formula R | 07-02-2009 |
20090209674 | RESIN COMPOSITION FOR STEREOLITHOGRAPHY - Provided is a resin composition for stereolithography that absorbs little water and moisture over time in uncured state, maintains a low moisture absorption rate even under high humidity, and has high curing sensitivity, from which a stereolithography product excellent in the properties, such as dimensional accuracy, mechanical properties, and dimensional stability can be smoothly produced for reduced light irradiation time. | 08-20-2009 |
20090253909 | PROCESS FOR PREPARATION OF 6, 7-BIS (2-METHOXYETHOXY) QUINAZOLIN-4-ONE - 6,7-Bis(2-methoxyethoxy)quinazolin-4-one of formula (5) useful in synthesis of an anti-cancer drug can be prepared by a reaction of ethyl 2-amino-4,5-bis(2-methoxyethoxy)benzoate of formula (4) with an orthoformic acid in the presence of an ammonium acetate: | 10-08-2009 |
20100174098 | 3-ETHYLOXETHANE COMPOUND HAVING HYDROXYL GROUP AND METHOD FOR PRODUCING THE SAME - Disclosed is a 3-ethyloxethane compound having a hydroxyl group which is represented by the following general formula (1). (1) (In the formula, A represents an alkylene group having 3-5 carbon atoms which may have an ether bond or an alkylene group having 3-5 carbon atoms which may be substituted by a hydroxyl group.) The 3-ethyloxethane compound having a hydroxyl group can be produced by reacting a 3-ethyloxethane compound represented by the general formula (2) below, a diol compound represented by the general formula (3) below and a base. (2) (In the formula, X represents a leaving group.) (3) (In the formula, A is as defined above.) | 07-08-2010 |
Patent application number | Description | Published |
20130023630 | PROCESS FOR PREPARING POLYCARBONATE DIOL DIACRYLATE AND HIGH-PURITY POLYCARBONATE DIOL DIACRYLATE - This is to provide a process for preparing a polycarbonate diol diacrylate from a polycarbonate diol and a vinyl acrylate compound without using a protonic acid or a metal component. | 01-24-2013 |
20140066571 | POLYIMIDE PRECURSOR AND POLYIMIDE - A polyimide precursor comprising a repeating unit represented by the following chemical formula (1): | 03-06-2014 |
20140309461 | METHOD FOR PRODUCING HIGH-PURITY 1,5-PENTANEDIOL - The present invention has an object to provide a method for efficiently producing high-purity 1,5-pentanediol by reacting tetrahydrofurfuryl alcohol with hydrogen. This manufacturing method for producing high-purity 1,5-pentanediol comprises: step (I): a step of obtaining a crude reaction product by a hydrogenolysis reaction of tetrahydrofurfuryl alcohol with hydrogen carried out in the presence of a copper-containing catalyst with reaction temperature of 200 to 350° C. and reaction pressure of 1 to 40 MPa until conversion rate of tetrahydrofurfuryl alcohol reaches 80% or less; step (II): a step of separating tetrahydrofurfuryl alcohol and crude 1,5-pentanediol (A) from the crude reaction product obtained in the step (I), and then, supplying recovered tetrahydrofurfuryl alcohol as a raw material for the step (I); and step (III): a step of obtaining the high-purity 1,5-pentanediol by distillation of the crude 1,5-pentanediol (A) obtained in the step (II). | 10-16-2014 |
20140316167 | METHOD FOR PRODUCING ALKANEDIOL - Provided by the present invention is a method for producing an alkanediol, such as 1,5-pentanediol, with a high reaction selectivity thereto by reacting a cyclic ether group-containing methanol such as tetrahydrofurfuryl alcohol by using a non-chromium catalyst not containing chromium atom. More specifically, the method is to produce an alkanediol having hydroxy groups at both molecular terminals shown by the formula (2), includes reacting a cyclic ether group-containing methanol shown by the formula (1) with hydrogen in the presence of a metal catalyst which contains copper atom, at least one co-existing atom selected from the group consisting of elements of the third to the sixth periods of the II to XIV groups (excluding chromium) in the periodical table and lanthanide elements. | 10-23-2014 |
20160032056 | POLYIMIDE PRECURSOR AND POLYIMIDE - The present invention relates to a polyimide precursor comprising a repeating unit represented by the following chemical formula (1): | 02-04-2016 |
Patent application number | Description | Published |
20100056708 | EPDM SEALING COMPOUND AND LID COATED WITH THE SAME - A sealing compound comprising an aqueous dispersion which contains a rubber component of an ethylene propylene nonconjugated diene copolymer rubber as a chief component, a vulcanizing agent, a vulcanization accelerator and a filler. The sealing compound has excellent resistance against the contents that could not be handled with the metal container sealing compositions comprising the aqueous dispersion solution of the NBR and SBR, and exhibits excellent sealing performance and durability even when used for such contents. The sealing compound can be preferably used for the double-seam sealing being applied to the lid so as to be interposed between the lid and the container to seal the content by double-seaming the container with the lid. | 03-04-2010 |
20150129453 | SURFACE TREATMENT AGENT COMPOSITION, METHOD FOR PRODUCING SURFACE-TREATED STEEL SHEET, SURFACE-TREATED STEEL-SHEET, SURFACE-TREATED STEEL SHEET WITH ORGANIC COATING, CAN LID, CAN BODY, AND SEAMLESS CAN - A surface treatment agent composition for non-chromium steel sheets for removing iron ions without reducing the amount of aluminum ions when subjecting the steel sheet to surface treatment by means of cathodic electrolysis using a surface treatment agent containing aluminum ions as the main component; and a method for producing a surface-treated steel sheet using the composition. A surface-treated steel sheet exhibiting high corrosion resistance, a surface-treated steel sheet with an organic coating, and a can lid, can body and seamless can produced using the surface-treated steel sheets. A surface treatment agent composition for steel sheets contains aluminum ions, fluorine ions and polycarboxylic acid and is used as the surface treatment bath used for forming a surface treatment coating film on the surface of the steel sheet by cathodic electrolysis. | 05-14-2015 |
20160002809 | METHOD OF PRODUCING SURFACE-TREATED STEEL SHEET - A method of producing a surface-treated steel sheet is provided. The method has a step of performing electrolytic treatment thereby to form a layer including a metal-oxygen compound on a surface of a steel sheet. The electrolytic treatment is performed so that the steel sheet is continuously fed into electrolytic treatment baths each including a treatment liquid and an electrode. The treatment liquid contains metal ions. The method is characterized in that: rolls provided for each of the electrolytic treatment baths (a roll for feeding the steel sheet into the electrolytic treatment bath and a roll for feeding the steel sheet out of the electrolytic treatment bath) comprise an energized roll that is electrically connected to a power source for flowing a direct current through the steel sheet and a non-energized roll that is not connected to a power source; and the energized roll is arranged such that, once the metal-oxygen compound has been formed by electrolytic treatment on a surface of the steel sheet to be in contact with the rolls, the metal-oxygen compound and the energized roll are not in contact with each other so as not to generate an arc spot. | 01-07-2016 |
Patent application number | Description | Published |
20140145696 | Current Control Semiconductor Device and Control Device Using the Same - A current control semiconductor device that can detect a current with high precision within an IC of one chip by dynamically correcting a variation in a gain a and an offset b, and a control device using the semiconductor device are provided. A transistor | 05-29-2014 |
20140362933 | ELECTRONIC CONTROL DEVICE - By reducing the serial transmission amount of pulses between a driving IC and a control IC, the transmission times of various commands other than the transmission time of the pulses can be secured, so that the improvement of reliability and high performance of the entirety of an electronic control device can be realized. The serial transmission between the driving IC and the control IC is started at the time when the edges of the pulses are detected. | 12-11-2014 |
20150377176 | Drive Device for Fuel Injection Device - An object of this disclosure is to provide a fuel injection device that can reliably detect an operation timing of a valve body, that is, a valve opening timing with high accuracy. The current of an electromagnetic valve reaches I | 12-31-2015 |
20160076498 | Electromagnetic Valve Control Unit and Internal Combustion Engine Control Device Using Same - Provided are an electromagnetic valve control unit and a fuel injection control device using the same that can precisely detect a change of an operating state of an electromagnetic valve, that is, a valve opening time or a valve closing time of the electromagnetic valve, precisely correct a drive voltage or a drive current applied to the electromagnetic valve, and appropriately control opening/closing of the electromagnetic valve, with a simple configuration. In an electromagnetic valve control unit for controlling opening/closing of an electromagnetic valve by a drive voltage and a drive current to be applied, the drive voltage and the drive current applied to the electromagnetic valve are corrected on the basis of a detection time of an inflection point from time series data of the drive voltage and the drive current when the electromagnetic valve is opened/closed. | 03-17-2016 |
Patent application number | Description | Published |
20090024777 | ARBITER AND ARBITRATION METHOD OF MULTIPLE DATA ACCESSES - There is provided a technique which reduces an average processing time of low-priority accesses with suppressing an average delay increase of a high-priority access processing even in a case where high-priority access request and a low-request access request are simultaneously generated to a shared access processing unit and high-priority accesses are continuously generated. And, there is provided an access arbitration equipment comprising: an issued access request retention unit; a first interval determination circuit; and a second interval determination circuit. In a case where the first interval determination circuit determines that an interval is generated between an issued access processing and a most prior access processing and a second interval determination circuit determines that no interval is generated between the issued access processing and a second-prior access request, the priority order of the most prior access request and the second-prior access request is changed. | 01-22-2009 |
20100327979 | Current Detection Apparatus and Control System Using the Same - A highly accurate current detection apparatus is realized in a one-chip LSI. An end of a current detector is connected to an analog power supply (VACC) or a virtual analog ground potential (VAG) of a voltage amplifier and an A/D converter, and a predetermined voltage is supplied between the voltage amplifier and the virtual ground potential (VAG) by a power supply. | 12-30-2010 |
20110049988 | Control System and Semiconductor Device Used Therein - The present invention aims to provide a control system which is capable of building high-precision current detecting means in a single-chip LSI and can be realized at a lower cost, and a semiconductor device used in the control system. Drive circuits are provided inside the same semiconductor chip. The drive circuits are equipped with: current detecting shunt resistors each of which is provided in each of the drive circuits and detects a current flowing through a load, the current detecting shunt resistors being provided within a semiconductor chip by the same process; a dummy resistor provided within the semiconductor chip by the same process as the current detecting shunt resistors; and a calibration reference externally attached to the semiconductor chip and connected to the dummy resistor. A correcting means corrects the values of currents that flow through the current detecting shunt resistors, using the dummy resistor and the calibration reference. | 03-03-2011 |
20110101959 | CURRENT-CONTROLLED SEMICONDUCTOR DEVICE AND CONTROL UNIT USING THE SAME - The present invention aims to provide a current-controlled semiconductor device which corrects fluctuations of both gain and offset of a current detection circuit to thereby enable high-accuracy current detection within a single-chip IC, and a control unit using the same. | 05-05-2011 |
20120173850 | INFORMATION PROCESSING APPARATUS - A high-performance information processing technique permitting updating of an instruction buffer ready for effective prefetching to branch instructions and returning to the subroutine with a small volume of hardware is to be provided at low cost. It is an information processing apparatus equipped with a CPU, a memory, prefetch means and the like, wherein a prefetch address generator unit in the prefetch means decodes a branching series of instructions including at least one branched address calculating instruction and branching instruction to a branched address out of a current instruction buffer storing the series of instructions currently accessed by the CPU, and thereby looks ahead to the branching destination address. The information processing apparatus further comprises a RTS instruction buffer for storing a series of instructions of the return destinations of RTS instructions, and series of instructions stored in the current instruction buffer are saved into the RTS instruction buffer. | 07-05-2012 |
20130057245 | Current Regulator - A current regulator has a current regulating semiconductor device and a microcontroller which outputs a PWM pulse for driving a load to the current regulating semiconductor device and receives outputs of a high-side current detection circuit and a low-side current detection circuit from the current regulating semiconductor device. An output mixer of the current regulating semiconductor device switches, in synchronization with the PWM pulse, between the output of the high-side current detection circuit and the output of the low-side current detection circuit on one signal line to output the output to the microcontroller. | 03-07-2013 |
20130105913 | Current Control Semiconductor Element and Control Device Using the Same | 05-02-2013 |
20130147453 | Current Control Semiconductor Element and Control Device Using the Same - This invention provides a current control semiconductor element that can detect a current with high accuracy in a single IC chip by dynamically correcting changes in a gain a and an offset b, and a control device that uses the current control semiconductor element. | 06-13-2013 |
20130320948 | Current Control Device - A current control device capable of performing widely applicable failure detection without a motor rotation speed sensor is provided. A current control semiconductor element includes, on a same semiconductor chip, a transistor that drives load, a current detection circuit that detects current of the load, a compensator that calculates an on-duty of the transistor from a current command value and a current value output from the current detection circuit, and a PWM timer that generates a pulse turning on the transistor on the basis of the on-duty. A microcontroller sends the current command value to the current control semiconductor element, receives the current value output from the current detection circuit and the on-duty output from the compensator from the current control semiconductor element, and detects failure of the current control semiconductor element on the basis of the received current value and on-duty. | 12-05-2013 |