Funaba
Makoto Funaba, Yamato-Shi JP
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20150352764 | INJECTION DEVICE AND MOLDING APPARATUS - An injection device has an injection cylinder device which is connected to a plunger and a driving device which is capable of driving a plunger to move forward through the injection cylinder device. A cylinder part of the injection cylinder device has a front cylinder member which accommodates an injection piston so that it can slide in a front-back direction, is opened at the rear end, and is movable in the front-back direction. Further, the cylinder part has a back cylinder member which communicates with the rear end of the front cylinder member and is provided in a fixed manner. The driving device can drive the front cylinder member in the front-back direction. | 12-10-2015 |
Masashi Funaba, Hokkaido JP
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20110045300 | GRAPHITE COMPLEX AND MANUFACTURING METHOD THEREOF - A graphite complex has a pyrolytic graphite sheet and a graphite layer. The pyrolytic graphite sheet is made by firing a polymer film. The graphite layer contains graphite powder as the main ingredient and is directly joined to the pyrolytic graphite sheet. | 02-24-2011 |
20110265980 | GRAPHITE SHEET AND HEAT TRANSFER STRUCTURE USING SAME - A graphite sheet preventing leakage of a heat radiating member when a fluid heat radiating member such as grease is used and improving heat radiation performance is provided. A graphite sheet includes a first main surface and a second main surface opposite to the first main surface and has a large anisotropic thermal conductivity in a main surface direction. The graphite sheet includes a first concave portion provided on the first main surface and having a first bottom surface, a second concave portion provided on the second main surface and having a second bottom surface, a thin film portion formed in a region in which the first bottom surface and the second bottom surface are overlapped with each other, and a connecting hole penetrating the thin film portion and allowing the first concave portion and the second concave portion to communicate with each other. | 11-03-2011 |
Seiji Funaba, Sagamihara JP
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20090245424 | SEMICONDUCTOR DEVICE, MEMORY DEVICE AND MEMORY MODULE HAVING DIGITAL INTERFACE - An object of the present invention is to reduce jitter dependent on data patterns by an interface receiver. Another object of the present invention is to provide an LSI capable of automatically adjusting a delay time for jitter reduction so as to be able to control its setting for each device. Since the jitter dependent on the data patterns can be expected according to how the previous state is being placed, the state of data received by the receiver is held, and the timing provided to fetch input data is adjusted according to the held state and the input data. As a control mechanism lying in the receiver, for determining a delay time dependent on the form of mounting, a driver transmits and receives pulse data set at one-cycle intervals and pulse data set at two-cycle intervals as test patterns. The receiver has an automatic control mechanism for determining a delay time optimal to a system from the difference between a rising time of each of pulses different in pulse width and its falling time. | 10-01-2009 |
Seiji Funaba, Kokubunji JP
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20090115442 | Semiconductor integrated circuit and electronic device - A dummy wiring | 05-07-2009 |
Seiji Funaba, Tokyo JP
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20080203554 | SEMICONDUCTOR INTEGRATED CIRCUIT DEVICE - A COC DRAM including a plurality of stacked DRAM chips is mounted on a motherboard by using an interposer. The interposer includes a Si unit and a PCB. The Si unit includes a Si substrate and an insulating-layer unit in which wiring is installed. The PCB includes a reference plane for the wiring in the Si unit. The wiring topology between a chip set and the COC DRAM is the same for every signal. Accordingly, a memory system enabling a high-speed operation, low power consumption, and large capacity is provided. | 08-28-2008 |
Seiji Funaba, Ibaraki JP
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20120020136 | Electric Power Conversion System - A power conversion system according to the present invention includes: an inverter circuit unit that converts a direct current power supplied from a direct current source into an alternating current power, the direct current power being supplied to the inverter circuit through a contactor that conducts and interrupts the direct current; a capacitor that smoothes the direct current power; a discharge circuit unit that is connected to the capacitor in parallel, and that includes a discharge resistor for discharging a charge stored in the capacitor and a switching element for the discharge resistor, being connected in series to the discharge resistor; a voltage detection circuit unit that detects voltage between both terminals of the capacitor; a first discharge control circuit that includes a first microcomputer, and that outputs a control signal to control switching of the switching element for discharging; and a second discharge control circuit that outputs an interruption signal to interrupt the switching element for the discharge resistor. | 01-26-2012 |
Seiji Funaba, Hitachinaka JP
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20130033914 | Power Conversion Device - A power conversion device ( | 02-07-2013 |
20130051099 | Inverter Device - An inverter device includes: an inverter circuit which includes an upper-arm-use first switching element ( | 02-28-2013 |
20130088279 | Power Converter - The present invention provides a power converter including a power semiconductor device, a driver circuit section that outputs a driving signal for driving the power semiconductor device, a buffer circuit section that includes a PNP transistor and an NPN transistor and that outputs a gate voltage for driving the power semiconductor device, a first delay circuit section that receives the driving signal and that generates a first delay signal on the basis of the received driving signal, a first MOSFET that has a drain electrode connected with the output of the buffer circuit section and that is driven on the basis of the first delay signal. A current flows through the buffer circuit section and the first MOSFET on the basis of the received driving signal, the first delay circuit section outputs the first delay signal after the buffer circuit section exits the transient state and turns on, and the gate voltage is applied to the power semiconductor device from the buffer circuit section to turn the power semiconductor device on by the switching operation of the first MOSFET based on the first delay signal. | 04-11-2013 |
20130328514 | Power Inverter - An electric power converter is provided with a plurality of power-conversion elements; a first control circuit that outputs a first control signal; an electricity storage circuit; a second control circuit that outputs a second control signal when the direct-current power source that supplies electrical power to the first control circuit is not normal; and a drive circuit that outputs drive signals for driving the plurality of power-conversion elements. Each of the power-conversion elements is either a power-conversion element of the upper arm connected to the high-voltage side or a conversion element of the lower arm connected to the low-voltage side. In cases when the voltage of the electricity storage circuit is at a higher predetermined first voltage value, the second control circuit outputs a second control signal so that all the power-conversion elements of the upper arm or the lower arm are turned on and the others are turned off. | 12-12-2013 |
20140232181 | Automotive Vehicle Inverter Control Apparatus - In an automotive vehicle inverter control apparatus of the related art, a limp-home mode is provided, but six power sources including transformers are required for respective gate circuits of the respective IGBT drive circuits. Therefore, a reduction in size and a reduction in weight cannot be achieved, and a demand of the improvement of mountability or the improvement of fuel consumption as described above cannot be satisfied. A power semiconductor module and the drive circuit include three unit semiconductor modules and three unit drive circuits corresponding to a three-phase alternating current, and power supply units of the unit drive circuits are provided independently, whereby the limp-home mode is provided and in addition, the number of power supply units may be reduced, so that the reduction in size and the reduction in weight are achieved. | 08-21-2014 |
Seiji Funaba, Hitachinaka-Shi JP
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20110031939 | Discharge Circuit for Smoothing Capacitor of DC Power Supply - A discharge circuit for a DC power supply smoothing capacitor that is used in a power conversion device that supplies DC power via a switch to the DC power supply smoothing capacitor and an inverter, includes; a resistor that discharges charge in the capacitor; a switch connected in series with the resistor, that either passes or intercepts discharge current flowing from the capacitor to the resistor; a measurement circuit that measures a terminal voltage of the capacitor; and a control circuit that controls continuity and discontinuity of the switch; wherein the control circuit, after having made the switch continuous and starting discharge of the capacitor by the resistor, if a terminal voltage of the capacitor as measured by the measurement circuit exceeds a voltage decrease characteristic set in advance, makes the switch discontinuous and stops discharge by the resistor. | 02-10-2011 |
20130214745 | DISCHARGE CIRCUIT FOR SMOOTHING CAPACITOR OF DC POWER SUPPLY - A discharge circuit for a DC power supply smoothing capacitor that is used in a power conversion device that supplies DC power via a switch to the DC power supply smoothing capacitor and an inverter, includes; a resistor that discharges charge in the capacitor; a switch connected in series with the resistor, that either passes or intercepts discharge current flowing from the capacitor to the resistor; a measurement circuit that measures a terminal voltage of the capacitor; and a control circuit that controls continuity and discontinuity of the switch; wherein the control circuit, after having made the switch continuous and starting discharge of the capacitor by the resistor, if a terminal voltage of the capacitor as measured by the measurement circuit exceeds a voltage decrease characteristic set in advance, makes the switch discontinuous and stops discharge by the resistor. | 08-22-2013 |
20140191693 | Power Converter - A power converter includes an inverter, a contactor for connecting a battery to the inverter in order to supply DC power from the battery to the inverter and for disconnecting the battery from the inverter in order to stop an operation to supply the DC power from the battery to the inverter, a smoothing capacitor connected in parallel to the battery through the contactor, a discharge circuit that is provided with a discharge resistor and a switching device connected in series to the discharge resistor and is connected in parallel to the smoothing capacitor to discharge electric charge from the smoothing capacitor, a voltage measurement circuit, a voltage-dividing circuit for dividing the voltage across the terminals of the smoothing capacitor to generate a partial voltage to be input to the voltage measurement circuit and a control circuit of the switching device. | 07-10-2014 |
Taku Funaba, Kanagawa JP
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20140150372 | STEEL PIPE STIFFENING BRACE MEMBER AND MANUFACTURING METHOD THEREOF - A method of manufacturing a steel pipe stiffening brace member which has a shaft constituted of a main shaft member and an auxiliary shaft member and a stiffening steel pipe obtained by connecting side edges of four flat steels surrounding the shaft to each other. In the stiffening steel pipe, inside nook portions facing a side edge of the main shaft member are formed in stiffening members | 06-05-2014 |
Yuji Funaba, Tokyo JP
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20120253655 | NAVIGATION APPARATUS, VEHICLE INFORMATION DISPLAY APPARATUS, AND VEHICLE INFORMATION DISPLAY SYSTEM - A vehicle information display system according to the present invention includes a navigation apparatus and a vehicle information display apparatus. The navigation apparatus includes: a storage section mounted on an electric vehicle, for storing map information and a destination; an own vehicle position information acquisition section for obtaining own vehicle position information; a remaining power amount acquisition section for obtaining a remaining power amount; a travel cost calculation section for calculating a power cost based on the map information, the destination, and the own vehicle position information; a travelable range calculation section for calculating a travelable range based on the power cost and the remaining power amount; and a communication section for transmitting vehicle information including the travelable range to the outside. The vehicle information display apparatus includes: a communication section installed outside the electric vehicle, for receiving the vehicle information; and a control section for outputting the vehicle information. | 10-04-2012 |
20150336467 | NAVIGATION APPARATUS, VEHICLE INFORMATION DISPLAY APPARATUS, AND VEHICLE INFORMATION DISPLAY SYSTEM - An object of the present invention is to provide a navigation apparatus, a vehicle information display apparatus, and a vehicle information display system, that enables a travelable range to be recognized even while a user is not riding on an electric vehicle. | 11-26-2015 |