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| Number | Title | Issue Date |
| 8143343 | Microphase-separated structure, immobilized microphase-separated structure and wavelength-variable laser oscillator, temperature sensor and light filter using the structure A microphase-separated structure comprising a block copolymer, which contains at least a block chain A consisting of a monomer A as a repeating unit and a block chain B consisting of a monomer B as a repeating unit, and a solvent, wherein the solvent has a temperatu... | 03/27/2012 |
| 8137056 | Impingement cooled structure An impingement cooled structure includes a plurality of shroud members disposed in a circumferential direction to constitute a ring-shaped shroud surrounding a hot gas stream, and a shroud cover mounted on radial outside faces of the shroud members to form a cavity ... | 03/20/2012 |
| 8124284 | Nonaqueous electrolytic solution containing additive for increasing capacity of lithium-ion cell and lithium-ion cell using same Disclosed are an additive for improving charge/discharge characteristics of a lithium-ion cell, a nonaqueous electrolytic solution containing the additive, and a lithium-ion cell using the additive and/or the nonaqueous electrolytic solution. The additive serves as ... | 02/28/2012 |
| 8107061 | Acoustic measurement device and acoustic measurement method In a schlieren optical system, a laser beam is passed through the jet flow and the ambient around the jet flow, and a high speed sampling is performed using a high speed photo sensor while displacing measurement points. The value obtained by sampling represents a re... | 01/31/2012 |
| 8061441 | Autonomous excavating apparatus Disclosed is a novel autonomous excavating apparatus capable of solving conventional problems. The autonomous excavating apparatus comprises an apparatus body including a lower body 101 formed in a cylindrical shape and combined with a conical-shaped lower en... | 11/22/2011 |
| 8030232 | Titanium-containing oxide glass and method for production thereof A titanium-containing oxide glass having a bulky form and substantially having a chemical composition represented by the formula: (M1)1-x(M2)x(Ti1-y1(M3)y1)y2O2 [wherein M1 represents an element selec... | 10/04/2011 |
| 8028541 | Method of producing barium-titanium-based oxide glass using containerless solidification process Disclosed is a method of producing a barium-titanium-based ferroelectric glass using a containerless solidification process, such as an electrostatic levitation process or a gas levitation process, which comprises the steps of levitating a sample 1 of a bariu... | 10/04/2011 |
| 7999177 | Optical thin film for solar cells and method of forming the same Disclosed is an optical thin film for a thin-film solar cell, which is formed directly on a top surface of the thin-film solar cell having a transparent conductive film layer to provide a high infrared emissivity and a lower solar absorptivity to the thin-film solar... | 08/16/2011 |
| 7960300 | Titanium-containing oxide glass and method for production thereof A titanium-containing oxide glass having a bulky form and substantially having a chemical composition represented by the formula: (M1)1-x(M2)x(Ti1-y1(M3)y1)y2Oz [wherein M1 represents an element selec... | 06/14/2011 |
| 7947967 | Method for evaluating a semiconductor substrate A method for evaluating a semiconductor substrate is provided that can evaluate even a thin semiconductor substrate or a substrate with untreated surfaces, can evaluate a large quantity of semiconductor substrates for solar cells in a short time and can be used as i... | 05/24/2011 |
| 7921637 | High bypass-ratio turbofan jet engine To provide a turbofan jet engine which is capable of increasing the bypass ratio without increasing the fan diameter, and of reducing air resistance acting on the engine, a front fan duct that discharges air compressed by a front fan to the atmosphere and an aft fan... | 04/12/2011 |
| 7887287 | Turbofan jet engine To provide a turbofan jet engine for a supersonic aircraft, which enables a supersonic cruise with small additional drag due to engine installation while minimizing the jet noise at takeoff. In the turbofan jet engine, two fans, i.e., a front fan and an aft fan, are... | 02/15/2011 |
| 7881432 | X-ray focusing device Disclosed is an X-ray reflecting device and an X-ray reflecting element constituting the X-ray reflecting device capable of facilitating a reduction in weight and being prepared in a relatively simple manner. The X-ray reflecting element of the present invention com... | 02/01/2011 |
| 7832271 | Gyroscope To provide a compact and high performance gyroscope. A gyroscope (10) comprises an outer frame (11); an inner frame (12) positioned inside the outer frame and supported to be movable in one reciprocating direction; a plurality of proof ma... | 11/16/2010 |
| 7817780 | X-ray focusing device Disclosed is an X-ray reflecting device and an X-ray reflecting element constituting the X-ray reflecting device capable of facilitating a reduction in weight and being prepared in a relatively simple manner. The X-ray reflecting element of the present invention com... | 10/19/2010 |
| 7808525 | Transparent camera calibration tool for camera calibration and calibration method thereof The calibration tool of the present invention is a transparent camera calibration tool in which a plurality of indicator points is spatially distributed and fixed, wherein the indicator points are formed as intersecting points of thin wires extended to the frame by ... | 10/05/2010 |
| 7806369 | Ultrahigh altitude sun-synchronous orbit satellite system An ultrahigh altitude sun-synchronous orbit satellite system having one or plural satellites orbiting the sun such that the satellites revolve around the earth in a substantially circular or elliptic motion at an altitude of several million kilometers from the earth... | 10/05/2010 |
| 7802759 | Aircraft wing, aircraft wing composite material, and method of manufacture thereof To provide an aircraft wing which has both high bending flexibility in the wing chord direction and high capacity to maintain the wing shape in the wing span direction, and to which morphing aircraft technology can be applied in the high-speed regime where aerodynam... | 09/28/2010 |
| 7793093 | Communications state transition monitoring method and communications state transition monitoring device utilizing the same It is an object of the present invention to provide a device for generating analysis object data that allows the simple setting of an intrusion detection policy, and more specifically, to allow policy setting that performs pattern matching with a plurality of signat... | 09/07/2010 |
| 7757991 | Helicopter blade vortex interaction noise reducing method and device In a blade vortex interaction (BVI) noise reduction system for a helicopter a rotor blade, a tab is movable via an actuator from a first position, wherein the tab is within the blade, to a second position, wherein the tab extends outwardly from a trailing edge of th... | 07/20/2010 |
| 7756606 | Method of controlling redundant manipulator A method of controlling a redundant manipulator for assigning one or more redundant joints from a plurality of joints and obtaining the solution to an inverse kinematics problem at high-speed. The joints are arbitrarily classified into redundant joints and non-redun... | 07/13/2010 |
| 7747361 | Method of injecting plurality of spacecraft into different orbits individually In a method for injecting a plurality of spacecraft into different circum-earth or interplanetary orbits individually in a single launch, a plurality of spacecraft coupled to an assist module are injected into an interplanetary orbit having a periodicity synchronous... | 06/29/2010 |
| 7744036 | Method for designing an orbit of a spacecraft A method is disclosed for designing an orbit of a spacecraft which allows the spacecraft to take a small-radius halo orbit near a Lagrange point while avoiding the prohibited zone where the spacecraft may be shadowed or might be prevented from making communication. ... | 06/29/2010 |
| 7703274 | Pintle injector To provide a simple structured and low cost pintle injector capable of uniformly atomizing and mixing fuel and oxidizer, and further improving the combustion efficiency of the combustion reaction in the combustion chamber. A pintle injector part having a first prope... | 04/27/2010 |
| 7641150 | Solid propellant-based space propulsion device Disclosed is a space propulsion device capable of continuous operation using a solid propellant having high density and excellent handleability. The solid propellant-based space propulsion device comprises solid-propellant support means for supporting a solid propel... | 01/05/2010 |
| 7640740 | Stirling engine A high efficient stirling engine with excellent thermal efficiency, which can increase the heating temperature of a high temperature section, is obtained by preventing the heat from being lost in a member connecting the high temperature section and a low temperature... | 01/05/2010 |
| 7623956 | Method and a device for stabilization control of a vehicle traffic volume The present invention provides a method and a device, which is in one hand implemented as a man-machine system in which the operations are shared such that a driver takes in charge of an inter-vehicle distance and speed control, while on the other hand a quantity of... | 11/24/2009 |
| 7621115 | Hall-type electric propulsion The present invention provides a hall-type electric propulsion that exhibits both overheating protection and operational stability, thereby simultaneously solving the problem of waste heat, which worsens with micronization, and the problem of discharge current oscil... | 11/24/2009 |
| 7591586 | Method of temperature measurement and temperature-measuring device using the same A method of precisely measuring temperature of an object without having to setting the emissivity of the object over a wide temperature range from low to high temperature with a single radiation thermometer. The temperature-measuring device of the present invention ... | 09/22/2009 |
| 7576583 | Single-event effect tolerant latch circuit and flip-flop circuit Disclosed are a latch circuit and a flip-flop circuit, which are capable of suppressing occurrence of a single-event effect, and, in the event of a single-event transient (SET), elimination adverse effects thereof on the circuit. The latch circuit comprises a dual-p... | 08/18/2009 |
| 7564163 | Structural vibration damping device Disclosed is a structural vibration damping device, which comprises a piezoelectric element adapted to be mounted on a structure, a shunt circuit inserted between two electrodes of the piezoelectric element, and an electric circuit for selectively opening and closin... | 07/21/2009 |
| 7561067 | Airspeed / wind speed measurement device for aircraft, and display device for same A measurement system for an aircraft having the three-axis components of the airspeed of the aircraft, the three-axis components of the wind speed currently encountered by the aircraft, and the wind speed distribution ahead of the aircraft simultaneously in real tim... | 07/14/2009 |
| 7555893 | Aircraft propulsion system To provide an aircraft propulsion system which can secure the optimum thrust and thrust vector for flight conditions, as well as the optimum sectional area for the engine, and which is highly compatible with the environment. An electrical generator is coupled... | 07/07/2009 |
| 7544245 | Method for producing barium titanium oxide single-crystal piece using containerless processing Disclosed is a method for producing a barium titanium oxide single crystal piece with a given structure using a containerless solidification process, which comprises the steps of preparing a material made of a barium titanium oxide, controlling the material to be in... | 06/09/2009 |
| 7540158 | Multistage turbine with single blade row, and gas turbine using same In order to desirably prevent leakage of a working fluid from the tip clearance to reduce loss of a heat drop of the working fluid, a first corresponding blade of a second stationary blade row, which corresponds to a first reference blade of a first stationary blade... | 06/02/2009 |
| 7531037 | Device and method for forming macromolecule crystal Disclosed is a macromolecule-crystal forming apparatus and method capable of obtaining a macromolecule crystal in a simplified and efficient manner. The device comprises a first container containing a sample of macromolecule, a second container containing a gel acti... | 05/12/2009 |
| 7504850 | Single-event-effect tolerant SOI-based inverter, NAND element, NOR element, semiconductor memory device and data latch circuit Disclosed is an inverter, a NAND element, a NOR element, a memory element and a data latch circuit which exhibit high tolerance to single event effect (SEE). In an SEE tolerant inverter (3I), each of a p-channel MOS transistor and a n-channel MOS transistor w... | 03/17/2009 |
| 7500837 | Small size gear pump A small size gear pump having a disc-shaped case, inside which a flat cylindrical motor rotor chamber, a bearing chamber and a flat cylindrical gear chamber are arranged eccentrically from the bearing chamber and the rotor chamber, which are piled sequentially along... | 03/10/2009 |
| 7480548 | High-altitude capable wide velocity range flight velocity vector measurement probe and measurement system It is an object of the present invention to solve the problem of a drop in precision in conventional systems using a square pyramid type five-hole probe due to the drop in atmospheric pressure in high altitude ranges, and to provide a wide velocity range flight velo... | 01/20/2009 |
| 7434401 | Fuel/air premixer for gas turbine combustor A fuel/air premixer for use in a gas turbine improves the atomization performance and mixing performance of the fuel by guiding an air so as to flow in an outward radial direction. A flow-deflecting tubular body having an annular cross section is disposed on the ins... | 10/14/2008 |
