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Patent # Description
US-6,452,312 Piezoelectric laminate body
This invention provides a piezoelectric laminate body that limits, to a minimum, the difference of the quantity of displacement occurring in the boundary between...
US-6,452,228 Silicon carbide semiconductor device
A vertical type power MOSFET made of silicon carbide includes a surface channel layer doped with nitrogen as dopant with a concentration equal to or less than...
US-6,452,219 Insulated gate bipolar transistor and method of fabricating the same
An IGBT having a buffer layer for shortening the turn-off time and for preventing the latching up is improved. The buffer layer of the present invention is not...
US-6,451,246 Molten metal vessel for filtering impurities
A molten metal vessel includes a first chamber for containing molten metal such as molten aluminum therein, a filtration chamber in which impurities contained in...
US-6,451,112 Method and apparatus for fabricating high quality single crystal
A crucible for growing a single crystal therein has a seed crystal attachment portion and a peripheral portion surrounding the seed crystal attachment portion...
US-6,450,957 Respiratory disease monitoring system
A respiration monitoring system monitors the state of disorder of the respiratory system of a sleeping patient based on the detection of respiratory body...
US-6,450,033 Semiconductor physical quantity sensor
A semiconductor angular velocity sensor has a frame-shaped base portion, a detection oscillator connected to the base portion through a detection beam portion,...
US-6,450,031 Semiconductor physical quantity sensor
A semiconductor physical quantity sensor from which a stable sensor output can be obtained even when the usage environment changes. A silicon thin film is...
US-6,450,029 Capacitive physical quantity detection device
A capacitive semiconductor acceleration sensor capable of efficiently performing a self-diagnostic procedure without having to provide any separate electrodes...
US-6,450,025 Micro-heater and airflow sensor using the same
An airflow sensor including a micro-heater having a film structure, which can reduce a warpage of the film structure even when a thick ness of the film structure...
US-6,450,020 Tire air pressure warning device
In a tire air pressure warning device, an outside impact such as hydraulic brake pressure is intentionally applied in a pulsating way to a tire when the vehicle...
US-6,449,981 Air passage controlling system for air conditioning apparatus
An air passage controlling system for selecting an air outlet mode of an air conditioning apparatus includes a driving shaft, an intermediate shaft, a driven...
US-6,449,979 Refrigerant evaporator with refrigerant distribution
An evaporator has plural tubes arranged in parallel with each other in a width direction perpendicular to an air flowing direction. The tubes are further...
US-6,449,836 Method for interconnecting printed circuit boards and interconnection structure
In interconnecting printed circuit boards: preparing a first and second printed circuit board is accomplished with the first having an insulating substrate of...
US-6,449,383 Lane mark recognition system and vehicle traveling control system using the same
A lane mark recognition apparatus for a vehicle is provided which recognizes a lane mark printed on a road using an image of a frontal view captured by a CCD...
US-6,449,363 Safety tilt mechanism for portable telephone including a speakerphone
A portable telephone with a speakerphone with a safety mechanism. This portable telephone is prevented from entering speakerphone mode unless the device is...
US-6,448,952 Stereoscopic image display device
A device for displaying a stereoscopic image in which cross-talk is suppressed. A left eye image and a right eye image alternately displayed on a liquid crystal...
US-6,448,762 Rotation-angle-detection device having magnetic sensor fixed to cover with detection direction transverse to...
A rotation-angle-detection device includes a main housing, a resinous cover for covering an opening of the main housing, a permanent magnet disposed at the main...
US-6,448,645 Semiconductor device
A semiconductor device which improves heat radiation performance and realizes size reduction and enables heat to be radiated swiftly from both of the principal...
US-6,448,624 Semiconductor acceleration sensor
A semiconductor sensor chip is provided with a weight portion supported in a frame via beams whereby acceleration up to substantially .+-.1 G can be detected by...
US-6,448,530 Metal mold for molding a honeycomb structure and method of producing the same
A method of producing a metal mold for molding a honeycomb structure, wherein the slit grooves are formed by electric discharge machining that is executed a...
US-6,448,139 Manufacturing method of semiconductor device
A semiconductor substrate has a trench for forming a gate insulation film and a gate electrode therein, or an insulated isolation isolating a semiconductor...
US-6,447,934 Organic electroluminescent panel
An organic electroluminescent panel having two luminescent layers interposed between a pair of electrode layers emits white light or colored light. One...
US-6,447,913 Thermoplastic polyester resin composition
To provide a thermoplastic polyester resin composition which has a very good durability to alkaline solutions for a long period of time. That is, a thermoplastic...
US-6,446,856 Method of welding composite member
A method of welding a hollow member and an insert member to form a composite member including a hollow member and insertion member requiring a high dimensional...
US-6,446,488 Gas concentration measuring apparatus producing current signals as a function of gas concentration
A gas concentration measuring apparatus is provided which may be employed in measuring an air-fuel ratio of mixture sucked into automotive engines. The apparatus...
US-6,445,998 Engine control unit using pulses of different frequencies
In an engine control unit, a pulse interval in a crank signal having a pulse missing portion is measured. On the basis of the measured pulse interval, frequency...
US-6,445,989 Vehicle control apparatus having multiple ECUs loaded with respective control programs
A vehicle control apparatus has multiple electronic control units, A-ECU and B-ECU, connected via a communication line. Control programs of the apparatus is...
US-6,445,565 Capacitive moisture sensor and fabrication method for capacitive moisture sensor
A capacitive moisture sensor is made from an SOI, i.e., silicon-on-insulator, substrate. Two electrodes, between which moisture-sensitive material is interposed,...
US-6,445,335 Method of detecting a radar characteristic, a radar characteristic, detection apparatus, and a recording medium...
A radar wave reflected by a preceding automotive vehicle is received. The distance and the reception level of the received radar wave are repeatedly stored with...
US-6,445,161 Cyclic battery charger using continuous battery discharge
A cyclic battery charger reduces the formation of the ionic barrier in a battery. The battery charger applies a current to the battery for a first period of...
US-6,444,543 Semiconductor sensor device and method of manufacturing the same
Plural semiconductor chips such as acceleration sensor chips formed on the first surface of a substrate are separated into individual pieces by dicing the...
US-6,444,016 Hydrogen storage unit
A hydrogen storage unit is provided with a hydrogen storage container containing a hydrogen absorption material, and a filter portion for eliminating impurities...
US-6,443,712 Hybrid type compressor driven by engine and electric motor
A hybrid type compressor is provided that is drivable by an electric motor and an external driving source. The hybrid type compressor includes a housing and a...
US-6,443,537 Hydraulic actuator for an anti-lock braking system
A cup-shaped diaphragm is inserted into a bore formed in a housing. An inlet opening of the bore is closed by a plug-like wall member. A conduit line extends...
US-6,443,534 Brake system having brake assist feature
A brake system includes first brake assist means arranged in a first brake circuit to increase a first wheel cylinder pressure to a level higher than a master...
US-6,443,502 Leakage restriction device for refrigeration cycle
A leakage restriction device for a refrigeration cycle of a vehicle air conditioner in which refrigerant flows has first and second rubber gaskets. The first and...
US-6,443,023 Starter having improved electromagnetic switch
An electromagnetic switch for controlling an electric power supply to a starting motor is located in the periphery of one side of an output shaft in a radial...
US-6,442,998 Gas concentration measuring apparatus compensating for error component of output signal
A gas concentration measuring apparatus is provided which measures the concentration of two kinds of gas components such as O.sub.2 and NOx contained in exhaust...
US-6,442,406 Airtime usage limiting system
A call time usage system for a portable telephone allows entering call time usage information into the portable telephone. The limits include limits on total...
US-6,442,027 Electronic control unit having connector positioned between two circuit substrates
The electronic control unit controls operation of actuators connected thereto based on sensor signals fed thereto and processed therein. The unit includes a...
US-6,441,713 Discharge lamp apparatus
In a discharge lamp apparatus for a vehicle, it is determined that a grounded condition is present when a lamp voltage is less than a predetermined voltage and a...
US-6,440,189 Air conditioning apparatus with detachable filter
A filter for a vehicle air conditioning apparatus is composed of only a filter medium, and is disposed in a case. A first support member supports a peripheral...
US-6,439,674 Vehicle braking apparatus and vehicle braking method
In attaining a target vehicle braking force corresponding to a pedal depression force, an assigned braking force is obtained by subtracting a minimum braking...
US-6,439,514 Semiconductor device with elements surrounded by trenches
Pch-MOS transistors to which a power supply potential is applied are respectively surrounded by first trenches, and Nch-MOS transistors to which a ground...
US-6,439,484 Fluid injection nozzle
At fuel downstream end of a valve body, there is arranged an injection port plate formed into a thin disc shape. In the injection port plate, there are formed...
US-6,439,184 Valve timing adjusting system of internal combustion engine
An effective range of urging force of an assist spring is between a maximum retarded phase and a predetermined phase of a camshaft, a vane rotor and vanes. The...
US-6,439,183 Valve timing adjusting device
A valve timing adjusting device, in which the housing member including a chain sprocket and a shoe housing, and a vane rotor are relatively rotatable. The inner...
US-6,439,182 Valve timing adjusting device having stopper piston
A restraining hole for restraining a stopper piston is constituted by a straight hole having an axis perpendicular to the direction of a relative rotation of a...
US-6,439,058 Semiconductor sensor
A semiconductor pressure sensor in which a semiconductor sensor element is contained in a package which is made by assembling a first case and a second case, and...
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