U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Celebrity Inventors

Actor Marlon Brando has four patents, all named "Drumhead tensioning device and method."

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Attorney: Arent Fox, PLLC.


Number of patents: 121
Last date: July 24, 2007

1        
NumberTitleIssue Date
D547239Automobile
07/24/2007
7208242Solid polymer type fuel cell
The present invention provides a polymer electrolyte fuel cell, which is inexpensive and has an excellent efficiency of generating electric power, by using a material alternative to a perfluoroalkylene sulfonic acid polymer. The polymer electrolyte fuel cell compris...
04/24/2007
7203115Semiconductor memory and method for operating the same
A data additional circuit adds plural types of expectation data to be read from a refresh block to data read from other blocks, respectively, to generate plural read data strings. An error correction circuit detects errors for each read data string, and sets the mos...
04/10/2007
7154799Semiconductor memory with single cell and twin cell refreshing
Flags are formed to respectively correspond to memory cell groups each including volatile memory cells. Each flag indicates as a set state that the memory cells store data in a second memory mode. In a changing operation of changing from a first memory mode in which...
12/26/2006
7117963Apparatus for controlling a driving force of an electric vehicle
In a hybrid vehicle 1 in which a transmission 14 is connected via a first clutch 13 to an internal combustion engine 11 and a first motor 12 that are coupled in series to front wheels Wf, a second motor 16 which is a three-p...
10/10/2006
7110280Semiconductor memory device
In a semiconductor memory device including memory cells respective having a ferroelectric capacitor, and are provided at intersection portions of sets of a plurality of word lines and plate lines which is adjacent thereto, with bit lines, clamp circuits are respecti...
09/19/2006
7110279Memory
A memory capable of suppressing disturbance is provided. This memory activates each of a selected word line and a bit line corresponding to unrewritten storage means while keeping potential difference therebetween at a level not more than a prescribed value and diff...
09/19/2006
7108087Power transmitting apparatus for hybrid vehicle
The present invention provides a power transmitting apparatus that uses a small configuration to efficiently carry out various forms of propulsions such as a speed change propulsion and even an EV propulsion (electric propulsion) including a series type EV propulsio...
09/19/2006
7110615Image processing method, program of the same, and image processing apparatus for searching images and producing realistic images
An image processing method by which image information of a variety of artifacts can be easily searched through in accordance with attributes of the artifacts and the image information combined to easily produce a realistic image close to reality, comprising the step...
09/19/2006
7106114Delay time adjusting method of delaying a phase of an output signal until a phase difference between an input signal and the output signal becomes an integral number of periods other than zero
A delay time adjusting method adjusts a delay time of an input signal so that a phase of the input signal and a phase of an output signal match each other. The delay time adjusting method comprises the step of delaying the phase of the output signal until a phase di...
09/12/2006
7104231Valve train of internal combustion engine
The valve train V of an internal combustion engine E includes; a rocker arm 50, 60 for opening and closing the suction valve 13; a holding body 70 for holding the spring 77 to generate the bias force F3 for biasing the rocker arm
09/12/2006
7097567Constant velocity universal joint
A constant velocity universal joint has an outer joint member having eight curved track grooves axially extending along an inner circumferential surface, an inner joint member having eight curved track grooves axially extending along an outer circumferential surface...
08/29/2006
7096861Control system for internal combustion engine
A control system for an internal combustion engine is disclosed. The engine has an exhaust gas recirculation device which includes an exhaust gas recirculation passage for recirculating exhaust gases from the engine to an intake system of the engine, and an exhaust ...
08/29/2006
7094492Electrode for polymer electrolyte fuel cell
A polymer electrolyte fuel cell has a catalytic layer comprising a material and a polymer electrolyte, and the catalytic layer contains a fibrous material such as carbon whiskers or hydrophilic fibers. The polymer electrolyte fuel cell in the present invention havin...
08/22/2006
7090738Method of manufacturing membrane electrode assembly
A membrane electrode assembly having excellent electric power generating capability is produced from a base coated with first polymer electrolytic solution to form an undried first polymer electrolytic membrane. Undried first polymer electrolytic membrane is coated ...
08/15/2006
7088623Non-volatile memory technology suitable for flash and byte operation application
The present invention provides a non-volatile memory cell structure suitable for the flash memory cell and EEPROM cell (electrically erasable programmable read only memory cell) to perform the byte programming and byte erasing operations. In the programming operatio...
08/08/2006
7085085Disk driving apparatus and method for operating disk driving apparatus
A first delay circuit receives a sampling clock obtained by multiplying detected frequency of reference clock patterns and outputs delay clocks from first delay stages, respectively. Recording frequency of the sampling clock is not obtained using the reference clock...
08/01/2006
7084052Semiconductor device, display device and method of fabricating the same
A method of fabricating a thin film transistor by setting the temperature of a heat treatment for crystallizing an active layer which is formed on a substrate at a level not deforming the substrate and activating an impurity layer in a heat treatment method differen...
08/01/2006
7085941Clock control apparatus and method, for a memory controller, that processes a block access into single continuous macro access while minimizing power consumption
A clock control apparatus for a memory controller comprises an interface unit which processes a block access to a plurality of banks of an SDRAM as a single continuous macro access in order to perform arbitration of the macro access, the block access externally supp...
08/01/2006
7080442Manufacturing method of acoustic sensor
The present invention relates to a semiconductor electret condenser microphone capable of being reduced in size and including an acoustic sensor 100 and a case 200 for accommodating the acoustic sensor 100, the acoustic sensor 100 has a s...
07/25/2006
7081798Variable frequency synthesizer comprising a sigma-delta modulator
A variable frequency synthesizer comprising a sigma-delta modulator is provided. Such synthesizers provide an exact average frequency whereas the instantaneous frequencies varies. The sigma-delta modulator comprises a plurality of accumulator stages being connected ...
07/25/2006
7077655Calculation training tool, and calculation training system
The calculation training tool comprises: a substrate; a plurality of bead-shaped members mounted movably on the substrate; and scales displayed on the substrate surface together with numerals for giving answers when an addition and a subtraction are made by moving t...
07/18/2006
7073476Cylinder block
In a cylinder block, at least one member disposed around a bore is made of a metal matrix composite including a ceramic compact having a three-dimensional mesh structure comprised of a plurality of spherical cells and a plurality of communicating pores for allowing ...
07/11/2006
7071675Band distribution inspecting device and band distribution inspecting method
An object of this invention is to provide a band distribution inspecting device and band distribution inspecting method capable of carrying out inspection on whether or not a scattered oscillation signal oscillated containing a frequency variation from the fundament...
07/04/2006
7071015Semiconductor light emitting device and method for producing the same
A light emitting device employing gallium nitride type compound semiconductor which generates no crystal defect, dislocation and can be separated easily to chips by cleavage and a method for producing the same are provided. As a substrate on which gallium nitride ty...
07/04/2006
7068494Electric double layer capacitor
An electric double layer capacitor has high static capacitance, and superior durability, and the amount of gas generated by dissociating solvent can be reduced. In an electric double layer capacitor including an anode and a cathode containing active carbon, a separa...
06/27/2006
7069094Computer-aided product design system
In a product design system having a computer and an interactive program stored in the computer for aiding the engineer to design a product and including product design process for allowing the engineer to design a product model and mold design process to design a mo...
06/27/2006
7068268Computer-aided product design system
In a product design system having a computer and an interactive program stored in the computer for aiding the engineer to design a product and including product design process for allowing the engineer to design a product model and mold design process to design a mo...
06/27/2006
7054217Semiconductor memory device
A semiconductor memory device capable of improving the operating speed while suppressing size increase is provided. This semiconductor device comprises a plurality of word lines and a plurality of bit lines arranged to intersect with each other, a single-port SRAM c...
05/30/2006
D520154Rear combination lamp for two-wheeled motor vehicles
05/02/2006
7030206Polymer electrolyte and proton-conducting membrane
To provide a sulfonic acid group-containing polymer having improved hot water resistance and radical resistance (durability), a solid polymer electrolyte including the polymer, and a proton-conducting membrane including the electrolyte, the polymer electrolyte inclu...
04/18/2006
7022939Through weld for aluminum or aluminum alloy base metals by using high-density energy beams
This invention provides a new through weld method to carry out welding of a base metal made of aluminum or that of aluminum alloy using high energy beams wherein a shield gas ambience (an inert gas ambience) to cover a welding site in a submerged-scar is formed, eve...
04/04/2006
7017530Method for controlling compression ignition internal combustion engine
The invention provides a method for controlling a compression ignition internal combustion engine, which can easily deal with a wide range of demand loads with a single fuel. The compression ignition internal combustion engine includes a fuel containing an ignition ...
03/28/2006
7012558A/D converter, battery pack, electronics device and method of voltage measurement
An amplifying circuit amplifies and outputs voltage difference between first external input voltage and voltage corresponding to second external input voltage. An A/D converting circuit converts the output voltage of the amplifying circuit into a digital value by co...
03/14/2006
7012829Ferroelectric memory and data reading method for same
A bit line is connected, via a first pMOS transistor, to a first node whose potential is set at a prescribed negative voltage in advance. The gate voltage of the first pMOS transistor is set at a constant voltage that is slightly lower than its threshold voltage. Du...
03/14/2006
7009371DC/DC converter
The present invention provides a DC/DC converter that can include a capacitor constituting a soft start circuit in a semiconductor integrated device. This DC/DC converter is comprised of a switching element for supplying power from a power supply (Vcc) to...
03/07/2006
7006936Pulse width measuring device with automatic range setting function
A pulse width measuring device is disclosed that calculates the pulse width of a signal to be measured, based on a count value and a count clock signal. In the pulse width measuring device, the counter circuit has a plurality of bits that are divided into an exponen...
02/28/2006
7005887Semiconductor integrated circuit
A semiconductor integrated circuit is provided, which includes a first group of cells, in which a plural of I/O cells and/or power source cells for external input and/or output are arranged along a direction of the outer periphery of the semiconductor integrated cir...
02/28/2006
7006396Semiconductor memory device and precharge control method
A semiconductor memory device that quickly precharges a bit line and shortens the cycle time for accessing the memory cells. The semiconductor memory device includes a memory cell array having a plurality of memory cells. A bit line is connected to the plurality of ...
02/28/2006
6999358Semiconductor memory device
A semiconductor memory device that reduces the probability of the penalties of wirings arising. An address input circuit receives an address signal input. A drive circuit drives a memory array in compliance with the address signal. A signal line connects the address...
02/14/2006
1        
 
Sign InRegister
Username  
Password   
forgot password?