Assignee: Kawasaki Microelectronics, Inc.

Location: Chiba, JP
No. of patents: 87

Number	Title	Issue Date
8164597	Color conversion circuit and method of color conversion using interpolation from conversion coefficients some of which are substituted Exemplary embodiments of color conversion circuits and color conversion methods convert input color data into output color data. The input color data is positioned in a three-dimensional color space, which is divided into a plurality of unit cubes each having a fixe...	04/24/2012
8077488	Switching-type power-supply unit and a method of switching in power-supply unit A switching-type power-supply which enables the switching with little power loss and a method of switching the switching-type power-supply are provided. The switching-type power-supply unit includes a transformer with primary, secondary, winding and control windings...	12/13/2011
8006156	Method of generating test condition for detecting delay faults in semiconductor integrated circuit and apparatus for generating the same Various exemplary embodiments provide methods and apparatuses for generating test conditions that efficiently detect delay faults while preventing overkill. According to an exemplary embodiment, i) test timing correcting block sets test timing faster than the actual...	08/23/2011
7958481	Method of designing a semiconductor integrated circuit having a dummy area and the semiconductor integrated circuit thereof An exemplary semiconductor integrated circuit is formed on a surface of a semiconductor chip includes a circuit region and a dummy region on the surface of the semiconductor chip. The circuit region includes a plurality of circuit patterns, which form circuit elemen...	06/07/2011
7921397	Method of designing semiconductor integrated circuits, and semiconductor integrated circuits that allow precise adjustment of delay time Standard cell libraries and methods of designing semiconductor integrated circuits are provided. At least one of delay-adjusting cell data and load-capacitor cell data is stored in the cell library for a specified type standard cell in addition to the standard cell ...	04/05/2011
7834889	Data conversion circuit having look-up table and interpolation circuit and method of data conversion Data conversion circuits and methods of data conversion that enable to keep the continuity in the converted data while reducing a required memory capacity are disclosed. An exemplary conversion circuit includes a LUT that stores representative correction values and ...	11/16/2010
7691277	Quartz component for plasma processing apparatus and restoring method thereof The main surface of a quartz component is divided by an offset into a first region having a larger height around an inner perimeter and a second region adjacent to the outer perimeter of the first region. Repeated restoration of a damaged component by forming a bulg...	04/06/2010
7671881	Timing detection circuit and apparatus for modulating light beam A timing detection circuit including a first timing detection circuit, a second detection circuit, and an output circuit is disclosed. The first detection circuit detects, among multiphase clocks having n mutually different phases and a frequency of k times the freq...	03/02/2010
7649393	Semiconductor integrated circuit having active and sleep modes and non-retention flip-flop that is initialized when switching from sleep mode to active mode A semiconductor integrated circuit has an active mode and a sleep mode. The semiconductor integrated circuit is constructed by alternately connecting a plurality of combinational logic circuits and a plurality of flip-flops. The flip-flops include a retention flip-f...	01/19/2010
7629689	Semiconductor integrated circuit having connection pads over active elements A semiconductor integrated circuit having connection pads arranged over active elements is disclosed. The connection pad is divided into a probing area and a bonding area, and reinforcing structures are formed separately under the respective areas. The reinforcing s...	12/08/2009
7613254	Phase detector for comparing phases of data and a plurality of clocks A phase detector that compares the phases of data and four-phase first to fourth clocks having a half rate of the data and being 90° out of phase with one another. Exemplary embodiments of the phase detector include first to fourth sampling circuits that sample the...	11/03/2009
7586380	Bias circuit to stabilize oscillation in ring oscillator, oscillator, and method to stabilize oscillation in ring oscillator Bias circuits to stabilize oscillation in ring oscillators, oscillators, and methods to stabilize oscillation in ring oscillators are provided. The ring oscillator includes a plurality of differential delay cells, each including a pair of input transistors, a pair o...	09/08/2009
7567484	Method of preventing dielectric breakdown of semiconductor device and semiconductor device preventing dielectric breakdown A semiconductor device that prevents a build-up of electrostatic charge in a dummy pad is provided. The semiconductor device may contain an internal circuit formed on a semiconductor substrate and the dummy pad which is not electrically connected to the internal cir...	07/28/2009
7557428	Semiconductor integrated circuit having a reduced parasitic capacitance and short start-up time A semiconductor integrated circuit that includes a circuit element with a reduced parasitic capacitance and has a short start-up time. A well of the different type of conduction from that of the substrate is formed in the area of the surface of the semiconductor sub...	07/07/2009
7519848	Data transfer apparatus A data transfer apparatus includes at least one master and a plurality of slaves connected by a ring-connection bus, and a controller having a master port and slave ports connected to the corresponding master and slaves, respectively. In such a ring-like structure, ...	04/14/2009
7469389	Standard cell library, method of designing semiconductor integrated circuit, semiconductor integrated circuit pattern, and semiconductor integrated circuit An exemplary cell library includes a first plurality of types of standard cells. Each of the first plurality of types of standard cells includes threshold voltage adjusting patterns. The upper and the lower boundaries of the threshold voltage adjusting patterns cont...	12/23/2008
7432115	Test circuit, semiconductor product wafer having the test circuit, and method of monitoring manufacturing process using the test circuit A test circuit and a method of monitoring a manufacturing process of a semiconductor integrated circuit using the test circuit are provided. The test circuit comprises elements to be tested; a selection circuit for sequentially selecting at least one of the elements...	10/07/2008
7420395	Output buffer circuit and system including the output buffer circuit An output buffer circuit, which minimizes or prevents output delay of output signal and degradation of slew rate while suppressing overshoot and undershoot, is provided. In a first time period when an input signal to a gate of an N-channel output transistor changes ...	09/02/2008
7403195	Method and apparatus for driving passive matrix liquid crystal A method and an apparatus for driving passive matrix liquid crystal, comprising the steps of: simultaneously selecting Y row electrodes, where Y is an odd number of 7 and above; calculating an exclusive OR between a Y-bit row selection vector representing a selectio...	07/22/2008
7350019	Content addressable memory device capable of being used in cascaded fashion The configuration of a CAM device can be set in various manners depending on a system in which CAM having different configurations is needed. The CAM device includes a CAM array including a plurality of physical banks, a logical bank-physical bank converter for sett...	03/25/2008
7319350	Lock-detection circuit and PLL circuit using same A lock-detection circuit that can set an acceptable phase-error range adapted to define a locked state and/or an unlocked state at a constant rate without being affected by a frequency and that can detect the locked state and/or the unlocked state with precision wit...	01/15/2008
7312666	PLL circuit configured to distribute its loop control signal to CDR circuits A semiconductor integrated circuit includes a phase-locked loop (PLL) circuit configured to generate an oscillation output signal synchronized with a reference clock and a plurality of clock and data recovery (CDR) circuits configured to adjust a phase of the oscill...	12/25/2007
7301797	Method of operating semiconductor integrated circuit including SRAM block and semiconductor integrated circuit including SRAM block A method of operating a semiconductor integrated circuit including a SRAM block, in which non-volatile data is stored in the SRAM block, is disclosed. In an exemplary embodiment, the non-volatile data is stored by flowing a drain current in one of a pair of pull-dow...	11/27/2007
7278897	Method of manufacturing display device having columnar spacers A method of manufacturing a display device capable of maintaining a cell gap constant is provided. The method includes forming a plurality of columnar spacers on a substrate on which a plurality of pixel electrodes are formed; forming a coating material film with a ...	10/09/2007
7257790	Layout structure of semiconductor integrated circuit and method for forming the same In an exemplary layout structure of a semiconductor integrated circuit manufactured by a photolithographic process using an exposing light having a wavelength λ, a peripheral circuit region is formed by arranging a plurality of peripheral circuit cells, each having...	08/14/2007
7257671	Content addressable memory capable of changing priority in priority encoder A content addressable memory includes a plurality of word memories which respectively have assigned addresses, and each outputs a match/mismatch signal representing storage or no storage of a data item matching search data in a search mode, a priority encoder which ...	08/14/2007
7256722	D/A converter A high accuracy D/A converter includes D/A converter sections including 64 current cells for outputting a current corresponding to 1 LSB of 8-bit input data and a D/A converter section including 63 current cells, a reference current generating section for supplying ...	08/14/2007
7236516	RAKE receiver device A RAKE receiver device includes a plurality of fingers for demodulating multipath receive data, and a data synthesis circuit for synthesizing the receive data from each of the paths and demodulated by the plural fingers. Each time the receive data is demodulated by ...	06/26/2007
7231568	System debugging device and system debugging method A system debugging device in which, even if bus ownership is transferred to other bus masters, the operations of the other bus masters can be monitored such that efficient debugging of a system can be achieved is provided. In a system where a plurality of bus master...	06/12/2007
7218162	Semiconductor integrated circuit having output circuit A semiconductor integrated circuit that has an output circuit in which an output-stage operating voltage lower than a power supply voltage is applied to an output stage is provided. Even when the power supply voltage is lowered, a sufficient output signal amplitude ...	05/15/2007
7171636	Pass-transistor logic circuit and a method of designing thereof A method of designing a logic circuit including pass transistors is disclosed. A logic group having a complementary variable in a given logical expression to be realized into the logic circuit is mapped using a multiplexer composed of a combination of the pass trans...	01/30/2007
7167455	Rake combining circuit and rake combining method Not only an instantaneous pilot symbol value resulting from correcting a phase of one demodulated pilot symbol in response to phase deviation of the one pilot symbol but also a pilot symbol value resulting from correcting a phase of the same pilot symbol correspondi...	01/23/2007
7160786	Silicon on insulator device and layout method of the same A silicon on insulator (SOI) semiconductor device includes a wire connected to doped regions formed in an active layer of a SOI substrate. A ratio of the area of the wire to the doped region or a ratio of the area of contact holes formed on the wire to the doped reg...	01/09/2007
7137092	Layout method of semiconductor integrated circuit, layout structure thereof, and photomask for forming the layout structure A plurality of standard cells 10 are arranged to form a channel-less standard cell array 1, which has vertical and horizontal sides. A plurality of first proximity dummy cells 20 are arranged along each of the vertical sides of the standard cell...	11/14/2006
7124334	Test circuit and test method for communication system A communication system for transmitting and receiving data at high speed can be self-tested at actual operating speed with low cost, and without increasing the chip area. A test signal generation unit generates test parallel data. A transmitter for test purpose conv...	10/17/2006
7120894	Pass-transistor logic circuit and a method of designing thereof A method of designing a logic circuit including pass transistors is disclosed. A logic group having a complementary variable in a given logical expression to be realized into the logic circuit is mapped using a multiplexer composed of a combination of the pass trans...	10/10/2006
7099381	De-spreading method and de-spreading apparatus The present invention relates to a de-spreading method and a de-spreading apparatus, in which an correlation operation between input signals time-sequentially inputted and a predetermined code is performed so that data suitable for the code is extracted from the inp...	08/29/2006
7087974	Semiconductor integrated circuit including anti-fuse and method for manufacturing the same An anti-fuse is manufactured by forming an isolation region including an insulating material layer buried in a surface of a device formation region on a surface of a semiconductor substrate, and by forming diffusion regions at both sides of the isolation region, the...	08/08/2006
7061293	Spread spectrum clock generating circuit A clock generating circuit includes a delay circuit which has input terminals and which delays a signal input from each of the input terminals by a different delay time, and outputs the delayed signal from at least one output terminal, a selective circuit which rece...	06/13/2006
7034626	Oscillator with closed series of four inductors and four capacitors with connecting nodes An object of the present invention is to provide an oscillator contributing to a reduction of power dissipation. An oscillator 10 comprises four inductors 11—1, 11—3, 11—2, and 11�...	04/25/2006

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Assignee: Kawasaki Microelectronics, Inc.