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Expired patents of:
Hitachi, Ltd.

Displaying 751 to 800 of 1585 patents. (Retrieval took 0.016 seconds.)

 Patent TitleExpired:
751.Multiplication, division and square root extraction apparatus2006-03-08
752.Data processing system having a plurality of register groups and a logical or circuit for addressing one register of one of the register groups2006-03-08
753.Multiprocessor computer system with dedicated synchronizing cache2006-03-08
754.Digital signal processor utilizing a multiply-and-add function for digital filter realization2006-03-08
755.Semiconductor module2006-03-05
756.Packaging method of BGA type electronic component2006-03-03
757.Gas circuit breaker2006-03-03
758.CRT with asymmetric electrode geometry in inline direction with respect to side beam apertures in first grid electrode2006-03-03
759.Data transmission method and system for hub-based network2006-03-03
760.Method for trying-on apparel electronically while protecting private data2006-03-03
761.Memory system having a column address counter and a page address counter2006-03-03
762.Multiprocessor system with reduced power mode and improved variation of power demand2006-03-03
763.Magnetic film having a magnetic phase with crystallites of 200 A or less and an oxide phase present at the grain boundaries2006-03-01
764.Method of forming semiconductor device including a CMOS structure having double-doped channel regions2006-03-01
765.Method of managing programs for distributed processing systems and apparatus therefor2006-03-01
766.Method for managing failed storage media2006-02-26
767.Control method and apparatus for path switching in ring network2006-02-24
768.Database access system and method of controlling access management to a database access system for a plurality of heterogeneous database servers using SQL2006-02-24
769.Method for partitioning computation2006-02-24
770.Power supply for an electronic device2006-02-22
771.Digital pulse processing device2006-02-22
772.Coal mill and reduction gear used therefor2006-02-19
773.Color cathode ray tube having an improved electron gun2006-02-19
774.Color cathode ray tube equipped with field leak preventing coating2006-02-19
775.Intake pipe for internal combustion engine2006-02-17
776.Highly reliable distributed computing system2006-02-17
777.Regenerative type air conditioning equipment2006-02-15
778.Wire-bonding method, wire-bonding apparatus, and semiconductor device produced by the wire-bonding method2006-02-15
779.Printer having page-turning apparatus for passbooks and with page-turning capability even after initial deformation of sheets to be turned2006-02-15
780.Superconducting magnetic levitation apparatus2006-02-15
781.Display device and its displaying method2006-02-15
782.Logic synthesis method2006-02-15
783.Automatic program generation method with a visual data structure display2006-02-15
784.Parallel processing apparatus and method capable of switching parallel and successive processing modes2006-02-15
785.Method and apparatus for releasing and obtaining shared and exclusive locks2006-02-15
786.Method of producing a cathode ray tube2006-02-12
787.Transmission electron microscope with camera system2006-02-10
788.Display device2006-02-10
789.Field bus system and virtual field apparatus2006-02-10
790.Automatic manufacturability evaluation method and system2006-02-10
791.Wiring board provided with a heat bypass layer2006-02-08
792.Hydraulic elevator and a control method thereof2006-02-08
793.Recording and reproducing information apparatus for selectively recording a PCM audio signal or a digital signal in placed thereof2006-02-08
794.Power conversion system, method for controlling the same, and uninterruptible power supply using the same2006-02-08
795.Semiconductor memory having transistors which drive data lines in accordance with values of write data and column select signal2006-02-08
796.Multi-stage link switch2006-02-08
797.Method of making gas discharge display panel and gas discharge display device2006-02-05
798.Optical disc apparatus with different frequencies of wobble signal and clock signal for rotation control2006-02-05
799.Lithium cell treating method2006-02-03
800.Projection exposure apparatus and method which uses multiple diffraction gratings in order to produce a solid state device with fine patterns2006-02-03

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