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Expired patents of:
NEC Corporation

Displaying 901 to 950 of 2845 patents. (Retrieval took 1.469 seconds.)

 Patent TitleExpired:
901.Solid-state image pickup device operable at a frame rate with a controllable accumulating time interval2006-06-16
902.Apparatus and method for inspecting fluorescent screen2006-06-16
903.Wavelength multiplexing optical transmission device2006-06-16
904.Ferroelectric memory with fault recovery circuits2006-06-16
905.Circuitry and method for stabilizing operating characteristics of memory against temperature variations2006-06-16
906.Semiconductor memory2006-06-16
907.System for parity calculation based on arithemtic difference between data2006-06-16
908.Time-adjustable delay circuit2006-06-16
909.Interrupt managing system for real-time operating system2006-06-16
910.Radio port testing method and mobile communication system2006-06-16
911.Solid state image pickup device with optical filter free from age deterioration2006-06-14
912.Non-volatile semiconductor memory device having thin film memory transistors stacked over associated selecting transistors2006-06-14
913.Semiconductor device2006-06-14
914.Hermetically sealed metal stem or header for semiconductor device2006-06-14
915.Emitter-coupled logic (ECL) circuit with an inductively coupled output stage for enhanced operating speed2006-06-14
916.Pseudo random pattern generation circuit2006-06-14
917.Frequency multiplier2006-06-14
918.Method and apparatus for processing biologically hardly degradable waste water capable of reducing ozone2006-06-11
919.Method of selectively forming a silicide layer on a logic area of a semiconductor substrate2006-06-11
920.Semiconductor device and method of manufacturing the same2006-06-11
921.Method for correcting an optical proximity effect in an interconnect pattern by shortening the legs of cutout patterns to avoid linewidth reduction2006-06-11
922.Color cathode ray tube having a reduced diameter part in the neck2006-06-11
923.Method for power control during call acquisition in CDMA mobile communication systems2006-06-11
924.Evaluation value computing system in production line simulator2006-06-11
925.Speech synthesis apparatus2006-06-11
926.Device and method for testing a semiconductor2006-06-11
927.Alignment measurement apparatus and method for using the same in forming phosphor screen in color cathode-ray tube2006-06-09
928.Effusion fluid sucking device2006-06-09
929.Method for forming resist pattern2006-06-09
930.Device module comprising a substrate having grooves fixed to circuit chips with improved sealing characteristics2006-06-09
931.Method for making semiconductor device by coating an SOG film in amine gas atmosphere2006-06-09
932.Semiconductor integrated circuit having bipolar and MOS transistors formed on a single semiconductor substrate2006-06-09
933.Semiconductor device with SOI structure and fabrication method thereof2006-06-09
934.Semiconductor device having a perforated base film sheet2006-06-09
935.Lead frame free of irregular deformation2006-06-09
936.Semiconductor device having a reduced wiring area in and out of data path zone2006-06-09
937.Radio paging receiver with display unit having update means to eliminate redundant messages2006-06-09
938.Window display control apparatus in a window system and window display controlling method2006-06-09
939.Interface device2006-06-09
940.Infrared spatial communication system capable of reducing a processing amount of data communication devices during communication2006-06-09
941.Check system for production process procedure2006-06-09
942.Bipolar multiplier having wider input voltage range2006-06-09
943.Phase-locked loop frequency synthesizer2006-06-09
944.Portable telephone set with a vibrator having an automatic switching function2006-06-09
945.Cellular telephone with wire connection function2006-06-09
946.Frequency doubling and mixing circuit2006-06-07
947.Automatic loading amount control apparatus for granular compound fertilizer material2006-06-07
948.Quadrature modulation circuit2006-06-07
949.Address detection circuit using a memory2006-06-07
950.Automatic storage unit and automatic storing method2006-06-04

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