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Expired patents of:
Hitachi, Ltd.

Displaying 51 to 100 of 1585 patents. (Retrieval took 1.584 seconds.)

 Patent TitleExpired:
51.Method and system for synchronizing data having skew2007-02-02
52.Workflow method and system therefor2007-02-02
53.Combined output system for code data and image data in a message handling processor2007-01-31
54.Parallel optical switching apparatus2007-01-31
55.Method and system for controlling/monitoring computer system having plural operating systems to run thereon2007-01-31
56.Automobile with different diameter differential gear sets having the same gear ratio2007-01-28
57.Pattern forming method, projection exposure system, and semiconductor device fabrication method2007-01-26
58.Optical signal amplifying circuit2007-01-26
59.System and method for converting video signals for display on television receiver screens of differing aspect ratios2007-01-24
60.Reference voltage generator2007-01-24
61.Network system and line switching method used therein2007-01-24
62.Cathode ray tube having an improved electron gun2007-01-21
63.Circuit for scan conversion of picture signal using motion compensation2007-01-21
64.Data transfer control method and system, data transfer control program file, and file storage medium2007-01-21
65.Data analysis method and apparatus for data mining2007-01-21
66.Video distributing apparatus and video distributing system2007-01-21
67.Method of analysis or assay for polynucleotides and analyzer or instrument for polynucleotides2007-01-19
68.Color cathode ray tube with reduced moire2007-01-19
69.Disc inclining/disc inverting mechanism in a disc storage/playback apparatus2007-01-19
70.Optical memory device and optical circuit using optical memory device2007-01-19
71.Method of data passing in parallel computer2007-01-19
72.Visual merchandizing (VMD) control method and system2007-01-17
73.Dry etching device and method of producing semiconductor devices2007-01-14
74.Radiation shielding body2007-01-12
75.Binocular display goggles with a one dimensional light source array scanned to form image of high dot density data2007-01-12
76.High efficiency color liquid crystal display2007-01-12
77.Computer system and method of issuing input/output commands therefrom2007-01-12
78.Satellite communications system and method2007-01-12
79.Turbo vacuum pump2007-01-10
80.Superconducting field effect transistor with increased channel length2007-01-10
81.Power supply arrangement and connector2007-01-10
82.Method and apparatus for correcting flesh color2007-01-10
83.High-power solid-state laser resonator2007-01-10
84.Solid material melting apparatus2007-01-07
85.Optical interconnection receiving module2007-01-07
86.Video signal reproducing apparatus and video signal display apparatus2007-01-07
87.Logic synthesis method and system with intermediate circuit files2007-01-05
88.Corrosive environment sensor, corrosive environment measuring apparatus and corrosive environment control system2007-01-03
89.Manipulator2007-01-03
90.Vacuum circuit breaker2007-01-03
91.Cylinder injection engine and control apparatus and method thereof2006-12-31
92.Ion implanting apparatus and sample processing apparatus2006-12-31
93.Method of and apparatus for managing licensed software2006-12-31
94.Electronic interpreter utilizing linked sets of sentences2006-12-29
95.Composite superconductor body and magnetic levitation system2006-12-27
96.Control apparatus and method for a substrate tray on an in-line sputtering apparatus2006-12-27
97.Merchandise analysis system with sales data table and various functions for predicting the sale by item2006-12-27
98.Buffer storage control system2006-12-27
99.Method of scheduling tasks with priority to interrupted task locking shared resource2006-12-27
100.Vacuum switch and vacuum switchgear using the same2006-12-24

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