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Expired patents of:
Fujitsu Limited

Displaying 1 to 50 of 681 patents. (Retrieval took 2.101 seconds.)

 Patent TitleExpired:
1.Multi-media scheduling system2007-02-28
2.Wavelength-multiplexing optical communication method employing RZ signals, wavelength-multiplexing optical sending apparatus employing RZ signals, and wavelength-multiplexing optical communication system employing RZ signals2007-02-23
3.Digital radio system including repeater equipment, end equipment and receiver2007-02-23
4.Neuro-fuzzy-integrated data processing system2007-02-23
5.Static random access memory device having thin film transistor loads2007-02-21
6.Image editing system for transmission network supervision2007-02-21
7.Semiconductor device and method of manufacturing the same2007-02-18
8.Servo information writing method and storage device2007-02-18
9.Method and system for controlling reservation of data channels in automatic call distribution services2007-02-18
10.Galois field arithmetic processor2007-02-18
11.Video transmission system2007-02-18
12.Electron beam tester2007-02-16
13.Logical address structure for disk memories2007-02-16
14.Data interpolation processing apparatus2007-02-14
15.Method of producing metallic microscale cold cathodes2007-02-14
16.Resonant-tunneling heterojunction bipolar transistor device2007-02-14
17.Laminated piezoelectric element2007-02-14
18.Frequency synthesizer having quick frequency pull in and phase lock-in2007-02-14
19.Magnetic head assembly with spring arms held on one side of head arm2007-02-14
20.Resonance tunnel diode memory2007-02-14
21.Additional extension device having universal applicability2007-02-11
22.Apparatus and a method for establishing signal synchronization between lines2007-02-09
23.Data-link processing equipment and apparatus for subscriber terminal office using same2007-02-09
24.Peak detector for detecting accurate pulse peaks produced by a magnetic head exhibiting residual magnetism2007-02-07
25.Tunable optical source for producing a coherent optical beam with a wide range of wavelength tuning2007-02-07
26.Modulation and demodulation system2007-02-07
27.Frequency converter circuit with improved intermediate frequency stability2007-02-07
28.Manipulator simulation method and apparatus2007-02-02
29.Lapping machine2007-01-28
30.Printed-wiring board, method for identifying same, and method for manufacturing same2007-01-28
31.Ultrasonic doppler diagnostic system2007-01-24
32.Testing method, testing circuit and semiconductor integrated circuit having testing circuit2007-01-24
33.Band controlling apparatus2007-01-21
34.Method of fixing suspension to actuator arm2007-01-19
35.Regulator circuit and semiconductor integrated circuit device having the same2007-01-19
36.Liquid crystal display device with uniform characteristics over whole display area2007-01-19
37.Cooling device for mounting module2007-01-19
38.Plasma jet CVD apparatus for forming diamond films2007-01-17
39.Packet switching testing method and apparatus2007-01-17
40.Semiconductor device having increased reliability and method of producing the same and semiconductor chip suitable for such a semiconductor device and method of producing the same2007-01-14
41.Head slider and disk apparatus2007-01-14
42.Magnetic disk drive and flexible printed board used in such drive2007-01-12
43.Spin valve magnetoresistive head with spun valves connected in series2007-01-12
44.Optical beam splitting device and method of controlling optical beam outputs2007-01-12
45.Image reading system using an interruption of a pulse train to adjust a scanning period2007-01-10
46.Call collision sidestep system for two-way simultaneous calls in an ISDN network2007-01-10
47.Radio environment measuring system2007-01-10
48.Apparatus and method for managing rate band2007-01-07
49.Semiconductor device2007-01-05
50.Method for making electronic circuit design data and CAD system using the method2007-01-05

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