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Expired patents of:
Matsushita Electric Industrial Co., Ltd.

Displaying 1 to 50 of 1267 patents. (Retrieval took 4.551 seconds.)

 Patent TitleExpired:
1.Projection type image display device2007-02-28
2.Ferroelectric capacitor memory2007-02-25
3.High efficiency coding device and high efficiency coding method for image data2007-02-25
4.Foam plastic and method of manufacturing the same2007-02-23
5.Fluorine-containing alkylsuccinic acid diester, process for preparing the same and use thereof2007-02-21
6.Image processing apparatus for performing an edge correction process and digital copying machine comprising said image processing apparatus therefore2007-02-21
7.Speed controlling system and a predictor2007-02-21
8.Magneto-optical recording medium2007-02-18
9.Liquid crystal display panel and method and device for manufacturing the same2007-02-16
10.Recording area management method, error recovery processing method, and storage apparatus2007-02-16
11.Process of making chalcopyrite structure semiconductor film2007-02-14
12.Differential transmission circuit2007-02-14
13.Television program recording and reproducing system using program data of text broadcast signal2007-02-14
14.Projection lens assembly and projection display apparatus2007-02-14
15.Electric resonance element, detection apparatus and moving vehicle control system2007-02-11
16.IC card read/write apparatus2007-02-11
17.Ferroelectric memory device2007-02-11
18.Transmitting/receiving apparatus using a plurality of spreading codes2007-02-11
19.Mehtod and aparatus for polishing semiconductor substrate2007-02-09
20.Electrode including organic disulfide compound and method of producing the same2007-02-09
21.Plasma generating and processing method and apparatus thereof2007-02-09
22.Cordless telephone apparatus2007-02-09
23.Power supply circuit2007-02-07
24.Enhanced resolution extended definition television system2007-02-07
25.Image signal processing apparatus and image formation apparatus including the same2007-02-07
26.Shorter wavelength light generating apparatus in which coherent light is converted into shorter wavelength light2007-02-07
27.Heating element for deodorization2007-02-07
28.Receiving circuit2007-02-04
29.Method for producing a winding of a stator coil2007-02-02
30.Apparatus for filling liquid crystal material2007-02-02
31.Hearing aid2007-02-02
32.Cordless telephone system having power interruption detection2007-02-02
33.Method and apparatus for reproducing independently recorded multi-channel digital audio signals simultaneously and in synchronization with video signals2007-01-31
34.Low operating current and low noise semiconductor laser device for optical disk memories2007-01-31
35.Telephone apparatus2007-01-28
36.Method and apparatus for filling liquid crystal material2007-01-26
37.Apparatus and method for forming thin film2007-01-26
38.Display device2007-01-26
39.Speech synthesizing method and apparatus for combining natural speech segments and synthesized speech segments2007-01-26
40.Method for fixing FG magnet2007-01-24
41.Electronic apparatus with battery power source2007-01-24
42.Liquid crystal spatial light modulator with electrically isolated reflecting films connected to electrically isolated pixel portions of photo conductor2007-01-24
43.Occupant condition determining apparatus2007-01-24
44.Fabrication method of fine structures2007-01-17
45.Manufacturing method of a semiconductor device utilizing thin metal film2007-01-17
46.Combination of an optical-disk and barcode memory medium for use with an optical disk playback apparatus, having control programs stored in the optical-disk and specified by barcodes stored in the barcode memory medium2007-01-17
47.Digital filter and digital signal processing system2007-01-17
48.Semiconductor laser and a method for producing the same2007-01-17
49.Plurality of photodetectors, each having individually selected light-transmitting member on front face to provide uniform output characteristic2007-01-12
50.Output circuit for PWM inverter with no floating state2007-01-12

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