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Joannes H. F. C. Sieben
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Eindhoven, NL
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last 30 patents
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Patent Grant
Cathode ray tube with temperature compensated deflection unit
Patent number
5,714,834
Issue date
Feb 3, 1998
U.S. Philips Corporation
Joannes H. F. C. Sieben
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Magnetic-tape cassette and reel-locking device suitable for use in...
Patent number
5,436,782
Issue date
Jul 25, 1995
U.S. Philips Corporation
Joannes H. F. C. Sieben
G11 - INFORMATION STORAGE
Information
Patent Grant
Optoelectronic device and method of manufacturing same with an elec...
Patent number
5,350,916
Issue date
Sep 27, 1994
U.S. Philips Corporation
Martinus P. M. Bierhoff
G11 - INFORMATION STORAGE
Information
Patent Grant
Reel braking device for a magnetic-tape cassette
Patent number
4,607,307
Issue date
Aug 19, 1986
U.S. Philips Corporation
Joannes H. F. C. Sieben
G11 - INFORMATION STORAGE
Information
Patent Grant
Tape reel mounting and coupling for a magnetic-tape cassette
Patent number
4,545,550
Issue date
Oct 8, 1985
Joost M. Wolf
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic-tape guide arrangement for a cassette and a magnetic-tape...
Patent number
4,541,024
Issue date
Sep 10, 1985
U.S. Philips Corporation
Joannes H. F. C. Sieben
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic-tape cassette with a flexible latch for a cover
Patent number
4,524,927
Issue date
Jun 25, 1985
U.S. Philips Corporation
Joannes H. F. C. Sieben
G11 - INFORMATION STORAGE
Information
Patent Grant
Storage case for a magnetic-tape cassette
Patent number
4,512,470
Issue date
Apr 23, 1985
U.S. Philips Corporation
Joannes H. F. C. Sieben
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic-tape cassette with simplified reel brake
Patent number
4,496,119
Issue date
Jan 29, 1985
U.S. Philips Corporation
Joannes H. F. C. Sieben
G11 - INFORMATION STORAGE
Information
Patent Grant
Flash lamp unit
Patent number
4,059,387
Issue date
Nov 22, 1977
U.S. Philips Corporation
Petrus Johannes Julius Witterick
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY