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Johannes VAN DER Wal
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Eindhoven, NL
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last 30 patents
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Patent Grant
Polarizing beam splitter and magneto-optic reading device using the...
Patent number
6,014,255
Issue date
Jan 11, 2000
U.S. Philips Corporation
Johannes Van Der Wal
G02 - OPTICS
Information
Patent Grant
Gas discharge laser for generating linearly polarized radiation
Patent number
4,201,954
Issue date
May 6, 1980
U.S. Philips Corporation
Johannes van der Wal
G02 - OPTICS
Information
Patent Grant
Gas discharge laser having an asymmetrical coupling-out mirror
Patent number
4,132,959
Issue date
Jan 2, 1979
U.S. Philips Corporation
Gijsbertus Bouwhuis
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Multilayer reflector for gas discharge laser
Patent number
4,099,840
Issue date
Jul 11, 1978
U.S. Philips Corporation
Johannes van der Wal
G02 - OPTICS
Information
Patent Grant
Video record disc manufactured by a process involving chemical or s...
Patent number
4,057,831
Issue date
Nov 8, 1977
U.S. Philips Corporation
Bernardus Antonius Johannus Jacobs
G11 - INFORMATION STORAGE
Information
Patent Grant
Gas discharge laser
Patent number
3,986,141
Issue date
Oct 12, 1976
U.S. Philips Corporation
Kornelis Bulthuis
H01 - BASIC ELECTRIC ELEMENTS