Theo J. A. Popma

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Eindhoven, NL

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Patents Grantslast 30 patents

Information Patent Grant
Radiation conversion screen
- Patent number 4,820,926
- Issue date Apr 11, 1989
- U.S. Philips Corporation
- Theo J. A. Popma
- G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information Patent Grant
Luminescent aluminoborate glass and luminescent screen provided wit...
- Patent number 4,751,148
- Issue date Jun 14, 1988
- U.S. Philips Corp.
- Theo J. A. Popma
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Method of providing magnesium fluoride layers
- Patent number 4,492,721
- Issue date Jan 8, 1985
- U.S. Philips Corporation
- Paul H. Joosten
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Plasma spraying of conversion screens
- Patent number 4,475,032
- Issue date Oct 2, 1984
- U.S. Philips Corporation
- Theo J. A. Popma
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Method of producing iron oxide photo masks
- Patent number 4,199,621
- Issue date Apr 22, 1980
- U.S. Philips Corporation
- Theo J. A. Popma
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY