Inventor · disambiguated record
Adriaan J. Groothoff
Also filed as: GROOTHOFF ADRIAAN J · GROOTHOFF ADRIAAN JACOB
9 granted patents·51 citations·filing 1973–1989
86Inventor score
Files withPHILIPS CORP9
Top patents by PatentIndex Score
9 records- 0176US4484166ACoil support for an electromagnetic deflection unitPHILIPS CORP·Filed 1983·Granted Nov 20, 1984·18 cites·12 claims
- 0250US4431940AColor display tube having a deflection device and deflection device for a color display tubePHILIPS CORP·Filed 1981·Granted Feb 14, 1984·8 cites·23 claims
- 0348US3934169APicture display device and deflection coil both having self-aligning surfacesPHILIPS CORP·Filed 1973·Granted Jan 20, 1976·6 cites·11 claims
- 0444US4922167APicture display device having means for compensating line stray fieldsPHILIPS CORP·Filed 1988·Granted May 1, 1990·6 cites·5 claims
- 0541US4612524ADeflection coil system for a picture display tubePHILIPS CORP·Filed 1984·Granted Sep 16, 1986·4 cites·4 claims
- 0639US5023510APicture tube having an electro-magnetic deflection unitPHILIPS CORP·Filed 1989·Granted Jun 11, 1991·4 cites·6 claims
- 0733US4819323AMethod of manufacturing an electro-magnetic deflection unit for a cathode ray tubePHILIPS CORP·Filed 1987·Granted Apr 11, 1989·4 cites·3 claims
- 0828US3991392ADeflection unit for color television display tubesPHILIPS CORP·Filed 1975·Granted Nov 9, 1976·0 cites·3 claims
- 0923US4823460AMethod of manufacturing an electromagnetic deflection unitPHILIPS CORP·Filed 1987·Granted Apr 25, 1989·1 cites·8 claims
Join the waitlist — get patent alerts
Get an alert when Adriaan J. Groothoff files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →