P

Inventor

DRUYVESTEYN WILLEM FREDERIK

6 patents
⚠️ This page may combine multiple inventors who share the name “DRUYVESTEYN WILLEM FREDERIK”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

PHILIPS CORP

5 patents
US4091429AMay 23, 1978

Device for the magnetic recording by means of a magnetic strip domain as a recording/playback head

PHILIPS CORP4 citations54
US3991233ANov 9, 1976

Method of manufacturing a magnetizable layer for a magnetic domain device

PHILIPS CORP2 citations53
US4041478AAug 9, 1977

Memory device

PHILIPS CORP0 citations45
US3938111AFeb 10, 1976

Magnetic device for producing domains

PHILIPS CORP0 citations42
US4052707AOct 4, 1977

Magnetic device having domains of two different sizes in a single layer

PHILIPS CORP0 citations29

DORLEIJN JAN WILLEM FREDERIK

1 patent
US3944842AMar 16, 1976

Magnetic domain logic device

DORLEIJN JAN WILLEM FREDERIK7 citations60