Inventor

STOPPELS DOEKO

NL3 patents

Patents

3 patents

US4568993AFeb 4, 1986

Magnetic head

PHILIPS CORP7 citations69

US4719148AJan 12, 1988

Magnetic head having a core of Mn-Zn-Co ferrous ferrite

PHILIPS CORP9 citations67

US4594628AJun 10, 1986

Magnetic head having cobalt-containing zinc-ferrous ferrite core

PHILIPS CORP0 citations43