P

Inventor

OKI NARUAKI

JP12 patents
⚠️ This page may combine multiple inventors who share the name “OKI NARUAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

ALPS ELECTRIC CO LTD

11 patents
US7106555B2Sep 12, 2006

Magnetic head, magnetic tape device including the magnetic head and method for producing the magnetic head

ALPS ELECTRIC CO LTD34 citations91
US6400527B1Jun 4, 2002

Thin film magnetic head having upper core layer with narrow track width

ALPS ELECTRIC CO LTD12 citations73
US6801393B2Oct 5, 2004

Thin-film magnetic head having metal film formed on gap-depth defining layer, and production method therefor

ALPS ELECTRIC CO LTD10 citations72
US7190553B2Mar 13, 2007

Thin-film magnetic head having lower magnetic pole layer and insulator layer behind the lower magnetic pole layer in the direction of height of the pole layer, and method for manufacturing the thin-film magnetic head

ALPS ELECTRIC CO LTD5 citations62
US6898056B2May 24, 2005

Thin-film magnetic head capable of suppressing side fringing

ALPS ELECTRIC CO LTD2 citations62
US6731457B2May 4, 2004

Thin-film magnetic head suitable for narrow tracks

ALPS ELECTRIC CO LTD6 citations62
US6650502B2Nov 18, 2003

Thin-film magnetic head capable of narrowing track width and method of manufacturing the same

ALPS ELECTRIC CO LTD4 citations62
US6999275B2Feb 14, 2006

Thin film magnetic head having partial insulating layer formed on bottom pole layer through gap layer and method of manufacturing the same

ALPS ELECTRIC CO LTD2 citations60
US6954333B2Oct 11, 2005

Thin film magnetic head having partial insulating layer formed on bottom pole layer through gap layer and method of manufacturing the same

ALPS ELECTRIC CO LTD2 citations60
US7073250B2Jul 11, 2006

Method of manufacturing thin film magnetic head having partial insulating layer formed on bottom pole layer through gap layer

ALPS ELECTRIC CO LTD0 citations49
US7088549B1Aug 8, 2006

Thin-film magnetic head having a high recording density and frequency

ALPS ELECTRIC CO LTD0 citations36

ALPS GREEN DEVICES CO LTD

1 patent