Inventor
OKAI TETSUYA
JP13 patents
⚠️ This page may combine multiple inventors who share the name “OKAI TETSUYA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
5 patentsUS6483663B2Nov 19, 2002
Thin film magnetic head and magnetic disk apparatus including the same
HITACHI LTD14 citations92
US5687045ANov 11, 1997
Thin film magnetic head and production method thereof and magnetic disk drive equipped with this thin film magnetic head
HITACHI LTD30 citations90
US4971896ANov 20, 1990
Method for forming thin film pattern and method for fabricating thin film magnetic head using the same
HITACHI LTD11 citations73
US5316617AMay 31, 1994
Thin film magnetic head and method of manufacturing the same
HITACHI LTD13 citations71
US6898057B2May 24, 2005
Thin film magnetic head having multiple layered films determining track width imbedded in an insulating film and method of manufacturing the same
HITACHI LTD6 citations62
HITACHI GLOBAL STORAGE TECH
5 patentsUS7382576B2Jun 3, 2008
Thin film magnetic head and magnetic disk apparatus including the same
HITACHI GLOBAL STORAGE TECH5 citations73
US6877212B2Apr 12, 2005
Manufacturing method of a thin film magnetic head
HITACHI GLOBAL STORAGE TECH6 citations73
US7068467B2Jun 27, 2006
Thin film magnetic head and magnetic disk apparatus including the same
HITACHI GLOBAL STORAGE TECH3 citations62
US7515380B2Apr 7, 2009
Magnetic head and method for production therefor
HITACHI GLOBAL STORAGE TECH3 citations61
US7267757B2Sep 11, 2007
Magnetic head utilizing a CoNiFe alloy with 60-80 weight percent Fe and method for production therefor
HITACHI GLOBAL STORAGE TECH4 citations61