Inventor
KAMIGAMA TAKEHIRO
CN84 patents
⚠️ This page may combine multiple inventors who share the name “KAMIGAMA TAKEHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SAE MAGNETICS HK LTD
25 patentsUS5768055AJun 16, 1998
Magnetic recording head having a carbon overcoat array on slider air bearings surfaces
SAE MAGNETICS HK LTD103 citations95
US7239479B2Jul 3, 2007
Thin film magnetic head and manufacturing method thereof
SAE MAGNETICS HK LTD16 citations93
US7227719B2Jun 5, 2007
Thin film magnetic head and method of manufacturing the same
SAE MAGNETICS HK LTD45 citations93
US6950279B2Sep 27, 2005
Thin-film magnetic head with thin-film coil of low resistance
SAE MAGNETICS HK LTD25 citations93
US7310206B2Dec 18, 2007
Magnetic thin film head with heat-assisted write section and hard disk drive incorporating same
SAE MAGNETICS HK LTD27 citations92
US7151647B2Dec 19, 2006
Thin film magnetic head and manufacturing method for creating high surface recording density and including a second yoke portion having two layers of which one is etched to form a narrow portion and a sloped flare portion
SAE MAGNETICS HK LTD19 citations84
US7060207B2Jun 13, 2006
Thin film magnetic head and magnetic recording apparatus having a lowered coil resistance value, reduced generated heat, and high-frequency
SAE MAGNETICS HK LTD12 citations84
US7249408B2Jul 31, 2007
Method of manufacturing a thin-film magnetic head
SAE MAGNETICS HK LTD7 citations74
US7210217B2May 1, 2007
Method of manufacturing thin film magnetic head
SAE MAGNETICS HK LTD5 citations74
US7168156B2Jan 30, 2007
Method of manufacturing a thin-film magnetic head
SAE MAGNETICS HK LTD7 citations74
US7062839B2Jun 20, 2006
Method of manufacturing thin-film magnetic head
SAE MAGNETICS HK LTD9 citations74
US7046480B2May 16, 2006
Thin film magnetic head and manufacturing method thereof
SAE MAGNETICS HK LTD10 citations74
US6977796B2Dec 20, 2005
Wiring pattern and method of manufacturing the same and thin film magnetic head and method of manufacturing the same
SAE MAGNETICS HK LTD10 citations74
US6614624B2Sep 2, 2003
Suspension and head gimbal assembly with the suspension
SAE MAGNETICS HK LTD11 citations74
US8018688B2Sep 13, 2011
Head stack assembly with spacers to partition drive arms
SAE MAGNETICS HK LTD6 citations73
US7165314B2Jan 23, 2007
Method for manufacturing a magnetic head arm assembly (HAA)
SAE MAGNETICS HK LTD7 citations73
US6937443B2Aug 30, 2005
System and method for a three-piece design of a magnetic head assembly
SAE MAGNETICS HK LTD6 citations73
US6859995B2Mar 1, 2005
Universal fixture for HSA assembly and its testing process
SAE MAGNETICS HK LTD5 citations68
US7681302B2Mar 23, 2010
Method for manufacturing a hard disk drive arm
SAE MAGNETICS HK LTD2 citations63
US7420770B2Sep 2, 2008
Magnetic disk drive apparatus having first and second connection sections electronically conducted by pressure contact
SAE MAGNETICS HK LTD6 citations63
US7369355B2May 6, 2008
Magnetic disk drive apparatus and manufacturing method of magnetic disk drive apparatus
SAE MAGNETICS HK LTD2 citations63
US7240418B2Jul 10, 2007
Method of manufacturing slider of thin-film magnetic head
SAE MAGNETICS HK LTD2 citations63
US7185416B2Mar 6, 2007
Method of manufacturing a slider for a thin-film magnetic head
SAE MAGNETICS HK LTD4 citations63
US7159301B2Jan 9, 2007
Method of manufacturing a slider of a thin-film magnetic head
SAE MAGNETICS HK LTD2 citations63
US7155809B2Jan 2, 2007
Method of manufacturing thin-film magnetic head
SAE MAGNETICS HK LTD4 citations63
HEADWAY TECHNOLOGIES INC
17 patentsUS7365942B2Apr 29, 2008
Thin-film magnetic head
HEADWAY TECHNOLOGIES INC20 citations93
US6801407B2Oct 5, 2004
Thin film magnetic head and method of manufacturing the same
HEADWAY TECHNOLOGIES INC27 citations93
US6762911B2Jul 13, 2004
Combination type thin film magnetic head and method of manufacturing the same
HEADWAY TECHNOLOGIES INC22 citations93
US6731464B2May 4, 2004
Slider of thin-film magnetic head
HEADWAY TECHNOLOGIES INC14 citations93
US6541065B1Apr 1, 2003
Thin-film magnetic head and method of manufacturing same
HEADWAY TECHNOLOGIES INC21 citations93
US7721415B2May 25, 2010
Method of manufacturing a thin-film magnetic head
HEADWAY TECHNOLOGIES INC9 citations84
US7492555B2Feb 17, 2009
Thin-film magnetic head structure, method of manufacturing the same, and thin-film magnetic head
HEADWAY TECHNOLOGIES INC8 citations84
US7141357B2Nov 28, 2006
Method of manufacturing thin-film magnetic head
HEADWAY TECHNOLOGIES INC10 citations74
US6865059B2Mar 8, 2005
Slider of thin-film magnetic head
HEADWAY TECHNOLOGIES INC5 citations74
US6718623B2Apr 13, 2004
Magnetoresistive device and method of manufacturing same, and thin-film magnetic head and method of manufacturing same
HEADWAY TECHNOLOGIES INC9 citations74
US7549216B2Jun 23, 2009
Method of manufacturing a thin film magnetic head
HEADWAY TECHNOLOGIES INC3 citations63
US7526857B2May 5, 2009
Method of manufacturing thin-film magnetic head
HEADWAY TECHNOLOGIES INC4 citations63
US7463448B2Dec 9, 2008
Thin film magnetic head having upper and lower poles and a gap film within a trench
HEADWAY TECHNOLOGIES INC5 citations63
US7408740B2Aug 5, 2008
Thin film magnetic head for perpendicular magnetic recording having a main pole with plural grooves in a lower surface thereof and manufacturing method therefore
HEADWAY TECHNOLOGIES INC3 citations63
US7392578B2Jul 1, 2008
Thin film magnetic head and manufacturing method thereof
HEADWAY TECHNOLOGIES INC4 citations63
US7360301B2Apr 22, 2008
Method of manufacturing a thin film magnetic head
HEADWAY TECHNOLOGIES INC6 citations63
US7308753B2Dec 18, 2007
Method of manufacturing slider of thin-film magnetic head
HEADWAY TECHNOLOGIES INC2 citations63
TDK CORP
4 patentsUS6839204B2Jan 4, 2005
Head gimbal assembly with a ground or source voltage lead conductor
TDK CORP52 citations93
US6829818B2Dec 14, 2004
Manufacturing method of a head gimbal assembly
TDK CORP27 citations93
US6945847B2Sep 20, 2005
Method of lapping medium-opposing surface in thin-film magnetic head
TDK CORP8 citations74
US6507459B1Jan 14, 2003
Head slider suspension, head assembly, and information recording and reproducing apparatus with improved wiring pattern
TDK CORP9 citations74
SASAKI YOSHITAKA
2 patentsSAE MAGNETICS HONG KONG LTD
1 patentHEADWEAY TECHNOLOGIES INC
1 patentShowing the top 50 of 84 patents by PatentIndex Score.