Inventor
AKAMATSU KIYOSHI
JP9 patents
⚠️ This page may combine multiple inventors who share the name “AKAMATSU KIYOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
6 patentsUS6801397B2Oct 5, 2004
Glass substrate for a magnetic disk, a magnetic disk which can be formed with a stable texture and a magnetic disk device
HITACHI LTD14 citations92
US6577472B2Jun 10, 2003
Glass substrate for a magnetic disk, a magnetic disk which can be formed with a stable texture
HITACHI LTD23 citations92
US6096445AAug 1, 2000
Substrate for a magnetic recording medium, the magnetic recording medium, and a method of producing the same
HITACHI LTD29 citations92
US6937445B2Aug 30, 2005
Recording/reproducing separated type head with heat radiating structure
HITACHI LTD2 citations62
US6690544B2Feb 10, 2004
Magnetic head and magnetic head manufacturing method
HITACHI LTD0 citations51
US6504680B2Jan 7, 2003
Magnetic head and magnetic head manufacturing method
HITACHI LTD0 citations51
HITACHI GLOBAL STORAGE TECH
2 patentsUS7035049B2Apr 25, 2006
Glass substrate for a magnetic disk, a magnetic disk which can be formed with a stable texture and a magnetic disk device
HITACHI GLOBAL STORAGE TECH64 citations97
US7259936B2Aug 21, 2007
Glass substrate for a magnetic disk, a magnetic disk which can be formed with a stable texture and a magnetic disk device
HITACHI GLOBAL STORAGE TECH1 citations62