Inventor
MATSUNUMA SATOSHI
JP24 patents
⚠️ This page may combine multiple inventors who share the name “MATSUNUMA SATOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI MAXELL
12 patentsUS6602621B2Aug 5, 2003
Magnetic recording medium, method for producing the same, and magnetic storage apparatus
HITACHI MAXELL52 citations94
US7038873B2May 2, 2006
Magnetic recording medium having a specific relation of coercive force HC and residual magnetization MR in perpendicular direction to substrate surface
HITACHI MAXELL37 citations92
US6893746B1May 17, 2005
Magnetic recording medium with high thermal stability, method for producing the same, and magnetic recording apparatus
HITACHI MAXELL43 citations92
US7226674B2Jun 5, 2007
Magnetic recording medium, method for producing the same, and magnetic recording apparatus
HITACHI MAXELL35 citations91
US6815098B2Nov 9, 2004
Magnetic recording medium, method for producing the same, and magnetic storage apparatus
HITACHI MAXELL18 citations91
US6846583B2Jan 25, 2005
Magnetic recording medium and magnetic recording apparatus
HITACHI MAXELL38 citations90
US6866948B2Mar 15, 2005
Magnetic recording medium and magnetic recording apparatus
HITACHI MAXELL18 citations82
US6863998B2Mar 8, 2005
Magnetic recording medium, method for producing the same, and magnetic recording apparatus
HITACHI MAXELL7 citations73
US6846582B2Jan 25, 2005
Magnetic recording medium, method for producing the same, and magnetic storage apparatus
HITACHI MAXELL8 citations72
US7348077B2Mar 25, 2008
Magnetic recording medium and magnetic recording apparatus
HITACHI MAXELL2 citations61
US6699602B2Mar 2, 2004
Amorphous magnetic recording medium, process for producing the same and magnetic recording and reproduction apparatus
HITACHI MAXELL1 citations52
US6994923B2Feb 7, 2006
Magnetic recording medium, method for producing the same, and magnetic recording apparatus
HITACHI MAXELL0 citations40
HITACHI LTD
8 patentsUS6221508B1Apr 24, 2001
Magnetic recording media
HITACHI LTD47 citations96
US5651867AJul 29, 1997
Plasma processing method and apparatus
HITACHI LTD91 citations95
US6569545B1May 27, 2003
Magnetic recording medium and a magnetic storage apparatus
HITACHI LTD24 citations93
US6511761B1Jan 28, 2003
Magnetic recording media and magnetic storage apparatus
HITACHI LTD25 citations93
US5409738AApr 25, 1995
Recording medium
HITACHI LTD45 citations91
US6574060B2Jun 3, 2003
Magnetic storage apparatus
HITACHI LTD9 citations74
US5104709AApr 14, 1992
Magnetic recording medium which includes a protective layer, an adhesion strengthening substance and a lubricant layer
HITACHI LTD15 citations73
US6924048B2Aug 2, 2005
Magnetic recording medium and a magnetic storage apparatus
HITACHI LTD4 citations63