P

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 patents
US6602621B2Aug 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 patents

HITACHI GLOBAL STORAGE TECH

1 patent

NIPPON SYNTHETIC CHEM IND

1 patent

MAXELL LTD

1 patent

FUJIMURA KEISUKE

1 patent