Inventor
ONUMA TSUYOSHI
JP7 patents
⚠️ This page may combine multiple inventors who share the name “ONUMA TSUYOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI MAXELL
6 patentsUS6602621B2Aug 5, 2003
Magnetic recording medium, method for producing the same, and magnetic storage apparatus
HITACHI MAXELL52 citations94
US6815098B2Nov 9, 2004
Magnetic recording medium, method for producing the same, and magnetic storage apparatus
HITACHI MAXELL18 citations91
US6970400B1Nov 29, 2005
Information recording medium with magnetic marks, recording and reproducing apparatus therefor, and head positioning method using detected magnetic leakage fields from the magnetic marks
HITACHI MAXELL14 citations83
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
US6994923B2Feb 7, 2006
Magnetic recording medium, method for producing the same, and magnetic recording apparatus
HITACHI MAXELL0 citations40