Inventor
ARITA YOUJI
6 patents
⚠️ This page may combine multiple inventors who share the name “ARITA YOUJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD
3 patentsUS6731446B2May 4, 2004
Method for forming a magnetic pattern in a magnetic recording medium, method for producing a magnetic recording medium, magnetic pattern forming device, magnetic recording medium and magnetic recording device
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD67 citations95
US6816330B2Nov 9, 2004
Method for forming a magnetic pattern in a magnetic recording medium, magnetic recording medium magnetic recording device and photomask
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD27 citations91
US6744583B2Jun 1, 2004
Method for forming a magnetic pattern in a magnetic recording medium, a magnetic pattern forming device, a magnetic recording medium and a magnetic recording device
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD15 citations83