P

Inventor

MIYATA KEIZO

JP31 patents
⚠️ This page may combine multiple inventors who share the name “MIYATA KEIZO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD

22 patents
US7019938B2Mar 28, 2006

Head positioning method, and disk apparatus using the same

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD21 citations92
US6466385B1Oct 15, 2002

Method and apparatus of forming a magnetic disk with a servo sector and a data sector on a spiral track

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD25 citations90
US6950274B2Sep 27, 2005

Disk storage apparatus and disk storage apparatus control method

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD14 citations84
US6950271B2Sep 27, 2005

Disk drive and disk drive control method

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD12 citations84
US6611388B1Aug 26, 2003

Master information magnetic recorder

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD15 citations84
US6858328B1Feb 22, 2005

Master information support

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD15 citations83
US7095575B2Aug 22, 2006

Magnetic disk apparatus, method for determining data track pitch, and self-servo write method

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD7 citations74
US7038877B2May 2, 2006

Head positioning apparatus

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD8 citations74
US6903896B2Jun 7, 2005

Head positioning method, and disk apparatus using the same

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD11 citations74
US7057834B2Jun 6, 2006

Master information carrier and method for manufacturing magnetic disc using the same

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD8 citations73
US6982848B2Jan 3, 2006

Disk apparatus and head positioning method

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD7 citations73
US6858329B2Feb 22, 2005

Master disc and method for manufacturing magnetic disc using the same

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD11 citations73
US6714367B1Mar 30, 2004

Master information medium and method of master information recording

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD7 citations73
US6665133B1Dec 16, 2003

Magnetic transfer method and magnetic transfer device

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD11 citations72
US7220323B2May 22, 2007

Cleaning method for magnetic transfer carrier

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD4 citations63
US6980380B2Dec 27, 2005

Master information carrier and method for manufacturing magnetic disk

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD3 citations63
US7061703B2Jun 13, 2006

Master information carrier and method for manufacturing magnetic disc using the same

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD4 citations62
US6859339B2Feb 22, 2005

Master information magnetic recording apparatus and method for manufacturing magnetic recording medium in which information is recorded by using this

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD2 citations62
US6646820B1Nov 11, 2003

Method for recording magnetic recording medium

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD6 citations62
US6994029B2Feb 7, 2006

Magnetic transfer method and magnetic transfer device

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD4 citations61
US6821869B2Nov 23, 2004

Photomask, method of generating resist pattern, and method of fabricating master information carrier

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD3 citations61
US6781777B2Aug 24, 2004

Master information carrier and method for manufacturing information recording medium using the same

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD1 citations52

ISHIHARA SANGYO KAISHA

4 patents

NGK INSULATORS LTD

2 patents

MIYATA KEIZO

1 patent

SEIKO EPSON CORP

1 patent

SUTO MASATO

1 patent