Inventor · disambiguated record
Keizou Miyata
Also filed as: MIYATA KEIZOU · RYONAI HIROSHI · YOSHIMOTO KAZUNARI
11 granted patents·468 citations·filing 1996–2003
93Inventor score
Technology areasG11B
Files withMATSUSHITA ELECTRIC INDUSTRIAL CO LTD11
Top patents by PatentIndex Score
11 records- 0198US6347016B1Master information carrier, process for producing the carrier, and method and apparatus for recording master information signal on magnetic recording medium by using the carrierMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1997·Granted Feb 12, 2002·292 cites·16 claims
- 0290US6529341B1Magnetic recording/reproduction device using preformat informationMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1998·Granted Mar 4, 2003·67 cites·29 claims
- 0389US6606208B2Master information carrier, method for producing the carrier, method and apparatus for writing information into magnetic record medium using the carrierMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Aug 12, 2003·18 cites·11 claims
- 0486US6567227B2Master information carrier, method for producing the carrier, method and apparatus for writing information into magnetic record medium using the carrierMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted May 20, 2003·14 cites·9 claims
- 0584US6606209B2Master information carrier, method for producing the carrier, method and apparatus for writing information into magnetic record medium using the carrierMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Aug 12, 2003·11 cites·5 claims
- 0682US6961196B2Master information carrier, method for producing the carrier, method and apparatus for writing information into magnetic record medium using the carrierMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Nov 1, 2005·9 cites·23 claims
- 0777US6242085B1Magnetic recording medium and method for producing the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1998·Granted Jun 5, 2001·30 cites·16 claims
- 0872US6587290B2Master information carrier, method for producing the carrier, and method apparatus for writing information into magnetic record medium using the carrierMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Jul 1, 2003·5 cites·8 claims
- 0969US6590727B2Master information carrier, method for producing the carrier, method and apparatus for writing information into magnetic record medium using the carrierMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Jul 8, 2003·4 cites·12 claims
- 1060US6069776ATubular rotary head cleaner having a non-woven fabric for a magnetic recording and/or reproducing apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1999·Granted May 30, 2000·12 cites·1 claims
- 1145US5973892AHead cleaner for magnetic recording/reproducing apparatus having a cleaning roller with abrading capabilityMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1996·Granted Oct 26, 1999·6 cites·6 claims
Join the waitlist — get patent alerts
Get an alert when Keizou Miyata files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →