Inventor · disambiguated record
Toshiyasu Hattori
Also filed as: HATTORI TOSHIYASU
8 granted patents·135 citations·filing 1988–2005
88Inventor score
Technology areasG11B
Top patents by PatentIndex Score
8 records- 0195US7016191B2Disk array deviceHITACHI LTD·Filed 2004·Granted Mar 21, 2006·57 cites·20 claims
- 0281US7057892B2Disk array deviceHITACHI LTD·Filed 2005·Granted Jun 6, 2006·4 cites·20 claims
- 0370US5172362ARecording medium loading mechanismHIRACHI LTD·Filed 1992·Granted Dec 15, 1992·22 cites·15 claims
- 0464US5050158AMagnetic clamp for a disk mediumHITACHI LTD·Filed 1988·Granted Sep 17, 1991·14 cites·9 claims
- 0559US5668787AMark length recording system with trial writing to maximize recording power and error recoveryHITACHI LTD·Filed 1996·Granted Sep 16, 1997·11 cites·5 claims
- 0658US5420832AHalf height magnetooptical-disk recording and/or reproducing apparatus for a 5.25 inch large capacity magnetooptical-diskHITACHI LTD·Filed 1993·Granted May 30, 1995·9 cites·12 claims
- 0756US5537370AMagnetooptical-disk recording and/or reproducing apparatus for a 5.25 inch large capacity magnetooptical-diskHITACHI LTD·Filed 1995·Granted Jul 16, 1996·10 cites·12 claims
- 0845US6320836B1Apparatus for ensuring operational clearance between a rotating disc type medium and a disc cartridge enclosing the mediumHITACHI LTD·Filed 1995·Granted Nov 20, 2001·8 cites·3 claims
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