Inventor · disambiguated record
Sumio Obata
Also filed as: OBATA SUMIO
4 granted patents·34 citations·filing 1992–2006
71Inventor score
Top patents by PatentIndex Score
4 records- 0170US5657176AMethod and apparatus for optimizing the recording and reproducing of information from magnetic disksHITACHI LTD·Filed 1995·Granted Aug 12, 1997·22 cites·3 claims
- 0256US5430581AMethod and apparatus for optimizing the recording and reproducing of information from magnetic disksHITACHI LTD·Filed 1992·Granted Jul 4, 1995·11 cites·13 claims
- 0344US7457068B2Magnetic disk drive with efficient power generationHITACHI GLOBAL STORAGE TECH·Filed 2006·Granted Nov 25, 2008·1 cites·17 claims
- 0434US7488183B2Data storage device and connector disposed thereinHITACHI GLOBAL STORAGE TECH·Filed 2006·Granted Feb 10, 2009·0 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →