Inventor · disambiguated record
Sigeru Sano
Also filed as: SANO SIGERU
3 granted patents·62 citations·filing 1993–1999
74Inventor score
Technology areasG11B
Files withHITACHI LTD3
Top patents by PatentIndex Score
3 records- 0184US5504646AMagnetic disk including protective layer having surface with protusions and magnetic disk apparatus including the magnetic diskHITACHI LTD·Filed 1993·Granted Apr 2, 1996·29 cites·23 claims
- 0277US6303205B1Magnetic disk including protective layer having surface with protrusions, and substrate thereforHITACHI LTD·Filed 1999·Granted Oct 16, 2001·24 cites·12 claims
- 0355US5930073AMagnetic disk including protective layer having surface with magnetic disk including protrusions, and magnetic disk apparatus including the magnetic diskHITACHI LTD·Filed 1996·Granted Jul 27, 1999·9 cites·21 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →