Inventor · disambiguated record
Ryuma Sakamoto
Also filed as: SAKAMOTO RYUMA
2 granted patents·156 citations·filing 1998–2001
70Inventor score
Technology areasG11B
Files withFUJITSU LTD2
Top patents by PatentIndex Score
2 records- 0194US6538854B2Actuator using piezoelectric element and head-positioning mechanism using the actuatorFUJITSU LTD·Filed 2001·Granted Mar 25, 2003·59 cites·21 claims
- 0293US6327120B1Actuator using piezoelectric element and head-positioning mechanism using the actuatorFUJITSU LTD·Filed 1998·Granted Dec 4, 2001·97 cites·33 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →