Inventor · disambiguated record
Masafumi Okuma
Also filed as: OKUMA MASAFUMI
6 granted patents·2 pending applications·35 citations·filing 2002–2022
80Inventor score
Top patents by PatentIndex Score
8 records- 0183US7819585B2Fluid dynamic bearing apparatus and a motor using the sameNTN TOYO BEARING CO LTD·Filed 2005·Granted Oct 26, 2010·7 cites·19 claims
- 0277US6869228B2Ferrule and metallic die assembly for making the sameACT ONE KK·Filed 2002·Granted Mar 22, 2005·19 cites·17 claims
- 0369US8002471B2Fluid dynamic bearing apparatus and a motor using the sameNTN TOYO BEARING CO LTD·Filed 2010·Granted Aug 23, 2011·2 cites·12 claims
- 0460US8931175B2Fluid dynamic bearing deviceMORI NATSUHIKO·Filed 2012·Granted Jan 13, 2015·1 cites·10 claims
- 0558US6832857B2Plastic optical fiber ferruleACT ONE KK·Filed 2002·Granted Dec 21, 2004·4 cites·10 claims
- 0656USD1024815SProbe for measuring electrical characteristicsOKINS ELECTRONICS CO LTD·Filed 2022·Granted Apr 30, 2024·2 cites·1 claims
- 0749US2008212908A1Fluid Dynamic Bearing DeviceNTN TOYO BEARING CO LTD·Filed 2006·Application pending·0 cites
- 0833US2003235373A1Multi-core ferrule and metallic die assembly for making the sameACT ONE KK·Filed 2002·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →