Inventor · disambiguated record
Yasuhiro Tokumaru
Also filed as: TOKUMARU YASUHIRO
3 granted patents·7 citations·filing 2005–2010
55Inventor score
Top patents by PatentIndex Score
3 records- 0169US7679321B2Power circuitMITSUMI ELECTRIC CO LTD·Filed 2005·Granted Mar 16, 2010·7 cites·5 claims
- 0240US7903361B2Method of detecting scratch defect in circumferential direction and magnetic disk certifierHITACHI HIGH TECH CORP·Filed 2007·Granted Mar 8, 2011·0 cites·16 claims
- 0336US8457926B2Disk protrusion detection/flatness measurement circuit and disk glide testerSHITARA KENICHI·Filed 2010·Granted Jun 4, 2013·0 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →