Inventor · disambiguated record
Koumei Hanaoka
Also filed as: HANAOKA KOUMEI
4 granted patents·1 pending application·17 citations·filing 1995–2024
70Inventor score
Top patents by PatentIndex Score
5 records- 0175US7561369B2Drive unitHITACHI GLOBAL STORAGE TECH·Filed 2007·Granted Jul 14, 2009·3 cites·3 claims
- 0247US2025356878A1Tape Head Assembly with Piezoelectric ActuatorWESTERN DIGITAL TECH INC·Filed 2024·Application pending·0 cites
- 0343US6144046APower inverter having series connection of semiconductor devices each having an inverse parallel connection of an insulated gate bipolar transistor and a diodeHITACHI LTD·Filed 1997·Granted Nov 7, 2000·10 cites·22 claims
- 0440US11735223B2Head suspension system for a tape driveWESTERN DIGITAL TECH INC·Filed 2021·Granted Aug 22, 2023·0 cites·19 claims
- 0534US5701018ASemiconductor device having parallel connection of an insulated gate bipolar transistor and a diodeHITACHI LTD·Filed 1995·Granted Dec 23, 1997·4 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →