Inventor · disambiguated record
Akihiro Ashida
Also filed as: ASHIDA AKIHIRO
13 granted patents·2 pending applications·26 citations·filing 1991–2021
84Inventor score
Files withHITACHI ASTEMO LTD5HITACHI-LG DATA STORAGE INC4ASHIDA AKIHIRO2HITACHI AUTOMOTIVE SYSTEMS LTD2MATSUSHITA ELECTRIC INDUSTRIAL CO LTD2
Top patents by PatentIndex Score
15 records- 0170US5227193AMethod for manufacturing magnetic headMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1991·Granted Jul 13, 1993·20 cites·14 claims
- 0268US11558000B2Motor control device and electric vehicle system using the sameHITACHI ASTEMO LTD·Filed 2019·Granted Jan 17, 2023·1 cites·16 claims
- 0366US8023377B2Optical disc device and tracking and slider control methodHITACHI LG DATA STORAGE INC·Filed 2008·Granted Sep 20, 2011·2 cites·10 claims
- 0463US11984821B2Inverter control deviceHITACHI ASTEMO LTD·Filed 2020·Granted May 14, 2024·0 cites·10 claims
- 0555US12170497B2Inverter control device and electric vehicle systemHITACHI ASTEMO LTD·Filed 2021·Granted Dec 17, 2024·0 cites·8 claims
- 0655US12149183B2Inverter control device and electric vehicle systemHITACHI ASTEMO LTD·Filed 2020·Granted Nov 19, 2024·0 cites·5 claims
- 0755US11646690B2Motor control device and electric vehicle systemHITACHI ASTEMO LTD·Filed 2019·Granted May 9, 2023·0 cites·18 claims
- 0853US7760604B2Optical disc device and tracking control methodHITACHI LG DATA STORAGE INC·Filed 2007·Granted Jul 20, 2010·0 cites·5 claims
- 0948US10826410B2Inverter device and electric vehicleHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2018·Granted Nov 3, 2020·0 cites·6 claims
- 1046US10873285B2Inverter drive device and electrically driven vehicle system using the sameHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2017·Granted Dec 22, 2020·0 cites·4 claims
- 1143US8315131B2Optical disc apparatus and back off control method for objective lensASHIDA AKIHIRO·Filed 2006·Granted Nov 20, 2012·0 cites·8 claims
- 1236US6150044AMagnetic headMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1994·Granted Nov 21, 2000·3 cites·4 claims
- 1333US2016267936A1Hologram recording and reproducing apparatusHITACHI-LG DATA STORAGE INC·Filed 2016·Application pending·0 cites
- 1431US9484057B2Hologram recording and reproducing apparatusHITACHI-LG DATA STORAGE INC·Filed 2016·Granted Nov 1, 2016·0 cites·4 claims
- 1531US2011249541A1Optical disc unit and servo control method for actuator thereofASHIDA AKIHIRO·Filed 2011·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →