Inventor · disambiguated record
Eiji Okubo
Also filed as: OKUBO EIJI
3 granted patents·24 citations·filing 1982–2007
65Inventor score
Top patents by PatentIndex Score
3 records- 0178US7995450B2Optical element feeding device and optical pickup unit using the sameHITACHI MEDIA ELECTRON KK·Filed 2007·Granted Aug 9, 2011·4 cites·18 claims
- 0264US7675832B2Optical element feeding device driving method and optical disk apparatusHITACHI MEDIA ELECTRON KK·Filed 2007·Granted Mar 9, 2010·1 cites·8 claims
- 0358US4611335ADigital data synchronizing circuitHITACHI LTD·Filed 1982·Granted Sep 9, 1986·19 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →