Inventor · disambiguated record
Nobutaka Ohnuki
Also filed as: OHNUKI NOBUTAKA
4 granted patents·83 citations·filing 1978–1986
79Inventor score
Files withHITACHI LTD4
Top patents by PatentIndex Score
4 records- 0175US4740939AApparatus for reproducing information recorded on a diskHITACHI LTD·Filed 1986·Granted Apr 26, 1988·22 cites·2 claims
- 0273US4712218AMethod of and apparatus for driving semiconductor laserHITACHI LTD·Filed 1984·Granted Dec 8, 1987·16 cites·15 claims
- 0367US4805163ATracking control unit in information reproducing apparatusHITACHI LTD·Filed 1986·Granted Feb 14, 1989·16 cites·7 claims
- 0466US4163876AElectro-acoustic transducer with variable thickness foam surfaced diaphragmHITACHI LTD·Filed 1978·Granted Aug 7, 1979·29 cites·5 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →