Inventor · disambiguated record
Tadashi Ohtaka
Also filed as: OHTAKA TADASHI
8 granted patents·105 citations·filing 1974–2008
85Inventor score
Top patents by PatentIndex Score
8 records- 0184US5424541AScanning electron microscope and method for controlling a scanning electron microscopeHITACHI LTD·Filed 1994·Granted Jun 13, 1995·44 cites·22 claims
- 0282US4658136ASecondary electron detecting apparatusHITACHI LTD·Filed 1985·Granted Apr 14, 1987·30 cites·3 claims
- 0357US4866280AObjective lens of an electron beam apparatusHITACHI LTD·Filed 1989·Granted Sep 12, 1989·10 cites·6 claims
- 0455US5029249AElectron microscopeHITACHI LTD·Filed 1989·Granted Jul 2, 1991·9 cites·16 claims
- 0551US4705950ASpecimen-exchanging apparatusHITACHI LTD·Filed 1986·Granted Nov 10, 1987·8 cites·4 claims
- 0643US8087839B2Printer with frame produced by press-forming sheet metalTAKABATAKE YOSHINARI·Filed 2008·Granted Jan 3, 2012·0 cites·8 claims
- 0741US4006357AApparatus for displaying image of specimenHITACHI LTD·Filed 1974·Granted Feb 1, 1977·4 cites·9 claims
- 0828USD360599SMeasurement scanner for semi-conductorHITACHI LTD·Filed 1994·Granted Jul 25, 1995·0 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →