Inventor · disambiguated record
Masahiko Ogirima
Also filed as: MAKI M · OGIRIMA MASAHIKO
8 granted patents·148 citations·filing 1971–1988
87Inventor score
Files withHITACHI LTD8
Top patents by PatentIndex Score
8 records- 0188US4276114ASemiconductor substrate and a manufacturing method thereofHITACHI LTD·Filed 1979·Granted Jun 30, 1981·54 cites·11 claims
- 0281US4458410AMethod of forming electrode of semiconductor deviceHITACHI LTD·Filed 1982·Granted Jul 10, 1984·37 cites·22 claims
- 0371US4000716AEpitaxial growth deviceHITACHI LTD·Filed 1971·Granted Jan 4, 1977·17 cites·17 claims
- 0459US4007074AMethod of making an epitaxial growth layer of GaAs1-x Px compound semiconductorHITACHI LTD·Filed 1971·Granted Feb 8, 1977·13 cites·18 claims
- 0546US4126880AGermanium-containing silicon nitride filmHITACHI LTD·Filed 1977·Granted Nov 21, 1978·10 cites·15 claims
- 0641US4819055ASemiconductor device having a PN junction formed on an insulator filmHITACHI LTD·Filed 1988·Granted Apr 4, 1989·8 cites·2 claims
- 0738US4860086ASemiconductor deviceHITACHI LTD·Filed 1987·Granted Aug 22, 1989·9 cites·12 claims
- 0827US4373975AMethod of diffusing an impurityHITACHI LTD·Filed 1981·Granted Feb 15, 1983·0 cites·25 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →