Inventor · disambiguated record
Osami Okada
Also filed as: OKADA OSAMI
13 granted patents·1,148 citations·filing 1981–1996
94Inventor score
Files withHITACHI LTD13
Top patents by PatentIndex Score
13 records- 0199US4579623AMethod and apparatus for surface treatment by plasmaHITACHI LTD·Filed 1984·Granted Apr 1, 1986·654 cites·33 claims
- 0296US4543465AMicrowave plasma source having improved switching operation from plasma ignition phase to normal ion extraction phaseHITACHI LTD·Filed 1983·Granted Sep 24, 1985·108 cites·11 claims
- 0395US4901667ASurface treatment apparatusHITACHI LTD·Filed 1986·Granted Feb 20, 1990·103 cites·17 claims
- 0493US4433228AMicrowave plasma sourceHITACHI LTD·Filed 1981·Granted Feb 21, 1984·43 cites·20 claims
- 0583US4769540AAtmospheric pressure ionization mass spectrometerHITACHI LTD·Filed 1986·Granted Sep 6, 1988·25 cites·4 claims
- 0683US4658143AIon sourceHITACHI LTD·Filed 1985·Granted Apr 14, 1987·29 cites·33 claims
- 0782US4633138AIon implanterHITACHI LTD·Filed 1985·Granted Dec 30, 1986·43 cites·4 claims
- 0876US4801847ACharged particle accelerator using quadrupole electrodesHITACHI LTD·Filed 1984·Granted Jan 31, 1989·26 cites·8 claims
- 0971US5108543AMethod of surface treatmentHITACHI LTD·Filed 1988·Granted Apr 28, 1992·36 cites·12 claims
- 1067US4863671APlasma confinement systemHITACHI LTD·Filed 1987·Granted Sep 5, 1989·23 cites·7 claims
- 1157US4735777AInstrument for parallel analysis of metabolites in human urine and expired airHITACHI LTD·Filed 1986·Granted Apr 5, 1988·51 cites·15 claims
- 1240US4629930APlasma ion sourceHITACHI LTD·Filed 1983·Granted Dec 16, 1986·4 cites·5 claims
- 1338USRE35681EAtmospheric pressure ionization mass spectrometerHITACHI LTD·Filed 1996·Granted Dec 2, 1997·3 cites·4 claims
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