Inventor · disambiguated record
Yoichi Hirayama
Also filed as: HIRAYAMA YOICHI
5 granted patents·1 pending application·59 citations·filing 1985–2014
75Inventor score
Top patents by PatentIndex Score
6 records- 0180US4704715AInformation communication systemTOSHIBA KK·Filed 1985·Granted Nov 3, 1987·50 cites·11 claims
- 0275US9312094B2Charged particle beam deviceAKIMA HISANAO·Filed 2012·Granted Apr 12, 2016·5 cites·9 claims
- 0375US8035086B2Aberration correction apparatus that corrects spherical aberration of charged particle apparatusHITACHI LTD·Filed 2009·Granted Oct 11, 2011·4 cites·9 claims
- 0450US2009242786A1Aberration corrector for transmission electron microscopeHITACHI LTD·Filed 2009·Application pending·0 cites
- 0549US9715991B2Charged particle beam device and spherical aberration correction methodHITACHI HIGH TECH CORP·Filed 2014·Granted Jul 25, 2017·0 cites·12 claims
- 0630US8791423B2Aberration correction device and charged particle beam device employing sameHIRAYAMA YOICHI·Filed 2011·Granted Jul 29, 2014·0 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →