Inventor · disambiguated record
Keigo Kasuya
Also filed as: KASUYA KEIGO
17 granted patents·2 pending applications·22 citations·filing 2009–2022
89Inventor score
Top patents by PatentIndex Score
19 records- 0185US10707046B2Electron source and electron beam device using the sameHITACHI HIGH TECH CORP·Filed 2017·Granted Jul 7, 2020·3 cites·13 claims
- 0285US8426835B2Charged particle radiation deviceKASUYA KEIGO·Filed 2010·Granted Apr 23, 2013·8 cites·20 claims
- 0382US9837243B2Ion pump and charged particle beam device using the sameHITACHI LTD·Filed 2016·Granted Dec 5, 2017·3 cites·13 claims
- 0481US10903037B2Charged particle beam deviceHITACHI HIGH TECH CORP·Filed 2019·Granted Jan 26, 2021·2 cites·13 claims
- 0579US10522319B2Electron beam apparatusHITACHI HIGH TECH CORP·Filed 2016·Granted Dec 31, 2019·2 cites·15 claims
- 0670US10804084B2Vacuum apparatusHITACHI HIGH TECH CORP·Filed 2015·Granted Oct 13, 2020·1 cites·15 claims
- 0770US8319193B2Charged particle beam apparatus, and method of controlling the sameKASUYA KEIGO·Filed 2009·Granted Nov 27, 2012·2 cites·11 claims
- 0864US12400823B2Electron source, method of manufacturing the same, and electron beam apparatus using the sameHITACHI HIGH TECH CORP·Filed 2020·Granted Aug 26, 2025·0 cites·15 claims
- 0964US8772735B2Charged particle beam apparatus, and method of controlling the sameKASUYA KEIGO·Filed 2012·Granted Jul 8, 2014·1 cites·14 claims
- 1061US12469665B2Charged particle beam deviceHITACHI HIGH TECH CORP·Filed 2021·Granted Nov 11, 2025·0 cites·22 claims
- 1158US12469664B2Charged particle gun and charged particle beam systemHITACHI HIGH TECH CORP·Filed 2020·Granted Nov 11, 2025·0 cites·14 claims
- 1258US12394585B2Electron source, electron gun, and charged particle beam deviceHITACHI HIGH TECH CORP·Filed 2020·Granted Aug 19, 2025·0 cites·17 claims
- 1357US12494338B2Electron source, electron beam device, and method for manufacturing electron sourceHITACHI HIGH TECH CORP·Filed 2019·Granted Dec 9, 2025·0 cites·8 claims
- 1454US2025273422A1Charged particle beam deviceHITACHI HIGH TECH CORP·Filed 2022·Application pending·0 cites
- 1551US11894211B2Electron beam apparatus and method for controlling electron beam apparatusHITACHI HIGH TECH CORP·Filed 2019·Granted Feb 6, 2024·0 cites·12 claims
- 1651US11322329B2Electron source, method for manufacturing the same, and electron beam device using the sameHITACHI HIGH TECH CORP·Filed 2018·Granted May 3, 2022·0 cites·11 claims
- 1748US11508544B2Thermoelectric field emission electron source and electron beam application deviceHITACHI HIGH TECH CORP·Filed 2018·Granted Nov 22, 2022·0 cites·21 claims
- 1847US10586674B2Field emission electron source, method for manufacturing same, and electron beam deviceHITACHI HIGH TECH CORP·Filed 2016·Granted Mar 10, 2020·0 cites·11 claims
- 1941US2022199349A1Electron source and charged particle beam deviceHITACHI HIGH TECH CORP·Filed 2019·Application pending·0 cites
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