Inventor · disambiguated record
Hiroyasu Kaga
Also filed as: KAGA HIROYASU
18 granted patents·82 citations·filing 1986–2011
93Inventor score
Top patents by PatentIndex Score
18 records- 0191US7420181B2Liquid metal ion gunHITACHI HIGH TECH CORP·Filed 2007·Granted Sep 2, 2008·10 cites·13 claims
- 0288US7323697B2Wafer alignment method for dual beam systemHITACHI HIGH TECH CORP·Filed 2005·Granted Jan 29, 2008·10 cites·13 claims
- 0388US7211805B2Liquid metal ion gunHITACHI HIGH TECH CORP·Filed 2005·Granted May 1, 2007·8 cites·3 claims
- 0486US7189982B2Focused ion beam apparatus and apertureHITACHI HIGH TECH CORP·Filed 2005·Granted Mar 13, 2007·8 cites·10 claims
- 0584US7956336B2Focused ion beam apparatusHITACHI HIGH TECH CORP·Filed 2009·Granted Jun 7, 2011·7 cites·16 claims
- 0684US7804073B2Liquid metal ion gunHITACHI HIGH TECH CORP·Filed 2008·Granted Sep 28, 2010·5 cites·13 claims
- 0782US7005651B2Liquid metal ion gunHITACHI HIGH TECH CORP·Filed 2004·Granted Feb 28, 2006·12 cites·8 claims
- 0879US8847173B2Gas field ion source and method for using same, ion beam device, and emitter tip and method for manufacturing sameKAWANAMI YOSHIMI·Filed 2011·Granted Sep 30, 2014·5 cites·9 claims
- 0972US7435972B2Focused ion beam apparatus and liquid metal ion sourceHITACHI HIGH TECH CORP·Filed 2007·Granted Oct 14, 2008·2 cites·8 claims
- 1071US7573049B2Wafer alignment method for dual beam systemHITACHI HIGH TECH CORP·Filed 2007·Granted Aug 11, 2009·2 cites·8 claims
- 1168US7705329B2Charged particle beam processing apparatusHITACHI HIGH TECH CORP·Filed 2008·Granted Apr 27, 2010·2 cites·16 claims
- 1266US7667209B2Focused ION beam apparatusHITACHI HIGH TECH CORP·Filed 2007·Granted Feb 23, 2010·1 cites·12 claims
- 1352US6815608B2High-voltage electric apparatusHITACHI LTD·Filed 2002·Granted Nov 9, 2004·3 cites·10 claims
- 1451US7601971B2Charged beam gunHITACHI HIGH TECH CORP·Filed 2007·Granted Oct 13, 2009·0 cites·9 claims
- 1550US8399863B2Charged particle beam apparatus using an electrostatic lens gunKAGA HIROYASU·Filed 2009·Granted Mar 19, 2013·0 cites·5 claims
- 1641US5059792AThermal field emission electron gunHITACHI LTD·Filed 1990·Granted Oct 22, 1991·5 cites·8 claims
- 1734US4772821AApparatus for introducing oxygen gasHITACHI LTD·Filed 1986·Granted Sep 20, 1988·2 cites·4 claims
- 1829US8581484B2Liquid metal ion gunKAGA HIROYASU·Filed 2010·Granted Nov 12, 2013·0 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →