Inventor · disambiguated record
Katsuhiko Sakai
Also filed as: SAKAI KATSUHIKO
15 granted patents·391 citations·filing 1989–2019
94Inventor score
Files withHITACHI LTD5HITACHI HIGH TECH CORP3FUJITSU LTD1FUJITSU MICROELECTRONICS LTD1HITACHI CABLE1
Top patents by PatentIndex Score
15 records- 0196US5668368AApparatus for suppressing electrification of sample in charged beam irradiation apparatusHITACHI LTD·Filed 1996·Granted Sep 16, 1997·98 cites·19 claims
- 0293US7214936B2Charged particle beam apparatus and dimension measuring methodHITACHI HIGH TECH CORP·Filed 2005·Granted May 8, 2007·15 cites·9 claims
- 0392US4939360AParticle beam irradiating apparatus having charge suppressing device which applies a bias voltage between a change suppressing particle beam source and the specimenHITACHI LTD·Filed 1989·Granted Jul 3, 1990·56 cites·8 claims
- 0489US5576538AApparatus and method for ion beam neutralizationHITACHI LTD·Filed 1995·Granted Nov 19, 1996·47 cites·22 claims
- 0588US7449926B2Circuit for asynchronously resetting synchronous circuitFUJITSU LTD·Filed 2006·Granted Nov 11, 2008·21 cites·7 claims
- 0686US7679411B2Reset signal generation circuitFUJITSU MICROELECTRONICS LTD·Filed 2008·Granted Mar 16, 2010·18 cites·12 claims
- 0785US7973282B2Charged particle beam apparatus and dimension measuring methodHITACHI HIGH TECH CORP·Filed 2007·Granted Jul 5, 2011·6 cites·16 claims
- 0885US5466929AApparatus and method for suppressing electrification of sample in charged beam irradiation apparatusHITACHI LTD·Filed 1993·Granted Nov 14, 1995·37 cites·17 claims
- 0982US6858059B2Electron beam melting method for metallic materialTOHO TITANIUM CO LTD·Filed 2002·Granted Feb 22, 2005·14 cites·15 claims
- 1075US8030614B2Charged particle beam apparatus and dimension measuring methodHITACHI HIGH TECH CORP·Filed 2009·Granted Oct 4, 2011·2 cites·12 claims
- 1165US5907053AMethod for preparing acrylonitrileFiled 1996·Granted May 25, 1999·9 cites·10 claims
- 1264US6043490AVibration cancellation system for a charged particle beam apparatusHITACHI LTD·Filed 1998·Granted Mar 28, 2000·17 cites·7 claims
- 1356US5126571ASemiconductor manufacturing apparatusSAKAI KATSUHIKO·Filed 1990·Granted Jun 30, 1992·31 cites·11 claims
- 1453US6252351B1Light emitting diode arrayHITACHI CABLE·Filed 1998·Granted Jun 26, 2001·20 cites·8 claims
- 1549US11570206B2Control system, control determination device, and control methodNIPPON TELEGRAPH & TELEPHONE·Filed 2019·Granted Jan 31, 2023·0 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →