Inventor · disambiguated record
Keisuke Igarashi
Also filed as: IGARASHI KEISUKE
9 granted patents·4 pending applications·193 citations·filing 1998–2024
86Inventor score
Top patents by PatentIndex Score
13 records- 0187US6194993B1Reader and/or writer apparatus, power feeding system, and communication systemHITACHI LTD·Filed 1998·Granted Feb 27, 2001·89 cites·29 claims
- 0286US8063326B2Illuminating structure of key operating unit, electronic apparatus, portable apparatus, and illuminating method of key operating unitIGARASHI KEISUKE·Filed 2010·Granted Nov 22, 2011·14 cites·16 claims
- 0384US6608550B2Reader and/or writer apparatus, power feeding system, and communication systemHITACHI LTD·Filed 2000·Granted Aug 19, 2003·34 cites·10 claims
- 0484US6595418B1Enhanced article management system and methodHITACHI INT ELECTRIC INC·Filed 2000·Granted Jul 22, 2003·55 cites·30 claims
- 0570US10845323B2Ion sensor, ion concentration measurement method, and electronic componentUNIV WASEDA·Filed 2017·Granted Nov 24, 2020·1 cites·15 claims
- 0668US2025232145A1Print data generation device and print data generation methodSTAR MFG CO·Filed 2024·Application pending·0 cites
- 0760US12114624B2Utility work deviceKUBOTA KK·Filed 2019·Granted Oct 15, 2024·0 cites·20 claims
- 0855US2003187740A1Advertisement delivery method and advertisement delivery programFUJITSU LTD·Filed 2003·Application pending·0 cites
- 0952US12391168B2Headlight deviceMITSUBISHI ELECTRIC CORP·Filed 2021·Granted Aug 19, 2025·0 cites·9 claims
- 1051US12368017B2Charged particle beam apparatus and focus adjusting method thereforHITACHI HIGH TECH CORP·Filed 2020·Granted Jul 22, 2025·0 cites·11 claims
- 1143US2019179583A1Device state monitoring system, device state monitoring apparatus, and device state monitoring methodSTAR MFG CO·Filed 2019·Application pending·0 cites
- 1237US12170184B2Transmission electron microscope and inspection method using transmission electron microscopeHITACHI HIGH TECH CORP·Filed 2019·Granted Dec 17, 2024·0 cites·12 claims
- 1335US2016281949A1Vehicle lighting fixtureSTANLEY ELECTRIC CO LTD·Filed 2016·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →