Inventor · disambiguated record
Ikuo Katoh
Also filed as: KATOH IKUO
16 granted patents·2 pending applications·271 citations·filing 1987–2022
93Inventor score
Top patents by PatentIndex Score
18 records- 0197US6514328B1Marking ink composition and display medium using the sameRICOH KK·Filed 2000·Granted Feb 4, 2003·111 cites·24 claims
- 0296US7322700B2Image display apparatusRICOH KK·Filed 2006·Granted Jan 29, 2008·41 cites·13 claims
- 0383US7215861B2Optical control deviceNAT UNIV CORP YOKOHAMA NAT UNI·Filed 2005·Granted May 8, 2007·11 cites·13 claims
- 0479US7125121B2Image display apparatusRICOH KK·Filed 2003·Granted Oct 24, 2006·15 cites·36 claims
- 0575US5719981AOpto-electric deviceRICOH KK·Filed 1994·Granted Feb 17, 1998·40 cites·7 claims
- 0670US7369734B2Optical control deviceRICOH KK·Filed 2007·Granted May 6, 2008·4 cites·13 claims
- 0768US10605716B2Particle counting apparatus, particle counting method, and particle containing sampleKATOH IKUO·Filed 2018·Granted Mar 31, 2020·1 cites·18 claims
- 0868US7345733B2Light deflection element, light deflection device and image display deviceRICOH COMAPNY LTD·Filed 2006·Granted Mar 18, 2008·2 cites·19 claims
- 0966US7215842B2Light control element and light control deviceRICOH KK·Filed 2004·Granted May 8, 2007·9 cites·14 claims
- 1062US7242839B2Optical delay elementTOSHIHIKO BABA·Filed 2005·Granted Jul 10, 2007·3 cites·19 claims
- 1158US7057700B2Light deflection element, light deflection device and image display deviceRICOH KK·Filed 2002·Granted Jun 6, 2006·5 cites·5 claims
- 1256US2023050179A1Biological measurement device, pulse wave sensor, sphygmomanometer, and meeting support systemISHII TOSHIHIRO·Filed 2022·Application pending·0 cites
- 1353US6475823B1Piezoelectric device with sealed vibration space and manufacturing method thereofTDK CORP·Filed 2000·Granted Nov 5, 2002·7 cites·12 claims
- 1444US4818959APhase equalizerTDK CORP·Filed 1987·Granted Apr 4, 1989·7 cites·16 claims
- 1543US2002135729A1Light deflection element, light deflection device and image display deviceFiled 2002·Application pending·0 cites
- 1641US10780706B2Discharging device and discharging methodShiomoto Shusaku·Filed 2019·Granted Sep 22, 2020·0 cites·14 claims
- 1735US5469012AElectronic componentTDK CORP·Filed 1993·Granted Nov 21, 1995·10 cites·7 claims
- 1831US5850166APiezoelectric ceramic filter circuit and piezoelectric ceramic filterTDK CORP·Filed 1993·Granted Dec 15, 1998·5 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →