Inventor · disambiguated record
Keiichi Yokota
Also filed as: YOKOTA KEIICHI
10 granted patents·2 pending applications·311 citations·filing 1989–2025
89Inventor score
Files withTOKYO ELECTRON LTD4SUMIKIN CHEMICAL3AIR WATER INC2AIR WATER CHEMICAL INC1TEL YAMANISHI KK1
Top patents by PatentIndex Score
12 records- 0194US5404111AProbe apparatus with a swinging holder for an object of examinationTOKYO ELECTRON LTD·Filed 1993·Granted Apr 4, 1995·146 cites·11 claims
- 0280US4943767AAutomatic wafer position aligning method for wafer proberTOKYO ELECTRON LTD·Filed 1989·Granted Jul 24, 1990·40 cites·5 claims
- 0376US5412329AProbe cardTEL YAMANISHI KK·Filed 1994·Granted May 2, 1995·71 cites·12 claims
- 0469US5416592AProbe apparatus for measuring electrical characteristics of objectsTOKYO ELECTRON LTD·Filed 1993·Granted May 16, 1995·30 cites·14 claims
- 0567US10059654B2Composition containing 3-chloro-4-methoxybenzylamine hydrochloride, and method for producing sameAIR WATER INC·Filed 2017·Granted Aug 28, 2018·0 cites·5 claims
- 0660US2025370614A1Apparatus, display system, gesture recognition method, and non-transitory recording mediumYOKOTA KEIICHI·Filed 2025·Application pending·0 cites
- 0759US2017044091A1Composition containing 3-chloro-4-methoxybenzylamine hydrochloride, and method for producing sameAIR WATER INC·Filed 2014·Application pending·0 cites
- 0858US4966520AMethod of positioning objects to be measuredTOKYO ELECTRON LTD·Filed 1989·Granted Oct 30, 1990·18 cites·10 claims
- 0948US5550284AProduction method for alkoxynaphthalenecarboxylic acidSUMIKIN CHEMICAL·Filed 1994·Granted Aug 27, 1996·4 cites·15 claims
- 1042US6054609AMethod of separating isomers of nitrotoluic acidSUMIKIN CHEMICAL·Filed 1998·Granted Apr 25, 2000·2 cites·4 claims
- 1137US6768022B2Method for producing thiosalicylic acidAIR WATER CHEMICAL INC·Filed 2002·Granted Jul 27, 2004·0 cites·7 claims
- 1230US5416256AProcess for manufacturing 5-hydroxyisophthalic acidSUMIKIN CHEMICAL·Filed 1994·Granted May 16, 1995·0 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →