Inventor · disambiguated record
Kiyomi Ema
Also filed as: EMA KIYOMI
17 granted patents·3 pending applications·561 citations·filing 1990–2016
95Inventor score
Top patents by PatentIndex Score
20 records- 0192US6632489B1Moniliform silica sol, process for producing the same, and ink-jet recording mediumNISSAN CHEMICAL IND LTD·Filed 1999·Granted Oct 14, 2003·61 cites·5 claims
- 0292US6440187B1Alumina powder, process for producing the same and polishing compositionNISSAN CHEMICAL IND LTD·Filed 1999·Granted Aug 27, 2002·81 cites·8 claims
- 0390US6398827B1Polishing compositionNISSAN CHEMICAL IND LTD·Filed 2000·Granted Jun 4, 2002·57 cites·4 claims
- 0488US5989515AProcess for producing an acidic aqueous alumina solNISSAN CHEMICAL IND LTD·Filed 1997·Granted Nov 23, 1999·63 cites·19 claims
- 0585US6254996B1Antistatic polyester film and process for producing the sameTEIJIN LTD·Filed 1999·Granted Jul 3, 2001·48 cites·10 claims
- 0683US5238518ABonding method employing an inorganic adhesive compositionNISSAN CHEMICAL IND LTD·Filed 1990·Granted Aug 24, 1993·61 cites·6 claims
- 0781US6211274B1Organic-inorganic composite conductive SOL and process for producing the sameNISSAN CHEMICAL IND LTD·Filed 1999·Granted Apr 3, 2001·47 cites·13 claims
- 0881US5780201AUltra thin photolithographically imageable organic black matrix coating materialBREWER SCIENCE INC·Filed 1996·Granted Jul 14, 1998·54 cites·10 claims
- 0981US5332432AInorganic adhesive compositionNISSAN CHEMICAL IND LTD·Filed 1993·Granted Jul 26, 1994·46 cites·8 claims
- 1073US9108855B2Method for producing purified alkali silicate aqueous solution and silica solEMA KIYOMI·Filed 2012·Granted Aug 18, 2015·2 cites·6 claims
- 1170US5989391AReaction product of sulfonated amino resin and amino group-containing substance and papermaking processNISSAN CHEMICAL IND LTD·Filed 1996·Granted Nov 23, 1999·27 cites·11 claims
- 1256US10550300B2Method for producing purified active silicic acid solution and silica solNISSAN CHEMICAL IND LTD·Filed 2016·Granted Feb 4, 2020·0 cites·13 claims
- 1355US7569614B2Process for producing acidic aqueous alumina solNISSAN CHEMICAL IND LTD·Filed 2004·Granted Aug 4, 2009·1 cites·11 claims
- 1453US10400147B2Method for producing purified active silicic acid solution and silica solEMA KIYOMI·Filed 2012·Granted Sep 3, 2019·0 cites·11 claims
- 1550US9938155B2Method for producing purified alkali silicate aqueous solution and silica solNISSAN CHEMICAL IND LTD·Filed 2015·Granted Apr 10, 2018·0 cites·15 claims
- 1650US7892343B2Method for manufacturing slurry and mold for precision castingNISSAN CHEMICAL IND LTD·Filed 2006·Granted Feb 22, 2011·0 cites·16 claims
- 1742US5998090AHigh optical density ultra thin organic black matrix systemBREWER SCIENCE INC·Filed 1997·Granted Dec 7, 1999·13 cites·11 claims
- 1838US2004048197A1Photosensitive black matrixFiled 2003·Application pending·0 cites
- 1935US2003113640A1Photosensitive black matrixFiled 2002·Application pending·0 cites
- 2032US2002182522A1Photosensitive black matrixFiled 2001·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →