Inventor · disambiguated record
Hiromasa Arai
Also filed as: ARAI HIROMASA
6 granted patents·10 pending applications·335 citations·filing 1999–2013
87Inventor score
Top patents by PatentIndex Score
16 records- 0198US6951693B2Organic electroluminescence deviceIDEMITSU KOSAN CO·Filed 2002·Granted Oct 4, 2005·88 cites·9 claims
- 0296US7053255B2Substituted diphenylanthracene compounds for organic electroluminescence devicesIDEMITSU KOSAN CO·Filed 2001·Granted May 30, 2006·102 cites·1 claims
- 0395US6743948B1Organic electroluminescent deviceIDEMITSU KOSAN CO·Filed 1999·Granted Jun 1, 2004·118 cites·2 claims
- 0492US7361796B2Orangic electroluminescence deviceIDEMITSU KOSAN CO·Filed 2005·Granted Apr 22, 2008·21 cites·6 claims
- 0575US7122256B2Styryl compound and organic electroluminescence deviceIDEMITSU KOSAN CO·Filed 2001·Granted Oct 17, 2006·6 cites·8 claims
- 0664US2010160687A1Organic electrolumescence deviceIDEMITSU KOSAN CO·Filed 2009·Application pending·0 cites
- 0761US2007142671A1Organic electrolumescence deviceIDEMITSU KOSAN CO·Filed 2007·Application pending·0 cites
- 0861US2011175521A1Organic electrolumescence deviceIDEMITSU KOSAN CO·Filed 2011·Application pending·0 cites
- 0960US2012153815A1Organic electroluminescence deviceHOSOKAWA CHISHIO·Filed 2012·Application pending·0 cites
- 1057US2008193799A1Organic electroluminescence deviceIDEMITSU KOSAN CO·Filed 2008·Application pending·0 cites
- 1157US2006189828A1Organic electrolumescence deviceIDEMITSU KOSAN CO·Filed 2006·Application pending·0 cites
- 1247US2009243473A1Organic electroluminescence deviceIDEMITSU KOSAN CO·Filed 2007·Application pending·0 cites
- 1346US2005038296A1Organic electrolumescence deviceIDEMITSU KOSAN CO·Filed 2004·Application pending·0 cites
- 1445US2005238912A1Novel styryl compound and organic electroluminescence deviceIDEMITSU KOSAN CO·Filed 2004·Application pending·0 cites
- 1545US2009299512A1Semiconductor manufacturing system and methodRENESAS TECH CORP·Filed 2009·Application pending·0 cites
- 1641US9818657B2Dry etching method and method of manufacturing semiconductor deviceRENESAS ELECTRONICS CORP·Filed 2013·Granted Nov 14, 2017·0 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →