Inventor · disambiguated record

Kay Steffen

Also filed as: STEFFEN KAY

1 granted patent·3 citations·filing 2002–2002

21Inventor score

Technology areasY02E

Files withSIEMENS AG1

Top patents by PatentIndex Score

1 record

0153US6858729B2Organic red electroluminescent chromophores, method for the production and use thereofSIEMENS AG·Filed 2002·Granted Feb 22, 2005·3 cites·6 claims

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