Inventor · disambiguated record
Der-Yan Frank Roan
Also filed as: ROAN DER-YAN FRANK
3 granted patents·36 citations·filing 1996–2004
69Inventor score
Top patents by PatentIndex Score
3 records- 0162US6005913ASystem and method for using X-ray diffraction to detect subsurface crystallographic structureSIEMENS WESTINGHOUSE POWER·Filed 1996·Granted Dec 21, 1999·28 cites·18 claims
- 0259US6719853B2Method for restoring the microstructure of a textured article and for refurbishing a gas turbine blade or vaneSIEMENS AG·Filed 2002·Granted Apr 13, 2004·4 cites·16 claims
- 0352US8252376B2Method for restoring the microstructure of a textured article and for refurbishing a gas turbine blade or vaneBUERGEL RALF·Filed 2004·Granted Aug 28, 2012·4 cites·22 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →