Inventor · disambiguated record
Erland T. Sandstrom
Also filed as: SANDSTROEM ERLAND T · SANDSTROM ERLAND T
4 granted patents·298 citations·filing 1980–1994
82Inventor score
Top patents by PatentIndex Score
4 records- 0192US4647207AEllipsometric method and apparatusSAGAX INSTR AB·Filed 1985·Granted Mar 3, 1987·137 cites·25 claims
- 0288US4332476AMethod and apparatus for studying surface propertiesSTENBERG JOHAN E·Filed 1980·Granted Jun 1, 1982·74 cites·19 claims
- 0381US4655595AEllipsometric method and apparatus for studying physical properties of the surface of a testpieceSAGAX INSTR AB·Filed 1985·Granted Apr 7, 1987·55 cites·22 claims
- 0474US5440426AOptical spatial filtering for attenuating the zero diffractive orders of mutually incoherent light beamsFiled 1994·Granted Aug 8, 1995·32 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →