Inventor · disambiguated record
Roger Lawrence Barr
Also filed as: BARR ROGER LAWRENCE
4 granted patents·119 citations·filing 1996–1999
81Inventor score
Files withIBM4
Top patents by PatentIndex Score
4 records- 0180US5776645ALithographic print bias/overlay target and applied metrologyIBM·Filed 1997·Granted Jul 7, 1998·59 cites·33 claims
- 0261US5756238ALithographic print bias/overlay target and applied metrologyIBM·Filed 1997·Granted May 26, 1998·24 cites·5 claims
- 0359US5677091ALithographic print bias/overlay target and applied metrologyIBM·Filed 1996·Granted Oct 14, 1997·22 cites·1 claims
- 0441US6344698B2More robust alignment mark designIBM·Filed 1999·Granted Feb 5, 2002·14 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →