Inventor · disambiguated record
Martin Topf
Also filed as: TOPF MARTIN
6 granted patents·895 citations·filing 1992–1998
90Inventor score
Top patents by PatentIndex Score
6 records- 0196US6061456ANoise cancellation apparatusANDREA ELECTRONICS CORP·Filed 1998·Granted May 9, 2000·184 cites·23 claims
- 0294US5732143ANoise cancellation apparatusANDREA ELECTRONICS CORP·Filed 1995·Granted Mar 24, 1998·141 cites·18 claims
- 0393US5825897ANoise cancellation apparatusANDREA ELECTRONICS CORP·Filed 1997·Granted Oct 20, 1998·133 cites·5 claims
- 0492US5715321ANoise cancellation headset for use with stand or worn on earANDREA ELECTRONICS COPORATION·Filed 1995·Granted Feb 3, 1998·190 cites·24 claims
- 0587US5673325ANoise cancellation apparatusANDREA ELECTRONICS CORP·Filed 1994·Granted Sep 30, 1997·126 cites·13 claims
- 0686US5381473ANoise cancellation apparatusANDREA ELECTRONICS CORP·Filed 1992·Granted Jan 10, 1995·121 cites·28 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →