Inventor · disambiguated record
Charles B. Ammann
Also filed as: AMMANN CHARLES B
3 granted patents·117 citations·filing 2011–2016
70Inventor score
Technology areasH04N
Top patents by PatentIndex Score
3 records- 0191US8949902B1Systems and methods for providing audio-based guidanceFABIAN-ISAACS CONSTANCE·Filed 2011·Granted Feb 3, 2015·113 cites·22 claims
- 0279US9686595B2Systems and methods for providing audio-based guidanceROVI GUIDES INC·Filed 2016·Granted Jun 20, 2017·4 cites·44 claims
- 0357US10154318B2Systems and methods for providing audio-based guidanceROVI GUIDES INC·Filed 2014·Granted Dec 11, 2018·0 cites·18 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →