Inventor · disambiguated record
Walter E. Ratzat
Also filed as: RATZAT WALTER E
3 granted patents·26 citations·filing 2009–2013
70Inventor score
Top patents by PatentIndex Score
3 records- 0182US9104791B2Systems and methods for editing a model of a physical system for a simulationCOHEN ROBERT·Filed 2009·Granted Aug 11, 2015·10 cites·35 claims
- 0282US8717852B2Apparatus for providing condition-based vibrotactile feedbackIMMERSION CORP·Filed 2013·Granted May 6, 2014·9 cites·4 claims
- 0376US8351299B2Apparatus and method for providing condition-based vibrotactile feedbackIMMERSION CORP·Filed 2009·Granted Jan 8, 2013·7 cites·23 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →