Inventor · disambiguated record
Joerg-Michael Birkhold
Also filed as: BIRKHOLD JOERG-MICHAEL
3 granted patents·15 citations·filing 2011–2013
62Inventor score
Top patents by PatentIndex Score
3 records- 0184US8360183B2Method for operating a drive system for a motor vehiclePORSCHE AG·Filed 2011·Granted Jan 29, 2013·12 cites·10 claims
- 0253US9175633B2Engine starting methodPORSCHE AG·Filed 2013·Granted Nov 3, 2015·1 cites·7 claims
- 0352US8777806B2Drivetrain for a parallel hybrid vehicleBIRKHOLD JOERG-MICHAEL·Filed 2012·Granted Jul 15, 2014·2 cites·14 claims
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