Inventor · disambiguated record
Igor Ullmann
Also filed as: ULLMANN IGOR
6 granted patents·1 pending application·20 citations·filing 2002–2017
76Inventor score
Top patents by PatentIndex Score
7 records- 0173US7724102B2Oscillator circuitINFINEON TECHNOLOGIES AG·Filed 2007·Granted May 25, 2010·8 cites·11 claims
- 0267US10348304B2High-voltage level-shifter circuitryINFINEON TECHNOLOGIES AG·Filed 2017·Granted Jul 9, 2019·2 cites·8 claims
- 0366US8922411B2Configurable hardware-sharing multi-channel ADCULLMANN IGOR·Filed 2012·Granted Dec 30, 2014·6 cites·24 claims
- 0457US7719348B2Capactive filter device incorporating a switching arrangementULLMANN IGOR·Filed 2007·Granted May 18, 2010·4 cites·9 claims
- 0539US7944312B2Active free-running frequency circuit for phase-locked loop applicationsINFINEON TECHNOLOGIES AG·Filed 2009·Granted May 17, 2011·0 cites·17 claims
- 0636US9871533B2Hybrid digital/analog noise shaping in the sigma-delta conversionINFINEON TECHNOLOGIES AG·Filed 2017·Granted Jan 16, 2018·0 cites·15 claims
- 0729US2003085743A1Phase locked loop circuitFiled 2002·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Igor Ullmann files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →