Inventor · disambiguated record
Igolt Pieter Douwes Ubbens
Also filed as: UBBENS IGOLT P D · UBBENS IGOLT PIETER DOUWES
3 granted patents·1 pending application·83 citations·filing 1996–2005
71Inventor score
Technology areasG11B
Top patents by PatentIndex Score
4 records- 0188US5708638ADevice for optically scanning a recording medium by focusing the best focus or the paraxial focus to the information layerPHILIPS CORP·Filed 1996·Granted Jan 13, 1998·73 cites·21 claims
- 0268US7187640B2Method for recording on multi-layer phase-change optical discsKONINKL PHILIPS ELECTRONICS NV·Filed 2002·Granted Mar 6, 2007·8 cites·18 claims
- 0367US7688339B2System for scribing a visible labelKONINKL PHILIPS ELECTRONICS NV·Filed 2005·Granted Mar 30, 2010·2 cites·8 claims
- 0436US2005005284A1Optical storage medium and method of manufacturing sameFiled 2002·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Igolt Pieter Douwes Ubbens 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 →