Inventor · disambiguated record
Per Eld Ibsen
Also filed as: IBSEN PER ELD
7 granted patents·1 pending application·254 citations·filing 1994–2018
87Inventor score
Top patents by PatentIndex Score
8 records- 0193US6862092B1SpectrometerIBSEN PHOTONICS AS·Filed 2000·Granted Mar 1, 2005·112 cites·44 claims
- 0285US7085492B2Wavelength division multiplexed deviceIBSEN PHOTONICS AS·Filed 2001·Granted Aug 1, 2006·27 cites·28 claims
- 0383US6762880B2Grating structures and methods of making the grating structuresIBSEN PHOTONICS AS·Filed 2001·Granted Jul 13, 2004·36 cites·19 claims
- 0477US6978062B2Wavelength division multiplexed deviceIBSEN PHOTONICS AS·Filed 2001·Granted Dec 20, 2005·17 cites·80 claims
- 0577US6892002B2Stacked planar integrated optics and tool for fabricating sameIBSEN PHOTONICS AS·Filed 2001·Granted May 10, 2005·23 cites·37 claims
- 0667US5822119ARetroreflective sheeting material, a method of its production and its useKELL ERIK FRANKE·Filed 1994·Granted Oct 13, 1998·39 cites·30 claims
- 0738US11501519B2Vision system for object detection, recognition, classification and tracking and the method thereofUBIQISENSE APS·Filed 2018·Granted Nov 15, 2022·0 cites·21 claims
- 0835US2002060792A1Monitoring apparatus for optical transmission systemsADC INC·Filed 2001·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Per Eld Ibsen 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 →