Inventor · disambiguated record
Jens Hjelmstad
Also filed as: HJELMSTAD JENS · HJELMSTAD JENS F · HJELMSTAD JENS FREDRIK
12 granted patents·3 pending applications·382 citations·filing 1985–2021
92Inventor score
Files withLADAR LTD6ERICSSON TELEFON AB L M2NORGES TEKNISK NATURVITENSKAPE2GJESSING DAG K T1SOS LTD1
Top patents by PatentIndex Score
15 records- 0186US7750849B2Method and arrangement for determining the spatial frequency of a signalERICSSON TELEFON AB L M·Filed 2005·Granted Jul 6, 2010·18 cites·7 claims
- 0285US4843597ASystem for marine seismic explorationGJESSING DAG K T·Filed 1987·Granted Jun 27, 1989·81 cites·15 claims
- 0384US8063815B2Method and system for automatic classification of objectsVALO HILDE·Filed 2006·Granted Nov 22, 2011·63 cites·18 claims
- 0484US4992797AMethod of detection and identification of one or more remote objectsNORGES TEKNISK NATURVITENSKAPE·Filed 1985·Granted Feb 12, 1991·66 cites·8 claims
- 0580US12332354B2System for detecting plastics, macro-plastics, micro-plastics, and nano-plastics in a maritime, estuatry, or river environmentLADAR LTD·Filed 2021·Granted Jun 17, 2025·2 cites·32 claims
- 0678US5534868AMethod and system for the detection and measurement of air phenomena and transmitter and receiver for use in the systemSUSAR AS·Filed 1993·Granted Jul 9, 1996·83 cites·15 claims
- 0774US10247818B2Detection system for detecting an object on a water surfaceLADAR LTD·Filed 2014·Granted Apr 2, 2019·5 cites·18 claims
- 0870US4829306ASystem for detection of objects with given, known characteristics against a backgroundNORGES TEKNISK NATURVITENSKAPE·Filed 1987·Granted May 9, 1989·34 cites·15 claims
- 0957US10175356B2Laser detection and ranging device for detecting an object under a water surfaceLADAR LTD·Filed 2014·Granted Jan 8, 2019·1 cites·15 claims
- 1055US11467269B2Laser detection and ranging device for detecting an object under a water surfaceLADAR LTD·Filed 2018·Granted Oct 11, 2022·0 cites·15 claims
- 1147US2022058932A1Man over board detection systemSOS LTD·Filed 2019·Application pending·0 cites
- 1246US7411537B2Digitizer arrangementERICSSON TELEFON AB L M·Filed 2004·Granted Aug 12, 2008·1 cites·4 claims
- 1342US2016266246A1A system for monitoring a maritime environmentLADAR LTD·Filed 2014·Application pending·0 cites
- 1440US6070461ASystem for detection and measurement of atmospheric movementTRIAD A S·Filed 1996·Granted Jun 6, 2000·28 cites·15 claims
- 1535US2021168353A1System for visualizing an object to a remote user for remote assistance applicationsLADAR LTD·Filed 2020·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Jens Hjelmstad 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 →