Inventor · disambiguated record
Eric Johnstone
Also filed as: JOHNSTONE ERIC · JOHNSTONE ERIC S · JOHNSTONE ERIC STEPHEN
11 granted patents·1 pending application·68 citations·filing 2002–2020
89Inventor score
Top patents by PatentIndex Score
12 records- 0190US7440113B2Littrow interferometerAGILENT TECHNOLOGIES INC·Filed 2005·Granted Oct 21, 2008·22 cites·56 claims
- 0273US7843977B2Light source that utilizes small footprint reference gas cells for multiple laser frequency stabilizationAGILENT TECHNOLOGIES INC·Filed 2008·Granted Nov 30, 2010·4 cites·23 claims
- 0368US7009709B2Active control of two orthogonal polarizations for heterodyne beam deliveryAGILENT TECHNOLOGIES INC·Filed 2005·Granted Mar 7, 2006·6 cites·25 claims
- 0467US6897962B2Interferometer using beam re-tracing to eliminate beam walk-offAGILENT TECHNOLOGIES INC·Filed 2002·Granted May 24, 2005·14 cites·33 claims
- 0561US7330272B2Discrete quarter wave plates for displacement measuring interferometersAGILENT TECHNOLOGIES INC·Filed 2005·Granted Feb 12, 2008·4 cites·34 claims
- 0655US7248609B2Amplified beam sourceAGILENT TECHNOLOGIES INC·Filed 2004·Granted Jul 24, 2007·4 cites·16 claims
- 0752US12294197B1System and controller for stabilization of injection-locked laser diode amplifiersKEYSIGHT TECHNOLOGIES INC·Filed 2020·Granted May 6, 2025·0 cites·20 claims
- 0852US6961130B2Heterodyne beam delivery with active control of two orthogonal polarizationsAGILENT TECHNOLOGIES INC·Filed 2003·Granted Nov 1, 2005·5 cites·25 claims
- 0951US6961129B2Active control of two orthogonal polarizations for heterodyne interferometryAGILENT TECHNOLOGIES INC·Filed 2003·Granted Nov 1, 2005·5 cites·37 claims
- 1049US7362445B2Active control and detection of two nearly orthogonal polarizations in a fiber for heterodyne interferometryAGILENT TECHNOLOGIES INC·Filed 2005·Granted Apr 22, 2008·2 cites·22 claims
- 1147US7076121B2Polarization controller using spatial filteringAGILENT TECHNOLOGIES INC·Filed 2003·Granted Jul 11, 2006·2 cites·22 claims
- 1247US2015006133A1State Space System Simulator Utilizing Bi-quadratic Blocks to Simulate Lightly Damped ResonancesAGILENT TECHNOLOGIES INC·Filed 2014·Application pending·0 cites
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