Eric Johnstone — 11 Patents at Agilent Technologies

Eric Johnstone has been granted 11 US patents while listed as an inventor at Agilent Technologies. The first was granted in 2005 and the most recent in May 2025. Eric Johnstone ranks #435,149 of 4,157,543 US inventors in our database (top 10.5%). Patent records list Eric Johnstone in Redwood City, CA, US.

Patents per Year

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Showing 1–11 of 11 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
12294197	System and controller for stabilization of injection-locked laser diode amplifiers	Marco Cassinerio	2025-05-06
7843977	Light source that utilizes small footprint reference gas cells for multiple laser frequency stabilization	Miao Zhu, Tirumala R. Ranganath	2010-11-30	$19,125,000
7440113	Littrow interferometer	William Trutna, Geraint Owen, Alan B. Ray, James Prince, Miao Zhu +1 more	2008-10-21	$10,601,000
7362445	Active control and detection of two nearly orthogonal polarizations in a fiber for heterodyne interferometry	Joanne Law, Raymond Yeung, Kerry Bagwell	2008-04-22	$5,883,000
7330272	Discrete quarter wave plates for displacement measuring interferometers	Robert Todd Belt	2008-02-12	$6,740,000
7248609	Amplified beam source	Raymond Connell	2007-07-24	$6,351,000
7076121	Polarization controller using spatial filtering	Joanne Law	2006-07-11	$5,432,000
7009709	Active control of two orthogonal polarizations for heterodyne beam delivery	Joanne Law, Kerry Bagwell, Elizabeth Nevis	2006-03-07	$6,524,000
6961129	Active control of two orthogonal polarizations for heterodyne interferometry	Joanne Law, Elizabeth Nevis	2005-11-01	$11,762,000
6961130	Heterodyne beam delivery with active control of two orthogonal polarizations	Joanne Law, Kerry Bagwell, Elizabeth Nevis	2005-11-01	$11,762,000
6897962	Interferometer using beam re-tracing to eliminate beam walk-off	John J. Bockman, Alan B. Ray, Kerry Bagw ell	2005-05-24	$10,654,000

Eric Johnstone — 11 Patents

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