Alan M. Johnson — 13 Patents at Research & Diagnostics Systems

Alan M. Johnson has been granted 13 US patents while listed as an inventor at Research & Diagnostics Systems. The first was granted in 1996 and the most recent in June 2023. Alan M. Johnson ranks #362,438 of 4,157,543 US inventors in our database (top 8.7%). Patent records list Alan M. Johnson in Chatswood, MN, AU.

Patents per Year

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Showing 1–13 of 13 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
11684579	Multi-vesicular liposomes for targeted delivery of drugs and biologics for tissue engineering	Andrew Brovko GRAY, Donald Johnson	2023-06-27
9647549	Current sense controller for a DC-to-DC converter	Runqin Tan, Bo Yang, Yuanying Deng	2017-05-09	$12,170,000
7749757	Stabilizing solution for cells and tissues	Frank Mortari, Paige M Johnson	2010-07-06
7267980	Stabilizing solution for cells and tissues	Frank Mortari, Paige Marie Pulvermacher	2007-09-11
7026801	Guaranteed bootstrap hold-up circuit for buck high side switch	Thomas Fowler, David Daniels	2006-04-11	$12,633,000
6828825	Pulse response of fast level shifter	David Alexander Grant	2004-12-07	$13,562,000
6747441	Non-synchronous switching regulator with improved output regulation at light or low loads	Thomas Fowler	2004-06-08	$19,033,000
6696824	Reduction of external component count in variable voltage integrated DC/DC converter	Thomas Fowler	2004-02-24	$30,751,000
6444471	Reticulocyte containing complete blood control	—	2002-09-03
5945340	Reticulocyte assay control	Ralph T. Francis	1999-08-31
5858789	Method for making a reticulocyte assay control	Ralph T. Francis	1999-01-12
5736402	Reticulocyte assay control	Ralph T. Francis	1998-04-07
5578453	Cloning and expression of toxoplasma antigens and use of recombinant antigens	Peter J. McDonald	1996-11-26

Alan M. Johnson — 13 Patents

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