Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
DS

Daniel J. Simpson — 20 Patents

PRPromega: 14 patents #35 of 281Top 15%
ESExact Sciences: 3 patents #28 of 77Top 40%
UEUS Dept of Energy: 2 patents #577 of 5,099Top 15%
University of California: 1 patents #8,022 of 18,278Top 45%
Los Alamos, NM: #34 of 1,308 inventorsTop 3%
New Mexico: #254 of 9,035 inventorsTop 3%
Overall (All Time): #214,803 of 4,157,543Top 6%
20 Patents All Time
Daniel J. Simpson has been granted 20 US patents while listed as an inventor at Promega. The first was granted in 1992 and the most recent in August 2024. Daniel J. Simpson ranks #214,803 of 4,157,543 US inventors in our database (top 5.2%). Patent records list Daniel J. Simpson in Los Alamos, NM, US.

Patents per Year

Patents granted per year, 1992 to 2024Bar chart with a peak of 2 patents in 2001.peak 21992: 1 patents19921993: 1 patents1995: 1 patents19951999: 1 patents2001: 2 patents20012002: 1 patents2004: 2 patents20042006: 1 patents2007: 2 patents20072008: 1 patents2017: 1 patents20172020: 1 patents2022: 1 patents20222023: 2 patents2024: 2 patents2024

Issued Patents All Time

Showing 1–20 of 20 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12060538 Cleavable surfactants Sergei Saveliev, Keith V. Wood, Harry Tetsuo Uyeda, Carolyn W. Hitko, Dieter Klaubert 2024-08-13
11994524 Method for stabilizing hemoglobin and reagents for performing the same Keith Fourrier, Jacquelyn T. Hennek, Michael J. Domanico, William G. Weisburg, Graham P. Lidgard +1 more 2024-05-28 $84,959,000
11703512 Method for stabilizing hemoglobin and reagents for performing the same Keith Fourrier, Jacquelyn T. Hennek, Michael J. Domanico, William G. Weisburg, Graham P. Lidgard +1 more 2023-07-18 $224,810,000
11624041 Cleavable surfactants Sergei Saveliev, Keith V. Wood, Harry Tetsuo Uyeda, Carolyn W. Hitko, Dieter Klaubert 2023-04-11
11385243 Method for stabilizing hemoglobin and reagents for performing the same Keith Fourrier, Jacquelyn T. Hennek, Michael J. Domanico, William G. Weisburg, Graham P. Lidgard +1 more 2022-07-12 $100,290,000
10626349 Cleavable surfactants Sergei Saveliev, Keith V. Wood, Harry Tetsuo Uyeda, Carolyn W. Hitko, Dieter Klaubert 2020-04-21
9816054 Cleavable surfactants Sergei Saveliev, Keith V. Wood, Harry Tetsuo Uyeda, Carolyn W. Hitko, Dieter Klaubert 2017-11-14
7354750 Methods for separating molecules Tonny Johnson, John Shultz, Roderick G. Flemming, Rebecca Godat, Sanchayita Kar +1 more 2008-04-08
7304015 Compositions for separating molecules Tonny Johnson, Roderick G. Flemming 2007-12-04
7304016 Compositions for separating molecules Tonny Johnson, Roderick G. Flemming 2007-12-04
7112552 Compositions for separating molecules Tonny Johnson, Roderick G. Flemming 2006-09-26
6806362 pH dependent ion exchange matrix and method of use in the isolation of nucleic acids Craig E. Smith, Diana L. Holmes, Jehoshua Katzenhendler, Rex M. Bitner, Josephine Grosch 2004-10-19
6787307 Lysate clearance and nucleic acid isolation using silanized silica matrices Rex M. Bitner, Roderick G. Flemming, Susan C. Koller 2004-09-07
6376194 Mixed-bed solid phase and its use in the isolation of nucleic acids Craig E. Smith, Diana L. Holmes, Jehoshua Katzenhendler, Rex M. Bitner, Josephine Grosch 2002-04-23
6310199 pH dependent ion exchange matrix and method of use in the isolation of nucleic acids Craig E. Smith, Diana L. Holmes, Jehoshua Katzenhendler, Rex M. Bitner, Josephine Grosch 2001-10-30
6270970 Mixed-bed solid phase and its use in the isolation of nucleic acids Craig E. Smith, Diana L. Holmes, Jehoshua Katzenhendler, Rex M. Bitner, Josephine Grosch 2001-08-07
5952186 Reagent, method, and kit for the quantitation of oxidation-reduction phenomena in proteins and peptides John Shultz, Susanne Selman 1999-09-14
5405747 Method for rapid base sequencing in DNA and RNA with two base labeling James H. Jett, Richard A. Keller, John C. Martin, Richard G. Posner, Babetta L. Marrone +1 more 1995-04-11
5208332 Optical probe for the cytochrome P-450 cholesterol side chain cleavage enzyme Babetta L. Marrone, Clifford J. Unkefer, Thomas W. Whaley 1993-05-04
5110725 Optical probe for the cytochrome P-450 cholesterol side chain cleavage enzyme Babetta L. Marrone, Clifford J. Unkefer, Thomas W. Whaley 1992-05-05