For the Inventor, By the Inventor

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San Diego, CA, United States of America

Quantum Design, Inc.

USPTO Granted Patents = 16

% Expired Patents = 6.3

EPO Patents = 2

Trademarks = 5

Forward Citations = 1,412

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12 inventors (with patents filed for the assignee):

Michael Bancroft Simmonds (12 out of 28 patents)

Jost Diederichs (6 out of 12 patents)

Randall Black (5 out of 10 patents)

4. Kurt Gordon Jensen (5 out of 5 patents)

5. Ronald E Sager (4 out of 5 patents)

6. Ronald T LaBorde (3 out of 6 patents)

7. Stefano Spagna (2 out of 2 patents)

8. Andreas Amann (1 out of 2 patents)

9. Paul Alesu (1 out of 1 patent)

10. Herbert S Chow (1 out of 1 patent)

11. Randall N Taff (1 out of 1 patent)

12. David M Pratt (1 out of 1 patent)

13. Randall Christopher Black (1 patent)

14. Jost Herman Diederichs (0 patent)

16 patents: Sort by Forward Citations

1. 8134434 - Superconducting quick switch (2012-03-13),

2. 7884593 - Differential and symmetrical current source (2011-02-08),

3. 7547557 - Directed-flow assay device (2009-06-16),

4. 7323139 - Accessible assay and method of use (2008-01-29),

5. 6927570 - Method and apparatus for making measurements of accumulations of magnetically susceptible particles combined with analytes (2005-08-09),

6. 6607922 - Immunochromatographic assay method and apparatus (2003-08-19),

7. 6597176 - Method and apparatus for making measurements of patterns of magnetic particles in lateral flow membranes and microfluidic systems (2003-07-22),

8. 6518747 - Method and apparatus for quantitative determination of accumulations of magnetic particles (2003-02-11),

9. 6483303 - Computer program for making measurements of accumulations of magnetic particles (2002-11-19),

10. 6437563 - Method and apparatus for making measurements of accumulations of magnetically susceptible particles combined with analytes (2002-08-20),

11. 6275031 - Method and apparatus for making quantitative measurements of localized accumulations of magnetic particles (2001-08-14),

12. 6046585 - Method and apparatus for making quantitative measurements of localized (2000-04-04),

13. 5798641 - Torque magnetometer utilizing integrated piezoresistive levers (1998-08-25),

14. 5647228 - Apparatus and method for regulating temperature in a cryogenic test (1997-07-15),

15. 4848093 - Apparatus and method for regulating temperature in a cryogenic test (1989-07-18),

Quantum Design, Inc. is a prominent company based in San Diego, California, specializing in advanced scientific instrumentation and measurement systems. The organization focuses on developing innovative solutions for materials characterization, particularly in the fields of condensed matter physics and materials science. With a commitment to enhancing research capabilities, Quantum Design provides tools that facilitate the exploration of magnetic, thermal, and electronic properties of materials, supporting both academic and industrial research initiatives.

Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Oct 6 2026

16 Patents

#361 in San Diego, CA

#4,767 in California

#19,907 in US

#37,788 in the World

San Diego, CA, United States of America

Quantum Design, Inc.

Forward Citations = 1,412

12 inventors:

Michael Bancroft Simmonds (12 out of 28 patents)

Jost Diederichs (6 out of 12 patents)

Randall Black (5 out of 10 patents)

4. Kurt Gordon Jensen (5 out of 5 patents)

5. Ronald E Sager (4 out of 5 patents)

Please report any incorrect information to [email protected]

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