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Hayward, CA, United States of America

Sepragen Corporation

USPTO Granted Patents = 20

% Expired Patents = 5.0

Forward Citations = 664

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19 inventors (with patents filed for the assignee):

Vinit Saxena (14 out of 14 patents)

Brian D Andresen (5 out of 5 patents)

Zahid Mozaffar (4 out of 4 patents)

4. Quirinus Ronnie Miranda (4 out of 6 patents)

5. Renu Saxena (2 out of 2 patents)

6. David Zuffi (2 out of 2 patents)

7. Salah H Ahmed (2 out of 2 patents)

8. Alan Sanderson (2 out of 2 patents)

9. Rod Dove (2 out of 2 patents)

10. Fang Ming (2 out of 2 patents)

11. John Howell (2 out of 2 patents)

12. Eric R Fought (2 out of 2 patents)

13. Hrair Kirakossian (1 out of 24 patents)

14. Dennis Richard Gould (1 out of 1 patent)

15. Paul Young (1 out of 1 patent)

20 patents: Sort by Forward Citations

1. 10718744 - Pre-packed, sealed radial flow chromatography column (2020-07-21),

2. 8951784 - Cell culture bioreactor (2015-02-10),

3. 8685241 - Axial and radial flow columns with inflatable seals to facilitate packing and unpacking (2014-04-01),

4. 6096870 - Sequential separation of whey (2000-08-01),

5. 6045842 - High throughput debittering (2000-04-04),

6. 5817354 - High throughput debittering (1998-10-06),

7. 5756680 - Sequential separation of whey proteins and formulations thereof (1998-05-26),

8. 5690996 - Cross-linked cellulose sponge (1997-11-25),

9. 5597489 - Method for removing contaminants from water (1997-01-28),

10. 5492723 - Adsorbent medium (1996-02-20),

11. 5462659 - Chromatography column (1995-10-31),

12. 4867947 - Interface for liquid chromatograph-mass spectrometer (1989-09-19),

13. 4865729 - Radial thin layer chromatography (1989-09-12),

14. 4840730 - Chromatography system using horizontal flow columns (1989-06-20),

15. 4833083 - Packed bed bioreactor (1989-05-23),

Sepragen Corporation, based in Hayward, California, specializes in the development and manufacturing of innovative separation technologies. The company focuses on providing advanced solutions for the biotechnology and pharmaceutical industries, particularly in the areas of cell culture and bioprocessing. Sepragen's proprietary technologies enhance the efficiency and effectiveness of separation processes, enabling clients to optimize their production workflows and improve product quality. Their commitment to research and development positions them as a key player in the field of bioprocessing solutions.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Sep 29 2026

20 Patents

#36 in Hayward, CA

#3,928 in California

#16,368 in US

#31,196 in the World

Hayward, CA, United States of America

Sepragen Corporation

Forward Citations = 664

19 inventors:

Vinit Saxena (14 out of 14 patents)

Brian D Andresen (5 out of 5 patents)

Zahid Mozaffar (4 out of 4 patents)

4. Quirinus Ronnie Miranda (4 out of 6 patents)

5. Renu Saxena (2 out of 2 patents)

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