For the Inventor, By the Inventor

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Broomfield, CO, United States of America

Zeagen, Inc.

USPTO Granted Patents = 3

CIPO Patents = 1

Trademarks = 1

Forward Citations = 8

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7 inventors (with patents filed for the assignee):

Donald L Heefner (3 out of 7 patents)

Michael J Yarus (3 out of 9 patents)

Linda A Burdzinski (3 out of 3 patents)

4. Craig A Weaver (2 out of 2 patents)

5. Dale C Gyure (1 out of 1 patent)

6. Edward W Foster (1 out of 1 patent)

7. Annette Boyts (1 out of 1 patent)

8. Carey L Quarles (1 patent)

3 patents: Sort by Forward Citations

1. 5231007 - Efficient riboflavin production with yeast (1993-07-27),

2. 5164303 - Method for producing riboflavin with Candida famata (1992-11-17),

3. 5120655 - Riboflavin producing strains of microorganisms (1992-06-09),

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USPTO Data Jan 1 1976 - Sep 29 2026

3 Patents

#63 in Broomfield, CO

#1,773 in Colorado

#73,766 in US

Broomfield, CO, United States of America

Zeagen, Inc.

Forward Citations = 8

7 inventors:

Donald L Heefner (3 out of 7 patents)

Michael J Yarus (3 out of 9 patents)

Linda A Burdzinski (3 out of 3 patents)

4. Craig A Weaver (2 out of 2 patents)

5. Dale C Gyure (1 out of 1 patent)

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