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For the Inventor, By the Inventor

Hayward, CA, United States of America

Kosan Biosciences Incorporated


USPTO Granted Patents = 110


Forward Citations = 670

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84 inventors (with patents filed for the assignee):

goldMedal Daniel V Santi (29 out of 61 patents)

silverMedal Gary W Ashley (28 out of 55 patents)

bronzeMedal Chaitan Khosla (20 out of 84 patents)

4.  Robert G McDaniel (18 out of 43 patents)

5.  David C Myles (14 out of 26 patents)

6.  Li Tang (13 out of 15 patents)

7.  Leonard Katz (12 out of 26 patents)

8.  Bryan Julien (12 out of 14 patents)

9.  Ralph C Reid (10 out of 10 patents)

10.  Rainer Ziermann (10 out of 14 patents)

11.  Yaoquan Liu (9 out of 21 patents)

12.  Christopher Reeves (9 out of 9 patents)

13.  Zong-Qiang Tian (9 out of 12 patents)

14.  Mary C Betlach (9 out of 11 patents)

15.  Daniel T Chu (9 out of 98 patents)


Core Competencies:
Epothilones
Polyketide Synthase
Macrolide Antibacterial Agents
Geldanamycin Compounds
Biosynthetic Gene Clusters
Recombinant Polynucleotides
Antifungal Compounds
Synthetic Techniques
Fermentation Processes
HSP90-Inhibiting Agents
Leptomycin Compounds
Antineoplastic Agents

110 patents:

1. 8410305 - Intermediates and methods for the preparation of epothilones (2013-04-02),
2. 8063021 - Ketolide anti-infective compounds (2011-11-22),
3. 8030503 - Process for the preparation of epothilones (2011-10-04),
4. 8003687 - Esters of compounds in the leptomycin family (2011-08-23),
5. 7955824 - Methods of making epothilones (2011-06-07),
6. 7855192 - Macrolactams by engineered biosynthesis (2010-12-21),
7. 7851190 - Biosynthetic gene cluster for leptomycins (2010-12-14),
8. 7795457 - Carbamate compounds (2010-09-14),
9. 7732186 - Recombinant methods and materials for producing epothilone and epothilone derivatives (2010-06-08),
10. 7714118 - Polynucleotides encoding the fkbB gene of the FK-520 polyketide synthase gene cluster (2010-05-11),
11. 7691838 - Method for treating diseases using HSP90-inhibiting agents in combination with antimitotics (2010-04-06),
12. 7691392 - Method of treating multiple myeloma using 17-AAG or 17-AG or a prodrug of either (2010-04-06),
13. 7680601 - Design of polyketide synthase genes (2010-03-16),
14. 7671190 - Recombinant polynucleotides encoding pro-geldanamycin producing polyketide synthases and accessory proteins, and uses thereof (2010-03-02),
15. 7601852 - Macrocyclic kinase inhibitors (2009-10-13),
Kosan Biosciences is a biotechnology company focused on discovering and developing novel therapeutics to treat cancer and other serious diseases. With a strong pipeline of candidates, Kosan is committed to transforming the lives of patients through innovative research and development. Visit our website for more information.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 9 2025

110 Patents

#2 in Hayward, CA

#779 in California

#3,347 in US

#6,948 in the World

...
Hayward, CA, United States of America

Kosan Biosciences Incorporated

Forward Citations = 670

84 inventors:

goldMedal Daniel V Santi (29 out of 61 patents)

silverMedal Gary W Ashley (28 out of 55 patents)

bronzeMedal Chaitan Khosla (20 out of 84 patents)

4.  Robert G McDaniel (18 out of 43 patents)

5.  David C Myles (14 out of 26 patents)

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