Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4743695 | Tedanolide | Sarath P. Gunasekera, M. Bilayet Hossain, Dick van der Helm, Gopichand Yalamanchili | 1988-05-10 |
| 4314057 | Acanthifolic acid-new antitumor and antibiotic agent | Dick van der Helm, M. Bilayet Hossain, Yalamanchili Gopichand, Ravi Prasad | 1982-02-02 |
| 4302470 | Acanthifolic acid--new anti-tumor and antibiotic agent | Dick van der Helm, M. Bilayet Hossain, Yalamanchili Gopichand, Ravi Prasad | 1981-11-24 |