Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5215630 | Method of purifying eicosapentaenoic acid or the ester derivative thereof by fractional distillation | Kazuhiko Hata, Hideo Noda | 1993-06-01 |
| 4377526 | Method of purifying eicosapentaenoic acid and its esters | Takao Fujita | 1983-03-22 |