Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4820825 | Method for purifying tryptophan | Masaru Ootani, Masami Kojima | 1989-04-11 |
| 4820869 | Method for the separation of leucine | Masaru Otani, Masami Kojima | 1989-04-11 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4820825 | Method for purifying tryptophan | Masaru Ootani, Masami Kojima | 1989-04-11 |
| 4820869 | Method for the separation of leucine | Masaru Otani, Masami Kojima | 1989-04-11 |