Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4360594 | Process for producing L-tryptophan or derivatives thereof using microorganisms | Yasuyuki Takahashi, Katsumi Yuasa, Mitsuru Shibukawa | 1982-11-23 |
| 4349627 | Process for producing L-tryptophan or derivatives thereof using a microorganism | Yasuyuki Takahashi, Katsumi Yuasa, Mitsuru Shibukawa | 1982-09-14 |