Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5968788 | Method for producing folic acid | Tetsu Yonehara | 1999-10-19 |
| 4971907 | Method for producing pyruvic acid by fermentation | Tetsu Yonehara, Kyousuke Yotsumoto, Hiromi Tsutsui | 1990-11-20 |