Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5747306 | Process for producing 2-keto-L-gulonic acid using electrodialysis | Masahide Oka, Takamasa Yamaguchi | 1998-05-05 |
| 5705373 | Production of 2-keto-L-gulonic acid using pseudogluconobacter saccharoketogenes with recycling | Takamasa Yamaguchi, Giichi Tanaka | 1998-01-06 |