Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5817238 | Process for producing purified L-ascorbic acid | Kazuhiro Kawai, Masatake Tanimura, Masao Tamura | 1998-10-06 |
| 5227515 | Process for producing lower alkyl 2-keto-L-gulonate | Masaki Sokukawa, Yoshihiro Yasumura | 1993-07-13 |