Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5292923 | Method of preparing .alpha.-l-aspartyl-l-phenylalanine methyl ester hydrochloride | Toshihisa Kato, Shinichi Kishimoto, Hideo Takeda, Tadashi Takemoto | 1994-03-08 |
| 5118840 | Method of crystallizing phenylalanine | Shinji Fujita, Tadashi Takemoto, Toshihisa Kato, Naoko Sugiyama | 1992-06-02 |