Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5643769 | Process for producing an optically active .gamma.-hydroxy-L-glutamic acid | Ryoichi Katsumata | 1997-07-01 |
| 5607848 | Process for producing optically active 4-hydroxy-2-ketoglutaric acid using microorganisms | Ryoichi Katsumata, Keiko Ochiai | 1997-03-04 |
| 5607875 | Method of separating a semiconductor wafer with dielectrics | Masato Nishizawa, Yoshiyuki Sugahara | 1997-03-04 |
| 5596143 | Instrument | — | 1997-01-21 |