Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5030626 | Fluorine derivatives of vitamin D.sub.3 and process for producing the same | Yoshikazu Saito, Toshio Nishizawa, Takashi Katsumata, Itsuro Sugata | 1991-07-09 |
| 4853378 | Fluorine derivatives of vitamin D.sub.3 and process for producing the same | Yoshikazu Saito, Toshio Nishizawa, Takashi Katsumata | 1989-08-01 |