Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5214170 | Radioisotope iodine-labeled 1.alpha. (or 24R), 25-dihydroxy vitamin D.sub.3 | Shigeru Ikuta | 1993-05-25 |
| 5202266 | 25-hydroxy vitamin D.sub.3 derivatives, process for their production, and assay method using the same | Nobuaki Nakagawa, Shigeru Ikuta | 1993-04-13 |
| 5117018 | 1.alpha. (or 24R), 25-dihydroxy vitamin D.sub.3 derivatives | Shigeru Ikuta | 1992-05-26 |
| 5075465 | 25-hydroxy vitamin D.sub.3 derivatives, process for their production, and assay method using the same | Nobuaki Nakagawa, Shigeru Ikuta | 1991-12-24 |