Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5510479 | Hydrophobic vitamin B.sub.12 derivatives | Mamoru Yamanishi, Yusuke Takahata, Ichiro Kojima | 1996-04-23 |
| 5405839 | Vitamin B.sub.12 derivative, preparation process thereof, and use thereof | Atsuhiko Ishida, Yasuhide Uejima, Katsuhiko Fujii | 1995-04-11 |