Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5688948 | Process for isomerizing acyclic nucleosides and process for separating purine nucleosides | Kunisuke Izawa, Yoshihito Koguchi, Hiroshi Shiragami, Yumiko Uchida | 1997-11-18 |
| 5633366 | Pyrimidine nucleoside derivatives and methods for producing them | Hiroshi Shiragami, Yumiko Uchida, Kunisuke Izawa | 1997-05-27 |