Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4663443 | N-substituted neuraminic acid derivatives | Shohei Shibayama, Shoji Yoshimura, Masayoshi Ito, Tomoya Ogawa | 1987-05-05 |
| 4447600 | N-Acetylneuraminic acid derivatives and the preparation thereof | Haruo Ogura, Kimio Furuhata, Toshiaki Osawa, Satoshi Toyoshima, Masayoshi Ito | 1984-05-08 |