Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6197775 | Phosphonate nucleotide derivatives | Masaru Ubasawa, Hideaki Takashima, Kouichi Sekiya, Satoshi Yuasa, Naohiro Kamiya | 2001-03-06 |
| 6037335 | Phosphonate-nucleotide ester derivatives | Hideaki Takashima, Masaru Ubasawa, Kouichi Sekiya, Shingo Yabuuchi | 2000-03-14 |