Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6919455 | Purine derivative dihydrate, drugs containing the same as the active ingredient and intermediate in the production thereof | Akihiro Takemiya | 2005-07-19 |
| 6767900 | Phosphonate nucleotide compound | Masaru Ubasawa | 2004-07-27 |
| 6660745 | Purine derivative dihydrate, drugs containing the same as the active ingredient and intermediate in the production thereof | Akihiro Takemiya, Masahiro Ohshima | 2003-12-09 |
| 6197775 | Phosphonate nucleotide derivatives | Masaru Ubasawa, Hideaki Takashima, Naoko Inoue, Satoshi Yuasa, Naohiro Kamiya | 2001-03-06 |
| 6194398 | Phosphonate nucleotide compound | Masaru Ubasawa, Hideaki Takashima, Naoko Ueda, Satoshi Yuasa, Naohiro Kamiya | 2001-02-27 |
| 6037335 | Phosphonate-nucleotide ester derivatives | Hideaki Takashima, Naoko Inoue, Masaru Ubasawa, Shingo Yabuuchi | 2000-03-14 |
| 5840716 | Phosphonate nucleotide compounds | Masaru Ubasawa, Hideaki Takashima, Naoko Ueda, Satoshi Yuasa, Naohiro Kamiya | 1998-11-24 |