Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9802959 | Method of producing (4R,12aS)-7,9-dihalo-4-methyl-3,4,12,12a-tetrahydro-2H-pyrido[1′,2′:4,5]pyrazino[2,1-b][1,3]oxazine-6,8-diones | Yukihito Sumino, Moriyasu Masui, Fumiya Ikarashi, Kazuya Okamoto | 2017-10-31 |
| 9321789 | Methods of producing substituted (4R,12AS)-7-hydroxy-4-methyl-6,8-dioxo-3,4,6,8,12,12A-hexahydro-2H-pyrido[1′,2′:4,5]pyrazino[2,1-B][1,3]oxazine-9-carboxamides | Yukihito Sumino, Moriyasu Masui, Fumiya Ikarashi, Kazuya Okamoto | 2016-04-26 |