Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8604207 | Nitrogenous heterocyclic derivative and medicine containing the same as an active ingredient | Yoshikazu Takaoka, Shiro Shibayama | 2013-12-10 |
| 8410276 | Nitrogenous heterocyclic derivative and medicine containing the same as an active ingredient | Yoshikazu Takaoka, Shiro Shibayama | 2013-04-02 |
| 8143404 | Nitrogenous heterocylic derivative and medicine containing the same as an active ingredient | Yoshikazu Takaoka, Shiro Shibayama | 2012-03-27 |
| 7910741 | Nitrogen-containing heterocyclic derivatives and drugs containing the same as the active ingredient | Yoshikazu Takaoka, Shiro Shibayama | 2011-03-22 |
| 7498323 | Spiro-piperidine compounds and medicinal use thereof | Yoshikazu Takaoka, Hiromu Habashita, Shiro Shibayama, Masaya Kokubo | 2009-03-03 |