Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5681954 | Piperazine derivatives | Kenjiro Yamamoto, Atsushi Hasegawa, Hideki Kubota, Masahiro Ando, deceased | 1997-10-28 |
| 5661150 | Drug for neuroprotection | Yasufumi Shirasaki | 1997-08-26 |