Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5654296 | Condensed heterocyclic compounds, their production and use | Kaneyoshi Kato, Yoshihiro Sugiura, Koichi Kato | 1997-08-05 |
| 5607939 | Condensed heterocyclic compounds, their production and use | Kaneyoshi Kato, Yoshihiro Sugiura, Koichi Kato | 1997-03-04 |
| 5591849 | Spiro[naphthalene-2(1H),2'-piperidine] and their use | Kaneyoshi Kato, Jun Terauchi | 1997-01-07 |