Patent Explorer
Browse, filter, and analyze 3 patents across global jurisdictions.
| Patent Number | Title | Assignee | Status | Filing Date | Grant Date | Expires | Remaining | Claims | Actions |
|---|---|---|---|---|---|---|---|---|---|
| US5296492A | Certain chroman derivatives useful for treating symptoms caused by contraction of smooth muscles, circulatory diseases or epilepsy | Nippon Kayaku Co Ltd | Expired / Lapsed | 1992-06-03 | 1994-03-22 | 2012-06-03 | 0.0 yrs | 19 | |
| US4152410A | Diagnosis reagent for neoplasm and method for diagnosis of neoplasm | Nippon Kayaku Co Ltd | Expired / Lapsed | 1976-09-01 | 1979-05-01 | 1996-09-01 | 0.0 yrs | 30 | |
| US4059686A | Pharmaceutical preparation for oral cavity administration | Nippon Kayaku Co Ltd | Expired / Lapsed | 1975-09-22 | 1977-11-22 | 1995-09-22 | 0.0 yrs | 9 |