Keizo Kan
12Patents
5h-index
61Co-inventors
69Inventor score
Filing activity: Apr 20, 1994 → Nov 24, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6096736A | Benzazepine derivatives with vasopressin agonistic activity | Chemistry; Metallurgy | 22 | Expired |
| US6096735A | Benzoheterocyclic derivatives | Chemistry; Metallurgy | 13 | Expired |
| US5498609A | Benzoazepinyl compounds as oxytocin and vasopressin antagonists | Chemistry; Metallurgy | 11 | Expired |
| US6335327B1 | Benzoheterocyclic derivatives | Chemistry; Metallurgy | 6 | Expired |
| US5677299A | Benzoheterocyclic compounds | Chemistry; Metallurgy | 5 | Expired |
| US8188277B2 | Aromatic compounds for suppressing the generation of collagen | Chemistry; Metallurgy | 4 | Active |
| US6642223B2 | Benzoheterocyclic derivatives | Chemistry; Metallurgy | 3 | Expired |
| US8236826B2 | Diarylether derivatives as antitumor agents | Human Necessities | 2 | Active |
| US8940727B2 | Benzazepine compound | Human Necessities | 1 | Active |
| US10889570B2 | Benzazepine derivatives | Chemistry; Metallurgy | 0 | Active |
| US11673878B2 | Benzazepine derivatives | Chemistry; Metallurgy | 0 | Active |
| US8551999B2 | Heterocyclic compound and pharmaceutical composition thereof | Chemistry; Metallurgy | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.