Koichi Kikuchi
9Patents
5h-index
27Co-inventors
59Inventor score
Filing activity: Apr 25, 1995 → Mar 3, 2009
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5612356A | Heterocycle-containing carbonic acid derivatives | Chemistry; Metallurgy | 96 | Expired |
| US7078405B2 | Imidazo[1,2-b]pyridazine compound | Chemistry; Metallurgy | 12 | Expired |
| US7091215B2 | Pyrazolo[1,5-a]pyridines and medicines containing the same | Chemistry; Metallurgy | 12 | Expired |
| US7285666B2 | Pyrazolo[1,5-a] pyridines and medicines containing the same | Chemistry; Metallurgy | 11 | Active |
| US7176216B2 | 7-phenylpyrazolopyridine compounds | Chemistry; Metallurgy | 6 | Expired |
| US6583138B1 | Heterocyclic-ring condensed benzothiazine compound | Chemistry; Metallurgy | 5 | Expired |
| US7323569B2 | 7-phenylpyrazolopyridine compounds | Chemistry; Metallurgy | 4 | Expired |
| US7625925B2 | Pyrazolo[1,5-a]pyridines and medicines containing the same | Chemistry; Metallurgy | 3 | Active |
| US7772249B2 | Imidazo[1,2-b]pyridazine compound | Chemistry; Metallurgy | 3 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.