Shigeru Ushiyama
12Patents
2h-index
42Co-inventors
54Inventor score
Filing activity: Mar 26, 1997 → Apr 3, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5908858A | 1,2-diphenylpyrrole derivatives, their preparation and their therapeutic uses | Chemistry; Metallurgy | 18 | Expired |
| US6673804B1 | Sulfonamide derivatives | Chemistry; Metallurgy | 3 | Expired |
| US10000463B2 | Halogen-substituted heterocyclic compound | Chemistry; Metallurgy | 2 | Active |
| US10273252B2 | Substituted dihydropyrrolopyrazole derivative | Chemistry; Metallurgy | 2 | Active |
| USRE39420E1 | 1,2-Diphenylpyrrole derivatives, their preparation and their therapeutic uses | General | 1 | Expired |
| US10894798B2 | Substituted dihydropyrrolopyrazole derivative | Chemistry; Metallurgy | 0 | Active |
| US10023554B2 | Halogen-substituted heterocyclic compound salt | Human Necessities | 0 | Active |
| US10131679B2 | Substituted dihydropyrrolopyrazole compound | Emerging Cross-Sectional Technologies | 0 | Active |
| US10597375B2 | Halogen-substituted heterocyclic compound | Chemistry; Metallurgy | 0 | Active |
| US11396514B2 | Substituted guanidine compounds | Chemistry; Metallurgy | 0 | Active |
| US9676720B2 | Substituted biaryl compound | Chemistry; Metallurgy | 0 | Active |
| US10759781B2 | Substituted guanidine derivatives | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.