Dais Corporation
4Patents
0Active
4Granted
30Portfolio score
Filing activity: Aug 5, 1980 → Jun 25, 1996
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5468574A | Fuel cell incorporating novel ion-conducting membrane | Emerging Cross-Sectional Technologies | 135 | Expired |
| US5679482A | Fuel cell incorporating novel ion-conducting membrane | Emerging Cross-Sectional Technologies | 82 | Expired |
| US5677074A | Gas diffusion electrode | Emerging Cross-Sectional Technologies | 64 | Expired |
| US4318076A | Dynamic climatic condition indicating system | Physics | 24 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.