Keitaro Katsu
7Patents
7h-index
6Co-inventors
48Inventor score
Filing activity: Mar 15, 1991 → Dec 8, 1997
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6324049A | Electric double layer capacitor | Emerging Cross-Sectional Technologies | 36 | Expired |
| US5859761A | Electric double-layer capacitor | Emerging Cross-Sectional Technologies | 24 | Expired |
| US5786981A | Basic cell for an electric double layer capacitor | Emerging Cross-Sectional Technologies | 24 | Expired |
| US5253148A | Electric double layer capacitor | Emerging Cross-Sectional Technologies | 18 | Expired |
| US5093762A | Electric double-layer capacitor | Emerging Cross-Sectional Technologies | 17 | Expired |
| US5959830A | Electric double layer capacitor | Emerging Cross-Sectional Technologies | 14 | Expired |
| US5781403A | Electric double layer capacitor having hydrophobic powdery activated charcoal | Emerging Cross-Sectional Technologies | 11 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.