Akimitsu Ishihara
8Patents
3h-index
17Co-inventors
50Inventor score
Filing activity: Nov 30, 2004 → Jun 9, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7670712B2 | Metal oxynitride electrode catalyst | Emerging Cross-Sectional Technologies | 6 | Expired |
| US7919427B2 | Catalyst carrier and fuel cell using the same | Emerging Cross-Sectional Technologies | 5 | Active |
| US7749935B2 | Catalyst carrier and fuel cell using the same | Emerging Cross-Sectional Technologies | 3 | Active |
| US10658676B2 | Oxygen reduction catalyst | Emerging Cross-Sectional Technologies | 0 | Active |
| US7919215B2 | Corrosion resistant metal oxide electrode catalyst for oxygen reduction | Emerging Cross-Sectional Technologies | 0 | Active |
| US12142769B2 | Oxygen reduction catalyst, fuel cell, air cell, and method for producing oxygen reduction catalyst | Emerging Cross-Sectional Technologies | 0 | Active |
| US9630169B2 | Semiconductor material, optical hydrogen generating device using same, and method of producing hydrogen | Emerging Cross-Sectional Technologies | 0 | Active |
| US10050282B2 | Oxygen reduction catalyst and production method therefor | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.