Takaaki Matsubayashi
16Patents
5h-index
30Co-inventors
66Inventor score
Filing activity: Nov 12, 1991 → Jul 1, 2013
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6103411A | Hydrogen production apparatus and method operable without supply of steam and suitable for fuel cell systems | Emerging Cross-Sectional Technologies | 95 | Expired |
| US5229222A | Fuel cell system | Emerging Cross-Sectional Technologies | 72 | Expired |
| US5314762A | Portable power source | Emerging Cross-Sectional Technologies | 47 | Expired |
| US5366820A | Fuel cell system | Emerging Cross-Sectional Technologies | 43 | Expired |
| US5958613A | Polymer electrolyte fuel cell and a polymer electrolyte fuel cell system which supply anode-side channels with a gas-liquid mixture | Emerging Cross-Sectional Technologies | 22 | Expired |
| US7285352B2 | Separator for fuel cell and fuel cell therewith | Emerging Cross-Sectional Technologies | 4 | Expired |
| US6383676B1 | Polymer electrolyte fuel cell device | Emerging Cross-Sectional Technologies | 4 | Expired |
| US7691505B2 | Fuel cell system | Emerging Cross-Sectional Technologies | 1 | Active |
| US8067126B2 | Fuel cell, method for operating full cell and fuel cell system | Emerging Cross-Sectional Technologies | 1 | Expired |
| US8715869B2 | Fuel cell, method for operating fuel cell and fuel cell system | Emerging Cross-Sectional Technologies | 0 | Active |
| US8563181B2 | Fuel cell, method for operating fuel cell and fuel cell system | Emerging Cross-Sectional Technologies | 0 | Active |
| US8221926B2 | Fuel cell, method for operating fuel cell and fuel cell system | Emerging Cross-Sectional Technologies | 0 | Active |
| US8158287B2 | Fuel cell | Emerging Cross-Sectional Technologies | 0 | Active |
| US8206866B2 | Fuel cell, method for operating fuel cell and fuel cell system | Emerging Cross-Sectional Technologies | 0 | Active |
| US7584464B2 | Software processing method and software processing system | Physics | 0 | Active |
| US8268500B2 | Fuel cell, method for operating fuel cell and fuel cell system | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.