Ryuichiro Maruyama
9Patents
3h-index
23Co-inventors
49Inventor score
Filing activity: Jul 31, 2001 → Jan 14, 2009
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7642541B2 | Functional device and method of manufacturing it | Emerging Cross-Sectional Technologies | 4 | Active |
| US7828620B2 | Method of manufacturing tubular carbon molecule and tubular carbon molecule, method of manufacturing field electron emission device and field electron emission device, and method of manufacturing display unit and display unit | Electricity | 4 | Active |
| US7045240B2 | Power generating apparatus having a proton conductor unit that includes a fullerene derivative | Emerging Cross-Sectional Technologies | 3 | Expired |
| US7719032B2 | Electronic device and its manufacturing method | Emerging Cross-Sectional Technologies | 3 | Expired |
| US7060381B2 | Electric energy generating element | Emerging Cross-Sectional Technologies | 0 | Expired |
| US7056423B2 | Apparatus for producing hydrogen, electrochemical device, method for producing hydrogen and method for generating electrochemical energy | Emerging Cross-Sectional Technologies | 0 | Expired |
| US7892063B2 | Method of manufacturing tubular carbon molecule and tubular carbon molecule, method of manufacturing recording apparatus and recording apparatus, method of manufacturing field electron emission device and field electron emission device, and method of manufacturing display unit and display unit | Electricity | 0 | Active |
| US7790539B2 | Electronic device and method for producing the same | Emerging Cross-Sectional Technologies | 0 | Active |
| US7029782B2 | Electrochemical hydrogen flow rate control system | Emerging Cross-Sectional Technologies | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.