Masao Fukuyama
15Patents
12h-index
19Co-inventors
71Inventor score
Filing activity: Mar 31, 1989 → Dec 21, 2000
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6198217A | Organic electroluminescent device having a protective covering comprising organic and inorganic layers | Electricity | 408 | Expired |
| US5707747A | Amine compound and electro-luminescence device comprising same | Emerging Cross-Sectional Technologies | 119 | Expired |
| US5424907A | Solid electrolytic capacitors and method for manufacturing the same | Emerging Cross-Sectional Technologies | 50 | Expired |
| US6831406B1 | Electroluminescent device having a very thin emission layer | Electricity | 47 | Expired |
| US5187650A | Solid electrolytic capacitors and method for manufacturing the same | Emerging Cross-Sectional Technologies | 39 | Expired |
| US4943892A | Solid electrolytic capacitor and method for manufacturing the same | Electricity | 37 | Expired |
| US5140502A | Solid electrolytic capacitors and method for manufacturing the same | Electricity | 26 | Expired |
| US4959753A | Solid electrolytic capacitor and method of manufacturing the same | Emerging Cross-Sectional Technologies | 25 | Expired |
| US5117332A | Solid electrolytic capacitors and method for manufacturing the same | Emerging Cross-Sectional Technologies | 21 | Expired |
| US5071521A | Method for manufacturing a solid electrolytic capacitor | Electricity | 21 | Expired |
| US6392338B1 | Organic light emitter having optical waveguide for propagating light along the surface of the substrate | Electricity | 20 | Expired |
| US5187649A | Solid electrolytic capacitor and method for manufacturing the same | Electricity | 13 | Expired |
| US5223120A | Method for fabricating solid electrolytic capacitors using an organic conductive layer | Electricity | 12 | Expired |
| US6730929B2 | Organic electroluminescent device | Electricity | 9 | Expired |
| US6277503A | Organic electroluminescent component | Emerging Cross-Sectional Technologies | 3 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.