Masao Urayama
12Patents
6h-index
24Co-inventors
66Inventor score
Filing activity: Jun 21, 1995 → Dec 19, 2016
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6650061B1 | Electron-source array and manufacturing method thereof as well as driving method for electron-source array | Performing Operations; Transporting | 40 | Expired |
| US6545396B1 | Image forming device using field emission electron source arrays | Electricity | 29 | Expired |
| US8173487B2 | Semiconductor element, method for manufacturing same, and electronic device including same | Emerging Cross-Sectional Technologies | 16 | Active |
| US5676873A | Microwave oven and magnetron with cold cathode | Electricity | 14 | Expired |
| US6741017B1 | Electron source having first and second layers | Emerging Cross-Sectional Technologies | 10 | Expired |
| US7375366B2 | Carbon nanotube and method for producing the same, electron source and method for producing the same, and display | Emerging Cross-Sectional Technologies | 7 | Expired |
| US6570305B1 | Field emission electron source and fabrication process thereof | Electricity | 5 | Expired |
| US7030550B2 | Electron emission device with multi-layered fate electrode | Electricity | 2 | Expired |
| US5800233A | Process of fabricating field-emission type electron source, electron source fabricated thereby and element structure of electron source | Electricity | 1 | Expired |
| US7078863B2 | Cold-cathode electron source and field-emission display | Electricity | 1 | Expired |
| US10919683B2 | Thermal energy storage pack, thermal exchange unit, and manufacturing method of thermal energy storage pack | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US11130896B2 | Heat-storage material and refrigerator and cooling container that include the heat-storage material | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.