Shigeo Itoh
86Patents
18h-index
96Co-inventors
87Inventor score
Filing activity: Jul 3, 1984 → Oct 15, 2008
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6986877B2 | Method for preparing nano-carbon fiber and nano-carbon fiber | Emerging Cross-Sectional Technologies | 120 | Expired |
| US5402041A | Field emission cathode | Electricity | 69 | Expired |
| US5858278A | Phosphor and method for producing same | Chemistry; Metallurgy | 65 | Expired |
| US5693111A | Method for sealedly forming envelope | Electricity | 50 | Expired |
| US5256936A | Image display device | Electricity | 37 | Expired |
| US5469014A | Field emission element | Electricity | 34 | Expired |
| US5637023A | Field emission element and process for manufacturing same | Electricity | 34 | Expired |
| US5656889A | Getter, getter device and fluorescent display device | Electricity | 31 | Expired |
| US5189341A | Electron emitting element | Electricity | 30 | Expired |
| US5619098A | Phosphor and fluorescent display device | Chemistry; Metallurgy | 28 | Expired |
| US5564958A | Method for manufacturing display device | Electricity | 24 | Expired |
| US5635795A | Getter chamber for flat panel displays | Electricity | 21 | Expired |
| US5612587A | Field emission cathode | Electricity | 21 | Expired |
| US5656330A | Resistive element having a resistivity which is thermally stable against heat treatment, and method and apparatus for producing same | Electricity | 21 | Expired |
| US5594298A | Field emission cathode device | Electricity | 21 | Expired |
| US4582210A | Casing for display device | Electricity | 20 | Expired |
| US5584739A | Field emission element and process for manufacturing same | Electricity | 19 | Expired |
| US5786659A | Field emission type electron source | Electricity | 18 | Expired |
| US6113807A | Phosphor and method for producing same | Emerging Cross-Sectional Technologies | 15 | Expired |
| US7239073B2 | Carbon substance and method for manufacturing the same, electron emission element and composite materials | Emerging Cross-Sectional Technologies | 14 | Expired |
| US5786795A | Field emission display (FED) with matrix driving electron beam focusing and groups of strip-like electrodes used for the gate and anode | Physics | 13 | Expired |
| US4770310A | Casing for display device | Electricity | 13 | Expired |
| US5793154A | Field emission element | Electricity | 12 | Expired |
| US6468584B1 | Method for manufacturing conductive thin film patterned substrate | Emerging Cross-Sectional Technologies | 12 | Expired |
| US6163107A | Field emission cathode | Electricity | 12 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.