Yasuhiro Hamamoto
30Patents
13h-index
38Co-inventors
81Inventor score
Filing activity: Jan 28, 1994 → Dec 15, 2015
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6246168A | Electron-emitting device, electron source and image-forming apparatus as well as method of manufacturing the same | Electricity | 94 | Expired |
| US6147449A | Electron-emitting device, with coating film made of heat-resistant material and electron source and image-forming apparatus using the device and manufacture method thereof | Electricity | 72 | Expired |
| US6171162A | Electron-emitting device, electron source and image-forming apparatus using the device, and manufacture methods thereof | Electricity | 61 | Expired |
| US5847495A | Electron-emitting device and image forming apparatus using same | Electricity | 57 | Expired |
| US6179678A | Method of manufacturing electron-emitting device electron source and image-forming apparatus | Electricity | 54 | Expired |
| US6626719B2 | Method of manufacturing electron-emitting device as well as electron source and image-forming apparatus | Electricity | 42 | Expired |
| US5593335A | Method of manufacturing an electron source | Electricity | 37 | Expired |
| US6608437B1 | Electron-emitting device, electron source and image-forming apparatus as well as method of manufacturing the same | Electricity | 21 | Expired |
| US5674100A | Method of manufacturing electron-emitting device | Electricity | 19 | Expired |
| US6409563B1 | Electron-emitting device manufacturing method and apparatus, driving method, and adjusting method | Electricity | 16 | Expired |
| US6334801B1 | Electron-emitting device and electron source and image-forming apparatus using the same as well as method of manufacturing the same | Electricity | 16 | Expired |
| US5861227A | Methods and manufacturing electron-emitting device, electron source, and image-forming apparatus | Electricity | 15 | Expired |
| US6396207B1 | Image display apparatus and method for producing the same | Electricity | 14 | Expired |
| US5505647A | Method of manufacturing image-forming apparatus | Electricity | 12 | Expired |
| US7057336B2 | Electron-emitting device, electron source and image-forming apparatus as well as method of manufacturing the same | Electricity | 12 | Expired |
| US6831401B1 | Electron-emitting device, electron source using the electron-emitting device, and image-forming apparatus using the electron source | Electricity | 11 | Expired |
| US6259422A | Method for producing image-forming apparatus | Electricity | 11 | Expired |
| US6473063B1 | Electron source, image-forming apparatus comprising the same and method of driving such an image-forming apparatus | Electricity | 10 | Expired |
| US6034478A | Electron-emitting device and electron source and image-forming apparatus using the same as well as method of manufacturing the same | Electricity | 10 | Expired |
| US6876156B1 | Electron-emitting device, electron source using the same, and image forming apparatus using the same | Electricity | 9 | Expired |
| US6652343B2 | Method for gettering an image display apparatus | Electricity | 8 | Expired |
| US7234985B2 | Method for manufacturing an electric emitting device with first and second carbon films | Electricity | 8 | Expired |
| US6992428B2 | Electron emitting device, electron source and image display device and methods of manufacturing these devices | Electricity | 6 | Expired |
| US6760002B2 | Electron source, image-forming apparatus comprising the same and method of driving such an image-forming apparatus | Electricity | 4 | Expired |
| US7774152B2 | Method of manufacturing image display apparatus | Physics | 2 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.