Fumiaki Yamada
44Patents
15h-index
52Co-inventors
84Inventor score
Filing activity: Feb 22, 1982 → Nov 24, 2011
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6448951B1 | Liquid crystal display device | Physics | 133 | Expired |
| US6867828B2 | Light guide apparatus, a backlight apparatus and a liquid crystal display apparatus | Physics | 75 | Expired |
| US6667782B1 | Light guide apparatus, a backlight apparatus and a liquid crystal display apparatus | Physics | 65 | Expired |
| US4779166A | Illuminating apparatus | Physics | 56 | Expired |
| US5704703A | Lighting device and display device using the lighting device | Physics | 50 | Expired |
| US5570210A | Liquid crystal display device with directional backlight and image production capability in the light scattering mode | Physics | 45 | Expired |
| US5764845A | Light guide device, light source device, and liquid crystal display device | Emerging Cross-Sectional Technologies | 32 | Expired |
| US5799126A | Light guide device, light source device, and liquid crystal display device | Emerging Cross-Sectional Technologies | 30 | Expired |
| US7277079B2 | Illumination device and liquid crystal display device using the same | Physics | 29 | Expired |
| US7164454B2 | Color filterless display device, optical element, and manufacture | Physics | 22 | Expired |
| US6556181B2 | Matrix driven liquid crystal display module system apparatus and method | Physics | 22 | Expired |
| US4471384A | Optical reader | Electricity | 20 | Expired |
| US7548674B1 | Alignment method for circular multi-core optical fiber | Physics | 19 | Active |
| US5863114A | Light emissive panel unit | Physics | 19 | Expired |
| US6612709B2 | Lighting device and display device using the lighting device | Physics | 18 | Expired |
| US6600528B2 | Integrated prism sheet for improved viewing angle in direct view color filterless liquid crystal displays | Physics | 15 | Expired |
| US5835249A | Apparatus and method for exposing a liquid crystal panel by beam scanning | Physics | 13 | Expired |
| US7447405B1 | Ferrule for optical wave guide | Physics | 12 | Active |
| US5596430A | Distributed index light deflector and method of light deflection | Physics | 10 | Expired |
| US7936412B2 | Color filterless display device, optical element, and manufacture | Physics | 9 | Active |
| US4460934A | Magnetic head with full and partial coils for azimuth information | Physics | 9 | Expired |
| US4796267A | Laser control circuit | Electricity | 8 | Expired |
| US4446355A | Crossover construction of thermal-head and method of manufacturing same | Emerging Cross-Sectional Technologies | 8 | Expired |
| US6986600B2 | Lighting device and display device using the lighting device | Physics | 7 | Expired |
| US8767139B2 | Color filterless display device, optical element, and manufacture | Physics | 6 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.