Ikuo Hiyama
102Patents
22h-index
81Co-inventors
93Inventor score
Filing activity: Jul 31, 1992 → Aug 22, 2013
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7489374B2 | Liquid crystal display | Physics | 166 | Expired |
| US7006173B1 | Liquid crystal display device having particular reflective polarizer | Physics | 151 | Expired |
| US7233304B1 | Liquid crystal display apparatus | Physics | 142 | Expired |
| US7245336B2 | Liquid crystal display device | Physics | 131 | Expired |
| US7038641B2 | Color/black-and-white switchable portable terminal and display unit | Emerging Cross-Sectional Technologies | 105 | Expired |
| US6469755B1 | Illuminating arrangement with reflector having inclined irregularities or corrugations | Physics | 96 | Expired |
| US6104454A | Liquid crystal display | Emerging Cross-Sectional Technologies | 79 | Expired |
| US6556260B1 | Liquid crystal display apparatus | Physics | 66 | Expired |
| US7460103B2 | Liquid crystal display apparatus with luminance distribution calculating, backlight controller, and video correction to improve display contrast ratio | Physics | 64 | Active |
| US5519523A | Liquid crystal display device with residual retardation compensated for in liquid crystal layer | Physics | 49 | Expired |
| US5818554A | Reflective liquid crystal display apparatus which does not require a back light | Physics | 45 | Expired |
| US6561663B2 | Plane-like lighting units and display equipment provided therewith | Emerging Cross-Sectional Technologies | 44 | Expired |
| US5841496A | Reflective liquid crystal display device | Physics | 43 | Expired |
| US6137560A | Active matrix type liquid crystal display apparatus with light source color compensation | Physics | 42 | Expired |
| US6909442B2 | Display device for decompressing compressed image data received | Physics | 40 | Expired |
| US7661844B2 | Illuminating device and liquid-crystal display device using the same | Electricity | 39 | Active |
| US8059235B2 | Liquid crystal display | Physics | 37 | Active |
| US6362862B1 | Liquid crystal display | Electricity | 33 | Expired |
| US7230603B2 | Illumination device and display device using the same | Physics | 26 | Expired |
| US6222598A | Liquid crystal display | Emerging Cross-Sectional Technologies | 26 | Expired |
| US7463235B2 | Light illumination apparatus and liquid crystal display apparatus using the same | Physics | 23 | Expired |
| US5337070A | Display and the method of driving the same | Physics | 22 | Expired |
| US7027023B2 | Liquid crystal display panel, liquid crystal display device, and liquid crystal television | Physics | 21 | Expired |
| US6650472B1 | Luminous intensity distribution control device and display having the same | Physics | 20 | Expired |
| US7595784B2 | Liquid crystal display apparatus with control of LCD and backlight corresponding to an image | Physics | 20 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.