Yukihiro Sumida
22Patents
11h-index
28Co-inventors
75Inventor score
Filing activity: Dec 9, 1992 → Oct 15, 2012
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5956001A | Image display device | Electricity | 114 | Expired |
| US6879354B1 | Front-illuminating device and a reflection-type liquid crystal display using such a device | Physics | 89 | Expired |
| US6340999B1 | Front light, and reflective type LCD including same | Physics | 86 | Expired |
| US6650382B1 | Reflective LCD with front light and protective member with window | Physics | 51 | Expired |
| US5467204A | Liquid crystal light valve with dual function as both optical-to-electrical and optical-to-optical transducer | Electricity | 34 | Expired |
| US6784962B2 | Method for fabricating a laminate film and method for fabricating a display device | Emerging Cross-Sectional Technologies | 27 | Expired |
| US5805250A | Liquid crystal display device with contact holes extending through interlayer insulating film between switching elements and pixel electrodes | Physics | 25 | Expired |
| US7384178B2 | Illumination device for flat-panel display and light-emitting lamp | Physics | 19 | Expired |
| US7244476B2 | Display device including adhesive film with transparent support | Emerging Cross-Sectional Technologies | 18 | Expired |
| US6940570B1 | Lighting element for liquid crystal display | Physics | 15 | Expired |
| US6628352B1 | Liquid crystal display apparatus and electronic device incorporating the same wherein the optical guide having particular periodic structure | Physics | 14 | Expired |
| US5640260A | Liquid crystal light valve having a Eopt of less than 0.5 eV | Physics | 11 | Expired |
| US8754332B2 | Display device | Electricity | 5 | Active |
| US7198831B2 | Multi-layer sheet and liquid crystal display device | Emerging Cross-Sectional Technologies | 5 | Expired |
| US7973880B2 | Illumination device and liquid crystal display device | Physics | 4 | Active |
| US5541751A | Light scan type display device having light waveguides and photo conductive switching elements | Physics | 4 | Expired |
| US7542117B2 | Liquid crystal display device having a selective reflection layer, mobile electronic device incorporating the same, and substrate for liquid crystal display device having a selective reflection layer | Physics | 3 | Active |
| US6882381B2 | Liquid crystal display apparatus and electronic device incorporating the same | Physics | 2 | Expired |
| US8063922B2 | Liquid crystal display device | Physics | 2 | Active |
| US7714956B2 | Front illuminating device and a reflection-type liquid crystal display using such a device | Physics | 1 | Active |
| US9298046B2 | Liquid crystal display panel | Electricity | 0 | Active |
| US8226261B2 | Illumination device, backlight device used for liquid crystal display apparatus and liquid crystal display apparatus | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.