Yoji Oki
20Patents
8h-index
34Co-inventors
75Inventor score
Filing activity: Oct 23, 1990 → Jul 8, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5408388A | Planar illuminating device | Physics | 64 | Expired |
| US6124906A | Wedge shaped light guide providing enhanced polarized light to a backlight liquid crystal display | Physics | 58 | Expired |
| US6323919A | Reflection type display with front light | Physics | 51 | Expired |
| US6027222A | Back light device for crystal liquid display | Physics | 48 | Expired |
| US6055029A | Backlighting system for a liquid crystal display including an integrally molded light guiding plate and frame with a deformation absorbing means | Physics | 35 | Expired |
| US6692133B2 | Plane light source apparatus, light guide plate and display | Physics | 17 | Expired |
| US5558420A | Flat lighting device | Physics | 13 | Expired |
| US6118503A | Light guide device enhancing a polarized component and liquid crystal display device | Physics | 13 | Expired |
| US5128973A | Circuit system for preventing measuring device from being erroneously operated | Electricity | 7 | Expired |
| US6344886B2 | Light guide device enhancing a polarized component and liquid crystal display device | Physics | 6 | Expired |
| US8786804B2 | Surface light source device and LCD unit | Physics | 2 | Active |
| US10684405B2 | Side-edge type surface light emitting apparatus having light guide plate sandwiched by upper and lower prism sheets | Physics | 1 | Active |
| US8368842B2 | Surface light source device and LCD unit | Physics | 1 | Active |
| US12038594B2 | Light guide plate, lighting apparatus, and display apparatus | Physics | 0 | Active |
| US8922726B2 | Non-spectacled stereoscopic display apparatus capable of decreasing crosstalk | Physics | 0 | Active |
| US10036844B2 | Surface light source device and prism sheet | Physics | 0 | Active |
| US8403550B2 | Surface light source device | Physics | 0 | Active |
| US8847854B2 | Non-spectacled stereoscopic display apparatus capable of improving optical characteristics | Electricity | 0 | Active |
| US7094520B2 | Die for molding optical panel, process for production thereof, and use thereof | Physics | 0 | Expired |
| US11762240B2 | Side-edge type surface light emitting apparatus having light guide plate sandwiched by upper and lower prism sheets | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.