Yasuhiro Koike
105Patents
23h-index
125Co-inventors
93Inventor score
Filing activity: Sep 16, 1983 → Aug 29, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7583901B2 | Illuminative light communication device | Electricity | 338 | Expired |
| US6222689A | Surface light source device and asymmetrical prism sheet | Physics | 162 | Expired |
| US6037745A | Battery charger with monitor and protection circuits | Emerging Cross-Sectional Technologies | 123 | Expired |
| US5982540A | Surface light source device with polarization function | Emerging Cross-Sectional Technologies | 110 | Expired |
| US5659410A | Surface light source device and liquid crystal display | Physics | 106 | Expired |
| US5548670A | Light-scattering light-guiding device | Physics | 87 | Expired |
| US5899552A | Surface light source device | Emerging Cross-Sectional Technologies | 74 | Expired |
| US6172809A | Surface light source device with polarization function | Emerging Cross-Sectional Technologies | 56 | Expired |
| US6322225A | Light scattering guiding light source device and liquid crystal display | Physics | 52 | Expired |
| US5914759A | Surface light source device, liquid crystal display and asymmetric prism sheet | Physics | 51 | Expired |
| US5542017A | Light scattering light guide and applied optical apparatuses | Emerging Cross-Sectional Technologies | 49 | Expired |
| US5528709A | Corner supply type plane light source device | Emerging Cross-Sectional Technologies | 46 | Expired |
| US5887964A | Surface light source device and liquid crystal display | Physics | 38 | Expired |
| US8828121B1 | Gas separation membranes based on perfluorinated polymers | Emerging Cross-Sectional Technologies | 37 | Active |
| US5944298A | Engine-mounting bracket | Performing Operations; Transporting | 36 | Expired |
| US5993020A | Light scattering and guiding light source device and liquid crystal display | Physics | 35 | Expired |
| US5760139A | Graded-refractive-index optical plastic material and method for its production | Physics | 34 | Expired |
| US5966192A | Surface light source device and a liquid crystal display | Physics | 34 | Expired |
| US6217184A | Light source device with uniformity in color temperature of emission | Physics | 29 | Expired |
| US5541247A | Optical resin materials with distributed refractive index, process for producing the materials, and optical conductors using the materials | Emerging Cross-Sectional Technologies | 27 | Expired |
| US6290364A | Surface light source device | Emerging Cross-Sectional Technologies | 26 | Expired |
| US5783636A | Graded-refractive-index optical plastic material and method for its production | Physics | 26 | Expired |
| US5593621A | Method of manufacturing plastic optical transmission medium | Performing Operations; Transporting | 24 | Expired |
| US5285107A | Hybrid integrated circuit device | Electricity | 23 | Expired |
| US6373221B2 | Charger coupling | Emerging Cross-Sectional Technologies | 22 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.