Koji Higashi
28Patents
13h-index
37Co-inventors
81Inventor score
Filing activity: May 26, 1987 → Jan 5, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5061042A | Phase retarder and liquid crystal display using the same | Physics | 48 | Expired |
| US5430566A | Liquid crystal device with phase retarder having layered inorganic compound | Emerging Cross-Sectional Technologies | 28 | Expired |
| US6060183A | Phase retarder and liquid crystal display device using the same | Physics | 27 | Expired |
| US5688436A | Optically anisotropic material, process for producing it, and retardation plate and liquid crystal display device using same | Chemistry; Metallurgy | 20 | Expired |
| US5366682A | Process for producing phase retarder | Emerging Cross-Sectional Technologies | 20 | Expired |
| US6083340A | Process for manufacturing a multi-layer circuit board | Emerging Cross-Sectional Technologies | 19 | Expired |
| US4802745A | Light-polarizing films | Emerging Cross-Sectional Technologies | 18 | Expired |
| US5285303A | Phase retarder and process for producing the same | Physics | 15 | Expired |
| US6208396A | Normally white mode twisted nematic liquid crystal display device having improved viewing angle characteristics | Physics | 15 | Expired |
| US5920454A | Capacitor-mounted circuit board | Electricity | 15 | Expired |
| US6225570A | Circuit board having electric component and its manufacturing method | Electricity | 15 | Expired |
| US5474731A | Process for producing phase retarder film | Emerging Cross-Sectional Technologies | 14 | Expired |
| US5310509A | Dye-containing light-polarizing film | Physics | 13 | Expired |
| US5888634A | Phase retarder film | Emerging Cross-Sectional Technologies | 10 | Expired |
| US5693253A | Optically anisotropic material, process for producing it, and retardation plate and liquid crystal device using same | Chemistry; Metallurgy | 10 | Expired |
| US5082601A | Light-polarizing films | Emerging Cross-Sectional Technologies | 10 | Expired |
| US5354512A | Dye-containing polarizing film | Physics | 9 | Expired |
| US5658505A | Process for making a phase retarder film | Emerging Cross-Sectional Technologies | 9 | Expired |
| US5631755A | Layered inorganic compound-containing phase retarder | Emerging Cross-Sectional Technologies | 8 | Expired |
| US7820252B2 | Transflective film, transflective polarizer, and polarizing light source device and liquid crystal display device using the same | Emerging Cross-Sectional Technologies | 5 | Expired |
| US5926313A | Phase retarder film | Physics | 5 | Expired |
| US6097460A | Phase retarder film containing TiO.sub.2 | Physics | 5 | Expired |
| US6783125B2 | Stapler processing apparatus for paper collating machine | Performing Operations; Transporting | 3 | Expired |
| US6807005B2 | Polarizer, polarizing light source device and liquid crystal display | Physics | 3 | Expired |
| US8871345B2 | Method for producing composite pellet for extrusion molding, and composite pellet for extrusion molding produced by the method | Emerging Cross-Sectional Technologies | 2 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.