Tomoki Gunjima
39Patents
18h-index
33Co-inventors
81Inventor score
Filing activity: May 24, 1973 → Oct 15, 2007
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5386306A | Active matrix liquid crystal display element and projection type active matrix liquid crystal display device | Physics | 156 | Expired |
| US5587816A | LCD device including an illumination device having a polarized light separating sheet between a light guide and the display | Physics | 141 | Expired |
| US4818070A | Liquid crystal optical device using U.V.-cured polymer dispersions and process for its production | Emerging Cross-Sectional Technologies | 81 | Expired |
| US4834509A | Liquid crystal optical device and process for its production and method for its operation | Physics | 58 | Expired |
| US5235445A | Liquid crystal optical element with liquid crystal in polymer matrix with particular modulus of elasticity | Physics | 56 | Expired |
| US5206746A | Transparent-scattering type optical device including a prism with a triangular longitudinal cross section | Physics | 55 | Expired |
| US4126588A | Fluorinated cation exchange membrane and use thereof in electrolysis of alkali metal halide | Chemistry; Metallurgy | 46 | Expired |
| US5245449A | Polymer dispersed liquid crystal color projection display apparatus | Electricity | 37 | Expired |
| US4218542A | Cation exchange membrane of fluorinated polymer containing polytetrafluoroethylene fibrils for electrolysis and preparation thereof | Emerging Cross-Sectional Technologies | 32 | Expired |
| US5216531A | Projection type active matrix polymer dispersed liquid crystal display apparatus with particles of liquid crystal material randomly oriented | Physics | 27 | Expired |
| USRE37377E | LCD device including an illumination device having a polarized light separating sheet between a light guide and the display | General | 24 | Expired |
| US5103327A | Active matrix liquid crystal display element and a projection type active matrix liquid crystal display apparatus | Physics | 23 | Expired |
| US3947351A | Acid diffusion-dialysis process utilizing anion exchange membrane of 4-55 micron thickness | Chemistry; Metallurgy | 23 | Expired |
| US4764619A | Optically active compounds, smectic liquid crystal compositions containing them and smectic liquid crystal display devices | Chemistry; Metallurgy | 20 | Expired |
| US5196952A | Liquid crystal display element and a projection type liquid crystal display apparatus | Physics | 19 | Expired |
| US4255523A | Cation exchange membrane of fluorinated polymer for electrolysis and preparation thereof | Emerging Cross-Sectional Technologies | 19 | Expired |
| US5264953A | Liquid crystal display apparatus for providing a gray scale and a projection type liquid crystal display apparatus | Physics | 19 | Expired |
| US4514044A | 1-(Trans-4-alkylcyclohexyl)-2-(trans-4'-(p-substituted phenyl) cyclohexyl)ethane and liquid crystal mixture | Chemistry; Metallurgy | 18 | Expired |
| US6118586A | Optical head device including an optically anisotropic diffraction grating and production method thereof | Physics | 18 | Expired |
| USRE38305E1 | LCD device including an illumination device having a polarized light separating sheet between a light guide and the display | General | 15 | Expired |
| US5274480A | Projection type display apparatus having an aperture stop means including non-circular openings | Electricity | 14 | Expired |
| US4318785A | Method of bonding cation exchange membrane of fluorinated polymer | Emerging Cross-Sectional Technologies | 13 | Expired |
| US6180028A | Liquid-crystal composition and polymeric liquid crystal obtained by polymerizing the same | Chemistry; Metallurgy | 11 | Expired |
| US5379137A | Liquid crystal display element and a projection type liquid crystal display apparatus | Physics | 11 | Expired |
| US6271966A | Optical head device including an optically anisotropic diffraction grating and process for its production | Physics | 9 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.