Hiroshi Hara
173Patents
25h-index
182Co-inventors
93Inventor score
Filing activity: May 23, 1975 → Jul 27, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5212368A | Toy apparatus with card reader unit and a card having game parameter data | Physics | 133 | Expired |
| US4472038A | Photographic camera | Physics | 86 | Expired |
| US4245018A | Method for stabilizing organic substrate materials including photographic dye images to light and a color diffusion transfer material | Physics | 68 | Expired |
| US4239843A | Method of stabilizing organic substrates against the action of light | Emerging Cross-Sectional Technologies | 66 | Expired |
| US4242430A | Method for stabilizing organic substrate materials including photographic dye images against light | Physics | 62 | Expired |
| US6617056B1 | Transparent conductive laminate, its manufacturing method, and display comprising transparent conductive laminate | Emerging Cross-Sectional Technologies | 62 | Expired |
| US4241155A | Method for stabilizing organic substrates including photographic dye images against light | Emerging Cross-Sectional Technologies | 58 | Expired |
| US4271253A | Method for stabilizing organic substrate materials including photographic dye images to light and photographic material so stabilized | Emerging Cross-Sectional Technologies | 58 | Expired |
| US4500626A | Heat-developable color photographic material | Physics | 57 | Expired |
| US4271252A | Method of stabilizing organic substrate materials including photographic dye images to light and a photographic material so stabilized | Emerging Cross-Sectional Technologies | 57 | Expired |
| US4246330A | Stabilization of organic substrate materials including photographic dye images against the action of light | Emerging Cross-Sectional Technologies | 57 | Expired |
| US4254195A | Stabilization of organic substrate materials including photographic dye images against the action of light | Emerging Cross-Sectional Technologies | 57 | Expired |
| US4256817A | Method of stabilizing organic substrate materials including photographic dye images to light and a photographic material so stabilized | Emerging Cross-Sectional Technologies | 57 | Expired |
| US4268605A | Stabilization of organic substrate materials including photographic dye images against the action of light | Emerging Cross-Sectional Technologies | 57 | Expired |
| US4248949A | Method for stabilizing organic substrate materials including photographic dye images against the action of light and a photographic material so stabilized | Physics | 57 | Expired |
| US4269926A | Stabilization of organic substrate materials including photographic dye images against the action of light | Emerging Cross-Sectional Technologies | 55 | Expired |
| US4301223A | Method of stabilizing organic substrate materials to light | Emerging Cross-Sectional Technologies | 50 | Expired |
| US4242431A | Method for stabilizing organic substrate materials including photographic dye images to light and a photographic material so stabilized | Emerging Cross-Sectional Technologies | 44 | Expired |
| US4430415A | Heat-developable photographic material with fine droplets containing silver halide, organic silver salt oxidizing agent and color image forming substance | Physics | 42 | Expired |
| US4855774A | Lens-fitted photographic film package | Physics | 37 | Expired |
| US4483914A | Heat-developable color photographic material | Physics | 37 | Expired |
| US5577021A | Optical and magnetooptical recording medium having a low thermal conductivity dielectric layer | Physics | 33 | Expired |
| US4463079A | Heat developable color photographic materials with redox dye releasers | Physics | 30 | Expired |
| US4401385A | Image forming apparatus incorporating therein ozone filtering mechanism | Physics | 28 | Expired |
| US6689458B1 | Transparent conductive laminate and touch panel using the same | Emerging Cross-Sectional Technologies | 26 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.