Hideaki Ueda
117Patents
15h-index
68Co-inventors
89Inventor score
Filing activity: Jul 6, 1984 → Oct 27, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4786571A | Photosensitive member with hydrazone charge transport material | Physics | 67 | Expired |
| US6468676B1 | Organic electroluminescent display element, finder screen display device, finder and optical device | Emerging Cross-Sectional Technologies | 61 | Expired |
| US5376169A | Recording solution for ink jetting | Chemistry; Metallurgy | 47 | Expired |
| US5077164A | Photosensitive member containing an azo dye | Physics | 42 | Expired |
| US6558817B1 | Organic electroluminescent element | Emerging Cross-Sectional Technologies | 39 | Expired |
| US6414666B1 | Liquid crystal display device and method of driving a liquid crystal display element | Physics | 34 | Expired |
| US4821685A | Suction device of engine | Emerging Cross-Sectional Technologies | 32 | Expired |
| US4783387A | Photosensitive member comprising disazo pigment | Chemistry; Metallurgy | 26 | Expired |
| US4865934A | Fuction divided photosensitive member | Physics | 26 | Expired |
| US5205244A | Air intake system for fuel injection type motorcycle engine | Mechanical Engineering; Lighting; Heating | 25 | Expired |
| US6395409B2 | Organic electroluminescent element | Electricity | 18 | Expired |
| US4769302A | Photosensitive member incorporating styryl compound | Physics | 18 | Expired |
| US6580481B2 | Information recording/displaying card | Physics | 18 | Expired |
| US6060826A | Organic electroluminescent element having an excimer light irradiated positive electrode and method of manufacturing the same | Electricity | 16 | Expired |
| US4800144A | Laminated type photosensitive member for electrophotography comprising a substrate of aluminate | Physics | 15 | Expired |
| US5815602A | DCT image compression and motion compensation using the hadamard transform | Physics | 15 | Expired |
| US4956255A | Photosensitive member | Physics | 15 | Expired |
| US5293776A | Cylinder discriminating sensor layout | Physics | 13 | Expired |
| US6180217A | Organic electroluminescent element | Emerging Cross-Sectional Technologies | 13 | Expired |
| US6066712A | Styryl polymer, production method and use thereof | Chemistry; Metallurgy | 13 | Expired |
| US5380613A | Photosensitive member comprising electronattracting compound and hindered phenol compound | Emerging Cross-Sectional Technologies | 13 | Expired |
| US6626155B1 | Fuel pump, fuel tank arrangement for engine | Performing Operations; Transporting | 12 | Expired |
| US5186140A | Air intake system for fuel injection type four cycle engine | Emerging Cross-Sectional Technologies | 12 | Expired |
| US6809473B2 | Organic electro-luminescence display element, finder screen display device, finder and optical device | Emerging Cross-Sectional Technologies | 11 | Expired |
| US4971874A | Photosensitive member with a styryl charge transporting material | Physics | 11 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.