Fumio Ueda
14Patents
8h-index
24Co-inventors
72Inventor score
Filing activity: Oct 21, 1975 → Dec 14, 2005
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4493714A | Ultrathin film, process for production thereof, and use thereof for concentrating a specified gas in a gaseous mixture | Chemistry; Metallurgy | 120 | Expired |
| US4360434A | Amphoteric ion-permeable composite membrane | Emerging Cross-Sectional Technologies | 53 | Expired |
| US7127259B2 | Intermediation computer system | Electricity | 34 | Expired |
| US4518959A | Electronic analog display device | Physics | 27 | Expired |
| US4519679A | Liquid crystal display device | Physics | 14 | Expired |
| US7472099B2 | Forecasting apparatus | Physics | 14 | Expired |
| US7003288B2 | Mobile communication terminal | Electricity | 13 | Expired |
| US6297770A | Global positioning system and global positioning method with improved sensitivity by detecting navigation data inversion boundaries | Physics | 13 | Expired |
| US6145382A | Method and apparatus for measuring the damping characteristics of a friction member | Emerging Cross-Sectional Technologies | 8 | Expired |
| US6437736B1 | Global positioning method, terminal, and system | Physics | 6 | Expired |
| US4044345A | Method for addressing X-Y matrix display cells | Physics | 6 | Expired |
| US7164924B2 | Location-based information and acquisition method | Electricity | 5 | Expired |
| US4436062A | Rocker arm mechanism in overhead cam type engine | Mechanical Engineering; Lighting; Heating | 3 | Expired |
| US7764227B2 | Positioning apparatus | Physics | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.