Hiroshi Takada
80Patents
16h-index
120Co-inventors
87Inventor score
Filing activity: Dec 22, 1975 → Dec 22, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5546578A | Data base retrieval system utilizing stored vicinity feature values | Emerging Cross-Sectional Technologies | 131 | Expired |
| US8492881B2 | Magnetic storage device | Electricity | 96 | Active |
| US5728991A | Plasma arc welding apparatus and welding method using the same | Performing Operations; Transporting | 89 | Expired |
| US5818761A | Non-volatile semiconductor memory device capable of high speed programming/erasure | Physics | 69 | Expired |
| US4024721A | Method and apparatus for laying pipes in the ground | Fixed Constructions | 32 | Expired |
| US8198796B2 | Transparent electrode and production method of same | Emerging Cross-Sectional Technologies | 30 | Active |
| US8052773B2 | Manufacturing method of metal nanowire | Emerging Cross-Sectional Technologies | 27 | Active |
| US4926368A | Electronic apparatus with currency conversion function | Physics | 26 | Expired |
| US4026371A | Pilot head for laying pipes in the ground | Fixed Constructions | 24 | Expired |
| US6064301A | Roadway deviation prevention system | Physics | 22 | Expired |
| US4651687A | Automatic compression releasing device for four-cycle engine | Mechanical Engineering; Lighting; Heating | 20 | Expired |
| US4020641A | Method of laying pipes in the ground | Fixed Constructions | 19 | Expired |
| US5136505A | Electronic translator apparatus for translating words or phrases and auxiliary information related to the words or phrases | Physics | 19 | Expired |
| US4177174A | Epoxy resin composition cured by reaction product of phenol carboxylic acids with polyamino compounds | Chemistry; Metallurgy | 18 | Expired |
| US5450580A | Data base retrieval system utilizing stored vicinity feature valves | Emerging Cross-Sectional Technologies | 18 | Expired |
| US8378674B2 | Magnetic field detection device | Physics | 17 | Active |
| USD962263S1 | Display screen with animated graphical user interface | General | 14 | Active |
| US4219587A | Process for producing pigment-coated phosphors | Emerging Cross-Sectional Technologies | 14 | Expired |
| US5225319A | Light-sensitive silver halide photographic material | Physics | 13 | Expired |
| US5542888A | Automatic transmission control system with variable pressure discharge | Mechanical Engineering; Lighting; Heating | 11 | Expired |
| US5273871A | Silver halide photographic emulsion and silver halide color photographic light-sensitive material incorporating it | Physics | 11 | Expired |
| US6328840A | Process for adhering vulcanized rubbers and process for producing rubber products using said process for adhering | Emerging Cross-Sectional Technologies | 10 | Expired |
| US5173398A | Silver halide color photographic light-sensitive material | Physics | 10 | Expired |
| US5357474A | Dynamic random access memory device having precharge circuit for intermittently and selectively charging data line pairs | Physics | 10 | Expired |
| US4067838A | Chelate-forming aqueous resin composition | Chemistry; Metallurgy | 9 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.