Ko Asai
7Patents
7h-index
12Co-inventors
60Inventor score
Filing activity: Dec 19, 1984 → Feb 28, 2012
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4944021A | Identification system employing verification of fingerprints | Emerging Cross-Sectional Technologies | 95 | Expired |
| US4827527A | Pre-processing system for pre-processing an image signal succession prior to identification | Physics | 63 | Expired |
| US4905293A | Image input device | Human Necessities | 51 | Expired |
| US4872203A | Image input device for processing a fingerprint prior to identification | Physics | 30 | Expired |
| US9034502B2 | Battery installation structure for electric vehicles | Emerging Cross-Sectional Technologies | 29 | Active |
| US4635290A | Sectioning apparatus and method for optical character reader systems | Physics | 20 | Expired |
| US4701959A | Fingerprint input device equipped with a cleaner for finger-impressing surface | Physics | 15 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.