Ryuichi Oka
5Patents
3h-index
5Co-inventors
50Inventor score
Filing activity: Mar 18, 1987 → Aug 28, 2017
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5838839A | Image recognition method | Physics | 19 | Expired |
| US4975962A | Phoneme labelling of frame by accumulating evidence obtained from spotting results of microscopic units | Physics | 11 | Expired |
| US5799275A | Speech recognizing device and method assuming a current frame is an end point of a current reference pattern | Physics | 5 | Expired |
| US10803609B2 | Image distance calculator and computer-readable, non-transitory storage medium storing image distance calculation program | Physics | 2 | Active |
| US9606756B2 | Printing apparatus and control method | Physics | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.