Toitsu Ohya
5Patents
4h-index
7Co-inventors
42Inventor score
Filing activity: Dec 28, 1993 → Dec 10, 1999
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5615280A | Apparatus for recording symbols printed on documents or the like | Physics | 113 | Expired |
| US5420406A | Bill validator with bar code detector | Physics | 98 | Expired |
| US6125195A | Bill validator of master-slave type and method for download of validator | Physics | 7 | Expired |
| US6993758B1 | Method and apparatus for renewing software in a software-operated machine | Physics | 5 | Expired |
| US6874681B1 | Valuable paper distinguishable by a validator for discriminating bills | Performing Operations; Transporting | 4 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.