Yasuo Okuma
4Patents
4h-index
9Co-inventors
36Inventor score
Filing activity: Feb 18, 1982 → Aug 22, 1985
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4511970A | Portable terminal device | Physics | 67 | Expired |
| US4482802A | Transaction handling system | Physics | 58 | Expired |
| US4525712A | Transaction processing system | Physics | 14 | Expired |
| US4734859A | Method and apparatus for handling transaction slips including illegible characters | Physics | 7 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.