Nachio Seko
7Patents
7h-index
24Co-inventors
55Inventor score
Filing activity: Jul 3, 1974 → Apr 6, 1981
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4583834A | Copying apparatus | Physics | 149 | Expired |
| US4167322A | Electrostatic copying system having monitoring devices | Physics | 76 | Expired |
| US4640608A | Cleaning method for use in electrophotography | Physics | 35 | Expired |
| US4256401A | Image density adjustment method and apparatus | Physics | 30 | Expired |
| US4203663A | Computer controlled electrostatic copying machine | Physics | 20 | Expired |
| US3992089A | Reader-printer apparatus with multiple supply rolls and charging devices | Physics | 11 | Expired |
| US3977778A | Electrophotographic apparatus | Physics | 8 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.