Naoyuki Ohki
30Patents
13h-index
39Co-inventors
77Inventor score
Filing activity: Oct 31, 1985 → Sep 27, 2002
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5293196A | Communication control apparatus for monitoring a condition of a machine and for transmittiing the condition to an external apparatus | Physics | 59 | Expired |
| US5420667A | Communication control apparatus for monitoring a condition of an image forming apparatus and inhibiting transmission of data when a power supply means is turned off | Physics | 50 | Expired |
| US5488454A | Control of equipment and of communication with plural units of equipment | Physics | 42 | Expired |
| US5446522A | Image forming apparatus for forming images in accordance with process steps received from an external device | Physics | 40 | Expired |
| US5359391A | Equipment control apparatus | Physics | 39 | Expired |
| US5752040A | Image processing apparatus which can update program | Physics | 38 | Expired |
| US6112035A | Equipment control apparatus | Physics | 35 | Expired |
| US6064915A | Equipment control apparatus | Physics | 33 | Expired |
| US5493364A | Equipment control apparatus having means to communicate with a centralized control apparatus | Physics | 32 | Expired |
| US4937626A | Image forming apparatus | Physics | 28 | Expired |
| US5640231A | Image forming apparatus and temperature control device for fixing unit for use therewith | Physics | 22 | Expired |
| US4862219A | Copying apparatus | Physics | 14 | Expired |
| US4937624A | Device for storing developing units | Physics | 14 | Expired |
| US5656187A | Image fixing apparatus with power supply control based in part on heating resistor temperature | Physics | 13 | Expired |
| US4743944A | Image processing apparatus with variable magnification | Physics | 12 | Expired |
| US6263173A | Image formation apparatus having selection of different image types for image formation | Electricity | 12 | Expired |
| US5701402A | Image forming apparatus with detachable process unit | Physics | 11 | Expired |
| US4870447A | Copying apparatus | Physics | 11 | Expired |
| US5842079A | Film type fixing device | Physics | 10 | Expired |
| US6505017B2 | Image forming apparatus, control method thereof, image forming method, and storage medium | Electricity | 10 | Expired |
| US7113846B2 | Sheet handling apparatus which inserts insert sheets between recording sheets having image formed thereon, method of controlling same, image forming apparatus and storage medium therefor | Physics | 9 | Expired |
| US6636720B2 | Image forming apparatus, control method thereof, image forming method, and storage medium | Electricity | 9 | Expired |
| US4803520A | Electrophotographic apparatus for making superposed images | Physics | 9 | Expired |
| US4984020A | Copying apparatus having an area designating function | Physics | 9 | Expired |
| US4916489A | Image forming apparatus | Physics | 9 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.