Koji Nihonyanagi
30Patents
11h-index
47Co-inventors
75Inventor score
Filing activity: Oct 4, 2002 → Feb 23, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7251447B2 | Image heating apparatus and conveying roller for use therein | Physics | 31 | Expired |
| US7215899B2 | Image forming apparatus having temperature sensing element for sensing temperature of recording material | Physics | 27 | Expired |
| US6763205B2 | Image heating apparatus with heater in form of a plate cooperable with a rotatable member to form a heating nip | Physics | 27 | Expired |
| US7518089B2 | Image heating apparatus including flexible metallic sleeve, and heater used for this apparatus | Physics | 21 | Expired |
| US7280775B2 | Image-forming apparatus and recording-medium-temperature detector unit used in the same | Physics | 18 | Expired |
| US7190914B2 | Image heating apparatus having heater for externally heating fixing roller | Physics | 17 | Expired |
| US8653422B2 | Heater, image heating device with the heater and image forming apparatus therein | Electricity | 14 | Active |
| US6965742B2 | Image forming apparatus | Physics | 13 | Expired |
| US8483603B2 | Image heating apparatus and heating belt for use in the image heating apparatus | Physics | 13 | Active |
| US8698046B2 | Heater and image heating apparatus including same | Physics | 13 | Active |
| US7155136B2 | Image heating apparatus having heater for externally heating fixing roller | Physics | 11 | Expired |
| US9098035B2 | Fixing device and heater used in fixing device | Electricity | 8 | Active |
| US8971744B2 | Image heating apparatus | Electricity | 8 | Active |
| US9494899B2 | Fixing device and heater used in fixing device | Electricity | 7 | Active |
| US6952538B2 | Image forming apparatus with heater having bias applying portion setting bias based on sheet width | Physics | 7 | Expired |
| US8942589B2 | Fixing apparatus | Physics | 6 | Active |
| US8755706B2 | Image forming apparatus | Physics | 4 | Active |
| US8965239B2 | Heat fixing device having cooling fan and pressing roller with heat conductive filler | Physics | 3 | Active |
| US10416598B2 | Image heating apparatus and heater for use therein | Electricity | 3 | Active |
| US6859631B2 | Image forming apparatus and image forming method | Physics | 3 | Expired |
| US7298985B2 | Image-forming apparatus and image-forming method | Physics | 2 | Expired |
| US7187878B2 | Image forming apparatus and its control method | Physics | 2 | Expired |
| US9086663B2 | Heater, image heating device with the heater and image forming apparatus therein | Electricity | 2 | Active |
| US9081345B2 | Image forming apparatus | Physics | 1 | Active |
| US11378902B2 | Image heating apparatus and heater for use therein | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.