Ken Oi
8Patents
2h-index
7Co-inventors
40Inventor score
Filing activity: Oct 13, 2010 → Aug 18, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8600259B2 | Image forming apparatus fixing a toner image on recording material with a fixing portion having a fixing sleeve and pressing roller, at least one of which is grounded | Physics | 6 | Active |
| US9069301B2 | Image heating apparatus | Physics | 3 | Active |
| US10928759B2 | Heating apparatus and image forming apparatus for controlling conduction to heat generation member | Physics | 2 | Active |
| US10488794B2 | Image forming apparatus that switches power supply to plurality of heating elements | Physics | 1 | Active |
| US9933734B2 | Fixing apparatus and heater for use in the apparatus | Physics | 0 | Active |
| US10884361B2 | Image forming apparatus that switches power supply to plurality of heating elements | Physics | 0 | Active |
| US11782364B2 | Image forming apparatus with heat fixing device powered by bidirectional thyristor | Physics | 0 | Active |
| US11137708B2 | Energization control device and image forming apparatus | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.