Kazuhiro Funatani
66Patents
8h-index
43Co-inventors
78Inventor score
Filing activity: Oct 30, 1997 → Apr 10, 2024
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6477348B2 | Image forming apparatus | Physics | 23 | Expired |
| US6477339B1 | Image forming apparatus with current detector and voltage control based on detection result | Physics | 21 | Expired |
| US6473574B1 | Image forming apparatus with plural transfer means and selecting mechanism for selecting from among a plurality of image bearing members | Physics | 18 | Expired |
| US5946538A | Image forming apparatus | Physics | 17 | Expired |
| US6175702A | Color image forming apparatus which prevents the scatter of color characters and lines | Physics | 17 | Expired |
| US6226465A | Image forming apparatus with relative speed differential between intermediate transfer member and image bearing member | Physics | 9 | Expired |
| US9341988B2 | Image forming apparatus | Physics | 9 | Active |
| US11397400B2 | Image forming apparatus with developer collection | Physics | 8 | Active |
| US9599935B2 | Image forming apparatus with cleaning using cleaning member and charging member | Physics | 8 | Active |
| US9086671B2 | Image forming apparatus including cleaning unit for removing developing material | Physics | 7 | Active |
| US6775489B2 | Image forming apparatus capable of detecting density of toner image | Physics | 7 | Expired |
| US8175474B2 | Image forming apparatus with dynamic characteristic calculation | Physics | 5 | Active |
| US9665043B2 | Image forming apparatus utilizing adjustment toner image | Physics | 5 | Active |
| US8185003B2 | Image forming apparatus and control method thereof featuring image member surface data detection | Physics | 5 | Active |
| US6799001B2 | Process cartridge detachably mountable to an image forming apparatus and image forming apparatus including image control means for adjusting an image on a transferring material | Physics | 5 | Expired |
| US10539907B2 | Image forming apparatus and image forming method | Physics | 5 | Active |
| US11526116B2 | Image forming apparatus with collection | Physics | 5 | Active |
| US8369726B2 | Image forming apparatus | Physics | 4 | Active |
| US8565627B2 | Image forming apparatus and control method thereof | Physics | 3 | Active |
| US6512898B2 | Image forming apparatus for detecting the density of toner | Physics | 3 | Expired |
| US8103182B2 | Image forming apparatus taht includes a transfer member that can be separated from an inner circumferential surface of a transfer belt when belt is rotating | Physics | 3 | Active |
| US7027748B2 | Image forming apparatus and density detection pattern forming method therein | Physics | 2 | Expired |
| US11262683B2 | Image forming apparatus having a toner replenishment operation | Physics | 2 | Active |
| US11720046B2 | Image forming apparatus with developer collection | Physics | 2 | Active |
| US9025209B2 | Image forming apparatus including removal unit for removing developer | Physics | 2 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.