Tomio Noguchi
54Patents
20h-index
43Co-inventors
88Inventor score
Filing activity: Jun 24, 1994 → Mar 8, 2024
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7567769B2 | Electrophotographic color image forming apparatus | Physics | 74 | Active |
| US7486907B2 | Electrophotographic image forming apparatus including a tray for carrying a process cartridge | Physics | 59 | Active |
| US7715746B2 | Process cartridge having electrical contact and image forming apparatus having electrical contact in urging member | Physics | 56 | Active |
| US9429906B2 | Image forming apparatus including a movable engageable member and process cartridge including a force receiving portion | Physics | 52 | Active |
| US7715752B2 | Electrophotographic image forming apparatus with image bearing member contacting and being spaced from transfer member transferring a toner image from the member thereonto | Physics | 47 | Active |
| US8145095B2 | Electrophotographic image forming apparatus with movable tray for supporting a cartridge | Physics | 47 | Active |
| US8301054B2 | Process cartridge and image forming apparatus | Physics | 44 | Active |
| US7894733B2 | Process cartridge and image forming apparatus | Physics | 41 | Active |
| US7953340B2 | Process cartridge having electrical contact and image forming apparatus having electrical contact in urging member | Physics | 41 | Active |
| US7660549B2 | Electrophotographic image forming apparatus | Physics | 39 | Active |
| US7761024B2 | Electrophotographic color image forming apparatus carrying process cartridge on a movable member | Physics | 38 | Active |
| US5579098A | Image forming apparatus with removeable fixing unit | Physics | 32 | Expired |
| US9836020B2 | Process cartridge with force receiving portion configured to receive a force to move a developing roller | Physics | 32 | Active |
| US7907866B2 | Color electrophotographic image forming carrying process cartridges on a movable member movable in a direction crossing a longitudinal direction of a photosensitive drum of the cartridges | Physics | 30 | Active |
| US7937020B2 | Electrophotographic image forming apparatus | Physics | 27 | Active |
| US10168664B2 | Process cartridge including protrusion to receive a force for moving a developer roller | Physics | 27 | Active |
| USD489752S1 | Image forming apparatus | General | 24 | Expired |
| US8442412B2 | Electrophotographic color image forming apparatus carrying process cartridges on a movable member | Physics | 22 | Active |
| US8175487B2 | Electrophotographic color image forming apparatus carrying process cartridges on a movable member | Physics | 21 | Active |
| US9002230B2 | Electrophotographic color image forming apparatus with movable cartridge carrying member and associated electrical contacts | Physics | 20 | Active |
| US8862014B2 | Electrophotographic color image forming apparatus with movable member for supporting a cartridge | Physics | 20 | Active |
| US8843023B2 | Electrophotographic image forming apparatus with cartridge mounting tray and member regulating movement of the tray | Physics | 19 | Active |
| US8463157B2 | Electrophotographic image forming apparatus with movable tray for mounting cartridges | Physics | 19 | Active |
| US8010014B2 | Color electrophotographic image forming apparatus having a cartridge supporting member | Physics | 17 | Active |
| US6493534B2 | Sheet conveying apparatus and image forming apparatus | Physics | 15 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.