Ichitaro Kubota
22Patents
7h-index
31Co-inventors
65Inventor score
Filing activity: Nov 2, 2000 → Feb 8, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8123209B2 | Sheet collecting method, sheet correcting apparatus, post-processing apparatus, and image formation system | Physics | 24 | Active |
| US6648320B2 | Document feeder and image reading apparatus | Physics | 23 | Expired |
| US6888650B1 | Apparatus and method for reading document | Electricity | 14 | Expired |
| US7975999B2 | Sheet post-processing apparatus and image forming system comprising the same | Physics | 12 | Active |
| US7871065B2 | Sheet feeding device and post-processing apparatus and image forming system comprising the same | Physics | 9 | Active |
| US8172214B2 | Sheet collecting apparatus, post processing apparatus and image formation system | Performing Operations; Transporting | 8 | Active |
| US7832718B2 | Sheet post processing apparatus and image forming system | Performing Operations; Transporting | 7 | Active |
| US8028980B2 | Sheet folding device and post-processing apparatus and image forming system comprising the same | Physics | 7 | Active |
| US10828925B2 | Image forming system | Performing Operations; Transporting | 6 | Active |
| US8480078B2 | Sheet collecting apparatus and image formation system provided with the apparatus | Performing Operations; Transporting | 5 | Active |
| US7946563B2 | Sheet post-processing apparatus and image forming system comprising the same | Physics | 4 | Active |
| US8393616B2 | Sheet collecting apparatus and image formation system provided with the apparatus | Performing Operations; Transporting | 4 | Active |
| US9517652B2 | Sheet post-processing device and image forming device provided with the sheet post-processing device | Physics | 3 | Active |
| US9352604B2 | Sheet processing device and image forming device provided with the sheet processing device | Physics | 2 | Active |
| US9417589B2 | Sheet punching device, sheet processing device provided with the same, and image forming device | Physics | 2 | Active |
| US9428362B2 | Sheet post-processing device, paper-made staple used in the device, and image forming device provided with the sheet post-processing device | Performing Operations; Transporting | 1 | Active |
| US10800631B2 | Sheet stacking apparatus and image forming system | Physics | 1 | Active |
| US7467794B2 | Sheet conveyance problem release mechanism and sheet stacking apparatus | Performing Operations; Transporting | 1 | Active |
| US10160249B2 | Sheet post-processing device and image forming device provided with the sheet post-processing device | Physics | 0 | Active |
| US7411706B2 | Original feeding apparatus and image reading apparatus | Electricity | 0 | Active |
| US10023422B2 | Sheet processing device and image forming device provided with the sheet processing device | Physics | 0 | Active |
| US10000355B2 | Sheet processing device and image forming device provided with the sheet processing device | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.