Kazuhisa Sudo
52Patents
19h-index
87Co-inventors
83Inventor score
Filing activity: Jul 30, 1993 → Aug 27, 2010
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6337957B1 | Image forming apparatus and developing device with improved self toner density control | Physics | 118 | Expired |
| US6393241B1 | Nozzle having an end portion capable of penetrating into a toner discharging portion included in a toner container that stores powdery toner | Performing Operations; Transporting | 111 | Expired |
| US7212773B2 | Image forming apparatus | Physics | 99 | Expired |
| US6628908B2 | Toner supply unit and image forming apparatus | Emerging Cross-Sectional Technologies | 93 | Expired |
| US6522855B1 | Image forming apparatus and developing apparatus preventing uneven image density | Physics | 91 | Expired |
| US6665508B2 | Toner container and image forming apparatus using the same | Emerging Cross-Sectional Technologies | 84 | Expired |
| US6591077B2 | Image forming apparatus and toner container therefor | Physics | 82 | Expired |
| US6826381B2 | Image formation device and agent supplying device including absorber conveying by negative pressure | Physics | 68 | Expired |
| US6501913B2 | Container, its support structure, and image formation apparatus | Physics | 66 | Expired |
| US5394231A | Image forming apparatus capable of forming an erasable image | Physics | 65 | Expired |
| US5592267A | Image forming apparatus using fresh toner and used toner | Physics | 51 | Expired |
| US5638158A | Image formation apparatus | Physics | 49 | Expired |
| US7184691B2 | Toner container, toner supply device and image forming apparatus | Physics | 45 | Expired |
| US6775503B2 | Image forming apparatus with improved capabilities for toner supply | Physics | 42 | Expired |
| US7577379B2 | Toner container, toner supply device and image forming apparatus | Physics | 26 | Active |
| US6813460B2 | Toner container and image forming apparatus using the same | Emerging Cross-Sectional Technologies | 26 | Expired |
| US7130567B2 | Toner container and image forming apparatus using the same | Emerging Cross-Sectional Technologies | 23 | Expired |
| US7043182B2 | Developer regulating member, developing device, electrophotographic image forming process cartridge, and image forming apparatus including the developer regulating member | Physics | 20 | Expired |
| US7130558B2 | Toner supply unit and image forming apparatus | Emerging Cross-Sectional Technologies | 20 | Expired |
| US7962069B2 | Toner container, image forming apparatus, method of recycling toner container | Physics | 19 | Active |
| US7209687B2 | Toner container and image forming apparatus using the same | Emerging Cross-Sectional Technologies | 16 | Expired |
| US7110704B2 | Toner container and image forming apparatus using the same | Emerging Cross-Sectional Technologies | 14 | Expired |
| US7158742B2 | Toner container and image forming apparatus using the same | Emerging Cross-Sectional Technologies | 13 | Expired |
| US7272342B2 | Image forming apparatus having a detachable cartridge including a photoconductive drum with axis shaft having a minimal rotational eccentricity, and a method of assembling the image forming apparatus | Physics | 13 | Active |
| US7209689B2 | Toner supply unit and image forming apparatus | Emerging Cross-Sectional Technologies | 12 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.