Hae-seog Jo
23Patents
6h-index
34Co-inventors
69Inventor score
Filing activity: Feb 17, 1995 → Dec 28, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD538850S1 | Container for toner of printer | General | 44 | Expired |
| US5587770A | Device for detecting remaining level of toner | Physics | 33 | Expired |
| US5659837A | Developing device for use in image forming apparatus | Physics | 20 | Expired |
| US6523263B2 | Charge roller of developing device for image forming apparatus, method for fabricating the same and tool for fabricating charge roller | Emerging Cross-Sectional Technologies | 9 | Expired |
| US7376373B2 | Image forming apparatus having a power transmitting device to selectively operate developing units thereof | Physics | 9 | Active |
| US6942607B2 | Charge roller of developing device for image forming apparatus | Emerging Cross-Sectional Technologies | 7 | Expired |
| US7970292B2 | Consumable unit and image forming apparatus including memory storing consumable item information | Physics | 6 | Active |
| US10201985B2 | Dryer for inkjet image forming apparatus and image forming system having the same | Performing Operations; Transporting | 5 | Active |
| US7226282B2 | Charge roller of developing device for image forming apparatus, method for fabricating the same and tool for fabricating charge roller | Emerging Cross-Sectional Technologies | 5 | Expired |
| US7946575B2 | Medium feeding unit and image forming apparatus having the same | Performing Operations; Transporting | 4 | Active |
| US5995792A | Developing roll device of an electrophotographic processor for preventing frictional erosion of the developing roll in surface portions thereof | Physics | 4 | Expired |
| US7474869B2 | Fixing unit having a bracket supporting pressure rollers and a paper guide and image-forming apparatus having the same | Physics | 2 | Active |
| US8090274B2 | Consumable unit and method of managing consumable unit including memory storing consumable item information | Physics | 2 | Active |
| US7542714B2 | Used toner collecting device and an image forming apparatus having the same | Physics | 1 | Active |
| US7542700B2 | Image forming process module having a detachable waste developer storage tank and image forming apparatus having the same | Physics | 1 | Active |
| US8391729B2 | Unit installable in apparatus including a consumable container and a chip and method of managing the same | Physics | 1 | Active |
| US8238805B2 | Image forming apparatus and auto color registration method thereof | Physics | 1 | Active |
| US10118788B2 | Print medium finishing apparatus, image forming system, and moving structure employed therein | Performing Operations; Transporting | 0 | Active |
| US8521072B2 | Image forming apparatus and color registration method thereof | Physics | 0 | Active |
| US8027595B2 | Method and apparatus to store information on amount of toner used, and image forming device using the same | Physics | 0 | Active |
| US10836185B2 | Dryer for inkjet image forming apparatus and image forming system having the same | Performing Operations; Transporting | 0 | Active |
| US8630571B2 | Reduced thickness fixing unit to reduce deformation or fatigue failure | Physics | 0 | Active |
| US7925194B2 | Developing unit and image forming apparatus using the same | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.