Osamu Anan
56Patents
12h-index
39Co-inventors
80Inventor score
Filing activity: Jun 14, 2004 → Jun 8, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8577252B2 | Process cartridge and disassembling method of the process cartridge | Physics | 75 | Active |
| US7099607B2 | Cartridge, and toner container | Emerging Cross-Sectional Technologies | 39 | Expired |
| US7720412B2 | Process cartridge | Physics | 38 | Active |
| USD631088S1 | Process cartridge | General | 29 | Expired |
| US7366439B2 | Method of remanufacturing cartridge and remanufactured cartridge | Physics | 27 | Expired |
| USD631090S1 | Process cartridge | General | 26 | Expired |
| USD633137S1 | Process cartridge | General | 25 | Expired |
| USD631089S1 | Process cartridge | General | 24 | Expired |
| USD631091S1 | Process cartridge | General | 23 | Expired |
| US9188945B2 | Cartridge and image forming apparatus | Physics | 15 | Active |
| US8095036B2 | Process cartridge | Physics | 13 | Active |
| US8494409B2 | Process cartridge and image forming apparatus | Physics | 12 | Active |
| US9417604B2 | Image forming apparatus | Physics | 11 | Active |
| US8160477B2 | Process cartridge and image forming apparatus | Physics | 9 | Active |
| US9285765B2 | Developer supply cartridge with shutter portion for opening and closing a supply opening | Physics | 8 | Active |
| US9471031B2 | Image forming apparatus with separate support members for removable cartridges | Physics | 7 | Active |
| US9442457B2 | Image forming apparatus with removable process units | Physics | 7 | Active |
| US9342047B2 | Movement limiting apparatus for image forming apparatus process cartridge | Physics | 7 | Active |
| US10156825B2 | Developing apparatus with independently rotatable members supporting a developing frame body, process cartridge, and image forming apparatus | Physics | 6 | Active |
| US9996052B2 | Cartridge capable of being inserted in an apparatus main body of an image forming apparatus | Physics | 5 | Active |
| US10067461B2 | Developing cartridge with a restricted portion that contacts a restricting portion of an image forming apparatus | Physics | 4 | Active |
| US10281873B2 | Developing device, process cartridge, and image forming apparatus | Physics | 3 | Active |
| US10613469B2 | Developing apparatus, process cartridge, and image forming apparatus | Physics | 2 | Active |
| US7580659B2 | Developing device and image forming apparatus | Physics | 2 | Active |
| US9377752B2 | Image forming apparatus with image bearing member protection | Physics | 2 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.