Yusuke Niikawa
18Patents
4h-index
11Co-inventors
53Inventor score
Filing activity: Jun 7, 2010 → Jun 14, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US9791825B2 | Cartridge and drum unit for electrophotographic image forming apparatus | Physics | 10 | Active |
| US10203652B2 | Cartridge and drum unit for electrophotographic image forming apparatus | Physics | 9 | Active |
| US10671015B2 | Cartridge and drum unit for electrophotographic image forming apparatus | Physics | 8 | Active |
| US11199807B2 | Cartridge and drum unit for electrophotographic image forming apparatus | Physics | 6 | Active |
| US9083831B2 | Image forming apparatus | Electricity | 4 | Active |
| US8521059B2 | Apparatus transportable in a cartridge-mounted state for electrophotography image forming | Physics | 2 | Active |
| US8744305B2 | Image forming apparatus with latch for openable cover | Physics | 2 | Active |
| US9342040B2 | Image forming apparatus and cartridge | Physics | 1 | Active |
| US10107362B2 | Drive transmission mechanism and image forming apparatus | Physics | 1 | Active |
| US11175620B2 | Image forming apparatus | Physics | 1 | Active |
| US11579561B2 | Cartridge and drum unit for electrophotographic image forming apparatus | Physics | 1 | Active |
| US11550254B2 | Image forming apparatus | Physics | 0 | Active |
| US11119436B2 | Driving device and image forming apparatus | Physics | 0 | Active |
| US11204576B2 | Driving apparatus and image forming apparatus with improved drive output member maintainability | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US11199803B2 | Driving device, image forming device, and method of manufacturing driving device | Physics | 0 | Active |
| US12066786B2 | Cartridge and drum unit for electrophotographic image forming apparatus | Physics | 0 | Active |
| US12130579B2 | Cartridge and drum unit for electrophotographic image forming apparatus | Physics | 0 | Active |
| US12006174B2 | Sheet conveyance apparatus and image forming apparatus | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.