Average Co-Inventor Count = 3.69
ph-index = 3
The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.
Company Filing History:
1. Ricoh Company, Ltd. (23 from 28,438 patents)
23 patents:
1. 12429809 - Cleaning blade, method of manufacturing the same, process cartridge, and image forming apparatus
2. 12189323 - Cleaning blade, image forming apparatus, and process cartridge
3. 12153372 - Cleaning blade, lubricant leveling blade, process cartridge, and image forming apparatus
4. 12001162 - Cleaning blade for intermediate transfer medium, and image forming apparatus
5. 11561498 - Cleaning blade, process cartridge, and image forming apparatus
6. 10859963 - Image forming apparatus, image forming method, and process cartridge
7. 10802412 - Image forming apparatus and image forming method
8. 10191439 - Cleaning blade, process cartridge, and image forming apparatus
9. 10146169 - Cleaning blade, process cartridge, and image forming apparatus
10. 10001731 - Composition for seamless belt, and image forming apparatus using the belt
11. 9983505 - Developing roller, process cartridge, image forming apparatus and image forming method
12. 9921526 - Semiconductive resin composition, member for electrophotography and image forming apparatus
13. 9891558 - Semiconductive resin composition, member for electrophotography and image forming apparatus
14. 9851682 - Cleaning blade including modified portion including impregnated portion and surface layer, and process cartridge and image forming apparatus including the cleaning blade
15. 9851656 - Developing roller, toner and image forming apparatus